v0.13.2
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Functions | Variables
build_problems.cpp File Reference

Atom test for building composite problem. More...

#include <MoFEM.hpp>

Go to the source code of this file.

Functions

int main (int argc, char *argv[])
 

Variables

static char help [] = "...\n\n"
 

Detailed Description

Atom test for building composite problem.

Bug:
Not verifying what if partitioned mesh is loaded.

Definition in file build_problems.cpp.

Function Documentation

◆ main()

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

Definition at line 14 of file build_problems.cpp.

14 {
15
16 MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
17
18 try {
19
20 moab::Core mb_instance;
21 moab::Interface &moab = mb_instance;
22 int rank;
23 MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
24
25 PetscBool flg = PETSC_TRUE;
26 char mesh_file_name[255];
27#if PETSC_VERSION_GE(3, 6, 4)
28 CHKERR PetscOptionsGetString(PETSC_NULL, "", "-my_file", mesh_file_name,
29 255, &flg);
30#else
31 CHKERR PetscOptionsGetString(PETSC_NULL, PETSC_NULL, "-my_file",
32 mesh_file_name, 255, &flg);
33#endif
34 if (flg != PETSC_TRUE) {
35 SETERRQ(PETSC_COMM_SELF, 1, "*** ERROR -my_file (MESH FILE NEEDED)");
36 }
37
38 CHKERR moab.load_file(mesh_file_name, 0, "");
39
40 // Create MoFEM database
41 MoFEM::Core core(moab);
42 MoFEM::Interface &m_field = core;
43
44 // set entities bit level
45 BitRefLevel bit_level0;
46 bit_level0.set(0);
47 CHKERR m_field.getInterface<BitRefManager>()->setBitRefLevelByDim(
48 0, 3, bit_level0);
49
50 // Fields
51 CHKERR m_field.add_field("F1", L2, AINSWORTH_LEGENDRE_BASE, 1);
52 CHKERR m_field.add_field("F2", HDIV, DEMKOWICZ_JACOBI_BASE, 1);
53
54 // meshset consisting all entities in mesh
55 EntityHandle root_set = moab.get_root_set();
56 // add entities to field
57 CHKERR m_field.add_ents_to_field_by_dim(root_set, 3, "F1", VERBOSE);
58 CHKERR m_field.add_ents_to_field_by_dim(root_set, 3, "F2", VERBOSE);
59
60 // set app. order
61 // see Hierarchic Finite Element Bases on Unstructured Tetrahedral Meshes
62 // (Mark Ainsworth & Joe Coyle)
63 int order = 2;
64 CHKERR m_field.set_field_order(root_set, MBTET, "F1", order - 1);
65 CHKERR m_field.set_field_order(root_set, MBHEX, "F1", order - 1);
66 CHKERR m_field.set_field_order(root_set, MBTET, "F2", order);
67 CHKERR m_field.set_field_order(root_set, MBTRI, "F2", order);
68 CHKERR m_field.set_field_order(root_set, MBHEX, "F2", order);
69 CHKERR m_field.set_field_order(root_set, MBQUAD, "F2", order);
70
71 CHKERR m_field.build_fields();
72
73 // add elements
74 CHKERR m_field.add_finite_element("E1");
75 CHKERR m_field.add_finite_element("E2");
76 CHKERR m_field.add_finite_element("E3");
77
82 // To build composite problem
85
86 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "E1");
87 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "E2");
88 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "E3");
89 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBHEX, "E1");
90 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBHEX, "E2");
91 CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBHEX, "E3");
92
94 CHKERR m_field.build_adjacencies(bit_level0);
95
96 // Problems
97 CHKERR m_field.add_problem("P1");
98 CHKERR m_field.add_problem("P2");
99
100 // set refinement level for problem
101 CHKERR m_field.modify_problem_ref_level_add_bit("P1", bit_level0);
102 CHKERR m_field.modify_problem_ref_level_add_bit("P2", bit_level0);
103
104 CHKERR m_field.modify_problem_add_finite_element("P1", "E1");
105 CHKERR m_field.modify_problem_add_finite_element("P2", "E2");
106
107 // build problems
108 ProblemsManager *prb_mng_ptr;
109 CHKERR m_field.getInterface(prb_mng_ptr);
110 CHKERR prb_mng_ptr->buildProblem("P1", true);
111 CHKERR prb_mng_ptr->buildProblem("P2", true);
112 CHKERR prb_mng_ptr->partitionProblem("P1");
113 CHKERR prb_mng_ptr->partitionProblem("P2");
114
115 CHKERR prb_mng_ptr->partitionFiniteElements("P1");
116 CHKERR prb_mng_ptr->partitionGhostDofs("P1");
118 ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>("P1", -1, -1,
119 0);
120 CHKERR prb_mng_ptr->partitionFiniteElements("P2");
121 CHKERR prb_mng_ptr->partitionGhostDofs("P2");
123 ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>("P2", -1, -1,
124 0);
125 // compose problem
126 CHKERR m_field.add_problem("P3");
127 CHKERR m_field.modify_problem_ref_level_add_bit("P3", bit_level0);
128 CHKERR m_field.modify_problem_add_finite_element("P3", "E3");
129
130 CHKERR prb_mng_ptr->buildProblem("P3", false);
131 CHKERR prb_mng_ptr->inheritPartition("P3", "P1", false, "P2", true);
132 CHKERR prb_mng_ptr->partitionFiniteElements("P3");
133 CHKERR prb_mng_ptr->partitionGhostDofs("P3");
135 ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>("P3", -1, -1,
136 0);
137 }
139
140 // finish work cleaning memory, getting statistics, etc.
142
143 return 0;
144}
static char help[]
@ VERBOSE
Definition: definitions.h:209
#define CATCH_ERRORS
Catch errors.
Definition: definitions.h:372
@ AINSWORTH_LEGENDRE_BASE
Ainsworth Cole (Legendre) approx. base .
Definition: definitions.h:60
@ DEMKOWICZ_JACOBI_BASE
Definition: definitions.h:66
@ L2
field with C-1 continuity
Definition: definitions.h:88
@ HDIV
field with continuous normal traction
Definition: definitions.h:87
#define CHKERR
Inline error check.
Definition: definitions.h:535
virtual MoFEMErrorCode add_finite_element(const std::string &fe_name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
add finite element
virtual MoFEMErrorCode build_finite_elements(int verb=DEFAULT_VERBOSITY)=0
Build finite elements.
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
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
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
virtual MoFEMErrorCode build_fields(int verb=DEFAULT_VERBOSITY)=0
virtual MoFEMErrorCode add_ents_to_field_by_dim(const Range &ents, const int dim, const std::string &name, int verb=DEFAULT_VERBOSITY)=0
Add entities to field meshset.
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.
MoFEMErrorCode partitionGhostDofs(const std::string name, int verb=VERBOSE)
determine ghost nodes
MoFEMErrorCode buildProblem(const std::string name, const bool square_matrix, int verb=VERBOSE)
build problem data structures
MoFEMErrorCode partitionProblem(const std::string name, int verb=VERBOSE)
partition problem dofs (collective)
MoFEMErrorCode inheritPartition(const std::string name, const std::string problem_for_rows, bool copy_rows, const std::string problem_for_cols, bool copy_cols, int verb=VERBOSE)
build indexing and partition problem inheriting indexing and partitioning from two other problems
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
virtual MoFEMErrorCode add_problem(const std::string &name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
Add problem.
virtual MoFEMErrorCode modify_problem_ref_level_add_bit(const std::string &name_problem, const BitRefLevel &bit)=0
add ref level to problem
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
char mesh_file_name[255]
std::bitset< BITREFLEVEL_SIZE > BitRefLevel
Bit structure attached to each entity identifying to what mesh entity is attached.
Definition: Types.hpp:40
PetscErrorCode PetscOptionsGetString(PetscOptions *, const char pre[], const char name[], char str[], size_t size, PetscBool *set)
Managing BitRefLevels.
virtual MoFEMErrorCode build_adjacencies(const Range &ents, int verb=DEFAULT_VERBOSITY)=0
build adjacencies
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.
Core (interface) class.
Definition: Core.hpp:82
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
static MoFEMErrorCode Finalize()
Checks for options to be called at the conclusion of the program.
Definition: Core.cpp:112
Deprecated interface functions.
Matrix manager is used to build and partition problems.
Problem manager is used to build and partition problems.
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface refernce to pointer of interface.

Variable Documentation

◆ help

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

Definition at line 12 of file build_problems.cpp.