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Classes | Functions | Variables
prism_polynomial_approximation.cpp File Reference
#include <MoFEM.hpp>

Go to the source code of this file.

Classes

struct  ApproxFunction
 
struct  PrismOpCheck
 
struct  PrismOpRhs
 
struct  PrismOpLhs
 
struct  PrismFE
 

Functions

int main (int argc, char *argv[])
 

Variables

static char help [] = "...\n\n"
 
static constexpr int approx_order = 6
 

Function Documentation

◆ main()

int main ( int  argc,
char *  argv[] 
)

Definition at line 96 of file prism_polynomial_approximation.cpp.

96 {
97
98 MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
99
100 try {
101
102 moab::Core mb_instance;
103 moab::Interface &moab = mb_instance;
104
105 ParallelComm *pcomm = ParallelComm::get_pcomm(&moab, MYPCOMM_INDEX);
106 auto moab_comm_wrap =
107 boost::make_shared<WrapMPIComm>(PETSC_COMM_WORLD, false);
108 if (pcomm == NULL)
109 pcomm = new ParallelComm(&moab, moab_comm_wrap->get_comm());
110
111 std::array<double, 18> one_prism_coords = {0, 0, 0, 1, 0, 0, 0, 1, 0,
112 0, 0, 1, 1, 0, 1, 0, 1, 1};
113 std::array<EntityHandle, 6> one_prism_nodes;
114 for (int n = 0; n != 6; ++n)
115 CHKERR moab.create_vertex(&one_prism_coords[3 * n], one_prism_nodes[n]);
116 EntityHandle one_prism;
117 CHKERR moab.create_element(MBPRISM, one_prism_nodes.data(), 6, one_prism);
118 Range one_prism_range;
119 one_prism_range.insert(one_prism);
120 Range one_prism_adj_ents;
121 for (int d = 1; d != 3; ++d)
122 CHKERR moab.get_adjacencies(one_prism_range, d, true, one_prism_adj_ents,
123 moab::Interface::UNION);
124
125 MoFEM::Core core(moab);
126 MoFEM::Interface &m_field = core;
127
128 PrismsFromSurfaceInterface *prisms_from_surface_interface;
129 CHKERR m_field.getInterface(prisms_from_surface_interface);
130 BitRefLevel bit_level0;
131 bit_level0.set(0);
132 CHKERR m_field.getInterface<BitRefManager>()->setEntitiesBitRefLevel(
133 one_prism_range, bit_level0);
134 CHKERR prisms_from_surface_interface->seedPrismsEntities(one_prism_range,
135 bit_level0);
136
137 // Fields
138 CHKERR m_field.add_field("FIELD1", H1, AINSWORTH_LEGENDRE_BASE, 1);
139 CHKERR m_field.add_ents_to_field_by_type(0, MBPRISM, "FIELD1");
140
141 CHKERR m_field.set_field_order(0, MBVERTEX, "FIELD1", 1);
142 CHKERR m_field.set_field_order(0, MBEDGE, "FIELD1", approx_order);
143 CHKERR m_field.set_field_order(0, MBTRI, "FIELD1", approx_order);
144 CHKERR m_field.set_field_order(0, MBQUAD, "FIELD1", approx_order);
145 CHKERR m_field.set_field_order(0, MBPRISM, "FIELD1", approx_order);
146 CHKERR m_field.build_fields();
147
148 // FE
149 CHKERR m_field.add_finite_element("PRISM");
150
151 // Define rows/cols and element data
152 CHKERR m_field.modify_finite_element_add_field_row("PRISM", "FIELD1");
153 CHKERR m_field.modify_finite_element_add_field_col("PRISM", "FIELD1");
154 CHKERR m_field.modify_finite_element_add_field_data("PRISM", "FIELD1");
155 CHKERR m_field.add_ents_to_finite_element_by_type(0, MBPRISM, "PRISM");
156
157 // build finite elemnts
158 CHKERR m_field.build_finite_elements();
159 // //build adjacencies
160 CHKERR m_field.build_adjacencies(bit_level0);
161
162 // Problem
163 CHKERR m_field.add_problem("TEST_PROBLEM");
164
165 // set finite elements for problem
166 CHKERR m_field.modify_problem_add_finite_element("TEST_PROBLEM", "PRISM");
167 // set refinement level for problem
168 CHKERR m_field.modify_problem_ref_level_add_bit("TEST_PROBLEM", bit_level0);
169
170 // build problem
171 ProblemsManager *prb_mng_ptr;
172 CHKERR m_field.getInterface(prb_mng_ptr);
173 CHKERR prb_mng_ptr->buildProblem("TEST_PROBLEM", true);
174 // partition
175 CHKERR prb_mng_ptr->partitionSimpleProblem("TEST_PROBLEM");
176 CHKERR prb_mng_ptr->partitionFiniteElements("TEST_PROBLEM");
177 // what are ghost nodes, see Petsc Manual
178 CHKERR prb_mng_ptr->partitionGhostDofs("TEST_PROBLEM");
179
180 // Create matrices
181 SmartPetscObj<Mat> A;
182 CHKERR m_field.getInterface<MatrixManager>()
183 ->createMPIAIJWithArrays<PetscGlobalIdx_mi_tag>("TEST_PROBLEM", A);
184 SmartPetscObj<Vec> F;
185 CHKERR m_field.getInterface<VecManager>()->vecCreateGhost("TEST_PROBLEM",
186 ROW, F);
187 SmartPetscObj<Vec> D;
188 CHKERR m_field.getInterface<VecManager>()->vecCreateGhost("TEST_PROBLEM",
189 COL, D);
190
191 auto assemble_matrices_and_vectors = [&]() {
192 MoFEMFunctionBegin;
193 PrismFE fe(m_field);
194 MatrixDouble inv_jac;
195 fe.getOpPtrVector().push_back(
196 new OpMultiplyDeterminantOfJacobianAndWeightsForFatPrisms());
197 fe.getOpPtrVector().push_back(
198 new MoFEM::OpCalculateInvJacForFatPrism(inv_jac));
199 fe.getOpPtrVector().push_back(
200 new MoFEM::OpSetInvJacH1ForFatPrism(inv_jac));
201 fe.getOpPtrVector().push_back(new PrismOpRhs(F));
202 fe.getOpPtrVector().push_back(new PrismOpLhs(A));
203 CHKERR VecZeroEntries(F);
204 CHKERR MatZeroEntries(A);
205 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "PRISM", fe);
206 CHKERR VecAssemblyBegin(F);
207 CHKERR VecAssemblyEnd(F);
208 CHKERR MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);
209 CHKERR MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);
210 MoFEMFunctionReturn(0);
211 };
212
213 auto solve_problem = [&] {
214 MoFEMFunctionBegin;
215 auto solver = createKSP(PETSC_COMM_WORLD);
216 CHKERR KSPSetOperators(solver, A, A);
217 CHKERR KSPSetFromOptions(solver);
218 CHKERR KSPSetUp(solver);
219 CHKERR KSPSolve(solver, F, D);
220 CHKERR VecGhostUpdateBegin(D, INSERT_VALUES, SCATTER_FORWARD);
221 CHKERR VecGhostUpdateEnd(D, INSERT_VALUES, SCATTER_FORWARD);
222 CHKERR m_field.getInterface<VecManager>()->setLocalGhostVector(
223 "TEST_PROBLEM", COL, D, INSERT_VALUES, SCATTER_REVERSE);
224 MoFEMFunctionReturn(0);
225 };
226
227 auto check_solution = [&] {
228 MoFEMFunctionBegin;
229 PrismFE fe(m_field);
230 boost::shared_ptr<VectorDouble> field_vals_ptr(new VectorDouble());
231 boost::shared_ptr<MatrixDouble> diff_field_vals_ptr(new MatrixDouble());
232 MatrixDouble inv_jac;
233 fe.getOpPtrVector().push_back(
234 new OpCalculateInvJacForFatPrism(inv_jac));
235 fe.getOpPtrVector().push_back(
236 new OpSetInvJacH1ForFatPrism(inv_jac));
237 fe.getOpPtrVector().push_back(
238 new OpCalculateScalarFieldValues("FIELD1", field_vals_ptr));
239 fe.getOpPtrVector().push_back(
240 new OpCalculateScalarFieldGradient<3>("FIELD1", diff_field_vals_ptr));
241 fe.getOpPtrVector().push_back(
242 new PrismOpCheck(field_vals_ptr, diff_field_vals_ptr));
243 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "PRISM", fe);
244 MoFEMFunctionReturn(0);
245 };
246
247 CHKERR assemble_matrices_and_vectors();
248 CHKERR solve_problem();
249 CHKERR check_solution();
250 }
251 CATCH_ERRORS;
252
253 MoFEM::Core::Finalize();
254 return 0;
255}
COL
@ COL
Definition: definitions.h:123
ROW
@ ROW
Definition: definitions.h:123
CATCH_ERRORS
#define CATCH_ERRORS
Catch errors.
Definition: definitions.h:372
AINSWORTH_LEGENDRE_BASE
@ AINSWORTH_LEGENDRE_BASE
Ainsworth Cole (Legendre) approx. base .
Definition: definitions.h:60
H1
@ H1
continuous field
Definition: definitions.h:85
MYPCOMM_INDEX
#define MYPCOMM_INDEX
default communicator number PCOMM
Definition: definitions.h:215
MoFEMFunctionBegin
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...
Definition: definitions.h:346
MoFEMFunctionReturn
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
Definition: definitions.h:416
CHKERR
#define CHKERR
Inline error check.
Definition: definitions.h:535
n
FTensor::Index< 'n', SPACE_DIM > n
Definition: fluid_structure_eigenproblem.cpp:66
F
@ F
Definition: free_surface.cpp:401
MoFEM::CoreInterface::add_finite_element
virtual MoFEMErrorCode add_finite_element(const std::string &fe_name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
add finite element
MoFEM::CoreInterface::build_finite_elements
virtual MoFEMErrorCode build_finite_elements(int verb=DEFAULT_VERBOSITY)=0
Build finite elements.
MoFEM::CoreInterface::modify_finite_element_add_field_col
virtual MoFEMErrorCode modify_finite_element_add_field_col(const std::string &fe_name, const std::string name_row)=0
set field col which finite element use
MoFEM::CoreInterface::add_ents_to_finite_element_by_type
virtual MoFEMErrorCode add_ents_to_finite_element_by_type(const EntityHandle entities, const EntityType type, const std::string &name, const bool recursive=true)=0
add entities to finite element
MoFEM::CoreInterface::modify_finite_element_add_field_data
virtual MoFEMErrorCode modify_finite_element_add_field_data(const std::string &fe_name, const std::string name_filed)=0
set finite element field data
MoFEM::CoreInterface::modify_finite_element_add_field_row
virtual MoFEMErrorCode modify_finite_element_add_field_row(const std::string &fe_name, const std::string name_row)=0
set field row which finite element use
MoFEM::CoreInterface::build_fields
virtual MoFEMErrorCode build_fields(int verb=DEFAULT_VERBOSITY)=0
MoFEM::CoreInterface::set_field_order
virtual MoFEMErrorCode set_field_order(const EntityHandle meshset, const EntityType type, const std::string &name, const ApproximationOrder order, int verb=DEFAULT_VERBOSITY)=0
Set order approximation of the entities in the field.
MoFEM::CoreInterface::add_ents_to_field_by_type
virtual MoFEMErrorCode add_ents_to_field_by_type(const Range &ents, const EntityType type, const std::string &name, int verb=DEFAULT_VERBOSITY)=0
Add entities to field meshset.
MoFEM::CoreInterface::loop_finite_elements
virtual MoFEMErrorCode loop_finite_elements(const std::string problem_name, const std::string &fe_name, FEMethod &method, boost::shared_ptr< NumeredEntFiniteElement_multiIndex > fe_ptr=nullptr, MoFEMTypes bh=MF_EXIST, CacheTupleWeakPtr cache_ptr=CacheTupleSharedPtr(), int verb=DEFAULT_VERBOSITY)=0
Make a loop over finite elements.
MoFEM::ProblemsManager::partitionGhostDofs
MoFEMErrorCode partitionGhostDofs(const std::string name, int verb=VERBOSE)
determine ghost nodes
Definition: ProblemsManager.cpp:2339
MoFEM::ProblemsManager::partitionSimpleProblem
MoFEMErrorCode partitionSimpleProblem(const std::string name, int verb=VERBOSE)
partition problem dofs
Definition: ProblemsManager.cpp:1537
MoFEM::ProblemsManager::buildProblem
MoFEMErrorCode buildProblem(const std::string name, const bool square_matrix, int verb=VERBOSE)
build problem data structures
Definition: ProblemsManager.cpp:87
MoFEM::ProblemsManager::partitionFiniteElements
MoFEMErrorCode partitionFiniteElements(const std::string name, bool part_from_moab=false, int low_proc=-1, int hi_proc=-1, int verb=VERBOSE)
partition finite elements
Definition: ProblemsManager.cpp:2167
MoFEM::CoreInterface::add_problem
virtual MoFEMErrorCode add_problem(const std::string &name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
Add problem.
MoFEM::CoreInterface::modify_problem_ref_level_add_bit
virtual MoFEMErrorCode modify_problem_ref_level_add_bit(const std::string &name_problem, const BitRefLevel &bit)=0
add ref level to problem
MoFEM::CoreInterface::modify_problem_add_finite_element
virtual MoFEMErrorCode modify_problem_add_finite_element(const std::string name_problem, const std::string &fe_name)=0
add finite element to problem, this add entities assigned to finite element to a particular problem
D
double D
Definition: initial_diffusion.cpp:44
FTensor::d
const Tensor1_Expr< const dTensor0< T, Dim, i >, typename promote< T, double >::V, Dim, i > d(const Tensor0< T * > &a, const Index< i, Dim > index, const Tensor1< int, Dim > &d_ijk, const Tensor1< double, Dim > &d_xyz)
Definition: dTensor0.hpp:27
MoFEM::Types::MatrixDouble
UBlasMatrix< double > MatrixDouble
Definition: Types.hpp:77
MoFEM::Types::BitRefLevel
std::bitset< BITREFLEVEL_SIZE > BitRefLevel
Bit structure attached to each entity identifying to what mesh entity is attached.
Definition: Types.hpp:40
MoFEM::Types::VectorDouble
UBlasVector< double > VectorDouble
Definition: Types.hpp:68
MoFEM::createKSP
auto createKSP(MPI_Comm comm)
Definition: PetscSmartObj.hpp:257
A
constexpr AssemblyType A
Definition: operators_tests.cpp:30
help
static char help[]
Definition: prism_polynomial_approximation.cpp:12
approx_order
static constexpr int approx_order
Definition: prism_polynomial_approximation.cpp:14
MoFEM::BitRefManager
Managing BitRefLevels.
Definition: BitRefManager.hpp:21
MoFEM::CoreInterface::build_adjacencies
virtual MoFEMErrorCode build_adjacencies(const Range &ents, int verb=DEFAULT_VERBOSITY)=0
build adjacencies
MoFEM::CoreInterface::add_field
virtual MoFEMErrorCode add_field(const std::string &name, const FieldSpace space, const FieldApproximationBase base, const FieldCoefficientsNumber nb_of_coefficients, const TagType tag_type=MB_TAG_SPARSE, const enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
Add field.
MoFEM::CoreTmp< 0 >
Core (interface) class.
Definition: Core.hpp:82
MoFEM::CoreTmp< 0 >::Initialize
static MoFEMErrorCode Initialize(int *argc, char ***args, const char file[], const char help[])
Initializes the MoFEM database PETSc, MOAB and MPI.
Definition: Core.cpp:72
MoFEM::CoreTmp< 0 >::Finalize
static MoFEMErrorCode Finalize()
Checks for options to be called at the conclusion of the program.
Definition: Core.cpp:112
MoFEM::DeprecatedCoreInterface
Deprecated interface functions.
Definition: DeprecatedCoreInterface.hpp:16
MoFEM::MatrixManager
Matrix manager is used to build and partition problems.
Definition: MatrixManager.hpp:21
MoFEM::OpCalculateInvJacForFatPrism
Calculate inverse of jacobian for face element.
Definition: UserDataOperators.hpp:3134
MoFEM::OpCalculateScalarFieldGradient
Get field gradients at integration pts for scalar filed rank 0, i.e. vector field.
Definition: UserDataOperators.hpp:1291
MoFEM::OpCalculateScalarFieldValues
Get value at integration points for scalar field.
Definition: UserDataOperators.hpp:83
MoFEM::OpMultiplyDeterminantOfJacobianAndWeightsForFatPrisms
Operator for fat prism element updating integration weights in the volume.
Definition: UserDataOperators.hpp:3113
MoFEM::OpSetInvJacH1ForFatPrism
Transform local reference derivatives of shape functions to global derivatives.
Definition: UserDataOperators.hpp:3161
MoFEM::PrismsFromSurfaceInterface::seedPrismsEntities
MoFEMErrorCode seedPrismsEntities(Range &prisms, const BitRefLevel &bit, int verb=-1)
Seed prism entities by bit level.
Definition: PrismsFromSurfaceInterface.cpp:110
MoFEM::ProblemsManager
Problem manager is used to build and partition problems.
Definition: ProblemsManager.hpp:21
MoFEM::SmartPetscObj
intrusive_ptr for managing petsc objects
Definition: PetscSmartObj.hpp:79
MoFEM::UnknownInterface::getInterface
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface refernce to pointer of interface.
Definition: UnknownInterface.hpp:93
MoFEM::VecManager
Vector manager is used to create vectors \mofem_vectors.
Definition: VecManager.hpp:23

Variable Documentation

◆ approx_order

constexpr int approx_order = 6
staticconstexpr
Examples
approx_sphere.cpp, eigen_elastic.cpp, heat_equation.cpp, nonlinear_elastic.cpp, photon_diffusion.cpp, prism_polynomial_approximation.cpp, quad_polynomial_approximation.cpp, scalar_check_approximation.cpp, shallow_wave.cpp, thermo_elastic.cpp, and wave_equation.cpp.

Definition at line 14 of file prism_polynomial_approximation.cpp.

◆ help

char help[] = "...\n\n"
static

Definition at line 12 of file prism_polynomial_approximation.cpp.

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