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Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
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Mesh Oriented datABase
(version 5.4.1)
Array-based unstructured mesh datastructure
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#include "TestUtil.hpp"#include "ElemUtil.hpp"#include "moab/Core.hpp"#include "moab/Range.hpp"#include <iostream>
Include dependency graph for ElementTest.cpp:Go to the source code of this file.
Functions | |
| void | test_tet () |
| void | test_hex () |
| void | test_spectral_hex () |
| void | test_spectral_quad () |
| void | test_spherical_quad () |
| void | test_linear_tri () |
| void | test_spherical_tri () |
| int | main () |
| int main | ( | ) |
Definition at line 21 of file ElementTest.cpp.
References RUN_TEST, test_hex(), test_linear_tri(), test_spectral_hex(), test_spectral_quad(), test_spherical_quad(), test_spherical_tri(), and test_tet().
{
int rval = 0;
rval += RUN_TEST( test_tet );
rval += RUN_TEST( test_hex );
rval += RUN_TEST( test_spectral_hex );
rval += RUN_TEST( test_spectral_quad );
rval += RUN_TEST( test_spherical_quad );
rval += RUN_TEST( test_linear_tri );
rval += RUN_TEST( test_spherical_tri );
return rval;
}
| void test_hex | ( | ) |
Definition at line 39 of file ElementTest.cpp.
References moab::Element::Map::ievaluate(), and moab::Element::Map::inside_box().
Referenced by main().
{
double positions[] = { 236.80706050970281, -139.55422526228017, 193.27999999999997,
236.47511729348639, -141.33020962638582, 193.27999999999997,
237.8457938295229, -142.57076074835663, 193.27999999999997,
239.12702305519684, -139.96608933577852, 193.27999999999997,
236.80841321361444, -139.55341321335499, 202.654,
236.47655014713746, -141.32980272396816, 202.654,
237.8477913707564, -142.57047282187165, 202.654,
239.12865103844533, -139.96531051891105, 202.654 };
CartVect x( 235.96518686964933, -142.43503000077749, 188.19999999999987 );
std::vector< CartVect > vertices;
for( int i = 0; i < 8; i++ )
vertices.push_back( CartVect( positions + 3 * i ) );
moab::Element::LinearHex hex( vertices );
double tol( 0.0001 );
if( hex.inside_box( x, tol ) )
{
CartVect nat_par = hex.ievaluate( x, 0.0001 );
std::cout << nat_par << "\n";
}
double positions2[] = { 49.890500000000024, -20.376134375374882, 312.72000000000003,
52.015875000000044, -19.149048546996006, 312.72000000000003,
48.430375821458099, -18.548796774572125, 312.72000000000003,
47.717616239031223, -21.191360829777231, 312.72000000000003,
49.890500000000024, -20.376134375374882, 322.88,
52.015875000000044, -19.149048546996006, 322.88,
48.429930354643275, -18.52828610485021, 322.88,
47.720552036968819, -21.167591146685712, 322.88 };
CartVect x2( 51.469000000000015, -20.145482942833631, 317.80000000000001 );
vertices.clear();
for( int i = 0; i < 8; i++ )
vertices.push_back( CartVect( positions2 + 3 * i ) );
moab::Element::LinearHex hex2( vertices );
if( hex2.inside_box( x2, tol ) )
{
try
{
CartVect nat_par = hex.ievaluate( x, 0.0001 );
std::cout << nat_par << "\n";
}
catch( Element::Map::EvaluationError )
{
// nothing
}
}
} // test_hex()
| void test_linear_tri | ( | ) |
Definition at line 346 of file ElementTest.cpp.
References moab::Element::LinearTri::ievaluate(), and moab::Element::Map::inside_box().
Referenced by main().
{
double positions[] = { 0, 0, 0, 2, 0, 0, 0, 3, 0 };
CartVect x( 1, 0.5, 0 );
std::vector< CartVect > vertices;
for( int i = 0; i < 3; i++ )
vertices.push_back( CartVect( positions + 3 * i ) );
moab::Element::LinearTri tri( vertices );
double tol( 0.0001 );
if( tri.inside_box( x, tol ) )
{
CartVect nat_par = tri.ievaluate( x );
std::cout << x << " :" << nat_par << "\n";
}
x = CartVect( 0, 2, 0 );
if( tri.inside_box( x, tol ) )
{
CartVect nat_par = tri.ievaluate( x );
std::cout << x << " :" << nat_par << "\n";
}
x = CartVect( 1, 0, 0.5 );
if( tri.inside_box( x, tol ) )
{
CartVect nat_par = tri.ievaluate( x );
std::cout << x << " :" << nat_par << "\n";
}
double positions2[] = { -0.866026, -0.500001, 0., 0.866026, -0.500001, 0., 0.000000, 100.000000, 0. };
x = CartVect( 0, 0, 0 );
std::vector< CartVect > vertices2;
for( int i = 0; i < 3; i++ )
vertices2.push_back( CartVect( positions2 + 3 * i ) );
moab::Element::LinearTri tri2( vertices2 );
if( tri2.inside_box( x, tol ) )
{
CartVect nat_par = tri2.ievaluate( x );
std::cout << x << " :" << nat_par << "\n";
}
std::cout << "vertices2 " << vertices2[0] << " " << vertices2[1] << " " << vertices2[2] << "\n";
x = CartVect( -0.866026, -0.500001, 0. );
std::cout << x << " :" << tri2.ievaluate( x ) << "\n";
x = CartVect( +0.866026, -0.500001, 0. );
std::cout << x << " :" << tri2.ievaluate( x ) << "\n";
x = CartVect( 0.000000, 100.000000, 0. );
std::cout << x << " :" << tri2.ievaluate( x ) << "\n";
std::cout << "success...\n";
}
| void test_spectral_hex | ( | ) |
Definition at line 92 of file ElementTest.cpp.
References moab::Range::begin(), moab::Matrix3::determinant(), moab::Range::empty(), moab::Range::end(), ErrorCode, moab::Element::SpectralHex::evaluate(), moab::Element::SpectralHex::evaluate_scalar_field(), moab::Core::get_entities_by_dimension(), moab::Core::get_entities_by_type_and_tag(), moab::Element::SpectralHex::ievaluate(), moab::Element::SpectralHex::integrate_scalar_field(), inverse(), moab::Element::SpectralHex::jacobian(), moab::Core::load_mesh(), mb, MB_SUCCESS, MB_TYPE_DOUBLE, MB_TYPE_INTEGER, MBENTITYSET, moab::Element::SpectralHex::set_gl_points(), moab::Range::size(), STRINGIFY, moab::Core::tag_get_by_ptr(), moab::Core::tag_get_data(), and moab::Core::tag_get_handle().
Referenced by main().
{
// first load a model that has spectral elements
moab::Core* mb = new moab::Core();
std::string meshFile = STRINGIFY( MESHDIR ) "/spectral.h5m";
moab::ErrorCode rval = mb->load_mesh( meshFile.c_str() );
if( moab::MB_SUCCESS != rval )
{
std::cout << "Problems reading file " << meshFile << "." << std::endl;
delete mb;
return;
}
// get the ent set with SEM_DIMS tag
moab::Range spectral_sets;
moab::Tag sem_tag;
rval = mb->tag_get_handle( "SEM_DIMS", 3, moab::MB_TYPE_INTEGER, sem_tag );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't find tag, no spectral set\n";
delete mb;
return;
}
rval = mb->get_entities_by_type_and_tag( 0, moab::MBENTITYSET, &sem_tag, NULL, 1, spectral_sets );
if( moab::MB_SUCCESS != rval || spectral_sets.empty() )
{
std::cout << "can't get sem set\n";
delete mb;
return;
}
moab::Range ents;
int sem_dims[3];
moab::EntityHandle firstSemSet = spectral_sets[0];
rval = mb->tag_get_data( sem_tag, &firstSemSet, 1, (void*)sem_dims );
if( moab::MB_SUCCESS != rval )
{
delete mb;
return;
}
rval = mb->get_entities_by_dimension( firstSemSet, 3, ents );
if( moab::MB_SUCCESS != rval )
{
delete mb;
return;
}
std::cout << "Found " << ents.size() << " " << 3 << "-dimensional entities:" << std::endl;
if( sem_dims[0] != sem_dims[1] || sem_dims[0] != sem_dims[2] )
{
std::cout << " dimensions are different. bail out\n";
delete mb;
return;
}
// get the SEM_X ...tags
moab::Tag xm1Tag, ym1Tag, zm1Tag;
int ntot = sem_dims[0] * sem_dims[1] * sem_dims[2];
rval = mb->tag_get_handle( "SEM_X", ntot, moab::MB_TYPE_DOUBLE, xm1Tag );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get xm1tag \n";
delete mb;
return;
}
rval = mb->tag_get_handle( "SEM_Y", ntot, moab::MB_TYPE_DOUBLE, ym1Tag );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get ym1tag \n";
delete mb;
return;
}
rval = mb->tag_get_handle( "SEM_Z", ntot, moab::MB_TYPE_DOUBLE, zm1Tag );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get zm1tag \n";
delete mb;
return;
}
moab::Tag velTag;
rval = mb->tag_get_handle( "VX", ntot, moab::MB_TYPE_DOUBLE, velTag );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get veltag \n";
delete mb;
return;
}
moab::Element::SpectralHex specHex( sem_dims[0] );
// compute the data for some elements
for( moab::Range::iterator rit = ents.begin(); rit != ents.end(); ++rit )
{
// get the tag pointers to the internal storage for xm1, to not copy the values
moab::EntityHandle eh = *rit;
const double* xval;
const double* yval;
const double* zval;
rval = mb->tag_get_by_ptr( xm1Tag, &eh, 1, (const void**)&xval );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get xm1 values \n";
delete mb;
return;
}
rval = mb->tag_get_by_ptr( ym1Tag, &eh, 1, (const void**)&yval );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get ym1 values \n";
delete mb;
return;
}
rval = mb->tag_get_by_ptr( zm1Tag, &eh, 1, (const void**)&zval );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get zm1 values \n";
delete mb;
return;
}
if( rit == ents.begin() )
{
std::cout << " xm1 for first element: \n";
for( int i = 0; i < ntot; i++ )
std::cout << " " << xval[i];
std::cout << "\n";
}
specHex.set_gl_points( (double*)xval, (double*)yval, (double*)zval );
// first evaluate a point, then inverse it to see if we get the same thing
moab::CartVect rst( 0.1, -0.1, 0.5 );
moab::CartVect pos = specHex.evaluate( rst );
moab::CartVect inverse = specHex.ievaluate( pos, 0.0001 );
std::cout << "difference" << rst - inverse << "\n";
Matrix3 jac = specHex.jacobian( rst );
std::cout << "jacobian: \n" << jac << " \n determinant: " << jac.determinant() << "\n";
// evaluate vx at some point
const double* vx;
rval = mb->tag_get_by_ptr( velTag, &eh, 1, (const void**)&vx );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get vel values \n";
delete mb;
return;
}
double vel1 = specHex.evaluate_scalar_field( rst, vx );
std::cout << "velocity: " << vel1 << "\n";
// compute integral over vx:
double integral = specHex.integrate_scalar_field( vx );
std::cout << "integral over vx: " << integral << "\n";
}
std::cout << "success...\n";
delete mb;
}
| void test_spectral_quad | ( | ) |
Definition at line 248 of file ElementTest.cpp.
References moab::Range::begin(), moab::Element::SpectralQuad::compute_gl_positions(), moab::Range::end(), ErrorCode, moab::Core::get_connectivity(), moab::Core::get_coords(), moab::Core::get_entities_by_type(), moab::Element::SpectralQuad::get_gl_points(), moab::Core::load_mesh(), mb, MB_SUCCESS, MBQUAD, moab::Element::Map::set_vertices(), size, moab::Range::size(), and STRINGIFY.
Referenced by main().
{
// first load a model that has spectral elements
moab::Core* mb = new moab::Core();
// use the grid on Sphere from mbcslam folder
std::string meshFile = STRINGIFY( MESHDIR ) "/mbcslam/eulerHomme.vtk";
moab::ErrorCode rval = mb->load_mesh( meshFile.c_str() );
if( moab::MB_SUCCESS != rval )
{
std::cout << "Problems reading file " << meshFile << "." << std::endl;
delete mb;
return;
}
// for each element, compute the gl points and project them on sphere
// the radius is the same as the one from intersection test on sphere
// double R = 6. * sqrt(3.) / 2; // input
moab::Range ents;
rval = mb->get_entities_by_type( 0, moab::MBQUAD, ents ); // get all quads
if( moab::MB_SUCCESS != rval )
{
delete mb;
return;
}
std::cout << "Found " << ents.size() << " " << 2 << "-dimensional entities:" << std::endl;
//
int NP = 4; // test this....
moab::Element::SpectralQuad specQuad( NP );
// compute the gl points for some elements
for( moab::Range::iterator rit = ents.begin(); rit != ents.end(); ++rit )
{
const moab::EntityHandle* conn4 = NULL;
int num_nodes = 0;
rval = mb->get_connectivity( *rit, conn4, num_nodes );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get connectivity for quad \n";
delete mb;
return;
}
assert( num_nodes == 4 );
std::vector< CartVect > verts( 4 );
rval = mb->get_coords( conn4, num_nodes, &( verts[0][0] ) );
if( moab::MB_SUCCESS != rval )
{
std::cout << "can't get coords for quad \n";
delete mb;
return;
}
specQuad.set_vertices( verts );
specQuad.compute_gl_positions();
// do something with the gl positions, project them on a sphere, and create another mesh?
if( rit == ents.begin() )
{
std::cout << " gl points for first element: \n";
int size;
double* xyz[3];
specQuad.get_gl_points( xyz[0], xyz[1], xyz[2], size );
for( int i = 0; i < size; i++ )
std::cout << xyz[0][i] << " " << xyz[1][i] << " " << xyz[2][i] << "\n";
}
// project them on a sphere, and create another mesh with it?
}
std::cout << "success...\n";
delete mb;
}
| void test_spherical_quad | ( | ) |
Definition at line 323 of file ElementTest.cpp.
References moab::Element::SphericalQuad::ievaluate(), and moab::Element::SphericalQuad::inside_box().
Referenced by main().
{
// example from one coupler test, run like this
// ./mbcoupler_test -meshes sphere_16p.h5m mpas_p8.h5m -itag vertex_field -meth 4 -outfile
// dd.h5m method 4 is spherical
double positions[] = { -0.88882388032987436, -0.069951956448441419, 0.45287838714646161, -0.88226455385461389,
-0.13973697758043971, 0.4495362433757738, -0.84497006020160348, -0.13383011007602069,
0.51779831884618843, -0.85072691325794214, -0.066953660115039074, 0.52132612293631853 };
CartVect x( -0.85408569769999998, -0.12391301439999999, 0.50515659540000002 );
std::vector< CartVect > vertices;
for( int i = 0; i < 4; i++ )
vertices.push_back( CartVect( positions + 3 * i ) );
moab::Element::SphericalQuad squad( vertices );
double tol( 0.0001 );
if( squad.inside_box( x, tol ) )
{
CartVect nat_par = squad.ievaluate( x, 0.000001 );
std::cout << nat_par << "\n";
}
std::cout << "success...\n";
}
| void test_spherical_tri | ( | ) |
Definition at line 403 of file ElementTest.cpp.
References moab::Element::SphericalTri::ievaluate(), and moab::Element::SphericalTri::inside_box().
Referenced by main().
{
// example from one coupler test, run like this
// ./mbcoupler_test -meshes tri_fl_8p.h5m mpas_p8.h5m -itag vertex_field -meth 4 -outfile
// oo.h5m -eps 1.e-9 method 4 is spherical
double positions[] = { -0.86339258282987197, -0.17004443185241255, 0.47501383044112816,
-0.80777478326268271, -0.15172299908552511, 0.5696314870803928,
-0.8655618847392077, -0.061613422011313854, 0.49699739427361828 };
CartVect x( -0.85408569769999998, -0.12391301439999999, 0.50515659540000002 );
std::vector< CartVect > vertices;
for( int i = 0; i < 3; i++ )
vertices.push_back( CartVect( positions + 3 * i ) );
moab::Element::SphericalTri sphtri( vertices );
double tol( 0.000001 );
if( sphtri.inside_box( x, tol ) )
{
CartVect nat_par = sphtri.ievaluate( x, 0.000001 );
std::cout << nat_par << "\n";
}
std::cout << "success...\n";
}
| void test_tet | ( | ) |
Definition at line 34 of file ElementTest.cpp.
Referenced by main().
{
moab::Element::LinearTet tet;
} // test_tet()
1.7.6.1.
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