void ShapeImprovementWrapper::run_wrapper( Mesh* mesh,
ParallelMesh* pmesh,
MeshDomain* domain,
Settings* settings,
QualityAssessor* qa,
MsqError& err )
{
// Define an untangler
UntangleBetaQualityMetric untangle_metric( untBeta );
LPtoPTemplate untangle_func( 2, &untangle_metric );
ConjugateGradient untangle_global( &untangle_func );
TerminationCriterion untangle_inner, untangle_outer;
untangle_global.use_global_patch();
untangle_inner.add_absolute_quality_improvement( 0.0 );
untangle_inner.add_absolute_successive_improvement( successiveEps );
untangle_outer.add_iteration_limit( 1 );
untangle_global.set_inner_termination_criterion( &untangle_inner );
untangle_global.set_outer_termination_criterion( &untangle_outer );
// define shape improver
IdealWeightInverseMeanRatio inverse_mean_ratio;
inverse_mean_ratio.set_averaging_method( QualityMetric::LINEAR );
LPtoPTemplate obj_func( 2, &inverse_mean_ratio );
FeasibleNewton feas_newt( &obj_func );
TerminationCriterion term_inner, term_outer;
feas_newt.use_global_patch();
qa->add_quality_assessment( &inverse_mean_ratio );
term_inner.add_absolute_gradient_L2_norm( gradNorm );
term_inner.add_relative_successive_improvement( successiveEps );
term_outer.add_iteration_limit( pmesh ? parallelIterations : 1 );
feas_newt.set_inner_termination_criterion( &term_inner );
feas_newt.set_outer_termination_criterion( &term_outer );
// Apply CPU time limit to untangler
if (maxTime > 0.0)
untangle_inner.add_cpu_time( maxTime );
// Run untangler
InstructionQueue q1;
Timer totalTimer;
q1.set_master_quality_improver( &untangle_global, err ); MSQ_ERRRTN(err);
q1.add_quality_assessor( qa, err ); MSQ_ERRRTN(err);
q1.run_common( mesh, pmesh, domain, settings, err ); MSQ_ERRRTN(err);
// If limited by CPU time, limit next step to remaning time
if (maxTime > 0.0) {
double remaining = maxTime - totalTimer.since_birth();
if (remaining <= 0.0 ){
MSQ_DBGOUT(2) << "Optimization is terminating without perfoming shape improvement." << std::endl;
remaining = 0.0;
}
term_inner.add_cpu_time( remaining );
}
// Run shape improver
InstructionQueue q2;
q2.set_master_quality_improver( &feas_newt, err ); MSQ_ERRRTN(err);
q2.add_quality_assessor( qa, err ); MSQ_ERRRTN(err);
q2.run_common( mesh, pmesh, domain, settings, err ); MSQ_ERRRTN(err);
}
void PMMParallelReferenceMeshSmoother::run_wrapper( Mesh* mesh,
ParallelMesh* pmesh,
MeshDomain* domain,
Settings* settings,
QualityAssessor* qa,
MsqError& err )
{
std::cout << "\nP[" << Mesquite::get_parallel_rank() << "] tmp srk PMMParallelReferenceMeshSmoother innerIter= " << innerIter << " parallelIterations= " << parallelIterations << std::endl;
//if (!get_parallel_rank())
std::cout << "\nP[" << get_parallel_rank() << "] tmp srk PMMParallelReferenceMeshSmoother: running shape improver... \n" << std::endl;
PerceptMesquiteMesh *pmm = dynamic_cast<PerceptMesquiteMesh *>(mesh);
PerceptMesh *eMesh = pmm->getPerceptMesh();
m_pmm= pmm;
m_eMesh = eMesh;
m_num_nodes = m_eMesh->get_number_nodes();
print_comm_list(*eMesh->get_bulk_data(), false);
stk::mesh::FieldBase *coord_field = eMesh->get_coordinates_field();
stk::mesh::FieldBase *coord_field_current = coord_field;
stk::mesh::FieldBase *coord_field_projected = eMesh->get_field("coordinates_N");
stk::mesh::FieldBase *coord_field_original = eMesh->get_field("coordinates_NM1");
stk::mesh::FieldBase *coord_field_lagged = eMesh->get_field("coordinates_lagged");
m_coord_field_original = coord_field_original;
m_coord_field_projected = coord_field_projected;
m_coord_field_lagged = coord_field_lagged;
m_coord_field_current = coord_field_current;
eMesh->copy_field(coord_field_lagged, coord_field_original);
// untangle
PMMSmootherMetricUntangle untangle_metric(eMesh);
// shape-size-orient smooth
PMMSmootherMetricShapeSizeOrient shape_metric(eMesh);
// shape
PMMSmootherMetricShapeB1 shape_b1_metric(eMesh);
// scaled jacobian
PMMSmootherMetricScaledJacobianElemental scaled_jac_metric(eMesh);
// scaled jacobian - nodal
PMMSmootherMetricScaledJacobianNodal scaled_jac_metric_nodal(eMesh);
//double omegas[] = {0.0, 0.001, 0.01, 0.1, 0.2, 0.4, 0.6, 0.8, 1.0};
//double omegas[] = {0.001, 1.0};
//double omegas[] = { 0.001, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1, 0.2, 0.4, 0.45,0.46,0.47,0.48,0.49,0.5,0.52,0.54,0.56,0.59, 0.6, 0.8, 1.0};
double omegas[] = { 1.0};
//double omegas[] = {0.0, 0.001, 0.01, 0.1, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.2, 0.4, 0.6, 0.8, 1.0};
int nomega = sizeof(omegas)/sizeof(omegas[0]);
for (int outer = 0; outer < nomega; outer++)
{
double omega = (outer < nomega ? omegas[outer] : 1.0);
m_omega = omega;
m_omega_prev = omega;
if (outer > 0) m_omega_prev = omegas[outer-1];
// set current state and evaluate mesh validity (current = omega*project + (1-omega)*original)
eMesh->nodal_field_axpbypgz(omega, coord_field_projected, (1.0-omega), coord_field_original, 0.0, coord_field_current);
int num_invalid = PMMParallelShapeImprover::parallel_count_invalid_elements(m_eMesh);
if (!get_parallel_rank())
std::cout << "\ntmp srk PMMParallelReferenceMeshSmoother num_invalid current= " << num_invalid << " for outer_iter= " << outer
<< " omega= " << omega
<< (num_invalid ? " WARNING: invalid elements exist before Mesquite smoothing" : " OK")
<< std::endl;
//if (num_invalid) return;
m_num_invalid = num_invalid;
m_untangled = (m_num_invalid == 0);
int iter_all=0;
int do_anim = 0; // = frequency of anim writes
if (do_anim)
{
eMesh->save_as("anim_all."+toString(iter_all)+".e");
}
for (int stage = 0; stage < 2; stage++)
{
m_stage = stage;
if (stage==0)
{
m_metric = &untangle_metric;
//m_metric = &scaled_jac_metric_nodal;
}
else
{
int num_invalid_1 = PMMParallelShapeImprover::parallel_count_invalid_elements(m_eMesh);
VERIFY_OP_ON(num_invalid_1, ==, 0, "Invalid elements exist for start of stage 2, aborting");
//m_metric = &shape_metric;
m_metric = &shape_b1_metric;
//m_metric = &scaled_jac_metric;
}
for (int iter = 0; iter < innerIter; ++iter, ++iter_all)
{
m_iter = iter;
int num_invalid_0 = PMMParallelShapeImprover::parallel_count_invalid_elements(m_eMesh);
m_num_invalid = num_invalid_0;
// if (!get_parallel_rank() && num_invalid_0)
// std::cout << "\ntmp srk PMMParallelReferenceMeshSmoother num_invalid current= " << num_invalid_0
// << (num_invalid ? " WARNING: invalid elements exist before Mesquite smoothing" : "OK")
// << std::endl;
m_global_metric = run_one_iteration(mesh, domain, err);
sync_fields(iter);
num_invalid_0 = PMMParallelShapeImprover::parallel_count_invalid_elements(m_eMesh);
m_num_invalid = num_invalid_0;
bool conv = check_convergence();
if (!get_parallel_rank())
{
std::cout << "P[" << get_parallel_rank() << "] " << "tmp srk iter= " << iter << " dmax= " << m_dmax << " m_dnew= " << m_dnew
<< " m_d0= " << m_d0 << " m_alpha= " << m_alpha << " m_grad_norm= " << m_grad_norm << " m_scaled_grad_norm = " << m_scaled_grad_norm
<< " num_invalid= " << num_invalid_0
<< " m_global_metric= " << m_global_metric << " m_untangled= " << m_untangled
<< std::endl;
}
if (do_anim)
{
eMesh->save_as("iter_"+toString(outer)+"_"+toString(stage)+"."+toString(iter+1)+".e");
if (iter_all % do_anim == 0) eMesh->save_as("anim_all."+toString(iter_all+1)+".e");
}
if (!m_untangled && m_num_invalid == 0)
{
m_untangled = true;
}
if (conv && m_untangled) break;
//if (iter == 5) break;
//if (iter == 0) exit(1);
}
eMesh->save_as("outer_iter_"+toString(outer)+"_"+toString(stage)+"_mesh.e");
}
eMesh->copy_field(coord_field_lagged, coord_field);
}
//if (!get_parallel_rank())
MPI_Barrier( MPI_COMM_WORLD );
std::cout << "\nP[" << get_parallel_rank() << "] tmp srk PMMParallelReferenceMeshSmoother: running shape improver... done \n" << std::endl;
MSQ_ERRRTN(err);
}
