DPF C++ client library 2023 R2

MeshQueryTest

Last update: 10.07.2023

Examples showing how to access mesh data in an RST file.

#ifdef EXAMPLE
#include "Example.h"
#else
#include <gtest/gtest.h>
#endif
#include <math.h>
#include "helpers/dpf_meshQuery.h"
#include "helpers/dpf_model.h"
#include "Plugin.h"
using namespace ansys::dpf;
TEST(MeshQuery, GetSolidElements)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetSolidElements(error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 81);
}
TEST(MeshQuery, GetShellElements)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetShellElements(error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 459);
}
TEST(MeshQuery, GetBeamElements)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetBeamElements(error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 45);
}
TEST(MeshQuery, GetSkinElements)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetSkinElements(error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 18);
}
TEST(MeshQuery, GetPointElements)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetPointElements(error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 3);
}
TEST(MeshQuery, GetNodesByNamedSelection)
{
std::string fileName("../../../testfiles/Cube.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto nodes = meshQuery.GetNodesByNamedSelection("WHOLE_THING", error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 27);
nodes = meshQuery.GetNodesByNamedSelection("TOP", error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 9);
}
TEST(MeshQuery, GetNodesByMaterialId)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto nodes = meshQuery.GetNodesByMaterialId(1, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 180);
nodes = meshQuery.GetNodesByMaterialId(4, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 16);
nodes = meshQuery.GetNodesByMaterialId(7, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 544);
}
TEST(MeshQuery, GetNodesByElementType)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto nodes = meshQuery.GetNodesByElementType(elements::line2, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 48);
nodes = meshQuery.GetNodesByElementType(elements::point1, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 1);
nodes = meshQuery.GetNodesByElementType(elements::quad4, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 540);
nodes = meshQuery.GetNodesByElementType(elements::quad8, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 74);
nodes = meshQuery.GetNodesByElementType(elements::hex20, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 544);
}
TEST(MeshQuery, GetNodesBySolverElementType)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
//- 3 - D 20 - Node Structural Solid
auto nodes = meshQuery.GetNodesBySolverElementType(186, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 544);
//- 3 - D 2 - Node Beam
nodes = meshQuery.GetNodesBySolverElementType(188, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 48);
//- 3 - D Target Segment
nodes = meshQuery.GetNodesBySolverElementType(170, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 74);
//- 3 - D 8 - Node Surface - to - Surface Contact
nodes = meshQuery.GetNodesBySolverElementType(174, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 74);
//- 4 - Node Structural Shell
nodes = meshQuery.GetNodesBySolverElementType(181, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 540);
//- Follower Load
nodes = meshQuery.GetNodesBySolverElementType(201, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 1);
}
TEST(MeshQuery, GetElementsByNamedSelection)
{
std::string fileName("../../../testfiles/Cube.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetElementsByNamedSelection("WHOLE_THING", false, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 8);
elements = meshQuery.GetElementsByNamedSelection("WHOLE_THING", true, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 8);
elements = meshQuery.GetElementsByNamedSelection("TOP", true, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 4);
elements = meshQuery.GetElementsByNamedSelection("TOP", false, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 0);
}
TEST(MeshQuery, GetElementsByMaterialId)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto nodes = meshQuery.GetElementsByMaterialId(1, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 153);
nodes = meshQuery.GetElementsByMaterialId(4, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 15);
nodes = meshQuery.GetElementsByMaterialId(7, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 81);
}
TEST(MeshQuery, GetElementsByElementType)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
auto elements = meshQuery.GetElementsByElementType(elements::line2, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 45);
elements = meshQuery.GetElementsByElementType(elements::point1, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 3);
elements = meshQuery.GetElementsByElementType(elements::quad4, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 465);
elements = meshQuery.GetElementsByElementType(elements::quad8, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 30);
elements = meshQuery.GetElementsByElementType(elements::hex20, error);
elements.getIds(ids);
EXPECT_EQ(ids.size(), 81);
}
TEST(MeshQuery, GetElementsBySolverElementType)
{
std::string fileName("../../../testfiles/mapdl_files/SolidSurfaceBeam.rst");
ansys::dpf::Model model(fileName);
MeshQuery meshQuery = model.CreateMeshQuery();
std::vector<int> ids;
ansys::dpf::DpfError error;
//- 3 - D 20 - Node Structural Solid
auto nodes = meshQuery.GetElementsBySolverElementType(186, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 81);
//- 3 - D 2 - Node Beam
nodes = meshQuery.GetElementsBySolverElementType(188, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 45);
//- 3 - D Target Segment
nodes = meshQuery.GetElementsBySolverElementType(170, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 18);
//- 3 - D 8 - Node Surface - to - Surface Contact
nodes = meshQuery.GetElementsBySolverElementType(174, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 18);
//- 4 - Node Structural Shell
nodes = meshQuery.GetElementsBySolverElementType(181, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 459);
//- Follower Load
nodes = meshQuery.GetElementsBySolverElementType(201, error);
nodes.getIds(ids);
EXPECT_EQ(ids.size(), 3);
}
ansys::dpf::DpfError
Definition: dpf_api_base.h:1060
ansys::dpf::Model
Definition: dpf_model.h:14
ansys::dpf::Model::CreateMeshQuery
MeshQuery CreateMeshQuery()
Definition: dpf_model.h:70
ansys::dpf
This is the main namespace of the HGP API.
Definition: dpf_model.h:11

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