void
continue_problem (Comm_Ex *cx, /* array of communications structures */
Exo_DB *exo, /* ptr to the finite element mesh database */
Dpi *dpi) /* distributed processing information */
{
int *ija=NULL; /* column pointer array */
double *a=NULL; /* nonzero array */
double *a_old=NULL; /* nonzero array */
double *x=NULL; /* solution vector */
int iAC; /* COUNTER */
double *x_AC = NULL; /* SOLUTION VECTOR OF EXTRA UNKNOWNS */
double *x_AC_old=NULL; /* old SOLUTION VECTOR OF EXTRA UNKNOWNS */
double *x_AC_dot=NULL;
int *ija_attic=NULL; /* storage for external dofs */
int eb_indx, ev_indx;
/*
* variables for path traversal
*/
double *x_old=NULL; /* old solution vector */
double *x_older=NULL; /* older solution vector */
double *x_oldest=NULL; /* oldest solution vector saved */
double *xdot=NULL; /* current path derivative of soln */
double *xdot_old=NULL;
double *x_update=NULL;
double *x_sens=NULL; /* solution sensitivity */
double *x_sens_temp=NULL; /* MMH thinks we need another one, so
* that when the solution is updated
* on a failure, it doesn't use the
* last computed x_sens b/c that might
* be crappy. We should use the last
* known good one... I haven't done
* the same thing with x_sens_p.
*/
double **x_sens_p=NULL; /* solution sensitivity for parameters */
int num_pvector=0; /* number of solution sensitivity vectors */
#ifdef COUPLED_FILL
struct Aztec_Linear_Solver_System *ams[NUM_ALSS]={NULL};
#else /* COUPLED_FILL */
struct Aztec_Linear_Solver_System *ams[NUM_ALSS]={NULL, NULL};
#endif /* COUPLED_FILL */
/* sl_util_structs.h */
double *resid_vector=NULL; /* residual */
double *resid_vector_sens=NULL;/* residual sensitivity */
double *scale=NULL; /* scale vector for modified newton */
int *node_to_fill = NULL;
int n; /* total number of path steps attempted */
int ni; /* total number of nonlinear solves */
int nt; /* total number of successful path steps */
int path_step_reform; /* counter for jacobian reformation stride */
int converged; /* success or failure of Newton iteration */
int success_ds; /* success or failure of path step */
int i, nprint=0, num_total_nodes;
int numProcUnknowns;
int const_delta_s, step_print;
double path_print, i_print;
double path, /* Current value (should have solution here) */
path1; /* New value (would like to get solution here) */
double delta_s, delta_s_new, delta_s_old, delta_s_older, delta_s_oldest;
double delta_t;
double theta=0.0;
double damp;
double eps;
double lambda, lambdaEnd;
double timeValueRead = 0.0;
/*
* ALC management variables
*/
int aldALC, /* direction of continuation, == -1 =>
beginning value is greater than ending value. */
alqALC; /* is -1 when we're on our last step. */
/*
* Other local variables
*/
int error, err, is_steady_state, inewton;
int *gindex = NULL, gsize;
int *p_gsize=NULL;
double *gvec=NULL;
double ***gvec_elem=NULL;
double err_dbl;
FILE *cl_aux=NULL, *file=NULL;
struct Results_Description *rd=NULL;
int tnv; /* total number of nodal variables and kinds */
int tev; /* total number of elem variables and kinds */
int tnv_post; /* total number of nodal variables and kinds
for post processing */
int tev_post; /* total number of elem variables and kinds
for post processing */
int iUC; /* User-defined continuation condition index */
int max_unk_elem, one, three; /* variables used as mf_setup arguments*/
unsigned int matrix_systems_mask;
double evol_local=0.0;
#ifdef PARALLEL
double evol_global=0.0;
#endif
static const char yo[]="continue_problem";
/*
* BEGIN EXECUTION
*/
#ifdef DEBUG
fprintf(stderr, "%s() begins...\n", yo);
#endif
is_steady_state = TRUE;
p_gsize = &gsize;
/*
* set aside space for gather global vectors to print to exoII file
* note: this is temporary
*
* For 2D prototype problem: allocate space for T, dx, dy arrays
*/
if( strlen(Soln_OutFile) )
{
file = fopen(Soln_OutFile, "w");
if (file == NULL) {
DPRINTF(stderr, "%s: opening soln file for writing\n", yo);
EH(-1, "\t");
}
}
#ifdef PARALLEL
check_parallel_error("Soln output file error");
#endif
/*
* Some preliminaries to help setup EXODUS II database output.
*/
#ifdef DEBUG
fprintf(stderr, "cnt_nodal_vars() begins...\n");
#endif
/*
* tnv_post is calculated in load_nodal_tkn
* tev_post is calculated in load_elem_tkn
*/
tnv = cnt_nodal_vars();
tev = cnt_elem_vars();
#ifdef DEBUG
fprintf(stderr, "Found %d total primitive nodal variables to output.\n", tnv);
fprintf(stderr, "Found %d total primitive elem variables to output.\n", tev);
#endif
if (tnv < 0)
{
DPRINTF(stderr, "%s:\tbad tnv.\n", yo);
EH(-1, "\t");
}
rd = (struct Results_Description *)
smalloc(sizeof(struct Results_Description));
if (rd == NULL)
EH(-1, "Could not grab Results Description.");
(void) memset((void *) rd, 0, sizeof(struct Results_Description));
rd->nev = 0; /* number element variables in results */
rd->ngv = 0; /* number global variables in results */
rd->nhv = 0; /* number history variables in results */
rd->ngv = 5; /* number global variables in results
see load_global_var_info for names*/
error = load_global_var_info(rd, 0, "CONV");
error = load_global_var_info(rd, 1, "NEWT_IT");
error = load_global_var_info(rd, 2, "MAX_IT");
error = load_global_var_info(rd, 3, "CONVRATE");
error = load_global_var_info(rd, 4, "MESH_VOLUME");
/* load nodal types, kinds, names */
error = load_nodal_tkn(rd,
&tnv,
&tnv_post);
if (error)
{
DPRINTF(stderr, "%s: problem with load_nodal_tkn()\n", yo);
EH(-1,"\t");
}
/* load elem types, names */
error = load_elem_tkn(rd,
exo,
tev,
&tev_post);
if (error)
{
DPRINTF(stderr, "%s: problem with load_elem_tkn()\n", yo);
EH(-1,"\t");
}
#ifdef PARALLEL
check_parallel_error("Results file error");
#endif
/*
* Write out the names of the nodal variables that we will be sending to
* the EXODUS II output file later.
*/
#ifdef DEBUG
fprintf(stderr, "wr_result_prelim() starts...\n", tnv);
#endif
gvec_elem = (double ***) smalloc ( (exo->num_elem_blocks)*sizeof(double **));
for (i = 0; i < exo->num_elem_blocks; i++)
gvec_elem[i] = (double **) smalloc ( (tev + tev_post)*sizeof(double *));
wr_result_prelim_exo(rd,
exo,
ExoFileOut,
gvec_elem );
#ifdef DEBUG
fprintf(stderr, "P_%d: wr_result_prelim_exo() ends...\n", ProcID, tnv);
#endif
/*
* This gvec workhorse transports output variables as nodal based vectors
* that are gather from the solution vector. Note: it is NOT a global
* vector at all and only carries this processor's nodal variables to
* the exodus database.
*/
asdv(&gvec, Num_Node);
/*
* Allocate space and manipulate for all the nodes that this processor
* is aware of...
*/
num_total_nodes = dpi->num_universe_nodes;
numProcUnknowns = NumUnknowns + NumExtUnknowns;
/* allocate memory for Volume Constraint Jacobian */
if ( nAC > 0)
for(iAC=0;iAC<nAC;iAC++)
augc[iAC].d_evol_dx = (double*) malloc(numProcUnknowns*sizeof(double));
asdv(&resid_vector, numProcUnknowns);
asdv(&resid_vector_sens, numProcUnknowns);
asdv(&scale, numProcUnknowns);
for (i = 0; i < NUM_ALSS; i++)
{
ams[i] = alloc_struct_1(struct Aztec_Linear_Solver_System, 1);
}
#ifdef MPI
AZ_set_proc_config( ams[0]->proc_config, MPI_COMM_WORLD );
#ifndef COUPLED_FILL
if( Explicit_Fill ) AZ_set_proc_config( ams[1]->proc_config, MPI_COMM_WORLD );
#endif /* not COUPLED_FILL */
#else /* MPI */
AZ_set_proc_config( ams[0]->proc_config, 0 );
#ifndef COUPLED_FILL
if( Explicit_Fill ) AZ_set_proc_config( ams[1]->proc_config, 0 );
#endif /* not COUPLED_FILL */
#endif /* MPI */
/*
* allocate space for and initialize solution arrays
*/
asdv(&x, numProcUnknowns);
asdv(&x_old, numProcUnknowns);
asdv(&x_older, numProcUnknowns);
asdv(&x_oldest, numProcUnknowns);
asdv(&xdot, numProcUnknowns);
asdv(&xdot_old, numProcUnknowns);
asdv(&x_update, numProcUnknowns);
asdv(&x_sens, numProcUnknowns);
asdv(&x_sens_temp, numProcUnknowns);
/*
* Initialize solid inertia flag
*/
set_solid_inertia();
/*
* FRIENDLY COMMAND LINE EQUIV
*/
if( ProcID == 0 )
{
cl_aux = fopen("goma-cl.txt", "w+");
fprintf(cl_aux, "goma -a -i input ");
fprintf(cl_aux, "-cb %10.6e ", cont->BegParameterValue);
fprintf(cl_aux, "-ce %10.6e ", cont->EndParameterValue);
fprintf(cl_aux, "-cd %10.6e ", cont->Delta_s0);
fprintf(cl_aux, "-cn %d ", cont->MaxPathSteps);
fprintf(cl_aux, "-cmin %10.6e ", cont->Delta_s_min);
fprintf(cl_aux, "-cmax %10.6e ", cont->Delta_s_max);
fprintf(cl_aux, "-cm %d ", Continuation);
fprintf(cl_aux, "-ct %d ", cont->upType);
switch (cont->upType)
{
case 1: /* BC TYPE */
fprintf(cl_aux, "-c_bc %d ", cont->upBCID);
fprintf(cl_aux, "-c_df %d ", cont->upDFID);
break;
case 2: /* MAT TYPE */
fprintf(cl_aux, "-c_mn %d ", cont->upMTID+1);
fprintf(cl_aux, "-c_mp %d ", cont->upMPID);
break;
case 3: /* AC TYPE */
fprintf(cl_aux, "-c_ac %d ", cont->upBCID);
fprintf(cl_aux, "-c_df %d ", cont->upDFID);
break;
case 4: /* USER MAT TYPE */
fprintf(cl_aux, "-c_mn %d ", cont->upMTID+1);
fprintf(cl_aux, "-c_mp %d ", cont->upMPID);
fprintf(cl_aux, "-c_md %d ", cont->upMDID);
break;
case 5: /* USER-DEFINED FUNCTION TYPE */
/* NOTE: This is not available via the command line! */
break;
case 6: /* ANGULAR CONTINUATION TYPE */
/* NOTE: This requires LOCA and is not available via the command line! */
EH(-1, "Angular continuation is available only in LOCA!");
break;
default:
fprintf(stderr, "%s: Bad cont->upType, %d\n", yo, cont->upType);
EH(-1,"Bad cont->upType");
break; /* duh */
}
fprintf(cl_aux, "\n");
fclose(cl_aux);
}
#ifdef PARALLEL
check_parallel_error("Continuation setup error");
#endif
/*
* FIRST ORDER CONTINUATION
*/
lambda = cont->BegParameterValue;
lambdaEnd = cont->EndParameterValue;
if (lambdaEnd > lambda)
aldALC = +1;
else
aldALC = -1;
delta_s_new = 0.0;
Delta_s0 = cont->Delta_s0;
Delta_s_min = cont->Delta_s_min;
Delta_s_max = cont->Delta_s_max;
MaxPathSteps = cont->MaxPathSteps;
PathMax = cont->PathMax;
eps = cont->eps;
if (Delta_s0 < 0.0 )
{
Delta_s0 = -Delta_s0;
const_delta_s = 1;
}
else
const_delta_s = 0;
damp = 1.0;
path = path1 = lambda;
if (Debug_Flag && ProcID == 0)
{
fprintf(stderr,"MaxPathSteps: %d \tlambdaEnd: %f\n", MaxPathSteps, lambdaEnd);
fprintf(stderr,"continuation in progress\n");
}
nprint = 0;
if (Delta_s0 > Delta_s_max)
Delta_s0 = Delta_s_max;
delta_s = delta_s_old = delta_s_older = Delta_s0;
delta_t = 0.0;
tran->delta_t = 0.0; /*for Newmark-Beta terms in Lagrangian Solid*/
/* Call prefront (or mf_setup) if necessary */
if (Linear_Solver == FRONT)
{
/* Also got to define these because it wants pointers to these numbers */
max_unk_elem = (MAX_PROB_VAR + MAX_CONC)*MDE;
one = 1;
three = 3;
/* NOTE: We need a overall flag in the vn_glob struct that tells whether FULL_DG
is on anywhere in domain. This assumes only one material. See sl_front_setup for test.
that test needs to be in the input parser. */
if(vn_glob[0]->dg_J_model == FULL_DG)
max_unk_elem = (MAX_PROB_VAR + MAX_CONC)*MDE + 4*vn_glob[0]->modes*4*MDE;
#ifdef PARALLEL
if (Num_Proc > 1) EH(-1, "Whoa. No front allowed with nproc>1");
check_parallel_error("Front solver not allowed with nprocs>1");
#endif
#ifdef HAVE_FRONT
err = mf_setup(&exo->num_elems,
&NumUnknowns,
&max_unk_elem,
&three,
&one,
exo->elem_order_map,
fss->el_proc_assign,
fss->level,
fss->nopdof,
fss->ncn,
fss->constraint,
front_scratch_directory,
&fss->ntra);
EH(err,"problems in frontal setup ");
#else
EH(-1,"Don't have frontal solver compiled and linked in");
#endif
}
/*
* if computing parameter sensitivities, allocate space for solution
* sensitivity vectors
*/
for(i=0;i<nn_post_fluxes_sens;i++)
{
num_pvector=MAX(num_pvector,pp_fluxes_sens[i]->vector_id);
}
for(i=0;i<nn_post_data_sens;i++)
{
num_pvector=MAX(num_pvector,pp_data_sens[i]->vector_id);
}
if((nn_post_fluxes_sens + nn_post_data_sens) > 0)
{
num_pvector++;
num_pvector = MAX(num_pvector,2);
x_sens_p = Dmatrix_birth(num_pvector,numProcUnknowns);
}
else
x_sens_p = NULL;
if (nAC > 0)
{
asdv(&x_AC, nAC);
asdv(&x_AC_old, nAC);
asdv(&x_AC_dot, nAC);
}
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterC(0, path1, x, xdot, x_AC, delta_s, cx, exo, dpi);
/* Allocate sparse matrix */
if( strcmp( Matrix_Format, "msr" ) == 0)
{
log_msg("alloc_MSR_sparse_arrays...");
alloc_MSR_sparse_arrays(&ija,
&a,
&a_old,
0,
node_to_fill,
exo,
dpi);
/*
* An attic to store external dofs column names is needed when
* running in parallel.
*/
alloc_extern_ija_buffer(num_universe_dofs,
num_internal_dofs+num_boundary_dofs,
ija, &ija_attic);
/*
* Any necessary one time initialization of the linear
* solver package (Aztec).
*/
ams[JAC]->bindx = ija;
ams[JAC]->val = a;
ams[JAC]->belfry = ija_attic;
ams[JAC]->val_old = a_old;
/*
* These point to nowhere since we're using MSR instead of VBR
* format.
*/
ams[JAC]->indx = NULL;
ams[JAC]->bpntr = NULL;
ams[JAC]->rpntr = NULL;
ams[JAC]->cpntr = NULL;
ams[JAC]->npn = dpi->num_internal_nodes + dpi->num_boundary_nodes;
ams[JAC]->npn_plus = dpi->num_internal_nodes + dpi->num_boundary_nodes + dpi->num_external_nodes;
ams[JAC]->npu = num_internal_dofs+num_boundary_dofs;
ams[JAC]->npu_plus = num_universe_dofs;
ams[JAC]->nnz = ija[num_internal_dofs+num_boundary_dofs] - 1;
ams[JAC]->nnz_plus = ija[num_universe_dofs];
}
else if( strcmp( Matrix_Format, "vbr" ) == 0)
{
log_msg("alloc_VBR_sparse_arrays...");
alloc_VBR_sparse_arrays (ams[JAC],
exo,
dpi);
ija_attic = NULL;
ams[JAC]->belfry = ija_attic;
a = ams[JAC]->val;
if( !save_old_A ) a_old = ams[JAC]->val_old = NULL;
}
else if ( strcmp( Matrix_Format, "front") == 0 )
{
/* Don't allocate any sparse matrix space when using front */
ams[JAC]->bindx = NULL;
ams[JAC]->val = NULL;
ams[JAC]->belfry = NULL;
ams[JAC]->val_old = NULL;
ams[JAC]->indx = NULL;
ams[JAC]->bpntr = NULL;
ams[JAC]->rpntr = NULL;
ams[JAC]->cpntr = NULL;
}
else
EH(-1,"Attempted to allocate unknown sparse matrix format");
init_vec(x, cx, exo, dpi, x_AC, nAC, &timeValueRead);
/* if read ACs, update data floats */
if (nAC > 0)
if(augc[0].iread == 1)
{
for(iAC=0 ; iAC<nAC ; iAC++)
{ update_parameterAC(iAC, x, xdot, x_AC, cx, exo, dpi);}
}
vzero(numProcUnknowns, &x_sens[0]);
vzero(numProcUnknowns, &x_sens_temp[0]);
/*
* set boundary conditions on the initial conditions
*/
nullify_dirichlet_bcs();
find_and_set_Dirichlet(x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
dcopy1(numProcUnknowns,x,x_old);
dcopy1(numProcUnknowns,x_old,x_older);
dcopy1(numProcUnknowns,x_older,x_oldest);
if(nAC > 0)
dcopy1(nAC,x_AC, x_AC_old);
/*
* initialize the counters for when to print out data
*/
path_print = path1;
step_print = 1;
matrix_systems_mask = 1;
log_msg("sl_init()...");
sl_init(matrix_systems_mask, ams, exo, dpi, cx);
/*
* Make sure the solver was properly initialized on all processors.
*/
#ifdef PARALLEL
check_parallel_error("Solver initialization problems");
#endif
ams[JAC]->options[AZ_keep_info] = 1;
/*
* set the number of successful path steps to zero
*/
nt = 0;
/*
* LOOP THROUGH PARAMETER UNTIL MAX NUMBER
* OF STEPS SURPASSED
*/
for(n = 0; n < MaxPathSteps; n++)
{
alqALC = 1;
switch (aldALC)
{
case -1: /* REDUCING PARAMETER DIRECTION */
if (path1 <= lambdaEnd)
{
DPRINTF(stderr,"\n\t ******** LAST PATH STEP!\n");
alqALC = -1;
path1 = lambdaEnd;
delta_s = path-path1;
}
break;
case +1: /* RISING PARAMETER DIRECTION */
if (path1 >= lambdaEnd)
{
DPRINTF(stderr,"\n\t ******** LAST PATH STEP!\n");
alqALC = -1;
path1 = lambdaEnd;
delta_s = path1-path;
}
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
#ifdef PARALLEL
check_parallel_error("Bad aldALC");
#endif
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterC(0, path1, x, xdot, x_AC, delta_s,
cx, exo, dpi);
/*
* IF STEP CHANGED, REDO FIRST ORDER PREDICTION
*/
if(alqALC == -1)
{
dcopy1(NumUnknowns,x_old,x);
switch (Continuation)
{
case ALC_ZEROTH:
break;
case ALC_FIRST:
switch (aldALC)
{
case -1:
v1add(NumUnknowns, &x[0], -delta_s, &x_sens[0]);
break;
case +1:
v1add(NumUnknowns, &x[0], +delta_s, &x_sens[0]);
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
break;
default:
DPRINTF(stderr, "%s: Bad Continuation, %d\n", yo, Continuation);
EH(-1,"\t");
break; /* duh */
}
}
#ifdef PARALLEL
check_parallel_error("Bad Continuation");
#endif
find_and_set_Dirichlet (x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
if (ProcID == 0)
{
fprintf(stderr, "\n\t----------------------------------");
switch (Continuation)
{
case ALC_ZEROTH:
DPRINTF(stderr, "\n\tZero Order Continuation:");
break;
case ALC_FIRST:
DPRINTF(stderr, "\n\tFirst Order Continuation:");
break;
default:
DPRINTF(stderr, "%s: Bad Continuation, %d\n", yo, Continuation);
EH(-1,"\t");
break; /* duh */
}
DPRINTF(stderr, "\n\tStep number: %4d of %4d (max)", n+1, MaxPathSteps);
DPRINTF(stderr, "\n\tAttempting solution at:");
switch (cont->upType)
{
case 1: /* BC */
case 3: /* AC */
DPRINTF(stderr, "\n\tBCID=%3d DFID=%5d", cont->upBCID, cont->upDFID);
break;
case 2: /* MT */
DPRINTF(stderr, "\n\tMTID=%3d MPID=%5d", cont->upMTID, cont->upMPID);
break;
case 4: /* UM */
DPRINTF(stderr, "\n\tMTID=%3d MPID=%5d MDID=%3d", cont->upMTID, cont->upMPID, cont->upMDID);
break;
/* This case requires an inner switch block */
case 5: /* UF */
for (iUC=0; iUC<nUC; iUC++)
{
switch (cpuc[iUC].Type)
{
case 1: /* BC */
case 3: /* AC */
DPRINTF(stderr, "\n\tBCID=%3d DFID=%5d",
cpuc[iUC].BCID, cpuc[iUC].DFID);
break;
case 2: /* MT */
DPRINTF(stderr, "\n\tMTID=%3d MPID=%5d",
cpuc[iUC].MTID, cpuc[iUC].MPID);
break;
case 4: /* UM */
DPRINTF(stderr, "\n\tMTID=%3d MPID=%5d MDID=%3d",
cpuc[iUC].MTID, cpuc[iUC].MPID, cpuc[iUC].MDID);
break;
default:
DPRINTF(stderr, "%s: Bad user continuation type, %d\n",
yo, cont->upType);
EH(-1,"\t");
break;
}
DPRINTF(stderr, " Parameter= % 10.6e delta_s= %10.6e",
cpuc[iUC].value, (cpuc[iUC].value-cpuc[iUC].old_value) );
}
break;
default:
DPRINTF(stderr, "%s: Bad cont->upType, %d\n", yo, cont->upType);
EH(-1,"\t");
break; /* duh */
}
if (cont->upType != 5)
{
DPRINTF(stderr, " Parameter= % 10.6e delta_s= %10.6e", path1, delta_s);
}
}
#ifdef PARALLEL
check_parallel_error("Bad cont->upType");
#endif
ni = 0;
do {
#ifdef DEBUG
DPRINTF(stderr, "%s: starting solve_nonlinear_problem\n", yo);
#endif
err = solve_nonlinear_problem(ams[JAC],
x,
delta_t,
theta,
x_old,
x_older,
xdot,
xdot_old,
resid_vector,
x_update,
scale,
&converged,
&nprint,
tev,
tev_post,
NULL,
rd,
gindex,
p_gsize,
gvec,
gvec_elem,
path1,
exo,
dpi,
cx,
0,
&path_step_reform,
is_steady_state,
x_AC,
x_AC_dot,
path1,
resid_vector_sens,
x_sens_temp,
x_sens_p,
NULL);
#ifdef DEBUG
fprintf(stderr, "%s: returned from solve_nonlinear_problem\n", yo);
#endif
if (err == -1)
converged = 0;
inewton = err;
if (converged)
{
if (Write_Intermediate_Solutions == 0) {
#ifdef DEBUG
DPRINTF(stderr, "%s: write_solution call WIS\n", yo);
#endif
write_solution(ExoFileOut, resid_vector, x, x_sens_p,
x_old, xdot, xdot_old, tev, tev_post, NULL, rd,
gindex, p_gsize, gvec, gvec_elem, &nprint,
delta_s, theta, path1, NULL, exo, dpi);
#ifdef DEBUG
fprintf(stderr, "%s: write_solution end call WIS\n", yo);
#endif
}
#ifdef PARALLEL
check_parallel_error("Error writing exodusII file");
#endif
/*
* PRINT OUT VALUES OF EXTRA UNKNOWNS
* FROM AUGMENTING CONDITIONS
*/
if (nAC > 0)
{
DPRINTF(stderr, "\n------------------------------\n");
DPRINTF(stderr, "Augmenting Conditions: %4d\n", nAC);
DPRINTF(stderr, "Number of extra unknowns: %4d\n\n", nAC);
for (iAC = 0; iAC < nAC; iAC++)
{
if (augc[iAC].Type == AC_USERBC)
{
DPRINTF(stderr, "\tBC[%4d] DF[%4d] = %10.6e\n",
augc[iAC].BCID, augc[iAC].DFID, x_AC[iAC]);
}
else if (augc[iAC].Type == AC_USERMAT ||
augc[iAC].Type == AC_FLUX_MAT )
{
DPRINTF(stderr, "\tMT[%4d] MP[%4d] = %10.6e\n",
augc[iAC].MTID, augc[iAC].MPID, x_AC[iAC]);
}
else if(augc[iAC].Type == AC_VOLUME)
{
evol_local = augc[iAC].evol;
#ifdef PARALLEL
if( Num_Proc > 1 ) {
MPI_Allreduce( &evol_local, &evol_global, 1,
MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
}
evol_local = evol_global;
#endif
DPRINTF(stderr, "\tMT[%4d] VC[%4d]=%10.6e Param=%10.6e\n",
augc[iAC].MTID, augc[iAC].VOLID, evol_local,
x_AC[iAC]);
}
else if(augc[iAC].Type == AC_POSITION)
{
evol_local = augc[iAC].evol;
#ifdef PARALLEL
if( Num_Proc > 1 ) {
MPI_Allreduce( &evol_local, &evol_global, 1,
MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
}
evol_local = evol_global;
#endif
DPRINTF(stderr, "\tMT[%4d] XY[%4d]=%10.6e Param=%10.6e\n",
augc[iAC].MTID, augc[iAC].VOLID, evol_local,
x_AC[iAC]);
}
else if(augc[iAC].Type == AC_FLUX)
{
DPRINTF(stderr, "\tBC[%4d] DF[%4d]=%10.6e\n",
augc[iAC].BCID, augc[iAC].DFID, x_AC[iAC]);
}
}
}
/*
* INTEGRATE FLUXES, FORCES
*/
for (i = 0; i < nn_post_fluxes; i++)
err_dbl = evaluate_flux (exo, dpi,
pp_fluxes[i]->ss_id,
pp_fluxes[i]->flux_type ,
pp_fluxes[i]->flux_type_name ,
pp_fluxes[i]->blk_id ,
pp_fluxes[i]->species_number,
pp_fluxes[i]->flux_filenm,
pp_fluxes[i]->profile_flag,
x,xdot,NULL, delta_s,path1,1);
/*
* COMPUTE FLUX, FORCE SENSITIVITIES
*/
for (i = 0; i < nn_post_fluxes_sens; i++)
err_dbl = evaluate_flux_sens (exo, dpi,
pp_fluxes_sens[i]->ss_id,
pp_fluxes_sens[i]->flux_type ,
pp_fluxes_sens[i]->flux_type_name ,
pp_fluxes_sens[i]->blk_id ,
pp_fluxes_sens[i]->species_number,
pp_fluxes_sens[i]->sens_type,
pp_fluxes_sens[i]->sens_id,
pp_fluxes_sens[i]->sens_flt,
pp_fluxes_sens[i]->sens_flt2,
pp_fluxes_sens[i]->vector_id,
pp_fluxes_sens[i]->flux_filenm,
pp_fluxes_sens[i]->profile_flag,
x,xdot,x_sens_p,delta_s,path1,1);
/*
* Compute global volumetric quantities
*/
for (i = 0; i < nn_volume; i++ ) {
evaluate_volume_integral(exo, dpi,
pp_volume[i]->volume_type,
pp_volume[i]->volume_name,
pp_volume[i]->blk_id,
pp_volume[i]->species_no,
pp_volume[i]->volume_fname,
pp_volume[i]->params,
NULL, x, xdot, delta_s,
path1, 1);
}
} /* end of if converged block */
/*
* INCREMENT COUNTER
*/
ni++;
/*
* DID IT CONVERGE ?
* IF NOT, REDUCE STEP SIZE AND TRY AGAIN
*/
if (!converged)
{
if (ni > 5)
{
puts(" ");
puts(" ************************************");
puts(" W: Did not converge in Newton steps.");
puts(" Find better initial guess. ");
puts(" ************************************");
/* This needs to have a return value of 0, indicating
* success, for the continuation script to not treat this
* as a failed command. */
exit(0);
}
/*
* ADJUST STEP SIZE
*/
DPRINTF(stderr, "\n\tFailed to converge:\n");
delta_s *= 0.5;
switch (aldALC)
{
case -1:
path1 = path - delta_s;
break;
case +1:
path1 = path + delta_s;
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
#ifdef PARALLEL
check_parallel_error("Bad aldALC");
#endif
/*
* RESET
*/
alqALC = 1; /* If necessary, don't call this the last step... */
DPRINTF(stderr, "\n\tDecreasing step-length to %10.6e.\n", delta_s);
if (delta_s < Delta_s_min)
{
puts("\n X: C step-length reduced below minimum.");
puts("\n Program terminated.\n");
/* This needs to have a return value of 0, indicating
* success, for the continuation script to not treat this
* as a failed command. */
exit(0);
}
#ifdef PARALLEL
check_parallel_error("\t");
#endif
/*
* ADJUST NATURAL PARAMETER
*/
dcopy1(numProcUnknowns, x_old, x);
update_parameterC(0, path1, x, xdot, x_AC, delta_s,
cx, exo, dpi);
/*
* GET ZERO OR FIRST ORDER PREDICTION
*/
switch (Continuation)
{
case ALC_ZEROTH:
break;
case ALC_FIRST:
switch (aldALC)
{
case -1:
v1add(numProcUnknowns, &x[0], -delta_s, &x_sens[0]);
break;
case +1:
v1add(numProcUnknowns, &x[0], +delta_s, &x_sens[0]);
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
break;
default:
DPRINTF(stderr, "%s: Bad Continuation, %d\n", yo, Continuation);
EH(-1,"\t");
break; /* duh */
}
#ifdef PARALLEL
check_parallel_error("Bad Continuation");
#endif
/* MMH: Needed to put this in, o/w it may find that the
* solution and residual HAPPEN to satisfy the convergence
* criterion for the next newton solve...
*/
find_and_set_Dirichlet(x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
/* Should be doing first order prediction on ACs
* but for now, just reset the AC variables
*/
if( nAC > 0)
{
dcopy1(nAC, x_AC_old, x_AC);
for(iAC=0 ; iAC<nAC ; iAC++)
{ update_parameterAC(iAC, x, xdot, x_AC, cx, exo, dpi);}
}
} /* end of !converged */
} while (converged == 0);
/*
* CONVERGED
*/
nt++;
if( Continuation == ALC_ZEROTH ) {
DPRINTF(stderr, "\n\tStep accepted, parameter = %10.6e\n", path1);
}
else {
DPRINTF(stderr, "\tStep accepted, parameter = %10.6e\n", path1);
}
/*
* check path step error, if too large do not enlarge path step
*/
if ((ni == 1) && (n != 0) && (!const_delta_s))
{
delta_s_new = path_step_control(num_total_nodes,
delta_s, delta_s_old,
x,
eps,
&success_ds,
cont->use_var_norm, inewton);
if (delta_s_new > Delta_s_max)
delta_s_new = Delta_s_max;
}
else
{
success_ds = 1;
delta_s_new = delta_s;
}
/*
* determine whether to print out the data or not
*/
i_print = 0;
if (nt == step_print)
{
i_print = 1;
step_print += cont->print_freq;
}
if (alqALC == -1)
i_print = 1;
if (i_print)
{
error = write_ascii_soln(x, resid_vector, numProcUnknowns,
x_AC, nAC, path1, file);
if (error) {
DPRINTF(stdout, "%s: error writing ASCII soln file\n", yo);
}
if (Write_Intermediate_Solutions == 0 ) {
write_solution(ExoFileOut, resid_vector, x, x_sens_p,
x_old, xdot, xdot_old, tev, tev_post, NULL,
rd, gindex, p_gsize, gvec, gvec_elem, &nprint,
delta_s, theta, path1, NULL, exo, dpi);
nprint++;
}
}
/*
* backup old solutions
* can use previous solutions for prediction one day
*/
dcopy1(numProcUnknowns,x_older,x_oldest);
dcopy1(numProcUnknowns,x_old,x_older);
dcopy1(numProcUnknowns, x, x_old);
dcopy1(numProcUnknowns, x_sens_temp, x_sens);
delta_s_oldest = delta_s_older;
delta_s_older = delta_s_old;
delta_s_old = delta_s;
delta_s = delta_s_new;
if( nAC > 0)
dcopy1(nAC, x_AC, x_AC_old);
/*
* INCREMENT/DECREMENT PARAMETER
*/
path = path1;
switch (aldALC)
{
case -1:
path1 = path - delta_s;
break;
case +1:
path1 = path + delta_s;
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
#ifdef PARALLEL
check_parallel_error("Bad aldALC");
#endif
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterC(0, path1, x, xdot, x_AC, delta_s,
cx, exo, dpi);
/*
display_parameterC(path1, x, xdot, delta_s,
cx, exo, dpi);
*/
/*
* GET FIRST ORDER PREDICTION
*/
switch (Continuation)
{
case ALC_ZEROTH:
break;
case ALC_FIRST:
switch (aldALC)
{
case -1:
v1add(numProcUnknowns, &x[0], -delta_s, &x_sens[0]);
break;
case +1:
v1add(numProcUnknowns, &x[0], +delta_s, &x_sens[0]);
break;
default:
DPRINTF(stderr, "%s: Bad aldALC, %d\n", yo, aldALC);
EH(-1,"\t");
break; /* duh */
}
break;
}
#ifdef PARALLEL
check_parallel_error("Bad aldALC");
#endif
/*
* CHECK END CONTINUATION
*/
/*
if (alqALC == -1)
alqALC = 0;
else
alqALC = 1;
*/
if (alqALC == -1)
{
DPRINTF(stderr,"\n\n\t I will continue no more!\n\t No more continuation for you!\n");
goto free_and_clear;
}
} /* for(n = 0; n < MaxPathSteps; n++) */
if(n == MaxPathSteps &&
aldALC * (lambdaEnd - path) > 0)
{
DPRINTF(stderr, "\n\tFailed to reach end of hunt in maximum number of successful steps (%d).\n\tSorry.\n",
MaxPathSteps);
/*
EH(-1,"\t");
*/
}
#ifdef PARALLEL
check_parallel_error("Continuation error");
#endif
/*
* DONE CONTINUATION
*/
free_and_clear:
/*
* Transform the node point coordinates according to the
* displacements and write out all the results using the
* displaced coordinates. Set the displacement field to
* zero, too.
*/
if (Anneal_Mesh)
{
#ifdef DEBUG
fprintf(stderr, "%s: anneal_mesh()...\n", yo);
#endif
err = anneal_mesh(x, tev, tev_post, NULL, rd, path1, exo, dpi);
#ifdef DEBUG
fprintf(stderr, "%s: anneal_mesh()-done\n", yo);
#endif
EH(err, "anneal_mesh() bad return.");
}
#ifdef PARALLEL
check_parallel_error("Trouble annealing mesh");
#endif
/*
* Free a bunch of variables that aren't needed anymore
*/
safer_free((void **) &ROT_Types);
safer_free((void **) &node_to_fill);
safer_free( (void **) &resid_vector);
safer_free( (void **) &resid_vector_sens);
safer_free( (void **) &scale);
safer_free( (void **) &x);
if (nAC > 0)
{
safer_free( (void **) &x_AC);
safer_free( (void **) &x_AC_old);
safer_free( (void **) &x_AC_dot);
}
safer_free( (void **) &x_old);
safer_free( (void **) &x_older);
safer_free( (void **) &x_oldest);
safer_free( (void **) &xdot);
safer_free( (void **) &xdot_old);
safer_free( (void **) &x_update);
safer_free( (void **) &x_sens);
safer_free( (void **) &x_sens_temp);
if((nn_post_data_sens+nn_post_fluxes_sens) > 0)
Dmatrix_death(x_sens_p,num_pvector,numProcUnknowns);
for(i = 0; i < MAX_NUMBER_MATLS; i++) {
for(n = 0; n < MAX_MODES; n++) {
safer_free((void **) &(ve_glob[i][n]->gn));
safer_free((void **) &(ve_glob[i][n]));
}
safer_free((void **) &(vn_glob[i]));
}
sl_free(matrix_systems_mask, ams);
for (i = 0; i < NUM_ALSS; i++)
safer_free((void **) &(ams[i]));
safer_free( (void **) &gvec);
i = 0;
for ( eb_indx = 0; eb_indx < exo->num_elem_blocks; eb_indx++ )
{
for ( ev_indx = 0; ev_indx < rd->nev; ev_indx++ ) {
if (exo->elem_var_tab[i++] == 1) {
safer_free((void **) &(gvec_elem [eb_indx][ev_indx]));
}
}
safer_free((void **) &(gvec_elem [eb_indx]));
}
safer_free( (void **) &gvec_elem);
if (cpcc != NULL) safer_free( (void **) &cpcc);
safer_free( (void **) &rd);
safer_free( (void **) &Local_Offset);
safer_free( (void **) &Dolphin);
if (file != NULL) fclose(file);
return;
} /* END of routine continue_problem */
/* Routines that handle the eigensolver.
*
* Linear stability analysis
* Solve J z = t M z
*
* where
*
* input:
* J = jacobian matrix
* M = mass or overlap matrix
*
* output:
* z = eigenvectors
* t = eigenvalues
*
* Friendly warning:
* Do not edit this unless you know what you are doing!!
*
* Originally written by Ian Gates
* pre-CVS modification history:
* - Sep 24, 1997, first checkin
* - Feb 98 -> Oct 98, another checkin
* - Jan 13, 2000, MMH rearranged and conformed to Goma style.
*/
void
eggrollwrap(int *istuff, /* info for eigenvalue extraction */
dbl *dstuff, /* info for eigenvalue extraction */
int *ija, /* column pointer array */
dbl *jac, /* nonzero array */
dbl *mas, /* nonzero array - same structure
as jac[] (ija[]) */
dbl *x, /* Value of the solution vector */
char *ExoFileOut, /* Name of exoII output file */
int prob_type,
dbl delta_t, /* time step size */
dbl theta, /* variable time integration parameter
explicit (theta = 1) to
implicit (theta = 0) */
dbl *x_old, /* Value of the old solution vector */
dbl *xdot, /* Value of xdot predicted for new
solution */
dbl *xdot_old, /* dx/dt at previous time step */
dbl *resid_vector,
int *converged, /* whether the Newton has converged */
int *nprint, /* counter for time step number */
int tnv, /* number of nodal results */
int tnv_post, /* number of post processing results */
struct Results_Description *rd,
int *gindex,
int *p_gsize,
dbl *gvec,
dbl time_value,
Exo_DB *exo, /* ptr to finite element mesh db */
int Num_Proc, /* number of processors used */
Dpi *dpi) /* ptr to distributed processing info */
{
int
i, j, ic,
nj, nnz_j,
first_linear_solver_call, Factor_Flag, matr_form,
error, rcflag, action,
ev_n, ev_jac,
filter,
mm, max_itr,
nev_want, nev_found, lead,
/* read_form, soln_tech, push_mode, */
push_mode,
init_shft, recycle;
dbl
stol, ivector,
dwork[20];
dbl
*ev_e, *ev_i, *ev_r, *ev_x,
*v1, *v2,
*mat,
**evect, **schur;
char save_ExoFileOut[MAX_FNL];
static int UMF_system_id; /* Used to uniquely identify the
* explicit fill system to solve from
* the other UMF systems. */
/* Initialize
*/
ic = error = rcflag = action = 0;
ev_jac = 0;
matr_form = 1;
/* Set values
*/
mm = istuff[0];
nj = istuff[1];
nnz_j = istuff[2];
filter = istuff[3];
recycle = istuff[4];
nev_want = istuff[6];
init_shft = istuff[7];
max_itr = istuff[8];
push_mode = istuff[9];
stol = dstuff[0];
ivector = dstuff[3];
printf(" Initializing variables and allocating space... ");
/* Allocate spectrum storage
*/
ev_e = Dvector_birth(mm+5);
ev_i = Dvector_birth(mm+5);
ev_r = Dvector_birth(mm+5);
ev_x = Dvector_birth(mm+5);
/* Set initial (real) shifts
*/
ev_n = init_shft;
vcopy(init_shft, &ev_r[0], 1.0, &dstuff[10]);
/* Allocate auxiliary work vectors
*/
mat = Dvector_birth(nnz_j+5);
/* Allocate eigenvectors and schur storage
*/
i = nj+5;
j = mm+5;
evect = Dmatrix_birth(j, i);
schur = Dmatrix_birth(j, i);
/* Allocate reverse communication vectors
*/
v1 = Dvector_birth(nj+5);
v2 = Dvector_birth(nj+5);
/* Check for something that seems to make no difference if it's on,
* except for occasionally causing seg faults... */
if(recycle != 0)
EH(-1, "Eigen recycle currently doesn't work, turn it off.");
/* Set initial vector
*/
vinit(nj, &v1[0], 0.5);
/* GEVP solution
*/
ic = 0;
first_linear_solver_call = +1;
do {
ic++;
/* printf("ic = %d\n", ic); fflush(stdout); */
gevp_solver_rc(nj, mm, max_itr, stol, filter, &ev_n, &ev_r[0],
&ev_i[0], &ev_e[0], &ev_x[0], &lead, ev_jac,
nev_want, &nev_found, schur, evect, recycle,
ivector, 0, &rcflag, &action, &dwork[0], &v1[0],
&v2[0]);
/* printf("action = %d\n", action); fflush(stdout); */
switch (action)
{
case 0: /* All done */
break;
case 1: /* v2 = J*v1 */
MV_MSR(&nj, &ija[0], &jac[0], &v1[0], &v2[0]);
break;
case 2: /* v2 = M*v1 */
MV_MSR(&nj, &ija[0], &mas[0], &v1[0], &v2[0]);
break;
case 3: /* inv(J-sM) */
/* Shift matrix step */
v2sum(nnz_j, &mat[0], 1.0, &jac[0], -dwork[0], &mas[0]);
/* Invert step - get LU for later */
if(first_linear_solver_call == 1)
{
Factor_Flag = -2;
UMF_system_id = -1;
}
else
Factor_Flag = -1;
/*
printf("Calling SL_UMF, first_linear_solver_call = %d, Factor_Flag = %d\n",
first_linear_solver_call, Factor_Flag); fflush(stdout);
*/
UMF_system_id = SL_UMF(UMF_system_id,
&first_linear_solver_call,
&Factor_Flag,
&matr_form,
&nj,
&nnz_j,
&ija[0],
&ija[0],
&mat[0],
&v1[0],
&v2[0]);
first_linear_solver_call = 0;
break;
case 4: /* v2 = inv(J-sM)*M*v1 */
Factor_Flag = 3;
if(first_linear_solver_call)
EH(-1, "Tried to transform eigenvectors before a solve!");
gevp_transformation(UMF_system_id, first_linear_solver_call,
Factor_Flag, matr_form, 1, nj, nnz_j,
&ija[0], &jac[0], &mas[0], &mat[0],
/* soln_tech, */
&v2[0], &v1[0], dwork[0], dwork[1]);
break;
default:
EH(-1, "Uh-oh! I shouldn't be here!");
break;
} /* switch(action) */
if (ic > 10000)
error = 1;
} while ((rcflag != 0) && (error == 0));
/* Error check
*/
if (error == 1)
{
puts(" E: Too many iterations. Escape. ");
exit(-1);
}
/* De-allocate solver storage
*/
first_linear_solver_call = -1;
/* MMH sez: If first_linear_solver_call == -1, then we want to
* deallocate memory so we shouldn't be trying to solve anything!
* This was FMR'ing b/c SL_UMF was being called with
* first_linear_solver_call = -1, and Factor_Flag = 3. Bad.
*/
Factor_Flag = -3;
UMF_system_id = SL_UMF(UMF_system_id,
&first_linear_solver_call,
&Factor_Flag,
&matr_form,
&nj,
&nnz_j,
ija,
ija,
mat,
&v1[0],
&v2[0]);
/* Display results
*/
printf("\n-------------------------------------------------------------------------------\n");
if(Linear_Stability == LSA_3D_OF_2D)
printf("NORMAL MODE WAVE NUMBER = %g\n", LSA_3D_of_2D_wave_number);
printf(" Eigensolver required %d iterations.\n",ic);
printf(" Found %d converged eigenvalues.\n", nev_found);
printf(" Leading Eigenvalue = % 10.6e%+10.6e i RES = % 10.6e\n",
ev_r[lead], ev_i[lead], ev_e[lead]);
printf(" Real Imag RES\n");
for (i=0;i<nev_found;i++)
printf(" % 10.6e %+10.6e i % 10.6e\n", ev_r[i], ev_i[i], ev_e[i]);
/* MMH: I know this is stupid, but the filename for the "regular"
* Exodus output is a global variable!!! It is required in
* post_process_nodal(). I swap it out here, and will swap it back
* when we're done with LSA. Why don't I just overwrite it
* completely you may ask? Well, I don't know if and/or when the
* code will continue to do something useful after LSA. If it ever
* does, then it would probably like to know what the correct output
* filename is. Kinda like camping: Leave with what you came in
* with. */
strncpy(save_ExoFileOut, ExoFileOut, MAX_FNL-1);
/* Write results to file (exoII format)
*/
printf(" push_mode = %12d \n", push_mode);
if (push_mode > 0)
{
puts(" Writing modes to file ...");
/* Write to exo file
* Each mode is written as a "time step" solution into exoII DB
*/
for(i = 0; i < push_mode; i++)
{
printf("\t\t Mode %4d ...", i);
if(LSA_3D_of_2D_wave_number == -1.0)
sprintf(ExoFileOut, "LSA_%d_of_%d_%s", i + 1, push_mode,
save_ExoFileOut);
else
sprintf(ExoFileOut, "LSA_%d_of_%d_wn=%g_%s", i + 1, push_mode,
LSA_3D_of_2D_wave_number, save_ExoFileOut);
/* Replicate basic mesh info */
one_base(exo);
wr_mesh_exo(exo, ExoFileOut, 0);
wr_result_prelim_exo(rd, exo, ExoFileOut, NULL);
/* Update exo file for distributed problem info
*/
if (Num_Proc > 1) {
wr_dpi(dpi, ExoFileOut, 0);
}
for (j = 0; j < tnv; j++) {
extract_nodal_vec(&evect[i][0], rd->nvtype[j], rd->nvkind[j],
rd->nvmatID[j], gvec, exo, FALSE, time_value);
wr_nodal_result_exo(exo, ExoFileOut, gvec, j+1, 1,
time_value);
}
/*
* Add additional user-specified post processing variables
*/
if (tnv_post > 0) {
post_process_nodal(&evect[i][0], NULL, x_old, xdot, xdot_old,
resid_vector, 1, &time_value, delta_t, 0.0,
NULL, exo, dpi, rd, ExoFileOut);
}
zero_base(exo);
printf(" recorded.\n");
}
}
/* MMH: See comments above. */
strncpy(ExoFileOut, save_ExoFileOut, MAX_FNL);
/* De-allocate work vectors
*/
printf("Deallocating memory ... ");
i = nj+5;
j = mm+5;
Dmatrix_death(schur, j, i);
Dmatrix_death(evect, j, i);
Dvector_death(&v2[0], nj+5);
Dvector_death(&v1[0], nj+5);
Dvector_death(&mat[0], nnz_j+5);
Dvector_death(&ev_e[0], mm+5);
Dvector_death(&ev_i[0], mm+5);
Dvector_death(&ev_r[0], mm+5);
Dvector_death(&ev_x[0], mm+5);
printf("done.\n");
}
void
hunt_problem(Comm_Ex *cx, /* array of communications structures */
Exo_DB *exo, /* ptr to the finite element mesh database */
Dpi *dpi) /* distributed processing information */
{
int *ija=NULL; /* column pointer array */
double *a=NULL; /* nonzero array */
double *a_old=NULL; /* nonzero array */
double *x=NULL; /* solution vector */
int iAC; /* COUNTER */
double *x_AC = NULL; /* SOLUTION VECTOR OF EXTRA UNKNOWNS */
double *x_AC_old=NULL; /* old SOLUTION VECTOR OF EXTRA UNKNOWNS */
double *x_AC_dot = NULL;
int iHC; /* COUNTER */
int *ija_attic=NULL; /* storage for external dofs */
int eb_indx, ev_indx;
/*
* variables for path traversal
*/
double *x_old=NULL; /* old solution vector */
double *x_older=NULL; /* older solution vector */
double *x_oldest=NULL; /* oldest solution vector saved */
double *xdot=NULL; /* current path derivative of soln */
double *xdot_old=NULL;
double *x_update=NULL;
double *x_sens=NULL; /* solution sensitivity */
double **x_sens_p=NULL; /* solution sensitivity for parameters */
int num_pvector=0; /* number of solution sensitivity vectors */
#ifdef COUPLED_FILL
struct Aztec_Linear_Solver_System *ams[NUM_ALSS]={NULL};
#else /* COUPLED_FILL */
struct Aztec_Linear_Solver_System *ams[NUM_ALSS]={NULL, NULL};
#endif /* COUPLED_FILL */
/* sl_util_structs.h */
double *resid_vector=NULL; /* residual */
double *resid_vector_sens=NULL; /* residual sensitivity */
double *scale=NULL; /* scale vector for modified newton */
int *node_to_fill = NULL;
int n; /* total number of path steps attempted */
int ni; /* total number of nonlinear solves */
int nt; /* total number of successful path steps */
int path_step_reform; /* counter for jacobian reformation stride */
int converged; /* success or failure of Newton iteration */
int success_ds; /* success or failure of path step */
int i;
int nprint=0, num_total_nodes;
int numProcUnknowns;
int *const_delta_s=NULL;
int step_print;
double i_print;
int good_mesh = TRUE;
double *path=NULL, *path1=NULL;
double *delta_s=NULL, *delta_s_new=NULL, *delta_s_old=NULL;
double *delta_s_older=NULL, *delta_s_oldest=NULL;
double *hDelta_s0=NULL, *hDelta_s_min=NULL, *hDelta_s_max=NULL;
double delta_t;
double theta=0.0;
double damp;
double eps;
double *lambda=NULL, *lambdaEnd=NULL;
double hunt_par, dhunt_par, hunt_par_old; /* hunting continuation parameter */
double timeValueRead = 0.0;
/*
* ALC management variables
*/
int alqALC;
int *aldALC=NULL;
/*
* Other local variables
*/
int error, err, is_steady_state, inewton;
int *gindex = NULL, gsize;
int *p_gsize=NULL;
double *gvec=NULL;
double ***gvec_elem;
double err_dbl;
FILE *file=NULL;
double toler_org[3],damp_org;
struct Results_Description *rd=NULL;
int tnv; /* total number of nodal variables and kinds */
int tev; /* total number of elem variables and kinds */
int tnv_post; /* total number of nodal variables and kinds
for post processing */
int tev_post; /* total number of elem variables and kinds
for post processing */
int max_unk_elem, one, three; /* variables used as mf_setup arguments*/
unsigned int
matrix_systems_mask;
double evol_local=0.0;
#ifdef PARALLEL
double evol_global=0.0;
#endif
static char yo[]="hunt_problem";
/*
* BEGIN EXECUTION
*/
#ifdef DEBUG
fprintf(stderr, "hunt_problem() begins...\n");
#endif
toler_org[0] = custom_tol1;
toler_org[1] = custom_tol2;
toler_org[2] = custom_tol3;
damp_org = damp_factor1;
is_steady_state = TRUE;
p_gsize = &gsize;
/*
* set aside space for gather global vectors to print to exoII file
* note: this is temporary
*
* For 2D prototype problem: allocate space for T, dx, dy arrays
*/
if( strlen( Soln_OutFile) )
{
#ifdef DEBUG
printf("Trying to open \"%s\" for writing.\n", Soln_OutFile);
#endif
file = fopen(Soln_OutFile, "w");
if (file == NULL) {
DPRINTF(stderr, "%s: opening soln file for writing\n", yo);
EH(-1, "\t");
}
}
#ifdef PARALLEL
check_parallel_error("Soln output file error");
#endif
/*
* Some preliminaries to help setup EXODUS II database output.
*/
#ifdef DEBUG
fprintf(stderr, "cnt_nodal_vars() begins...\n");
#endif
tnv = cnt_nodal_vars();
/* tnv_post is calculated in load_nodal_tkn*/
tev = cnt_elem_vars();
/* tev_post is calculated in load_elem_tkn*/
#ifdef DEBUG
fprintf(stderr, "Found %d total primitive nodal variables to output.\n", tnv);
fprintf(stderr, "Found %d total primitive elem variables to output.\n", tev);
#endif
if ( tnv < 0 )
{
DPRINTF(stderr, "%s:\tbad tnv.\n", yo);
EH(-1, "\t");
}
if ( tev < 0 )
{
DPRINTF(stderr, "%s:\tMaybe bad tev? See goma design committee ;) \n", yo);
/* exit(-1); */
}
rd = (struct Results_Description *)
smalloc(sizeof(struct Results_Description));
if (rd == NULL)
{ EH(-1, "Could not grab Results Description."); }
(void) memset((void *) rd, 0, sizeof(struct Results_Description));
rd->nev = 0; /* number element variables in results */
rd->ngv = 0; /* number global variables in results */
rd->nhv = 0; /* number history variables in results */
if ( is_steady_state == TRUE ) {
rd->ngv = 5; /* number global variables in results
see load_global_var_info for names*/
error = load_global_var_info(rd, 0, "CONV");
error = load_global_var_info(rd, 1, "NEWT_IT");
error = load_global_var_info(rd, 2, "MAX_IT");
error = load_global_var_info(rd, 3, "CONVRATE");
error = load_global_var_info(rd, 4, "MESH_VOLUME");
}
/* load nodal types, kinds, names */
error = load_nodal_tkn( rd,
&tnv,
&tnv_post); /* load nodal types, kinds, names */
if (error !=0)
{
DPRINTF(stderr, "%s: problem with load_nodal_tkn()\n", yo);
EH(-1,"\t");
}
/* load elem types, names */
error = load_elem_tkn( rd,
exo,
tev,
&tev_post); /* load elem types, names */
if ( error !=0 )
{
DPRINTF(stderr, "%s: problem with load_elem_tkn()\n", yo);
EH(-1,"\t");
}
/*
* Write out the names of the nodal variables that we will be sending to
* the EXODUS II output file later.
*/
#ifdef DEBUG
fprintf(stderr, "wr_result_prelim() starts...\n", tnv);
#endif
gvec_elem = (double ***) smalloc ( (exo->num_elem_blocks)*sizeof(double **));
for (i = 0; i < exo->num_elem_blocks; i++) {
gvec_elem[i] = (double **) smalloc ( (tev + tev_post)*sizeof(double *));
}
wr_result_prelim_exo( rd,
exo,
ExoFileOut,
gvec_elem );
#ifdef DEBUG
fprintf(stderr, "P_%d: wr_result_prelim_exo() ends...\n", ProcID, tnv);
#endif
/*
* This gvec workhorse transports output variables as nodal based vectors
* that are gather from the solution vector. Note: it is NOT a global
* vector at all and only carries this processor's nodal variables to
* the exodus database.
*/
asdv(&gvec, Num_Node);
/*
* Allocate space and manipulate for all the nodes that this processor
* is aware of...
*/
num_total_nodes = dpi->num_universe_nodes;
numProcUnknowns = NumUnknowns + NumExtUnknowns;
/* allocate memory for Volume Constraint Jacobian. ACS 2/99 */
if ( nAC > 0)
{
for(iAC=0;iAC<nAC;iAC++) {
augc[iAC].d_evol_dx = (double*) malloc(numProcUnknowns*sizeof(double));
} }
asdv(&resid_vector, numProcUnknowns);
asdv(&resid_vector_sens, numProcUnknowns);
asdv(&scale, numProcUnknowns);
for (i=0;i<NUM_ALSS;i++)
{
ams[i] = (struct Aztec_Linear_Solver_System *)
array_alloc(1, 1, sizeof(struct Aztec_Linear_Solver_System ));
}
#ifdef MPI
AZ_set_proc_config( ams[0]->proc_config, MPI_COMM_WORLD );
#ifndef COUPLED_FILL
if( Explicit_Fill ) AZ_set_proc_config( ams[1]->proc_config, MPI_COMM_WORLD );
#endif /* not COUPLED_FILL */
#else /* MPI */
AZ_set_proc_config( ams[0]->proc_config, 0 );
#ifndef COUPLED_FILL
if( Explicit_Fill ) AZ_set_proc_config( ams[1]->proc_config, 0 );
#endif /* not COUPLED_FILL */
#endif /* MPI */
/*
* allocate space for and initialize solution arrays
*/
asdv(&x, numProcUnknowns);
asdv(&x_old, numProcUnknowns);
asdv(&x_older, numProcUnknowns);
asdv(&x_oldest, numProcUnknowns);
asdv(&xdot, numProcUnknowns);
asdv(&xdot_old, numProcUnknowns);
asdv(&x_update, numProcUnknowns);
asdv(&x_sens, numProcUnknowns);
/*
* Initialize solid inertia flag
*/
set_solid_inertia();
/*
* ALLOCATE ALL THOSE WORK VECTORS FOR HUNTING
*/
asdv(&lambda, nHC);
asdv(&lambdaEnd, nHC);
asdv(&path, nHC);
asdv(&path1, nHC);
asdv(&hDelta_s0, nHC);
asdv(&hDelta_s_min, nHC);
asdv(&hDelta_s_max, nHC);
asdv(&delta_s, nHC);
asdv(&delta_s_new, nHC);
asdv(&delta_s_old, nHC);
asdv(&delta_s_older, nHC);
asdv(&delta_s_oldest, nHC);
aldALC = Ivector_birth(nHC);
const_delta_s = Ivector_birth(nHC);
/*
HUNTING BY ZERO AND FIRST ORDER CONTINUATION
*/
alqALC = 1;
damp = 1.0;
delta_t = 0.0;
tran->delta_t = 0.0; /*for Newmark-Beta terms in Lagrangian Solid*/
nprint = 0;
MaxPathSteps = cont->MaxPathSteps;
eps = cont->eps;
for (iHC=0;iHC<nHC;iHC++) {
const_delta_s[iHC] = 0;
lambda[iHC] = hunt[iHC].BegParameterValue;
lambdaEnd[iHC] = hunt[iHC].EndParameterValue;
if ((lambdaEnd[iHC]-lambda[iHC]) > 0.0)
{
aldALC[iHC] = +1;
}
else
{
aldALC[iHC] = -1;
}
if (hunt[iHC].ramp == 1) {
hunt[iHC].Delta_s0 = fabs(lambdaEnd[iHC]-lambda[iHC])/((double)(MaxPathSteps-1));
const_delta_s[iHC] = 1;
}
hDelta_s0[iHC] = hunt[iHC].Delta_s0;
hDelta_s_min[iHC] = hunt[iHC].Delta_s_min;
hDelta_s_max[iHC] = hunt[iHC].Delta_s_max;
path[iHC] = path1[iHC] = lambda[iHC];
if (Debug_Flag && ProcID == 0) {
fprintf(stderr,"MaxPathSteps: %d \tlambdaEnd: %f\n", MaxPathSteps, lambdaEnd[iHC]);
fprintf(stderr,"continuation in progress\n");
}
if (hDelta_s0[iHC] > hDelta_s_max[iHC])
{
hDelta_s0[iHC] = hDelta_s_max[iHC];
}
delta_s[iHC] = delta_s_old[iHC] = delta_s_older[iHC] = hDelta_s0[iHC];
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterHC(iHC, path1[iHC], x, xdot, x_AC, delta_s[iHC], cx, exo, dpi);
}
/* define continuation parameter */
if(hunt[0].EndParameterValue == hunt[0].BegParameterValue)
{ hunt_par = 1.0; }
else
{
hunt_par = (path1[0]-hunt[0].BegParameterValue)
/(hunt[0].EndParameterValue - hunt[0].BegParameterValue) ;
hunt_par=fabs(hunt_par);
}
hunt_par_old = hunt_par;
/* Call prefront (or mf_setup) if necessary */
if (Linear_Solver == FRONT)
{
/* Also got to define these because it wants pointers to these numbers */
max_unk_elem = (MAX_PROB_VAR + MAX_CONC)*MDE;
one = 1;
three = 3;
/* NOTE: We need a overall flag in the vn_glob struct that tells whether FULL_DG
is on anywhere in domain. This assumes only one material. See sl_front_setup for test.
that test needs to be in the input parser. */
if(vn_glob[0]->dg_J_model == FULL_DG)
{
max_unk_elem = (MAX_PROB_VAR + MAX_CONC)*MDE + 4*vn_glob[0]->modes*4*MDE;
}
if (Num_Proc > 1) EH(-1, "Whoa. No front allowed with nproc>1");
#ifdef HAVE_FRONT
err = mf_setup(&exo->num_elems,
&NumUnknowns,
&max_unk_elem,
&three,
&one,
exo->elem_order_map,
fss->el_proc_assign,
fss->level,
fss->nopdof,
fss->ncn,
fss->constraint,
front_scratch_directory,
&fss->ntra);
EH(err,"problems in frontal setup ");
#else
EH(-1,"Don't have frontal solver compiled and linked in");
#endif
}
/*
* if compute parameter sensitivities, allocate space for solution
* sensitivity vectors
*/
for(i=0;i<nn_post_fluxes_sens;i++) {
num_pvector=MAX(num_pvector,pp_fluxes_sens[i]->vector_id);}
for(i=0;i<nn_post_data_sens;i++) {
num_pvector=MAX(num_pvector,pp_data_sens[i]->vector_id);}
if((nn_post_fluxes_sens + nn_post_data_sens) > 0)
{
num_pvector++;
num_pvector = MAX(num_pvector,2);
x_sens_p = Dmatrix_birth(num_pvector,numProcUnknowns);
}
else
{
x_sens_p = NULL;
}
if (nAC > 0)
{
asdv(&x_AC, nAC);
asdv(&x_AC_old, nAC);
asdv(&x_AC_dot, nAC);
}
/* Allocate sparse matrix */
if( strcmp( Matrix_Format, "msr" ) == 0)
{
log_msg("alloc_MSR_sparse_arrays...");
alloc_MSR_sparse_arrays(&ija,
&a,
&a_old,
0,
node_to_fill,
exo,
dpi);
/*
* An attic to store external dofs column names is needed when
* running in parallel.
*/
alloc_extern_ija_buffer(num_universe_dofs,
num_internal_dofs+num_boundary_dofs,
ija, &ija_attic);
/*
* Any necessary one time initialization of the linear
* solver package (Aztec).
*/
ams[JAC]->bindx = ija;
ams[JAC]->val = a;
ams[JAC]->belfry = ija_attic;
ams[JAC]->val_old = a_old;
/*
* These point to nowhere since we're using MSR instead of VBR
* format.
*/
ams[JAC]->indx = NULL;
ams[JAC]->bpntr = NULL;
ams[JAC]->rpntr = NULL;
ams[JAC]->cpntr = NULL;
ams[JAC]->npn = dpi->num_internal_nodes + dpi->num_boundary_nodes;
ams[JAC]->npn_plus = dpi->num_internal_nodes + dpi->num_boundary_nodes + dpi->num_external_nodes;
ams[JAC]->npu = num_internal_dofs+num_boundary_dofs;
ams[JAC]->npu_plus = num_universe_dofs;
ams[JAC]->nnz = ija[num_internal_dofs+num_boundary_dofs] - 1;
ams[JAC]->nnz_plus = ija[num_universe_dofs];
}
else if( strcmp( Matrix_Format, "vbr" ) == 0)
{
log_msg("alloc_VBR_sparse_arrays...");
alloc_VBR_sparse_arrays ( ams[JAC],
exo,
dpi);
ija_attic = NULL;
ams[JAC]->belfry = ija_attic;
a = ams[JAC]->val;
if( !save_old_A ) a_old = ams[JAC]->val_old;
}
else if ( strcmp( Matrix_Format, "front") == 0 )
{
/* Don't allocate any sparse matrix space when using front */
ams[JAC]->bindx = NULL;
ams[JAC]->val = NULL;
ams[JAC]->belfry = NULL;
ams[JAC]->val_old = NULL;
ams[JAC]->indx = NULL;
ams[JAC]->bpntr = NULL;
ams[JAC]->rpntr = NULL;
ams[JAC]->cpntr = NULL;
}
else
{
EH(-1,"Attempted to allocate unknown sparse matrix format");
}
init_vec(x, cx, exo, dpi, x_AC, nAC, &timeValueRead);
/* if read ACs, update data floats */
if (nAC > 0)
{
if(augc[0].iread == 1)
{
for(iAC=0 ; iAC<nAC ; iAC++)
{ update_parameterAC(iAC, x, xdot, x_AC, cx, exo, dpi); }
}
}
/*
* set boundary conditions on the initial conditions
*/
find_and_set_Dirichlet(x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
dcopy1(numProcUnknowns,x,x_old);
dcopy1(numProcUnknowns,x_old,x_older);
dcopy1(numProcUnknowns,x_older,x_oldest);
if( nAC > 0)
{
dcopy1(nAC,x_AC, x_AC_old);}
/*
* initialize the counters for when to print out data
*/
step_print = 1;
matrix_systems_mask = 1;
log_msg("sl_init()...");
sl_init(matrix_systems_mask, ams, exo, dpi, cx);
#ifdef PARALLEL
/*
* Make sure the solver was properly initialized on all processors.
*/
check_parallel_error("Solver initialization problems");
#endif
ams[JAC]->options[AZ_keep_info] = 1;
DPRINTF(stderr, "\nINITIAL ELEMENT QUALITY CHECK---\n");
good_mesh = element_quality(exo, x, ams[0]->proc_config);
/*
* set the number of successful path steps to zero
*/
nt = 0;
/*
* LOOP THROUGH PARAMETER UNTIL MAX NUMBER
* OF STEPS SURPASSED
*/
for (n=0;n<MaxPathSteps;n++) {
alqALC = 1;
for (iHC=0;iHC<nHC;iHC++) {
switch (aldALC[iHC]) {
case -1: /* REDUCING PARAMETER DIRECTION */
if (path1[iHC] <= lambdaEnd[iHC]) {
alqALC = -1;
path1[iHC] = lambdaEnd[iHC];
delta_s[iHC] = path[iHC]-path1[iHC];
}
break;
case +1: /* RISING PARAMETER DIRECTION */
if (path1[iHC] >= lambdaEnd[iHC]) {
alqALC = -1;
path1[iHC] = lambdaEnd[iHC];
delta_s[iHC] = path1[iHC]-path[iHC];
}
break;
}
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterHC(iHC, path1[iHC], x, xdot, x_AC, delta_s[iHC], cx, exo, dpi);
} /* end of iHC loop */
if(hunt[0].EndParameterValue == hunt[0].BegParameterValue)
{ hunt_par = 1.0; }
else
{
hunt_par = (path1[0]-hunt[0].BegParameterValue)
/(hunt[0].EndParameterValue - hunt[0].BegParameterValue) ;
hunt_par=fabs(hunt_par);
}
/*
* IF STEP CHANGED, REDO FIRST ORDER PREDICTION
*/
if(alqALC == -1)
{
DPRINTF(stderr,"\n\t ******** LAST PATH STEP!\n");
dcopy1(numProcUnknowns,x_old,x);
dhunt_par = hunt_par-hunt_par_old;
switch (Continuation) {
case HUN_ZEROTH:
break;
case HUN_FIRST:
v1add(numProcUnknowns, &x[0], dhunt_par, &x_sens[0]);
break;
}
}
/*
* reset Dirichlet condition Mask, node->DBC to -1 where it
* is set in order for Dirichlet conditions to be
* set appropriately for each path step
*/
nullify_dirichlet_bcs();
find_and_set_Dirichlet (x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
if(ProcID ==0) {
DPRINTF(stderr, "\n\t----------------------------------");
switch (Continuation) {
case HUN_ZEROTH:
DPRINTF(stderr, "\n\tZero Order Hunting:");
break;
case HUN_FIRST:
DPRINTF(stderr, "\n\tFirst Order Hunting:");
break; }
DPRINTF(stderr, "\n\tStep number: %4d of %4d (max)", n+1, MaxPathSteps);
DPRINTF(stderr, "\n\tAttempting solution at: theta = %g",hunt_par);
for (iHC=0;iHC<nHC;iHC++) {
switch (hunt[iHC].Type) {
case 1: /* BC */
DPRINTF(stderr, "\n\tBCID=%3d DFID=%5d", hunt[iHC].BCID, hunt[iHC].DFID);
break;
case 2: /* MT */
DPRINTF(stderr, "\n\tMTID=%3d MPID=%5d", hunt[iHC].MTID, hunt[iHC].MPID);
break;
case 3: /* AC */
DPRINTF(stderr, "\n\tACID=%3d DFID=%5d", hunt[iHC].BCID, hunt[iHC].DFID);
break;
}
DPRINTF(stderr, " Parameter= % 10.6e delta_s= %10.6e", path1[iHC], delta_s[iHC]);
}
}
ni = 0;
do {
#ifdef DEBUG
fprintf(stderr, "%s: starting solve_nonlinear_problem\n", yo);
#endif
err = solve_nonlinear_problem(ams[JAC],
x,
delta_t,
theta,
x_old,
x_older,
xdot,
xdot_old,
resid_vector,
x_update,
scale,
&converged,
&nprint,
tev,
tev_post,
NULL,
rd,
gindex,
p_gsize,
gvec,
gvec_elem,
path1[0],
exo,
dpi,
cx,
0,
&path_step_reform,
is_steady_state,
x_AC,
x_AC_dot,
hunt_par,
resid_vector_sens,
x_sens,
x_sens_p,
NULL);
#ifdef DEBUG
fprintf(stderr, "%s: returned from solve_nonlinear_problem\n", yo);
#endif
if (err == -1) converged = 0;
inewton = err;
if (converged)
{
EH(error, "error writing ASCII soln file."); /* srs need to check */
if (Write_Intermediate_Solutions == 0) {
#ifdef DEBUG
fprintf(stderr, "%s: write_solution call WIS\n", yo);
#endif
write_solution(ExoFileOut, resid_vector, x, x_sens_p, x_old,
xdot, xdot_old, tev, tev_post,NULL, rd, gindex,
p_gsize, gvec, gvec_elem, &nprint, delta_s[0],
theta, path1[0], NULL, exo, dpi);
#ifdef DEBUG
fprintf(stderr, "%s: write_solution end call WIS\n", yo);
#endif
}
/*
* PRINT OUT VALUES OF EXTRA UNKNOWNS
* FROM AUGMENTING CONDITIONS
*/
if (nAC > 0)
{
DPRINTF(stderr, "\n------------------------------\n");
DPRINTF(stderr, "Augmenting Conditions: %4d\n", nAC);
DPRINTF(stderr, "Number of extra unknowns: %4d\n\n", nAC);
for (iAC = 0; iAC < nAC; iAC++)
{
if (augc[iAC].Type == AC_USERBC)
{
DPRINTF(stderr, "\tAC[%4d] DF[%4d] = %10.6e\n",
augc[iAC].BCID, augc[iAC].DFID, x_AC[iAC]);
}
else if (augc[iAC].Type == AC_USERMAT ||
augc[iAC].Type == AC_FLUX_MAT )
{
DPRINTF(stderr, "\n MT[%4d] MP[%4d] = %10.6e\n",
augc[iAC].MTID, augc[iAC].MPID, x_AC[iAC]);
}
else if(augc[iAC].Type == AC_VOLUME)
{
evol_local = augc[iAC].evol;
#ifdef PARALLEL
if( Num_Proc > 1 ) {
MPI_Allreduce( &evol_local, &evol_global, 1,
MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
}
evol_local = evol_global;
#endif
DPRINTF(stderr, "\tMT[%4d] VC[%4d]=%10.6e Param=%10.6e\n",
augc[iAC].MTID, augc[iAC].VOLID, evol_local,
x_AC[iAC]);
}
else if(augc[iAC].Type == AC_POSITION)
{
evol_local = augc[iAC].evol;
#ifdef PARALLEL
if( Num_Proc > 1 ) {
MPI_Allreduce( &evol_local, &evol_global, 1,
MPI_DOUBLE, MPI_SUM, MPI_COMM_WORLD);
}
evol_local = evol_global;
#endif
DPRINTF(stderr, "\tMT[%4d] XY[%4d]=%10.6e Param=%10.6e\n",
augc[iAC].MTID, augc[iAC].VOLID, evol_local,
x_AC[iAC]);
}
else if(augc[iAC].Type == AC_FLUX)
{
DPRINTF(stderr, "\tBC[%4d] DF[%4d]=%10.6e\n",
augc[iAC].BCID, augc[iAC].DFID, x_AC[iAC]);
}
}
}
/* Check element quality */
good_mesh = element_quality(exo, x, ams[0]->proc_config);
/*
INTEGRATE FLUXES, FORCES
*/
for (i = 0; i < nn_post_fluxes; i++)
{
err_dbl = evaluate_flux ( exo, dpi,
pp_fluxes[i]->ss_id,
pp_fluxes[i]->flux_type ,
pp_fluxes[i]->flux_type_name ,
pp_fluxes[i]->blk_id ,
pp_fluxes[i]->species_number,
pp_fluxes[i]->flux_filenm,
pp_fluxes[i]->profile_flag,
x,xdot,NULL,delta_s[0],path1[0],1);
}
/*
COMPUTE FLUX, FORCE SENSITIVITIES
*/
for (i = 0; i < nn_post_fluxes_sens; i++)
{
err_dbl = evaluate_flux_sens ( exo, dpi,
pp_fluxes_sens[i]->ss_id,
pp_fluxes_sens[i]->flux_type ,
pp_fluxes_sens[i]->flux_type_name ,
pp_fluxes_sens[i]->blk_id ,
pp_fluxes_sens[i]->species_number,
pp_fluxes_sens[i]->sens_type,
pp_fluxes_sens[i]->sens_id,
pp_fluxes_sens[i]->sens_flt,
pp_fluxes_sens[i]->sens_flt2,
pp_fluxes_sens[i]->vector_id,
pp_fluxes_sens[i]->flux_filenm,
pp_fluxes_sens[i]->profile_flag,
x,xdot,x_sens_p,delta_s[0],path1[0],1);
}
/*
* Compute global volumetric quantities
*/
for (i = 0; i < nn_volume; i++ ) {
evaluate_volume_integral(exo, dpi,
pp_volume[i]->volume_type,
pp_volume[i]->volume_name,
pp_volume[i]->blk_id,
pp_volume[i]->species_no,
pp_volume[i]->volume_fname,
pp_volume[i]->params,
NULL, x, xdot, delta_s[0],
path1[0], 1);
}
} /* end of if converged block */
/*
* INCREMENT COUNTER
*/
ni++;
/*
*
* DID IT CONVERGE ?
* IF NOT, REDUCE STEP SIZE AND TRY AGAIN
*
*/
if (!converged) {
if (ni > 10) {
DPRINTF(stderr,"\n ************************************\n");
DPRINTF(stderr," W: Did not converge in Newton steps.\n");
DPRINTF(stderr," Find better initial guess. \n");
DPRINTF(stderr," ************************************\n");
exit(0);
}
/*
* ADJUST STEP SIZE - unless failed on first step
*/
if ( nt != 0 )
{
DPRINTF(stderr, "\n\tFailed to converge:\n");
for (iHC=0;iHC<nHC;iHC++) {
delta_s[iHC] *= 0.5;
switch (aldALC[iHC]) {
case -1:
path1[iHC] = path[iHC] - delta_s[iHC];
break;
case +1:
path1[iHC] = path[iHC] + delta_s[iHC];
break;
}
/*
* RESET
*/
alqALC = 1;
DPRINTF(stderr, "Decreasing step-length to %10.6e.\n", delta_s[iHC]);
if (delta_s[iHC] < hDelta_s_min[iHC]) {
DPRINTF(stderr,"\n X: C step-length reduced below minimum.");
DPRINTF(stderr,"\n Program terminated.\n");
/* This needs to have a return value of 0, indicating
* success, for the continuation script to not treat this
* as a failed command. */
exit(0);
}
#ifdef PARALLEL
check_parallel_error("\t");
#endif
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterHC(iHC, path1[iHC], x, xdot, x_AC, delta_s[iHC], cx, exo, dpi);
} /* end of iHC loop */
if(hunt[0].EndParameterValue == hunt[0].BegParameterValue)
{ hunt_par = 1.0; }
else
{
hunt_par = (path1[0]-hunt[0].BegParameterValue)
/(hunt[0].EndParameterValue - hunt[0].BegParameterValue) ;
hunt_par=fabs(hunt_par);
}
/*
* GET ZERO OR FIRST ORDER PREDICTION
*/
dhunt_par = hunt_par-hunt_par_old;
switch (Continuation) {
case HUN_ZEROTH:
vcopy(numProcUnknowns, &x[0], 1.0, &x_old[0]);
break;
case HUN_FIRST:
v2sum(numProcUnknowns, &x[0], 1.0, &x_old[0], dhunt_par, &x_sens[0]);
break;
}
/* MMH: Needed to put this in, o/w it may find that the
* solution and residual HAPPEN to satisfy the convergence
* criterion for the next newton solve...
*/
find_and_set_Dirichlet(x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
if (nAC > 0)
{
dcopy1(nAC, x_AC_old, x_AC);
for(iAC=0 ; iAC<nAC ; iAC++)
{ update_parameterAC(iAC, x, xdot, x_AC, cx, exo, dpi); }
}
if(hunt[0].EndParameterValue == hunt[0].BegParameterValue)
{ hunt_par = 1.0; }
else
{
hunt_par = (path1[0]-hunt[0].BegParameterValue)
/(hunt[0].EndParameterValue - hunt[0].BegParameterValue) ;
hunt_par=fabs(hunt_par);
}
}
else if (inewton == -1)
{
DPRINTF(stderr,"\nHmm... trouble on first step \n Let's try some more relaxation \n");
if((damp_factor1 <= 1. && damp_factor1 >= 0.) &&
(damp_factor2 <= 1. && damp_factor2 >= 0.) &&
(damp_factor3 <= 1. && damp_factor3 >= 0.))
{
custom_tol1 *= 0.01;
custom_tol2 *= 0.01;
custom_tol3 *= 0.01;
DPRINTF(stderr," custom tolerances %g %g %g \n",custom_tol1,custom_tol2,custom_tol3);
}
else
{
damp_factor1 *= 0.5;
DPRINTF(stderr," damping factor %g \n",damp_factor1);
}
vcopy(numProcUnknowns, &x[0], 1.0, &x_old[0]);
/* MMH: Needed to put this in, o/w it may find that the
* solution and residual HAPPEN to satisfy the convergence
* criterion for the next newton solve...
*/
find_and_set_Dirichlet(x, xdot, exo, dpi);
exchange_dof(cx, dpi, x);
if (nAC > 0)
{
dcopy1(nAC, x_AC_old, x_AC);
for(iAC=0 ; iAC<nAC ; iAC++)
{ update_parameterAC(iAC, x, xdot, x_AC, cx, exo, dpi); }
}
}
else
{
DPRINTF(stderr,"\nHmm... could not converge on first step\n Let's try some more iterations\n");
if((damp_factor1 <= 1. && damp_factor1 >= 0.) &&
(damp_factor2 <= 1. && damp_factor2 >= 0.) &&
(damp_factor3 <= 1. && damp_factor3 >= 0.))
{
custom_tol1 *= 100.;
custom_tol2 *= 100.;
custom_tol3 *= 100.;
DPRINTF(stderr," custom tolerances %g %g %g \n",custom_tol1,custom_tol2,custom_tol3);
}
else
{
damp_factor1 *= 2.0;
damp_factor1 = MIN(damp_factor1,1.0);
DPRINTF(stderr," damping factor %g \n",damp_factor1);
}
}
} /* end of !converged */
} while (converged == 0);
/*
* CONVERGED
*/
nt++;
custom_tol1 = toler_org[0];
custom_tol2 = toler_org[1];
custom_tol3 = toler_org[2];
damp_factor1 = damp_org;
DPRINTF(stderr,
"\n\tStep accepted, theta (proportion complete) = %10.6e\n",
hunt_par);
for (iHC=0;iHC<nHC;iHC++) {
switch (hunt[iHC].Type) {
case 1: /* BC */
DPRINTF(stderr, "\tStep accepted, BCID=%3d DFID=%5d",
hunt[iHC].BCID, hunt[iHC].DFID);
break;
case 2: /* MT */
DPRINTF(stderr, "\tStep accepted, MTID=%3d MPID=%5d",
hunt[iHC].MTID, hunt[iHC].MPID);
break;
case 3: /* AC */
DPRINTF(stderr, "\tStep accepted, ACID=%3d DFID=%5d",
hunt[iHC].BCID, hunt[iHC].DFID);
break;
}
DPRINTF(stderr, " Parameter= % 10.6e\n", path1[iHC]);
}
/*
* check path step error, if too large do not enlarge path step
*/
for (iHC=0;iHC<nHC;iHC++) {
if ((ni == 1) && (n != 0) && (!const_delta_s[iHC]))
{
delta_s_new[iHC] = path_step_control(num_total_nodes,
delta_s[iHC], delta_s_old[iHC],
x,
eps,
&success_ds,
cont->use_var_norm, inewton);
if (delta_s_new[iHC] > hDelta_s_max[iHC]) {delta_s_new[iHC] = hDelta_s_max[iHC];}
}
else
{
success_ds = 1;
delta_s_new[iHC] = delta_s[iHC];
}
}
/*
* determine whether to print out the data or not
*/
i_print = 0;
if (nt == step_print) {
i_print = 1;
step_print += cont->print_freq; }
if (alqALC == -1)
{ i_print = 1; }
if (i_print) {
error = write_ascii_soln(x, resid_vector, numProcUnknowns,
x_AC, nAC, path1[0], file);
if (error) {
DPRINTF(stderr, "%s: error writing ASCII soln file\n", yo);
}
if ( Write_Intermediate_Solutions == 0 ) {
write_solution(ExoFileOut, resid_vector, x, x_sens_p,
x_old, xdot, xdot_old, tev, tev_post, NULL,
rd, gindex, p_gsize, gvec, gvec_elem, &nprint,
delta_s[0], theta, path1[0], NULL, exo, dpi);
nprint++;
}
}
/*
* backup old solutions
* can use previous solutions for prediction one day
*/
dcopy1(numProcUnknowns,x_older,x_oldest);
dcopy1(numProcUnknowns,x_old,x_older);
dcopy1(numProcUnknowns,x,x_old);
dcopy1(nHC,delta_s_older,delta_s_oldest);
dcopy1(nHC,delta_s_old ,delta_s_older );
dcopy1(nHC,delta_s ,delta_s_old );
dcopy1(nHC,delta_s_new ,delta_s );
/*
delta_s_oldest = delta_s_older;
delta_s_older = delta_s_old;
delta_s_old = delta_s;
delta_s = delta_s_new;
*/
hunt_par_old=hunt_par;
if ( nAC > 0) {
dcopy1(nAC, x_AC, x_AC_old);
}
/*
* INCREMENT/DECREMENT PARAMETER
*/
for (iHC=0;iHC<nHC;iHC++) {
path[iHC] = path1[iHC];
switch (aldALC[iHC]) {
case -1:
path1[iHC] = path[iHC] - delta_s[iHC];
break;
case +1:
path1[iHC] = path[iHC] + delta_s[iHC];
break;
}
/*
* ADJUST NATURAL PARAMETER
*/
update_parameterHC(iHC, path1[iHC], x, xdot, x_AC, delta_s[iHC], cx, exo, dpi);
} /* end of iHC loop */
/*
* GET FIRST ORDER PREDICTION
*/
if(hunt[0].EndParameterValue == hunt[0].BegParameterValue)
{ hunt_par = 1.0; }
else
{
hunt_par = (path1[0]-hunt[0].BegParameterValue)
/(hunt[0].EndParameterValue - hunt[0].BegParameterValue) ;
hunt_par=fabs(hunt_par);
}
dhunt_par = hunt_par-hunt_par_old;
switch (Continuation) {
case HUN_ZEROTH:
break;
case HUN_FIRST:
v1add(numProcUnknowns, &x[0], dhunt_par, &x_sens[0]);
break; }
if (!good_mesh) goto free_and_clear;
/*
*
* CHECK END CONTINUATION
*
*/
if (alqALC == -1)
{ alqALC = 0; }
else
{ alqALC = 1; }
if (alqALC == 0) {
DPRINTF(stderr,"\n\n\t I will continue no more!\n\t No more continuation for you!\n");
goto free_and_clear;
}
} /* n */
if(n == MaxPathSteps &&
aldALC[0] * (lambdaEnd[0] - path[0]) > 0)
{
DPRINTF(stderr,"\n\tFailed to reach end of hunt in maximum number of successful steps (%d).\n\tSorry.\n",
MaxPathSteps);
exit(0);
}
#ifdef PARALLEL
check_parallel_error("Hunting error");
#endif
/*
* DONE CONTINUATION
*/
free_and_clear:
/*
* Transform the node point coordinates according to the
* displacements and write out all the results using the
* displaced coordinates. Set the displacement field to
* zero, too.
*/
if (Anneal_Mesh) {
#ifdef DEBUG
fprintf(stderr, "%s: anneal_mesh()...\n", yo);
#endif
err = anneal_mesh(x, tev, tev_post, NULL, rd, path1[0], exo, dpi);
#ifdef DEBUG
DPRINTF(stderr, "%s: anneal_mesh()-done\n", yo);
#endif
EH(err, "anneal_mesh() bad return.");
}
/*
* Free a bunch of variables that aren't needed anymore
*/
safer_free((void **) &ROT_Types);
safer_free((void **) &node_to_fill);
safer_free( (void **) &resid_vector);
safer_free( (void **) &resid_vector_sens);
safer_free( (void **) &scale);
safer_free( (void **) &x);
if (nAC > 0) {
safer_free( (void **) &x_AC);
safer_free( (void **) &x_AC_old);
safer_free( (void **) &x_AC_dot);
}
safer_free( (void **) &x_old);
safer_free( (void **) &x_older);
safer_free( (void **) &x_oldest);
safer_free( (void **) &xdot);
safer_free( (void **) &xdot_old);
safer_free( (void **) &x_update);
safer_free( (void **) &x_sens);
if((nn_post_data_sens+nn_post_fluxes_sens) > 0)
Dmatrix_death(x_sens_p,num_pvector,numProcUnknowns);
for(i = 0; i < MAX_NUMBER_MATLS; i++) {
for(n = 0; n < MAX_MODES; n++) {
safer_free((void **) &(ve_glob[i][n]->gn));
safer_free((void **) &(ve_glob[i][n]));
}
safer_free((void **) &(vn_glob[i]));
}
sl_free(matrix_systems_mask, ams);
for (i=0;i<NUM_ALSS;i++) {
safer_free( (void**) &(ams[i]));
}
safer_free( (void **) &gvec);
safer_free( (void **) &lambda);
safer_free( (void **) &lambdaEnd);
safer_free( (void **) &path);
safer_free( (void **) &path1);
safer_free( (void **) &hDelta_s0);
safer_free( (void **) &hDelta_s_min);
safer_free( (void **) &hDelta_s_max);
safer_free( (void **) &delta_s);
safer_free( (void **) &delta_s_new);
safer_free( (void **) &delta_s_old);
safer_free( (void **) &delta_s_older);
safer_free( (void **) &delta_s_oldest);
Ivector_death(&aldALC[0], nHC);
Ivector_death(&const_delta_s[0], nHC);
i = 0;
for ( eb_indx = 0; eb_indx < exo->num_elem_blocks; eb_indx++ ) {
for ( ev_indx = 0; ev_indx < rd->nev; ev_indx++ ) {
if ( exo->elem_var_tab[i++] == 1 ) {
safer_free ((void **) &(gvec_elem [eb_indx][ev_indx]) );
}
}
safer_free ((void **) &(gvec_elem [eb_indx]));
}
safer_free( (void **) &gvec_elem);
safer_free( (void **) &rd);
safer_free( (void **) &Local_Offset);
safer_free( (void **) &Dolphin);
if( strlen( Soln_OutFile) )
{
fclose(file);
}
return;
} /* END of routine hunt_problem */