 |
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
|
|
Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
|
#include "Mesquite.hpp"#include "MsqIBase.hpp"#include "MsqIGeom.hpp"#include "MsqIMesh.hpp"#include "MBiMesh.hpp"#include "MeshImpl.hpp"#include "moab/Core.hpp"#include "moab/Skinner.hpp"#include "moab/LloydSmoother.hpp"#include "FacetModifyEngine.hpp"#include "MsqError.hpp"#include "InstructionQueue.hpp"#include "PatchData.hpp"#include "TerminationCriterion.hpp"#include "QualityAssessor.hpp"#include "SphericalDomain.hpp"#include "PlanarDomain.hpp"#include "MeshWriter.hpp"#include "moab/ProgOptions.hpp"#include "IdealWeightInverseMeanRatio.hpp"#include "TMPQualityMetric.hpp"#include "AspectRatioGammaQualityMetric.hpp"#include "ConditionNumberQualityMetric.hpp"#include "VertexConditionNumberQualityMetric.hpp"#include "MultiplyQualityMetric.hpp"#include "LPtoPTemplate.hpp"#include "LInfTemplate.hpp"#include "PMeanPTemplate.hpp"#include "SteepestDescent.hpp"#include "FeasibleNewton.hpp"#include "QuasiNewton.hpp"#include "ConjugateGradient.hpp"#include "SmartLaplacianSmoother.hpp"#include "Randomize.hpp"#include "ReferenceMesh.hpp"#include "RefMeshTargetCalculator.hpp"#include "TShapeB1.hpp"#include "TQualityMetric.hpp"#include "IdealShapeTarget.hpp"#include <sys/stat.h>#include <iostream>#include "iBase.h"
Include dependency graph for OptimizeMeshMesquite.cpp:Go to the source code of this file.
Defines | |
| #define | CHECK_IGEOM(STR) if( err != iBase_SUCCESS ) return print_iGeom_error( STR, err, geom, __FILE__, __LINE__ ) |
| #define | CHECK_IMESH(STR) if( err != iBase_SUCCESS ) return print_iMesh_error( STR, err, instance, __FILE__, __LINE__ ) |
Functions | |
| static int | print_iGeom_error (const char *desc, int err, iGeom_Instance geom, const char *file, int line) |
| static int | print_iMesh_error (const char *desc, int err, iMesh_Instance mesh, const char *file, int line) |
| int | write_vtk_mesh (Mesh *mesh, const char *filename) |
| int | get_imesh_mesh (MBMesquite::Mesh **, const char *file_name, int dimension) |
| int | get_native_mesh (MBMesquite::Mesh **, const char *file_name, int dimension) |
| int | get_itaps_domain (MeshDomain **, const char *) |
| int | get_mesquite_domain (MeshDomain **, const char *) |
| int | run_global_smoother (MeshDomainAssoc &mesh, MsqError &err, double OF_value=1e-4) |
| int | run_local_smoother (MeshDomainAssoc &mesh, MsqError &err, double OF_value=1e-3) |
| int | run_local_smoother2 (MeshDomainAssoc &mesh_and_domain, MsqError &err, double OF_value=1e-3) |
| int | run_quality_optimizer (MeshDomainAssoc &mesh_and_domain, MsqError &err) |
| int | run_solution_mesh_optimizer (MeshDomainAssoc &mesh_and_domain, MsqError &err) |
| bool | file_exists (const std::string &name) |
| int | main (int argc, char *argv[]) |
Variables | |
| const std::string | default_file_name = std::string( MESH_DIR ) + std::string( "/surfrandomtris-4part.h5m" ) |
| const std::string | default_geometry_file_name = std::string( MESH_DIR ) + std::string( "/surfrandom.facet" ) |
| std::vector< double > | solution_indicator |
| #define CHECK_IGEOM | ( | STR | ) | if( err != iBase_SUCCESS ) return print_iGeom_error( STR, err, geom, __FILE__, __LINE__ ) |
Definition at line 87 of file OptimizeMeshMesquite.cpp.
Referenced by get_itaps_domain().
| #define CHECK_IMESH | ( | STR | ) | if( err != iBase_SUCCESS ) return print_iMesh_error( STR, err, instance, __FILE__, __LINE__ ) |
Definition at line 90 of file OptimizeMeshMesquite.cpp.
Referenced by get_imesh_mesh().
| bool file_exists | ( | const std::string & | name | ) |
Definition at line 120 of file OptimizeMeshMesquite.cpp.
References buffer.
Referenced by main().
{
struct stat buffer;
return ( stat( name.c_str(), &buffer ) == 0 );
}
| int get_imesh_mesh | ( | MBMesquite::Mesh ** | mesh, |
| const char * | file_name, | ||
| int | dimension | ||
| ) |
Definition at line 594 of file OptimizeMeshMesquite.cpp.
References CHECK_IMESH, ErrorCode, moab::Skinner::find_skin(), moab::Interface::get_entities_by_dimension(), moab::Interface::get_entities_by_type(), iBase_FACE, iBase_FAILURE, iBase_REGION, iBase_SUCCESS, iMesh_getRootSet, iMesh_getTagHandle, iMesh_load, iMesh_newMesh, MB_CHK_SET_ERR, MB_TAG_CREAT, MB_TAG_DENSE, MB_TYPE_DOUBLE, MB_TYPE_INTEGER, MBVERTEX, root_set, moab::Range::size(), solution_indicator, moab::Interface::tag_get_handle(), and moab::Interface::tag_set_data().
Referenced by main().
{
int err;
iMesh_Instance instance = 0;
iMesh_newMesh( NULL, &instance, &err, 0 );
CHECK_IMESH( "Creation of mesh instance failed" );
iBase_EntitySetHandle root_set;
iMesh_getRootSet( instance, &root_set, &err );
CHECK_IMESH( "Could not get root set" );
iMesh_load( instance, root_set, file_name, 0, &err, strlen( file_name ), 0 );
CHECK_IMESH( "Could not load mesh from file" );
iBase_TagHandle fixed_tag;
iMesh_getTagHandle( instance, "fixed", &fixed_tag, &err, strlen( "fixed" ) );
// if (iBase_SUCCESS != err)
{
// get the skin vertices of those cells and mark them as fixed; we don't want to fix the
// vertices on a part boundary, but since we exchanged a layer of ghost cells, those
// vertices aren't on the skin locally ok to mark non-owned skin vertices too, I won't move
// those anyway use MOAB's skinner class to find the skin
// get all vertices and cells
// make tag to specify fixed vertices, since it's input to the algorithm; use a default
// value of non-fixed so we only need to set the fixed tag for skin vertices
moab::Interface* mbi = reinterpret_cast< MBiMesh* >( instance )->mbImpl;
moab::EntityHandle currset = 0;
moab::Tag fixed;
int def_val = 0;
err = 0;
moab::ErrorCode rval = mbi->tag_get_handle( "fixed", 1, moab::MB_TYPE_INTEGER, fixed,
moab::MB_TAG_CREAT | moab::MB_TAG_DENSE, &def_val );MB_CHK_SET_ERR( rval, "Getting tag handle failed" );
moab::Range verts, cells, skin_verts;
rval = mbi->get_entities_by_type( currset, moab::MBVERTEX, verts );MB_CHK_SET_ERR( rval, "Querying vertices failed" );
rval = mbi->get_entities_by_dimension( currset, dimension, cells );MB_CHK_SET_ERR( rval, "Querying elements failed" );
std::cout << "Found " << verts.size() << " vertices and " << cells.size() << " elements" << std::endl;
moab::Skinner skinner( mbi );
rval = skinner.find_skin( currset, cells, true, skin_verts );MB_CHK_SET_ERR( rval,
"Finding the skin of the mesh failed" ); // 'true' param indicates we want
// vertices back, not cells
std::vector< int > fix_tag( skin_verts.size(), 1 ); // initialized to 1 to indicate fixed
rval = mbi->tag_set_data( fixed, skin_verts, &fix_tag[0] );MB_CHK_SET_ERR( rval, "Setting tag data failed" );
std::cout << "Found " << skin_verts.size() << " vertices on the skin of the domain." << std::endl;
// fix_tag.resize(verts.size(),0);
// rval = mbi->tag_get_data(fixed, verts, &fix_tag[0]); MB_CHK_SET_ERR(rval, "Getting tag
// data failed");
iMesh_getTagHandle( instance, "fixed", &fixed_tag, &err, strlen( "fixed" ) );
CHECK_IMESH( "Getting tag handle (fixed) failed" );
// Set some arbitrary solution indicator
moab::Tag solindTag;
double def_val_dbl = 0.0;
rval = mbi->tag_get_handle( "solution_indicator", 1, moab::MB_TYPE_DOUBLE, solindTag,
moab::MB_TAG_CREAT | moab::MB_TAG_DENSE, &def_val_dbl );MB_CHK_SET_ERR( rval, "Getting tag handle failed" );
solution_indicator.resize( cells.size(), 0.01 );
for( unsigned i = 0; i < cells.size() / 4; i++ )
solution_indicator[i] = 0.1;
for( unsigned i = cells.size() / 4; i < 2 * cells.size() / 4; i++ )
solution_indicator[i] = 0.5;
for( unsigned i = 2 * cells.size() / 4; i < 3 * cells.size() / 4; i++ )
solution_indicator[i] = 0.5;
for( unsigned i = 3 * cells.size() / 4; i < cells.size(); i++ )
solution_indicator[i] = 0.5;
rval = mbi->tag_set_data( solindTag, cells, &solution_indicator[0] );MB_CHK_SET_ERR( rval, "Setting tag data failed" );
}
MsqError ierr;
MBMesquite::MsqIMesh* imesh =
new MBMesquite::MsqIMesh( instance, root_set, ( dimension == 3 ? iBase_REGION : iBase_FACE ), ierr,
&fixed_tag );
if( MSQ_CHKERR( ierr ) )
{
delete imesh;
cerr << err << endl;
err = iBase_FAILURE;
CHECK_IMESH( "Creation of MsqIMesh instance failed" );
return 0;
}
*mesh = imesh;
return iBase_SUCCESS;
}
| int get_itaps_domain | ( | MeshDomain ** | odomain, |
| const char * | filename | ||
| ) |
Definition at line 698 of file OptimizeMeshMesquite.cpp.
References CHECK_IGEOM, geom, iBase_SUCCESS, and root_set.
Referenced by main().
{
if( filename == 0 || strlen( filename ) == 0 )
{
*odomain = new PlanarDomain( PlanarDomain::XY );
return 0;
}
int err;
iGeom_Instance geom;
iGeom_newGeom( "", &geom, &err, 0 );
CHECK_IGEOM( "ERROR: iGeom creation failed" );
#ifdef MOAB_HAVE_CGM_FACET
FacetModifyEngine::set_modify_enabled( CUBIT_TRUE );
#endif
iGeom_load( geom, filename, 0, &err, strlen( filename ), 0 );
CHECK_IGEOM( "Cannot load the geometry" );
iBase_EntitySetHandle root_set;
iGeom_getRootSet( geom, &root_set, &err );
CHECK_IGEOM( "getRootSet failed!" );
// print out the number of entities
std::cout << "Model contents: " << std::endl;
const char* gtype[] = { "vertices: ", "edges: ", "faces: ", "regions: " };
int nents[4];
for( int i = 0; i <= 3; ++i )
{
iGeom_getNumOfType( geom, root_set, i, &nents[i], &err );
CHECK_IGEOM( "Error: problem getting entities after gLoad." );
std::cout << gtype[i] << nents[i] << std::endl;
}
iBase_EntityHandle* hd_geom_ents;
int csize = 0, sizealloc = 0;
if( nents[3] > 0 )
{
hd_geom_ents = (iBase_EntityHandle*)malloc( sizeof( iBase_EntityHandle ) * nents[2] );
csize = nents[2];
iGeom_getEntities( geom, root_set, 2, &hd_geom_ents, &csize, &sizealloc, &err );
}
else
{
hd_geom_ents = (iBase_EntityHandle*)malloc( sizeof( iBase_EntityHandle ) * nents[1] );
csize = nents[1];
iGeom_getEntities( geom, root_set, 1, &hd_geom_ents, &csize, &sizealloc, &err );
}
CHECK_IGEOM( "ERROR: Could not get entities" );
*odomain = new MsqIGeom( geom, hd_geom_ents[0] );
return iBase_SUCCESS;
}
| int get_mesquite_domain | ( | MeshDomain ** | , |
| const char * | |||
| ) |
| int get_native_mesh | ( | MBMesquite::Mesh ** | mesh, |
| const char * | file_name, | ||
| int | dimension | ||
| ) |
Definition at line 683 of file OptimizeMeshMesquite.cpp.
References iBase_SUCCESS.
Referenced by main().
{
MsqError err;
MBMesquite::MeshImpl* imesh = new MBMesquite::MeshImpl();
imesh->read_vtk( file_name, err );
if( err )
{
cerr << err << endl;
exit( 3 );
}
*mesh = imesh;
return iBase_SUCCESS;
}
| int main | ( | int | argc, |
| char * | argv[] | ||
| ) |
Definition at line 126 of file OptimizeMeshMesquite.cpp.
References ProgOptions::addOpt(), default_file_name, default_geometry_file_name, file_exists(), get_imesh_mesh(), get_itaps_domain(), get_native_mesh(), mesh, ProgOptions::parseCommandLine(), run_local_smoother(), run_local_smoother2(), and run_solution_mesh_optimizer().
{
MBMesquite::MsqPrintError err( cout );
// command line arguments
std::string file_name, geometry_file_name;
bool use_native = false;
int dimension = 2;
#ifdef MOAB_HAVE_MPI
// MPI_Init(&argc, &argv);
#endif
ProgOptions opts;
opts.addOpt< void >( std::string( "native,N" ), std::string( "Use native representation (default=false)" ),
&use_native );
opts.addOpt< int >( std::string( "dim,d" ), std::string( "Topological dimension of the mesh (default=2)" ),
&dimension );
opts.addOpt< std::string >( std::string( "input_geo,i" ),
std::string( "Input file name for the geometry (pattern=*.stl, *.facet)" ),
&geometry_file_name );
opts.addOpt< std::string >( std::string( "input_mesh,m" ),
std::string( "Input file name for the mesh (pattern=*.vtk, *.h5m)" ), &file_name );
opts.parseCommandLine( argc, argv );
if( !geometry_file_name.length() )
{
file_name = default_file_name;
geometry_file_name = default_geometry_file_name;
cout << "No file specified: Using defaults.\n";
}
cout << "\t Mesh filename = " << file_name << endl;
cout << "\t Geometry filename = " << geometry_file_name << endl;
// Vector3D pnt(0,0,0);
// Vector3D s_norm(0,0,1);
// PlanarDomain plane(s_norm, pnt);
// PlanarDomain plane( PlanarDomain::XY );
MeshDomain* plane;
int ierr;
if( !file_exists( geometry_file_name ) ) geometry_file_name = "";
ierr = get_itaps_domain( &plane, geometry_file_name.c_str() ); // MB_CHK_ERR(ierr);
// Try running a global smoother on the mesh
Mesh* mesh = 0;
if( use_native )
{
ierr = get_native_mesh( &mesh, file_name.c_str(), dimension ); // MB_CHK_ERR(ierr);
}
else
{
ierr = get_imesh_mesh( &mesh, file_name.c_str(), dimension ); // MB_CHK_ERR(ierr);
}
if( !mesh )
{
std::cerr << "Failed to load input file. Aborting." << std::endl;
return 1;
}
MeshDomainAssoc mesh_and_domain( mesh, plane );
// ierr = write_vtk_mesh( mesh, "original.vtk");MB_CHK_ERR(ierr);
// cout << "Wrote \"original.vtk\"" << endl;
// run_global_smoother( mesh_and_domain, err );
// if (err) return 1;
// Try running a local smoother on the mesh
// Mesh* meshl=0;
// if(use_native)
// ierr = get_native_mesh(&meshl, file_name.c_str(), dimension);
// else
// ierr = get_imesh_mesh(&meshl, file_name.c_str(), dimension);
// if (!mesh || ierr) {
// std::cerr << "Failed to load input file. Aborting." << std::endl;
// return 1;
// }
// MeshDomainAssoc mesh_and_domain_local(meshl, plane);
// run_solution_mesh_optimizer( mesh_and_domain, err );
// if (err) return 1;
run_local_smoother( mesh_and_domain, err, 1e-4 ); // MB_CHK_ERR(err);
if( err ) return 1;
double reps = 5e-2;
for( int iter = 0; iter < 5; iter++ )
{
if( !( iter % 2 ) )
{
run_local_smoother2( mesh_and_domain, err,
reps * 10 ); // CHECK_IMESH("local smoother2 failed");
if( err ) return 1;
}
// run_global_smoother( mesh_and_domain, err, reps );MB_CHK_ERR(ierr);
run_solution_mesh_optimizer( mesh_and_domain,
err ); // CHECK_IMESH("solution mesh optimizer failed");
if( err ) return 1;
reps *= 0.01;
}
run_local_smoother2( mesh_and_domain, err, 1e-4 ); // CHECK_IMESH("local smoother2 failed");
if( err ) return 1;
// run_quality_optimizer( mesh_and_domain, err );MB_CHK_ERR(ierr);
// run_local_smoother( mesh_and_domain, err );MB_CHK_ERR(ierr);
// Delete MOAB instance
delete mesh;
delete plane;
#ifdef MOAB_HAVE_MPI
// MPI_Finalize();
#endif
return 0;
}
| static int print_iGeom_error | ( | const char * | desc, |
| int | err, | ||
| iGeom_Instance | geom, | ||
| const char * | file, | ||
| int | line | ||
| ) | [static] |
Definition at line 59 of file OptimizeMeshMesquite.cpp.
References buffer.
{
char buffer[1024];
iGeom_getDescription( geom, buffer, sizeof( buffer ) );
buffer[sizeof( buffer ) - 1] = '\0';
std::cerr << "ERROR: " << desc << std::endl
<< " Error code: " << err << std::endl
<< " Error desc: " << buffer << std::endl
<< " At : " << file << ':' << line << std::endl;
return -1; // must always return false or CHECK macro will break
}
| static int print_iMesh_error | ( | const char * | desc, |
| int | err, | ||
| iMesh_Instance | mesh, | ||
| const char * | file, | ||
| int | line | ||
| ) | [static] |
Definition at line 73 of file OptimizeMeshMesquite.cpp.
References buffer, and iMesh_getDescription.
{
char buffer[1024];
iMesh_getDescription( mesh, buffer, sizeof( buffer ) );
buffer[sizeof( buffer ) - 1] = '\0';
std::cerr << "ERROR: " << desc << std::endl
<< " Error code: " << err << std::endl
<< " Error desc: " << buffer << std::endl
<< " At : " << file << ':' << line << std::endl;
return -1; // must always return false or CHECK macro will break
}
| int run_global_smoother | ( | MeshDomainAssoc & | mesh, |
| MsqError & | err, | ||
| double | OF_value = 1e-4 |
||
| ) |
Definition at line 252 of file OptimizeMeshMesquite.cpp.
References mesh, and write_vtk_mesh().
{
// double OF_value = 1e-6;
Mesh* mesh = mesh_and_domain.get_mesh();
MeshDomain* domain = mesh_and_domain.get_domain();
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
IdealWeightInverseMeanRatio* mean_ratio = new IdealWeightInverseMeanRatio( err );
// ConditionNumberQualityMetric* mean_ratio = new ConditionNumberQualityMetric();
// TMPQualityMetric* mean_ratio = new TMPQualityMetric();
// VertexConditionNumberQualityMetric* mean_ratio = new VertexConditionNumberQualityMetric();
if( err ) return 1;
mean_ratio->set_averaging_method( QualityMetric::RMS, err );
if( err ) return 1;
// ... and builds an objective function with it
LPtoPTemplate* obj_func = new LPtoPTemplate( mean_ratio, 1, err );
// LInfTemplate* obj_func = new LInfTemplate(mean_ratio);
if( err ) return 1;
// creates the feas newt optimization procedures
// ConjugateGradient* pass1 = new ConjugateGradient( obj_func, err );
// FeasibleNewton* pass1 = new FeasibleNewton( obj_func );
SteepestDescent* pass1 = new SteepestDescent( obj_func );
pass1->use_element_on_vertex_patch();
pass1->do_block_coordinate_descent_optimization();
pass1->use_global_patch();
if( err ) return 1;
QualityAssessor stop_qa( mean_ratio );
// **************Set stopping criterion****************
TerminationCriterion tc_inner;
tc_inner.add_absolute_vertex_movement( OF_value );
if( err ) return 1;
TerminationCriterion tc_outer;
tc_inner.add_iteration_limit( 10 );
tc_outer.add_iteration_limit( 5 );
tc_outer.set_debug_output_level( 3 );
tc_inner.set_debug_output_level( 3 );
pass1->set_inner_termination_criterion( &tc_inner );
pass1->set_outer_termination_criterion( &tc_outer );
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// adds 1 pass of pass1 to mesh_set1
queue1.set_master_quality_improver( pass1, err );
if( err ) return 1;
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// launches optimization on mesh_set
if( domain )
{
queue1.run_instructions( &mesh_and_domain, err );
}
else
{
queue1.run_instructions( mesh, err );
}
if( err ) return 1;
// Construct a MeshTSTT from the file
int ierr = write_vtk_mesh( mesh, "feasible-newton-result.vtk" );
if( ierr ) return 1;
// MeshWriter::write_vtk(mesh, "feasible-newton-result.vtk", err);
// if (err) return 1;
cout << "Wrote \"feasible-newton-result.vtk\"" << endl;
// print_timing_diagnostics( cout );
return 0;
}
| int run_local_smoother | ( | MeshDomainAssoc & | mesh, |
| MsqError & | err, | ||
| double | OF_value = 1e-3 |
||
| ) |
Definition at line 343 of file OptimizeMeshMesquite.cpp.
References ErrorCode, moab::Interface::get_entities_by_dimension(), MB_CHK_SET_ERR, MB_TYPE_INTEGER, mesh, moab::LloydSmoother::perform_smooth(), moab::Interface::tag_get_handle(), and write_vtk_mesh().
Referenced by main().
{
Mesh* mesh = mesh_and_domain.get_mesh();
moab::Interface* mbi =
reinterpret_cast< MBiMesh* >( dynamic_cast< MsqIMesh* >( mesh )->get_imesh_instance() )->mbImpl;
moab::Tag fixed;
moab::ErrorCode rval = mbi->tag_get_handle( "fixed", 1, moab::MB_TYPE_INTEGER, fixed );MB_CHK_SET_ERR( rval, "Getting tag handle failed" );
moab::Range cells;
rval = mbi->get_entities_by_dimension( 0, 2, cells );MB_CHK_SET_ERR( rval, "Querying elements failed" );
moab::LloydSmoother lloyd( mbi, 0, cells, 0, 0 /*fixed*/ );
lloyd.perform_smooth();
// run_local_smoother2(mesh_and_domain, err, OF_value);
// Construct a MeshTSTT from the file
int ierr = write_vtk_mesh( mesh, "smart-laplacian-result.vtk" );
if( ierr ) return 1;
// MeshWriter::write_vtk(mesh, "smart-laplacian-result.vtk", err);
// if (err) return 1;
cout << "Wrote \"smart-laplacian-result.vtk\"" << endl;
return 0;
}
| int run_local_smoother2 | ( | MeshDomainAssoc & | mesh_and_domain, |
| MsqError & | err, | ||
| double | OF_value = 1e-3 |
||
| ) |
Definition at line 369 of file OptimizeMeshMesquite.cpp.
References mesh, and write_vtk_mesh().
Referenced by main().
{
// double OF_value = 1e-5;
Mesh* mesh = mesh_and_domain.get_mesh();
MeshDomain* domain = mesh_and_domain.get_domain();
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
// IdealWeightInverseMeanRatio* mean_ratio = new IdealWeightInverseMeanRatio(err);
ConditionNumberQualityMetric* mean_ratio = new ConditionNumberQualityMetric();
// VertexConditionNumberQualityMetric* mean_ratio = new VertexConditionNumberQualityMetric();
if( err ) return 1;
// mean_ratio->set_gradient_type(QualityMetric::NUMERICAL_GRADIENT);
// mean_ratio->set_hessian_type(QualityMetric::NUMERICAL_HESSIAN);
mean_ratio->set_averaging_method( QualityMetric::RMS, err );
if( err ) return 1;
// ... and builds an objective function with it
LPtoPTemplate* obj_func = new LPtoPTemplate( mean_ratio, 1, err );
if( err ) return 1;
if( false )
{
InstructionQueue qtmp;
Randomize rand( -0.005 );
TerminationCriterion sc_rand;
sc_rand.add_iteration_limit( 2 );
rand.set_outer_termination_criterion( &sc_rand );
qtmp.set_master_quality_improver( &rand, err );
if( err ) return 1;
if( domain )
{
qtmp.run_instructions( &mesh_and_domain, err );
}
else
{
qtmp.run_instructions( mesh, err );
}
if( err ) return 1;
}
// creates the smart laplacian optimization procedures
SmartLaplacianSmoother* pass1 = new SmartLaplacianSmoother( obj_func );
// SteepestDescent* pass1 = new SteepestDescent( obj_func );
QualityAssessor stop_qa( mean_ratio );
// **************Set stopping criterion****************
TerminationCriterion tc_inner;
tc_inner.add_absolute_vertex_movement( OF_value );
TerminationCriterion tc_outer;
tc_outer.add_iteration_limit( 10 );
pass1->set_inner_termination_criterion( &tc_inner );
pass1->set_outer_termination_criterion( &tc_outer );
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// adds 1 pass of pass1 to mesh_set
queue1.set_master_quality_improver( pass1, err );
if( err ) return 1;
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// launches optimization on mesh_set
if( domain )
{
queue1.run_instructions( &mesh_and_domain, err );
}
else
{
queue1.run_instructions( mesh, err );
}
if( err ) return 1;
// Construct a MeshTSTT from the file
int ierr = write_vtk_mesh( mesh, "smart-laplacian-result.vtk" );
if( ierr ) return 1;
// MeshWriter::write_vtk(mesh, "smart-laplacian-result.vtk", err);
// if (err) return 1;
cout << "Wrote \"smart-laplacian-result.vtk\"" << endl;
// print_timing_diagnostics( cout );
return 0;
}
| int run_quality_optimizer | ( | MeshDomainAssoc & | mesh_and_domain, |
| MsqError & | err | ||
| ) |
Definition at line 459 of file OptimizeMeshMesquite.cpp.
References inner(), mesh, and write_vtk_mesh().
{
Mesh* mesh = mesh_and_domain.get_mesh();
MeshDomain* domain = mesh_and_domain.get_domain();
// creates an intruction queue
InstructionQueue q;
// do optimization
const double eps = 0.01;
IdealShapeTarget w;
TShapeB1 mu;
TQualityMetric metric( &w, &mu );
PMeanPTemplate func( 1.0, &metric );
SteepestDescent solver( &func );
solver.use_element_on_vertex_patch();
solver.do_jacobi_optimization();
TerminationCriterion inner, outer;
inner.add_absolute_vertex_movement( 0.5 * eps );
outer.add_absolute_vertex_movement( 0.5 * eps );
QualityAssessor qa( &metric );
q.add_quality_assessor( &qa, err );
if( err ) return 1;
q.set_master_quality_improver( &solver, err );
if( err ) return 1;
q.add_quality_assessor( &qa, err );
if( err ) return 1;
// launches optimization on mesh_set
if( domain )
{
q.run_instructions( &mesh_and_domain, err );
}
else
{
q.run_instructions( mesh, err );
}
if( err ) return 1;
// Construct a MeshTSTT from the file
int ierr = write_vtk_mesh( mesh, "ideal-shape-result.vtk" );
if( ierr ) return 1;
// MeshWriter::write_vtk(mesh, "ideal-shape-result.vtk", err);
// if (err) return 1;
cout << "Wrote \"ideal-shape-result.vtk\"" << endl;
print_timing_diagnostics( cout );
return 0;
}
| int run_solution_mesh_optimizer | ( | MeshDomainAssoc & | mesh_and_domain, |
| MsqError & | err | ||
| ) |
Definition at line 513 of file OptimizeMeshMesquite.cpp.
References mesh, and write_vtk_mesh().
Referenced by main().
{
double OF_value = 0.01;
Mesh* mesh = mesh_and_domain.get_mesh();
MeshDomain* domain = mesh_and_domain.get_domain();
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
// IdealWeightInverseMeanRatio* mean_ratio = new IdealWeightInverseMeanRatio(err);
ConditionNumberQualityMetric* mean_ratio = new ConditionNumberQualityMetric();
// VertexConditionNumberQualityMetric* mean_ratio = new VertexConditionNumberQualityMetric();
// AspectRatioGammaQualityMetric* mean_ratio = new AspectRatioGammaQualityMetric();
// ElementSolIndQM* solindqm = new ElementSolIndQM(solution_indicator);
// MultiplyQualityMetric* mean_ratio = new MultiplyQualityMetric(new
// VertexConditionNumberQualityMetric(), solindqm, err);
// ElementSolIndQM* mean_ratio = solindqm;
// LocalSizeQualityMetric* mean_ratio = new LocalSizeQualityMetric();
mean_ratio->set_averaging_method( QualityMetric::SUM_OF_RATIOS_SQUARED, err );
if( err ) return 1;
// ... and builds an objective function with it
LPtoPTemplate* obj_func = new LPtoPTemplate( mean_ratio, 1, err );
if( err ) return 1;
// // creates the feas newt optimization procedures
ConjugateGradient* pass1 = new ConjugateGradient( obj_func, err );
// QuasiNewton* pass1 = new QuasiNewton( obj_func );
// FeasibleNewton* pass1 = new FeasibleNewton( obj_func );
pass1->use_global_patch();
QualityAssessor stop_qa( mean_ratio );
// **************Set stopping criterion****************
TerminationCriterion tc_inner;
tc_inner.add_absolute_vertex_movement( OF_value );
if( err ) return 1;
TerminationCriterion tc_outer;
tc_inner.add_iteration_limit( 20 );
tc_outer.add_iteration_limit( 5 );
pass1->set_inner_termination_criterion( &tc_inner );
pass1->set_outer_termination_criterion( &tc_outer );
pass1->set_debugging_level( 3 );
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// adds 1 pass of pass1 to mesh_set1
queue1.set_master_quality_improver( pass1, err );
if( err ) return 1;
queue1.add_quality_assessor( &stop_qa, err );
if( err ) return 1;
// launches optimization on mesh_set
if( domain )
{
queue1.run_instructions( &mesh_and_domain, err );
}
else
{
queue1.run_instructions( mesh, err );
}
if( err ) return 1;
// Construct a MeshTSTT from the file
int ierr = write_vtk_mesh( mesh, "solution-mesh-result.vtk" );
if( ierr ) return 1;
// MeshWriter::write_vtk(mesh, "solution-mesh-result.vtk", err);
// if (err) return 1;
cout << "Wrote \"solution-mesh-result.vtk\"" << endl;
print_timing_diagnostics( cout );
return 0;
}
| int write_vtk_mesh | ( | Mesh * | mesh, |
| const char * | filename | ||
| ) |
Definition at line 332 of file OptimizeMeshMesquite.cpp.
References mesh, and moab::Interface::write_file().
Referenced by run_global_smoother(), run_local_smoother(), run_local_smoother2(), run_quality_optimizer(), and run_solution_mesh_optimizer().
{
moab::Interface* mbi =
reinterpret_cast< MBiMesh* >( dynamic_cast< MsqIMesh* >( mesh )->get_imesh_instance() )->mbImpl;
mbi->write_file( filename );
return 0;
}
| const std::string default_file_name = std::string( MESH_DIR ) + std::string( "/surfrandomtris-4part.h5m" ) |
Definition at line 93 of file OptimizeMeshMesquite.cpp.
Referenced by main().
| const std::string default_geometry_file_name = std::string( MESH_DIR ) + std::string( "/surfrandom.facet" ) |
Definition at line 94 of file OptimizeMeshMesquite.cpp.
Referenced by main().
| std::vector< double > solution_indicator |
Definition at line 96 of file OptimizeMeshMesquite.cpp.
Referenced by get_imesh_mesh().
1.7.6.1.
Dark theme by Tilen Majerle. All rights reserved.