v0.14.0
Functions | Variables
dm_create_subdm.cpp File Reference
#include <MoFEM.hpp>

Go to the source code of this file.

Functions

int main (int argc, char *argv[])
 

Variables

static char help [] = "...\n\n"
 
static const bool debug = false
 

Function Documentation

◆ main()

int main ( int  argc,
char *  argv[] 
)
Examples
dm_create_subdm.cpp.

Definition at line 14 of file dm_create_subdm.cpp.

14  {
15 
16  // initialize petsc
17  MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
18 
19  try {
20 
21  PetscBool flg = PETSC_TRUE;
22  char mesh_file_name[255];
23 #if PETSC_VERSION_GE(3, 6, 4)
24  CHKERR PetscOptionsGetString(PETSC_NULL, "", "-my_file", mesh_file_name,
25  255, &flg);
26 #else
27  CHKERR PetscOptionsGetString(PETSC_NULL, PETSC_NULL, "-my_file",
28  mesh_file_name, 255, &flg);
29 #endif
30  if (flg != PETSC_TRUE) {
31  SETERRQ(PETSC_COMM_SELF, 1, "*** ERROR -my_file (MESH FILE NEEDED)");
32  }
33 
34  // register new dm type, i.e. mofem
35  DMType dm_name = "DMMOFEM";
36  CHKERR DMRegister_MoFEM(dm_name);
37  DMType dm_name_sub = "DMSUB";
38  CHKERR DMRegister_MoFEM(dm_name_sub);
39 
40  // craete dm instance
41  DM dm;
42  CHKERR DMCreate(PETSC_COMM_WORLD, &dm);
43  CHKERR DMSetType(dm, dm_name);
44 
45  DM subdm0, subdm1;
46  CHKERR DMCreate(PETSC_COMM_WORLD, &subdm0);
47  CHKERR DMSetType(subdm0, dm_name_sub);
48  CHKERR DMCreate(PETSC_COMM_WORLD, &subdm1);
49  CHKERR DMSetType(subdm1, dm_name_sub);
50 
51  // read mesh and create moab and mofem data structures
52  moab::Core mb_instance;
53  moab::Interface &moab = mb_instance;
54  ParallelComm *pcomm = ParallelComm::get_pcomm(&moab, MYPCOMM_INDEX);
55  auto moab_comm_wrap =
56  boost::make_shared<WrapMPIComm>(PETSC_COMM_WORLD, false);
57  if (pcomm == NULL)
58  pcomm = new ParallelComm(&moab, moab_comm_wrap->get_comm());
59 
60  const char *option;
61  option = "PARALLEL=BCAST_DELETE;PARALLEL_RESOLVE_SHARED_ENTS;PARTITION="
62  "PARALLEL_PARTITION;";
63  CHKERR moab.load_file(mesh_file_name, 0, option);
64 
65  MoFEM::Core core(moab);
66  MoFEM::Interface &m_field = core;
67 
68  EntityHandle root_set = moab.get_root_set();
69  // add all entities to database, all of them will be used
70  BitRefLevel bit_level0;
71  bit_level0.set(0);
72  CHKERR m_field.getInterface<BitRefManager>()->setBitRefLevelByDim(
73  root_set, 3, bit_level0);
74  // define & build field
75  const int field_rank = 1;
76  CHKERR m_field.add_field("FIELD0", H1, AINSWORTH_LEGENDRE_BASE, field_rank);
77  // add entities to field
78  CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET, "FIELD0");
79  // set app. order
80  CHKERR m_field.set_field_order(root_set, MBVERTEX, "FIELD0", 1);
81  CHKERR m_field.add_field("FIELD1", H1, AINSWORTH_LEGENDRE_BASE, field_rank);
82  // add entities to field
83  CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET, "FIELD1");
84  // set app. order
85  CHKERR m_field.set_field_order(root_set, MBVERTEX, "FIELD1", 1);
86  CHKERR m_field.set_field_order(root_set, MBEDGE, "FIELD1", 2);
87 
88  // build data structures for fields
89  CHKERR m_field.build_fields();
90 
91  // define & build finite elements
92  CHKERR m_field.add_finite_element("FE00");
93  // Define rows/cols and element data
94  CHKERR m_field.modify_finite_element_add_field_row("FE00", "FIELD0");
95  CHKERR m_field.modify_finite_element_add_field_col("FE00", "FIELD0");
96  CHKERR m_field.modify_finite_element_add_field_data("FE00", "FIELD0");
97  // add entities to finite element
98  CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "FE00");
99 
100  // define & build finite elements
101  CHKERR m_field.add_finite_element("FE11");
102  // Define rows/cols and element data
103  CHKERR m_field.modify_finite_element_add_field_row("FE11", "FIELD1");
104  CHKERR m_field.modify_finite_element_add_field_col("FE11", "FIELD1");
105  CHKERR m_field.modify_finite_element_add_field_data("FE11", "FIELD1");
106  // add entities to finite element
107  CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "FE11");
108 
109  // define & build finite elements
110  CHKERR m_field.add_finite_element("FE01");
111  // Define rows/cols and element data
112  CHKERR m_field.modify_finite_element_add_field_row("FE01", "FIELD0");
113  CHKERR m_field.modify_finite_element_add_field_col("FE01", "FIELD1");
114  CHKERR m_field.modify_finite_element_add_field_data("FE01", "FIELD0");
115  CHKERR m_field.modify_finite_element_add_field_data("FE01", "FIELD1");
116  // add entities to finite element
117  CHKERR m_field.add_ents_to_finite_element_by_type(root_set, MBTET, "FE01");
118 
119  // build finite elemnts
120  CHKERR m_field.build_finite_elements();
121  // build adjacencies
122  CHKERR m_field.build_adjacencies(bit_level0);
123 
124  // set dm data structure which created mofem data structures
125  CHKERR DMMoFEMCreateMoFEM(dm, &m_field, "MAIN_PROBLEM", bit_level0);
126  CHKERR DMSetFromOptions(dm);
127  CHKERR DMMoFEMAddElement(dm, "FE00");
128  CHKERR DMMoFEMAddElement(dm, "FE11");
129  CHKERR DMMoFEMAddElement(dm, "FE01");
130  CHKERR DMSetUp(dm);
131  CHKERR m_field.getInterface<MatrixManager>()
132  ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>(
133  "MAIN_PROBLEM", -1, -1, 1);
134 
135  int nf;
136  char **field_names;
137  IS *fields;
138  CHKERR DMCreateFieldIS(dm, &nf, &field_names, &fields);
139  for (int f = 0; f != nf; f++) {
140  PetscPrintf(PETSC_COMM_WORLD, "%d field %s\n", f, field_names[f]);
141  CHKERR PetscFree(field_names[f]);
142  CHKERR ISDestroy(&(fields[f]));
143  }
144  CHKERR PetscFree(field_names);
145  CHKERR PetscFree(fields);
146 
147  CHKERR DMMoFEMCreateSubDM(subdm0, dm, "SUB0");
148  CHKERR DMMoFEMSetSquareProblem(subdm0, PETSC_TRUE);
149  CHKERR DMMoFEMAddElement(subdm0, "FE11");
150 
151  auto verts_ptr = boost::make_shared<Range>();
152  CHKERR moab.get_entities_by_type(0, MBVERTEX, *verts_ptr, true);
153 
154  CHKERR DMMoFEMAddSubFieldRow(subdm0, "FIELD1", verts_ptr);
155  CHKERR DMMoFEMAddSubFieldCol(subdm0, "FIELD1", verts_ptr);
156  CHKERR DMSetUp(subdm0);
157  CHKERR m_field.getInterface<MatrixManager>()
158  ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>("SUB0", -1,
159  -1, 1);
160  if (debug) {
161  Mat A;
162  CHKERR DMCreateMatrix(subdm0, &A);
163  MatView(A, PETSC_VIEWER_DRAW_WORLD);
164  std::string wait;
165  std::cin >> wait;
166  CHKERR MatDestroy(&A);
167  }
168 
169  CHKERR DMMoFEMCreateSubDM(subdm1, dm, "SUB1");
170  CHKERR DMMoFEMSetSquareProblem(subdm1, PETSC_FALSE);
171  CHKERR DMMoFEMAddElement(subdm1, "FE01");
172  CHKERR DMMoFEMAddSubFieldRow(subdm1, "FIELD0");
173  CHKERR DMMoFEMAddSubFieldCol(subdm1, "FIELD1");
174  CHKERR DMSetUp(subdm1);
175  CHKERR m_field.getInterface<MatrixManager>()
176  ->checkMPIAIJWithArraysMatrixFillIn<PetscGlobalIdx_mi_tag>("SUB1", -1,
177  -1, 1);
178 
179  if (debug) {
180  Mat B;
181  CHKERR DMCreateMatrix(subdm1, &B);
182  MatView(B, PETSC_VIEWER_DRAW_WORLD);
183  std::string wait;
184  std::cin >> wait;
185  CHKERR MatDestroy(&B);
186  }
187 
188  // destry dm
189  CHKERR DMDestroy(&dm);
190  CHKERR DMDestroy(&subdm0);
191  CHKERR DMDestroy(&subdm1);
192  }
193  CATCH_ERRORS;
194 
195  // finish work cleaning memory, getting statistics, ect.
196  CHKERR MoFEM::Core::Finalize();
197 
198  return 0;
199 }

Variable Documentation

◆ debug

const bool debug = false
static
Examples
bernstein_bezier_generate_base.cpp, dm_create_subdm.cpp, gauss_points_on_outer_product.cpp, and mesh_cut.cpp.

Definition at line 12 of file dm_create_subdm.cpp.

◆ help

char help[] = "...\n\n"
static
Examples
dm_create_subdm.cpp.

Definition at line 10 of file dm_create_subdm.cpp.

MoFEM::UnknownInterface::getInterface
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface reference to pointer of interface.
Definition: UnknownInterface.hpp:93
MYPCOMM_INDEX
#define MYPCOMM_INDEX
default communicator number PCOMM
Definition: definitions.h:228
MoFEM::CoreTmp< 0 >
Core (interface) class.
Definition: Core.hpp:82
H1
@ H1
continuous field
Definition: definitions.h:85
MoFEM::DMMoFEMAddSubFieldCol
PetscErrorCode DMMoFEMAddSubFieldCol(DM dm, const char field_name[])
Definition: DMMoFEM.cpp:280
EntityHandle
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::DMMoFEMSetSquareProblem
PetscErrorCode DMMoFEMSetSquareProblem(DM dm, PetscBool square_problem)
set squared problem
Definition: DMMoFEM.cpp:456
A
constexpr AssemblyType A
Definition: operators_tests.cpp:30
MoFEM::CoreTmp< 0 >::Finalize
static MoFEMErrorCode Finalize()
Checks for options to be called at the conclusion of the program.
Definition: Core.cpp:112
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::DMMoFEMAddElement
PetscErrorCode DMMoFEMAddElement(DM dm, std::string fe_name)
add element to dm
Definition: DMMoFEM.cpp:497
MoFEM::DeprecatedCoreInterface
Deprecated interface functions.
Definition: DeprecatedCoreInterface.hpp:16
MoFEM::Interface
DeprecatedCoreInterface Interface
Definition: Interface.hpp:2010
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
CHKERR
#define CHKERR
Inline error check.
Definition: definitions.h:548
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::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
help
static char help[]
Definition: dm_create_subdm.cpp:10
MoFEM::CoreInterface::build_finite_elements
virtual MoFEMErrorCode build_finite_elements(int verb=DEFAULT_VERBOSITY)=0
Build finite elements.
MoFEM::DMMoFEMCreateSubDM
PetscErrorCode DMMoFEMCreateSubDM(DM subdm, DM dm, const char problem_name[])
Must be called by user to set Sub DM MoFEM data structures.
Definition: DMMoFEM.cpp:215
MoFEM::DMRegister_MoFEM
PetscErrorCode DMRegister_MoFEM(const char sname[])
Register MoFEM problem.
Definition: DMMoFEM.cpp:43
debug
static const bool debug
Definition: dm_create_subdm.cpp:12
MoFEM::DMMoFEMCreateMoFEM
PetscErrorCode DMMoFEMCreateMoFEM(DM dm, MoFEM::Interface *m_field_ptr, const char problem_name[], const MoFEM::BitRefLevel bit_level, const MoFEM::BitRefLevel bit_mask=MoFEM::BitRefLevel().set())
Must be called by user to set MoFEM data structures.
Definition: DMMoFEM.cpp:114
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_field)=0
set finite element field data
mesh_file_name
char mesh_file_name[255]
Definition: mesh_smoothing.cpp:22
MoFEM::MatrixManager
Matrix manager is used to build and partition problems.
Definition: MatrixManager.hpp:21
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
CATCH_ERRORS
#define CATCH_ERRORS
Catch errors.
Definition: definitions.h:385
MoFEM::Core
CoreTmp< 0 > Core
Definition: Core.hpp:1148
HenckyOps::f
auto f
Definition: HenckyOps.hpp:15
AINSWORTH_LEGENDRE_BASE
@ AINSWORTH_LEGENDRE_BASE
Ainsworth Cole (Legendre) approx. base .
Definition: definitions.h:60
MoFEM::PetscOptionsGetString
PetscErrorCode PetscOptionsGetString(PetscOptions *, const char pre[], const char name[], char str[], size_t size, PetscBool *set)
Definition: DeprecatedPetsc.hpp:172
MoFEM::CoreInterface::build_fields
virtual MoFEMErrorCode build_fields(int verb=DEFAULT_VERBOSITY)=0
MoFEM::BitRefManager
Managing BitRefLevels.
Definition: BitRefManager.hpp:21
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::CoreInterface::build_adjacencies
virtual MoFEMErrorCode build_adjacencies(const Range &ents, int verb=DEFAULT_VERBOSITY)=0
build adjacencies
MoFEM::DMMoFEMAddSubFieldRow
PetscErrorCode DMMoFEMAddSubFieldRow(DM dm, const char field_name[])
Definition: DMMoFEM.cpp:238
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_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.
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