本文整理汇总了C++中TetrahedralMesh::GetSurfaceArea方法的典型用法代码示例。如果您正苦于以下问题：C++ TetrahedralMesh::GetSurfaceArea方法的具体用法？C++ TetrahedralMesh::GetSurfaceArea怎么用？C++ TetrahedralMesh::GetSurfaceArea使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TetrahedralMesh的用法示例。
在下文中一共展示了TetrahedralMesh::GetSurfaceArea方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
void TestTranslation3DWithUblas()
{
TrianglesMeshReader<3,3> mesh_reader("mesh/test/data/cube_136_elements");
TetrahedralMesh<3,3> mesh;
mesh.ConstructFromMeshReader(mesh_reader);
double volume = mesh.GetVolume();
double surface_area = mesh.GetSurfaceArea();
Node<3>* p_node1 = mesh.GetNode(36);
ChastePoint<3> point1 = p_node1->GetPoint();
Node<3>* p_node2 = mesh.GetNode(23);
ChastePoint<3> point2 = p_node2->GetPoint();
c_vector<double, 3> old_location1 = point1.rGetLocation();
c_vector<double, 3> old_location2 = point2.rGetLocation();
// Set translation Vector
c_vector<double, 3> trans_vec;
trans_vec(0) = 2.0;
trans_vec(1) = 2.0;
trans_vec(2) = 2.0;
// Translate
mesh.Translate(trans_vec);
c_vector<double, 3> new_location1 = point1.rGetLocation();
c_vector<double, 3> new_location2 = point2.rGetLocation();
// Check Volume and Surface Area are invariant
TS_ASSERT_DELTA(mesh.GetVolume(), volume, 1e-6);
TS_ASSERT_DELTA(mesh.GetSurfaceArea(), surface_area, 1e-6);
// Spot check a couple of nodes
TS_ASSERT_DELTA(inner_prod(new_location1-old_location1, trans_vec), 0, 1e-6);
TS_ASSERT_DELTA(inner_prod(new_location2-old_location2, trans_vec), 0, 1e-6);
}示例2: TestRefreshMeshByScaling
void TestRefreshMeshByScaling()
{
TrianglesMeshReader<3,3> mesh_reader("mesh/test/data/cube_136_elements");
TetrahedralMesh<3,3> mesh;
mesh.ConstructFromMeshReader(mesh_reader);
TS_ASSERT_DELTA(mesh.GetVolume(), 1.0, 1e-6);
TS_ASSERT_DELTA(mesh.GetSurfaceArea(), 6.0, 1e-6);
// Change coordinates
for (unsigned i=0; i<mesh.GetNumNodes(); i++)
{
Node<3>* p_node = mesh.GetNode(i);
ChastePoint<3> point = p_node->GetPoint();
point.SetCoordinate(0, point[0]*2.0);
point.SetCoordinate(1, point[1]*2.0);
point.SetCoordinate(2, point[2]*2.0);
p_node->SetPoint(point);
}
mesh.RefreshMesh();
TS_ASSERT_DELTA(mesh.GetVolume(), 8.0, 1e-6);
TS_ASSERT_DELTA(mesh.GetSurfaceArea(), 24.0, 1e-6);
}示例3: cos
void TestXaxisRotation3DWithHomogeneousUblas()
{
TrianglesMeshReader<3,3> mesh_reader("mesh/test/data/cube_136_elements");
TetrahedralMesh<3,3> mesh;
mesh.ConstructFromMeshReader(mesh_reader);
TS_ASSERT_DELTA(mesh.GetVolume(), 1.0, 1e-6);
TS_ASSERT_DELTA(mesh.GetSurfaceArea(), 6.0, 1e-6);
// Change coordinates
c_matrix<double, 4, 4> x_rotation_matrix = identity_matrix<double>(4);
double theta = M_PI/2;
x_rotation_matrix(1,1) = cos(theta);
x_rotation_matrix(1,2) = sin(theta);
x_rotation_matrix(2,1) = -sin(theta);
x_rotation_matrix(2,2) = cos(theta);
ChastePoint<3> corner_before = mesh.GetNode(6)->GetPoint();
TS_ASSERT_EQUALS(corner_before[0], 1.0);
TS_ASSERT_EQUALS(corner_before[1], 1.0);
TS_ASSERT_EQUALS(corner_before[2], 1.0);
for (unsigned i=0; i<mesh.GetNumNodes(); i++)
{
Node<3>* p_node = mesh.GetNode(i);
ChastePoint<3> point = p_node->GetPoint();
c_vector<double, 4> point_location;
point_location[0] = point[0];
point_location[1] = point[1];
point_location[2] = point[2];
point_location[3] = 1.0;
c_vector<double, 4> new_point_location = prod(x_rotation_matrix, point_location);
TS_ASSERT_EQUALS(new_point_location[3], 1.0);
point.SetCoordinate(0, new_point_location[0]);
point.SetCoordinate(1, new_point_location[1]);
point.SetCoordinate(2, new_point_location[2]);
p_node->SetPoint(point);
}
ChastePoint<3> corner_after = mesh.GetNode(6)->GetPoint();
TS_ASSERT_EQUALS(corner_after[0], 1.0);
TS_ASSERT_EQUALS(corner_after[1], 1.0);
TS_ASSERT_DELTA(corner_after[2], -1.0, 1e-7);
mesh.RefreshMesh();
TS_ASSERT_DELTA(mesh.GetVolume(), 1.0, 1e-6);
TS_ASSERT_DELTA(mesh.GetSurfaceArea(), 6.0, 1e-6);
}