Hierarchy *makeHier(int nn, int ne, v_data * graph, double *x_coords,
double *y_coords, hierparms_t* parms)
{
v_data *delaunay;
ex_vtx_data *geom_graph;
int ngeom_edges;
Hierarchy *hp;
int i;
delaunay = UG_graph(x_coords, y_coords, nn, 0);
ngeom_edges =
init_ex_graph(delaunay, graph, nn, x_coords, y_coords,
&geom_graph);
free(delaunay[0].edges);
free(delaunay);
hp = create_hierarchy(graph, nn, ne, geom_graph, ngeom_edges, parms);
free(geom_graph[0].edges);
free(geom_graph);
init_active_level(hp, 0);
geom_graph = hp->geom_graphs[0];
for (i = 0; i < hp->nvtxs[0]; i++) {
geom_graph[i].physical_x_coord = (float) x_coords[i];
geom_graph[i].physical_y_coord = (float) y_coords[i];
}
/* dumpHier (hp); */
return hp;
}
int
main(int argc, char **argv)
{
int nItCG, nLevel = 2;
long TIME[9];
int nBdry = 2;
pcoo S = new_coo(1,1,1);
pcrs A = new_crs(1,1,1);
pindexmatrix edgeno = new_indexmatrix(0,0);
pindexmatrix *s2p = NULL;
pindexvector *fixedNodes = NULL;
pindexvector material;
prealmatrix coordinates;
pindexmatrix elements;
pindexmatrix elements2edges;
pindexvector bdrytyp = new_indexvector(2);
pindexmatrix bdrylist[2];
pindexvector bdry2edgeslist[2];
prealvector rhs;
prealvector sol;
/* Number of refinements */
if (argc>1){
if (atoi(argv[1]) < 12) nLevel = atoi(argv[1]);
}
/* Load geometry */
material
= load_indexvector("./Tests/Example1/material.dat");
coordinates
= load_realmatrix("./Tests/Example1/coordinates.dat",(index)2,1);
elements
= load_indexmatrix("./Tests/Example1/elements.dat",3,1);
elements2edges
= load_indexmatrix("./Tests/Example1/elements2edges.dat",3,1);
bdrytyp->vals[0] = 0;
bdrytyp->vals[1] = 1;
bdrylist[0] = load_indexmatrix("./Tests/Example1/Dirichlet.dat",2,1);
bdrylist[1] = load_indexmatrix("./Tests/Example1/Neumann.dat",2,1);
bdry2edgeslist[0] = load_indexvector("./Tests/Example1/Dirichlet2edges.dat");
bdry2edgeslist[1] = load_indexvector("./Tests/Example1/Neumann2edges.dat");
/* Show geometry */
printf("====================\n");
printf("coordinates:\n");
printf("====================\n");
print_realmatrix(coordinates);
printf("====================\n");
printf("elements:\n");
printf("====================\n");
print_indexmatrix(elements);
printf("====================\n");
printf("elements2edges:\n");
printf("====================\n");
print_indexmatrix(elements2edges);
printf("====================\n");
printf("material:\n");
printf("====================\n");
print_indexvector(material);
printf("====================\n");
printf("bdrylist:\n");
printf("====================\n");
print_indexmatrix(bdrylist[0]);
printf("--------------------\n");
print_indexmatrix(bdrylist[1]);
printf("====================\n");
printf("bdry2edgeslist:\n");
printf("====================\n");
print_indexvector(bdry2edgeslist[0]);
printf("--------------------\n");
print_indexvector(bdry2edgeslist[1]);
printf("====================\n");
TIME[0] = clock();
/* Refine mesh uniformly */
create_hierarchy(nLevel, /* in */
coordinates, /* in / out */
elements, /* in / out */
material, /* in / out */
elements2edges, /* in */
s2p, /* out */
nBdry, /* in */
bdrytyp, /* in */
bdrylist, /* in / out */
bdry2edgeslist, /* in / out */
NULL, /* in / out */
fixedNodes); /* in / out */
TIME[1] = clock();
write_realmatrix("./Tests/Example1/coordinates_fine.dat",coordinates,1);
write_indexmatrix("./Tests/Example1/elements_fine.dat",elements,1);
write_indexmatrix("./Tests/Example1/elements2edges_fine.dat",elements,1);
write_indexvector("./Tests/Example1/material_fine.dat",material);
write_indexmatrix("./Tests/Example1/Dirichlet_fine.dat",bdrylist[0],1);
write_indexmatrix("./Tests/Example1/Neumann_fine.dat",bdrylist[1],1);
write_indexvector("./Tests/Example1/Dirichlet2edges_fine.dat",bdry2edgeslist[0]);
write_indexvector("./Tests/Example1/Neumann2edges_fine.dat",bdry2edgeslist[1]);
rhs = new_realvector(coordinates->cols);
sol = new_realvector(coordinates->cols);
TIME[2] = clock();
buildStiffness(coordinates, elements, S);
TIME[3] = clock();
init_coo2crs(A, S);
TIME[4] = clock();
buildRhs(coordinates, elements, VolForce, rhs);
copy_realvector(sol, rhs);
setDirichletData2Rhs(coordinates, fixedNodes[0], uD, sol);
TIME[5] = clock();
nItCG = cgcrs_constrains(A,sol,rhs, fixedNodes[0],1e-6,coordinates->cols);
printf("No. iterations %i\n", nItCG);
TIME[6] = clock();
write_realvector("./Tests/Example1/sol_fine.dat",sol);
TIME[7] = clock();
printf("---------------------\n");
printf("Time for refinement = %i ms\n", ELAPSED(TIME[0],TIME[1]));
printf("Time for saving ref. mesh = %i ms\n", ELAPSED(TIME[1],TIME[2]));
printf("Time for assembling = %i ms\n", ELAPSED(TIME[2],TIME[3]));
printf("Time for COO -> CRS = %i ms\n", ELAPSED(TIME[3],TIME[4]));
printf("Time for RHS = %i ms\n", ELAPSED(TIME[4],TIME[5]));
printf("Time for solving = %i ms\n", ELAPSED(TIME[5],TIME[6]));
printf("Time store solution = %i ms\n\n", ELAPSED(TIME[6],TIME[7]));
printf("Degrees of elements / freedom %lu / %lu\n", elements->cols, coordinates->cols);
printf("---------------------\n");
del_coo(S);
del_crs(A);
del_realvector(rhs);
del_realvector(sol);
del_indexmatrix(edgeno);
del_realmatrix(coordinates);
del_indexmatrix(elements);
del_indexmatrix(elements2edges);
del_indexvector(material);
return 0;
}
