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thermal_with_analytical_bc.cpp File Reference
#include <boost/iostreams/tee.hpp>
#include <boost/iostreams/stream.hpp>
#include <fstream>
#include <iostream>
#include <MoFEM.hpp>
#include <MethodForForceScaling.hpp>
#include <DirichletBC.hpp>
#include <PostProcOnRefMesh.hpp>
#include <ThermalElement.hpp>
#include <Projection10NodeCoordsOnField.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/numeric/ublas/vector_proxy.hpp>
#include <AnalyticalDirichlet.hpp>

Go to the source code of this file.

Classes

struct  AnalyticalFunction
 

Functions

int main (int argc, char *argv[])
 

Variables

static int debug = 1
 
static char help [] = "...\n\n"
 

Function Documentation

◆ main()

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

Definition at line 46 of file thermal_with_analytical_bc.cpp.

46 {
47
48 MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
49
50 try {
51
52 moab::Core mb_instance;
53 moab::Interface &moab = mb_instance;
54 int rank;
55 MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
56
57 PetscBool flg = PETSC_TRUE;
58 char mesh_file_name[255];
59 CHKERR PetscOptionsGetString(PETSC_NULLPTR, PETSC_NULLPTR, "-my_file",
60 mesh_file_name, 255, &flg);
61 if (flg != PETSC_TRUE) {
62 SETERRQ(PETSC_COMM_SELF, 1, "*** ERROR -my_file (MESH FILE NEEDED)");
63 }
64
65 const char *option;
66 option = "";
67 CHKERR moab.load_file(mesh_file_name, 0, option);
68
69 // Create MoFEM (Joseph) database
70 MoFEM::Core core(moab);
71 MoFEM::Interface &m_field = core;
72
73 // set entitities bit level
74 BitRefLevel bit_level0;
75 bit_level0.set(0);
76 EntityHandle meshset_level0;
77 CHKERR moab.create_meshset(MESHSET_SET, meshset_level0);
78 CHKERR m_field.getInterface<BitRefManager>()->setBitRefLevelByDim(
79 0, 3, bit_level0);
80
81 // Fields
82 CHKERR m_field.add_field("TEMP", H1, AINSWORTH_LEGENDRE_BASE, 1);
83
84 // Problem
85 CHKERR m_field.add_problem("TEST_PROBLEM");
86 CHKERR m_field.add_problem("BC_PROBLEM");
87
88 // set refinement level for problem
89 CHKERR m_field.modify_problem_ref_level_add_bit("TEST_PROBLEM", bit_level0);
90 CHKERR m_field.modify_problem_ref_level_add_bit("BC_PROBLEM", bit_level0);
91
92 // meshset consisting all entities in mesh
93 EntityHandle root_set = moab.get_root_set();
94 CHKERR m_field.add_field("MESH_NODE_POSITIONS", H1, AINSWORTH_LEGENDRE_BASE,
95 3);
96 CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET,
97 "MESH_NODE_POSITIONS");
98 CHKERR m_field.set_field_order(0, MBTET, "MESH_NODE_POSITIONS", 2);
99 CHKERR m_field.set_field_order(0, MBTRI, "MESH_NODE_POSITIONS", 2);
100 CHKERR m_field.set_field_order(0, MBEDGE, "MESH_NODE_POSITIONS", 2);
101 CHKERR m_field.set_field_order(0, MBVERTEX, "MESH_NODE_POSITIONS", 1);
102
103 // add entities to field
104 CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET, "TEMP");
105
106 // set app. order
107 // see Hierarchic Finite Element Bases on Unstructured Tetrahedral Meshes
108 // (Mark Ainsworth & Joe Coyle)
109 PetscInt order;
110 CHKERR PetscOptionsGetInt(PETSC_NULLPTR, PETSC_NULLPTR, "-my_order", &order,
111 &flg);
112 if (flg != PETSC_TRUE) {
113 order = 2;
114 }
115 CHKERR m_field.set_field_order(root_set, MBTET, "TEMP", order);
116 CHKERR m_field.set_field_order(root_set, MBTRI, "TEMP", order);
117 CHKERR m_field.set_field_order(root_set, MBEDGE, "TEMP", order);
118 CHKERR m_field.set_field_order(root_set, MBVERTEX, "TEMP", 1);
119
120 ThermalElement thermal_elements(m_field);
121 CHKERR thermal_elements.addThermalElements("TEMP");
122 CHKERR m_field.modify_problem_add_finite_element("TEST_PROBLEM",
123 "THERMAL_FE");
124
125 Range bc_tris;
126 for (_IT_CUBITMESHSETS_BY_NAME_FOR_LOOP_(m_field, "ANALYTICAL_BC", it)) {
127 CHKERR moab.get_entities_by_type(it->getMeshset(), MBTRI, bc_tris, true);
128 }
129
130 AnalyticalDirichletBC analytical_bc(m_field);
131 CHKERR analytical_bc.setFiniteElement(m_field, "BC_FE", "TEMP", bc_tris);
132 CHKERR m_field.modify_problem_add_finite_element("BC_PROBLEM", "BC_FE");
133
134 /****/
135 // build database
136 // build field
137 CHKERR m_field.build_fields();
138 // build finite elemnts
139 CHKERR m_field.build_finite_elements();
140 // build adjacencies
141 CHKERR m_field.build_adjacencies(bit_level0);
142 // build problem
143 ProblemsManager *prb_mng_ptr;
144 CHKERR m_field.getInterface(prb_mng_ptr);
145 CHKERR prb_mng_ptr->buildProblem("TEST_PROBLEM", true);
146 CHKERR prb_mng_ptr->buildProblem("BC_PROBLEM", true);
147
148 Projection10NodeCoordsOnField ent_method_material(m_field,
149 "MESH_NODE_POSITIONS");
150 CHKERR m_field.loop_dofs("MESH_NODE_POSITIONS", ent_method_material);
151
152 /****/
153 // mesh partitioning
154 // partition
155 CHKERR prb_mng_ptr->partitionSimpleProblem("TEST_PROBLEM");
156 CHKERR prb_mng_ptr->partitionFiniteElements("TEST_PROBLEM");
157 // what are ghost nodes, see Petsc Manual
158 CHKERR prb_mng_ptr->partitionGhostDofs("TEST_PROBLEM");
159
160 CHKERR prb_mng_ptr->partitionSimpleProblem("BC_PROBLEM");
161 CHKERR prb_mng_ptr->partitionFiniteElements("BC_PROBLEM");
162 // what are ghost nodes, see Petsc Manual
163 CHKERR prb_mng_ptr->partitionGhostDofs("BC_PROBLEM");
164
165 Vec F;
166 CHKERR m_field.getInterface<VecManager>()->vecCreateGhost("TEST_PROBLEM",
167 ROW, &F);
168 Vec T;
169 CHKERR VecDuplicate(F, &T);
170 Mat A;
171 CHKERR m_field.getInterface<MatrixManager>()
172 ->createMPIAIJWithArrays<PetscGlobalIdx_mi_tag>("TEST_PROBLEM", &A);
173
174 CHKERR addHOOpsVol("MESH_NODE_POSITIONS", thermal_elements.getLoopFeRhs(),
175 true, false, false, false);
176 CHKERR addHOOpsVol("MESH_NODE_POSITIONS", thermal_elements.getLoopFeLhs(),
177 true, false, false, false);
178
179 CHKERR thermal_elements.setThermalFiniteElementRhsOperators("TEMP", F);
180 CHKERR thermal_elements.setThermalFiniteElementLhsOperators("TEMP", A);
181 CHKERR thermal_elements.setThermalFluxFiniteElementRhsOperators("TEMP", F);
182
183 CHKERR VecZeroEntries(T);
184 CHKERR VecZeroEntries(F);
185 CHKERR MatZeroEntries(A);
186
187 // analytical Dirichlet bc
188 AnalyticalDirichletBC::DirichletBC analytical_dirichlet_bc(m_field, "TEMP",
189 A, T, F);
190
191 // solve for dirichlet bc dofs
192 CHKERR analytical_bc.setUpProblem(m_field, "BC_PROBLEM");
193
194 boost::shared_ptr<AnalyticalFunction> testing_function =
195 boost::shared_ptr<AnalyticalFunction>(new AnalyticalFunction);
196
197 CHKERR analytical_bc.setApproxOps(m_field, "TEMP", testing_function, 0);
198 CHKERR analytical_bc.solveProblem(m_field, "BC_PROBLEM", "BC_FE",
199 analytical_dirichlet_bc);
200
201 CHKERR analytical_bc.destroyProblem();
202
203 // preproc
204 CHKERR m_field.problem_basic_method_preProcess("TEST_PROBLEM",
205 analytical_dirichlet_bc);
206
207 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "THERMAL_FE",
208 thermal_elements.getLoopFeRhs());
209 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "THERMAL_FE",
210 thermal_elements.getLoopFeLhs());
211 if (m_field.check_finite_element("THERMAL_FLUX_FE"))
212 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "THERMAL_FLUX_FE",
213 thermal_elements.getLoopFeFlux());
214
215 // postproc
216 CHKERR m_field.problem_basic_method_postProcess("TEST_PROBLEM",
217 analytical_dirichlet_bc);
218
219 CHKERR VecGhostUpdateBegin(F, ADD_VALUES, SCATTER_REVERSE);
220 CHKERR VecGhostUpdateEnd(F, ADD_VALUES, SCATTER_REVERSE);
221 CHKERR VecAssemblyBegin(F);
222 CHKERR VecAssemblyEnd(F);
223 CHKERR MatAssemblyBegin(A, MAT_FINAL_ASSEMBLY);
224 CHKERR MatAssemblyEnd(A, MAT_FINAL_ASSEMBLY);
225
226 CHKERR VecScale(F, -1);
227 // std::string wait;
228 // std::cout << "\n matrix is coming = \n" << std::endl;
229 // CHKERR MatView(A,PETSC_VIEWER_DRAW_WORLD);
230 // std::cin >> wait;
231
232 // Solver
233 KSP solver;
234 CHKERR KSPCreate(PETSC_COMM_WORLD, &solver);
235 CHKERR KSPSetOperators(solver, A, A);
236 CHKERR KSPSetFromOptions(solver);
237 CHKERR KSPSetUp(solver);
238
239 CHKERR KSPSolve(solver, F, T);
240 CHKERR VecGhostUpdateBegin(T, INSERT_VALUES, SCATTER_FORWARD);
241 CHKERR VecGhostUpdateEnd(T, INSERT_VALUES, SCATTER_FORWARD);
242
243 // Save data on mesh
244 // CHKERR
245 // m_field.problem_basic_method_preProcess("TEST_PROBLEM",analytical_dirichlet_bc);
246 CHKERR m_field.getInterface<VecManager>()->setGlobalGhostVector(
247 "TEST_PROBLEM", ROW, T, ADD_VALUES, SCATTER_REVERSE);
248 CHKERR m_field.getInterface<VecManager>()->setLocalGhostVector(
249 "TEST_PROBLEM", ROW, T, INSERT_VALUES, SCATTER_FORWARD);
250
251 // CHKERR VecView(F,PETSC_VIEWER_STDOUT_WORLD);
252
253 // CHKERR VecView(T,PETSC_VIEWER_STDOUT_WORLD);
254
255 PetscReal pointwisenorm;
256 CHKERR VecMax(T, NULL, &pointwisenorm);
257 std::cout << "\n The Global Pointwise Norm of error for this problem is : "
258 << pointwisenorm << std::endl;
259
260 // PetscViewer viewer;
261 // PetscViewerASCIIOpen(PETSC_COMM_WORLD,"thermal_with_analytical_bc.txt",&viewer);
262 // CHKERR VecChop(T,1e-4);
263 // CHKERR VecView(T,viewer);
264 // CHKERR PetscViewerDestroy(&viewer);
265
266 double sum = 0;
267 CHKERR VecSum(T, &sum);
268 CHKERR PetscPrintf(PETSC_COMM_WORLD, "sum = %9.8e\n", sum);
269 double fnorm;
270 CHKERR VecNorm(T, NORM_2, &fnorm);
271 CHKERR PetscPrintf(PETSC_COMM_WORLD, "fnorm = %9.8e\n", fnorm);
272 if (fabs(sum + 6.46079983e-01) > 1e-7) {
273 SETERRQ(PETSC_COMM_WORLD, MOFEM_ATOM_TEST_INVALID, "Failed to pass test");
274 }
275 if (fabs(fnorm - 4.26080052e+00) > 1e-6) {
276 SETERRQ(PETSC_COMM_WORLD, MOFEM_ATOM_TEST_INVALID, "Failed to pass test");
277 }
278
279 if (debug) {
280
281 PostProcVolumeOnRefinedMesh post_proc(m_field);
282 CHKERR post_proc.generateReferenceElementMesh();
283 CHKERR addHOOpsVol("MESH_NODE_POSITIONS", post_proc, true, false, false,
284 false);
285 CHKERR post_proc.addFieldValuesPostProc("TEMP");
286 CHKERR post_proc.addFieldValuesPostProc("MESH_NODE_POSITIONS");
287 CHKERR post_proc.addFieldValuesGradientPostProc("TEMP");
288 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", "THERMAL_FE",
289 post_proc);
290 CHKERR post_proc.writeFile("out.h5m");
291 }
292
293 CHKERR MatDestroy(&A);
294 CHKERR VecDestroy(&F);
295 CHKERR VecDestroy(&T);
296 CHKERR KSPDestroy(&solver);
297 }
298 CATCH_ERRORS;
299
300 MoFEM::Core::Finalize();
301
302 return 0;
303}
ROW
@ ROW
Definition definitions.h:136
CATCH_ERRORS
#define CATCH_ERRORS
Catch errors.
Definition definitions.h:385
AINSWORTH_LEGENDRE_BASE
@ AINSWORTH_LEGENDRE_BASE
Ainsworth Cole (Legendre) approx. base .
Definition definitions.h:60
H1
@ H1
continuous field
Definition definitions.h:85
MOFEM_ATOM_TEST_INVALID
@ MOFEM_ATOM_TEST_INVALID
Definition definitions.h:40
CHKERR
#define CHKERR
Inline error check.
Definition definitions.h:551
order
constexpr int order
Definition dg_projection.cpp:19
F
@ F
Definition free_surface.cpp:624
MoFEM::CoreInterface::build_finite_elements
virtual MoFEMErrorCode build_finite_elements(int verb=DEFAULT_VERBOSITY)=0
Build finite elements.
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_dofs
virtual MoFEMErrorCode loop_dofs(const Problem *problem_ptr, const std::string &field_name, RowColData rc, DofMethod &method, int lower_rank, int upper_rank, int verb=DEFAULT_VERBOSITY)=0
Make a loop over dofs.
MoFEM::CoreInterface::problem_basic_method_postProcess
virtual MoFEMErrorCode problem_basic_method_postProcess(const Problem *problem_ptr, BasicMethod &method, int verb=DEFAULT_VERBOSITY)=0
Set data for BasicMethod.
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.
_IT_CUBITMESHSETS_BY_NAME_FOR_LOOP_
#define _IT_CUBITMESHSETS_BY_NAME_FOR_LOOP_(MESHSET_MANAGER, NAME, IT)
Iterator that loops over Cubit BlockSet having a particular name.
Definition MeshsetsManager.hpp:117
MoFEM::ProblemsManager::partitionGhostDofs
MoFEMErrorCode partitionGhostDofs(const std::string name, int verb=VERBOSE)
determine ghost nodes
Definition ProblemsManager.cpp:2344
MoFEM::ProblemsManager::partitionSimpleProblem
MoFEMErrorCode partitionSimpleProblem(const std::string name, int verb=VERBOSE)
partition problem dofs
Definition ProblemsManager.cpp:1533
MoFEM::ProblemsManager::buildProblem
MoFEMErrorCode buildProblem(const std::string name, const bool square_matrix, int verb=VERBOSE)
build problem data structures
Definition ProblemsManager.cpp:86
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:2163
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
mesh_file_name
char mesh_file_name[255]
Definition mesh_smoothing.cpp:22
EigenMatrix::Vec
const FTensor::Tensor2< T, Dim, Dim > Vec
Definition MatrixFunction.hpp:64
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::PetscOptionsGetInt
PetscErrorCode PetscOptionsGetInt(PetscOptions *, const char pre[], const char name[], PetscInt *ivalue, PetscBool *set)
Definition DeprecatedPetsc.hpp:142
MoFEM::debug
static const bool debug
Definition ConstrainMatrixCtx.cpp:9
MoFEM::PetscOptionsGetString
PetscErrorCode PetscOptionsGetString(PetscOptions *, const char pre[], const char name[], char str[], size_t size, PetscBool *set)
Definition DeprecatedPetsc.hpp:172
MoFEM::addHOOpsVol
MoFEMErrorCode addHOOpsVol(const std::string field, E &e, bool h1, bool hcurl, bool hdiv, bool l2)
Definition HODataOperators.hpp:986
A
constexpr AssemblyType A
Definition operators_tests.cpp:30
AnalyticalDirichletBC::DirichletBC
Structure used to enforce analytical boundary conditions.
Definition AnalyticalDirichlet.hpp:124
AnalyticalDirichletBC
Analytical Dirichlet boundary conditions.
Definition AnalyticalDirichlet.hpp:18
MoFEM::BitRefManager
Managing BitRefLevels.
Definition BitRefManager.hpp:21
MoFEM::CoreInterface::check_finite_element
virtual bool check_finite_element(const std::string &name) const =0
Check if finite element is in database.
MoFEM::CoreInterface::problem_basic_method_preProcess
virtual MoFEMErrorCode problem_basic_method_preProcess(const Problem *problem_ptr, BasicMethod &method, int verb=DEFAULT_VERBOSITY)=0
Set data for BasicMethod.
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:118
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::ProblemsManager
Problem manager is used to build and partition problems.
Definition ProblemsManager.hpp:133
MoFEM::Projection10NodeCoordsOnField
Projection of edge entities with one mid-node on hierarchical basis.
Definition Projection10NodeCoordsOnField.hpp:24
MoFEM::UnknownInterface::getInterface
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface reference to pointer of interface.
Definition UnknownInterface.hpp:93
MoFEM::VecManager
Vector manager is used to create vectors \mofem_vectors.
Definition VecManager.hpp:23
ThermalElement
structure grouping operators and data used for thermal problems
Definition ThermalElement.hpp:27
help
static char help[]
Definition thermal_with_analytical_bc.cpp:32

Variable Documentation

◆ debug

int debug = 1
static

Definition at line 31 of file thermal_with_analytical_bc.cpp.

◆ help

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

Definition at line 32 of file thermal_with_analytical_bc.cpp.

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