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Functions | Variables
neumann_forces.cpp File Reference
#include <BasicFiniteElements.hpp>

Go to the source code of this file.

Functions

int main (int argc, char *argv[])
 

Variables

static char help [] = "...\n\n"
 

Function Documentation

◆ main()

int main ( int argc,
char * argv[] )

Definition at line 12 of file neumann_forces.cpp.

12 {
13
14 MoFEM::Core::Initialize(&argc, &argv, (char *)0, help);
15
16 try {
17
18 moab::Core mb_instance;
19 moab::Interface &moab = mb_instance;
20 int rank;
21 MPI_Comm_rank(PETSC_COMM_WORLD, &rank);
22
23 PetscBool flg = PETSC_TRUE;
24 char mesh_file_name[255];
25 CHKERR PetscOptionsGetString(PETSC_NULL, PETSC_NULL, "-my_file",
26 mesh_file_name, 255, &flg);
27 if (flg != PETSC_TRUE) {
28 SETERRQ(PETSC_COMM_SELF, 1, "*** ERROR -my_file (MESH FILE NEEDED)");
29 }
30
31 const char *option;
32 option = "";
33 CHKERR moab.load_file(mesh_file_name, 0, option);
34
35 // Create MoFEM (Joseph) database
36 MoFEM::Core core(moab);
37 MoFEM::Interface &m_field = core;
38
39 // set entitities bit level
40 BitRefLevel bit_level0;
41 bit_level0.set(0);
42 EntityHandle meshset_level0;
43 CHKERR moab.create_meshset(MESHSET_SET, meshset_level0);
44 CHKERR m_field.getInterface<BitRefManager>()->setBitRefLevelByDim(
45 0, 3, bit_level0);
46
47 // Fields
48 CHKERR m_field.add_field("DISPLACEMENT", H1, AINSWORTH_LEGENDRE_BASE, 3);
49 CHKERR m_field.add_field("MESH_NODE_POSITIONS", H1, AINSWORTH_LEGENDRE_BASE,
50 3);
51
52 // Problem
53 CHKERR m_field.add_problem("TEST_PROBLEM");
54 // set refinement level for problem
55 CHKERR m_field.modify_problem_ref_level_add_bit("TEST_PROBLEM", bit_level0);
56
57 // meshset consisting all entities in mesh
58 EntityHandle root_set = moab.get_root_set();
59 // add entities to field
60 CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET, "DISPLACEMENT");
61 CHKERR m_field.add_ents_to_field_by_type(root_set, MBTET,
62 "MESH_NODE_POSITIONS");
63
64 for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(m_field, NODESET | FORCESET,
65 it)) {
66
67 std::ostringstream fe_name;
68 fe_name << "FORCE_FE_" << it->getMeshsetId();
69 CHKERR m_field.add_finite_element(fe_name.str());
70 CHKERR m_field.modify_finite_element_add_field_row(fe_name.str(),
71 "DISPLACEMENT");
72 CHKERR m_field.modify_finite_element_add_field_col(fe_name.str(),
73 "DISPLACEMENT");
74 CHKERR m_field.modify_finite_element_add_field_data(fe_name.str(),
75 "DISPLACEMENT");
76 CHKERR m_field.modify_problem_add_finite_element("TEST_PROBLEM",
77 fe_name.str());
78
79 Range tris;
80 CHKERR moab.get_entities_by_type(it->meshset, MBTRI, tris, true);
81 CHKERR m_field.add_ents_to_finite_element_by_type(tris, MBTRI,
82 fe_name.str());
83 }
84
85 for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(
86 m_field, SIDESET | PRESSURESET, it)) {
87
88 std::ostringstream fe_name;
89 fe_name << "PRESSURE_FE_" << it->getMeshsetId();
90 CHKERR m_field.add_finite_element(fe_name.str());
91 CHKERR m_field.modify_finite_element_add_field_row(fe_name.str(),
92 "DISPLACEMENT");
93 CHKERR m_field.modify_finite_element_add_field_col(fe_name.str(),
94 "DISPLACEMENT");
95 CHKERR m_field.modify_finite_element_add_field_data(fe_name.str(),
96 "DISPLACEMENT");
97 CHKERR m_field.modify_finite_element_add_field_data(
98 fe_name.str(), "MESH_NODE_POSITIONS");
99 CHKERR m_field.modify_problem_add_finite_element("TEST_PROBLEM",
100 fe_name.str());
101
102 Range tris;
103 CHKERR moab.get_entities_by_type(it->meshset, MBTRI, tris, true);
104 CHKERR m_field.add_ents_to_finite_element_by_type(tris, MBTRI,
105 fe_name.str());
106 }
107
108 // set app. order
109 // see Hierarchic Finite Element Bases on Unstructured Tetrahedral Meshes
110 // (Mark Ainsworth & Joe Coyle)
111 int order = 2;
112 CHKERR m_field.set_field_order(root_set, MBTET, "DISPLACEMENT", order);
113 CHKERR m_field.set_field_order(root_set, MBTRI, "DISPLACEMENT", order);
114 CHKERR m_field.set_field_order(root_set, MBEDGE, "DISPLACEMENT", order);
115 CHKERR m_field.set_field_order(root_set, MBVERTEX, "DISPLACEMENT", 1);
116 CHKERR m_field.set_field_order(root_set, MBTET, "MESH_NODE_POSITIONS", 2);
117 CHKERR m_field.set_field_order(root_set, MBTRI, "MESH_NODE_POSITIONS", 2);
118 CHKERR m_field.set_field_order(root_set, MBEDGE, "MESH_NODE_POSITIONS", 2);
119 CHKERR m_field.set_field_order(root_set, MBVERTEX, "MESH_NODE_POSITIONS",
120 1);
121
122 /****/
123 // build database
124 // build field
125 CHKERR m_field.build_fields();
126 // set FIELD1 from positions of 10 node tets
127 Projection10NodeCoordsOnField ent_method(m_field, "MESH_NODE_POSITIONS");
128 CHKERR m_field.loop_dofs("MESH_NODE_POSITIONS", ent_method);
129
130 // build finite elemnts
131 CHKERR m_field.build_finite_elements();
132 // build adjacencies
133 CHKERR m_field.build_adjacencies(bit_level0);
134 // build problem
135 ProblemsManager *prb_mng_ptr;
136 CHKERR m_field.getInterface(prb_mng_ptr);
137 CHKERR prb_mng_ptr->buildProblem("TEST_PROBLEM", true);
138
139 /****/
140 // mesh partitioning
141 // partition
142 CHKERR prb_mng_ptr->partitionSimpleProblem("TEST_PROBLEM");
143 CHKERR prb_mng_ptr->partitionFiniteElements("TEST_PROBLEM");
144 // what are ghost nodes, see Petsc Manual
145 CHKERR prb_mng_ptr->partitionGhostDofs("TEST_PROBLEM");
146
147 Vec F;
148 CHKERR m_field.getInterface<VecManager>()->vecCreateGhost("TEST_PROBLEM",
149 ROW, &F);
150
151 typedef tee_device<std::ostream, std::ofstream> TeeDevice;
152 typedef stream<TeeDevice> TeeStream;
153 std::ostringstream txt_name;
154 txt_name << "forces_and_sources_" << mesh_file_name << ".txt";
155 std::ofstream ofs(txt_name.str().c_str());
156 TeeDevice my_tee(std::cout, ofs);
157 TeeStream my_split(my_tee);
158
159 CHKERR VecZeroEntries(F);
160 boost::ptr_map<std::string, NeumannForcesSurface> neumann_forces;
161 for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(m_field, NODESET | FORCESET,
162 it)) {
163 std::ostringstream fe_name;
164 fe_name << "FORCE_FE_" << it->getMeshsetId();
165 string fe_name_str = fe_name.str();
166 neumann_forces.insert(fe_name_str, new NeumannForcesSurface(m_field));
167 CHKERR addHOOpsFace3D(
168 "MESH_NODE_POSITIONS", neumann_forces.at(fe_name_str).getLoopFe(),
169 false, false);
170 neumann_forces.at(fe_name_str)
171 .addForce("DISPLACEMENT", F, it->getMeshsetId());
172 ForceCubitBcData data;
173 CHKERR it->getBcDataStructure(data);
174 my_split << *it << std::endl;
175 my_split << data << std::endl;
176 }
177 for (_IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(
178 m_field, SIDESET | PRESSURESET, it)) {
179 std::ostringstream fe_name;
180 fe_name << "PRESSURE_FE_" << it->getMeshsetId();
181 string fe_name_str = fe_name.str();
182 neumann_forces.insert(fe_name_str, new NeumannForcesSurface(m_field));
183 CHKERR addHOOpsFace3D(
184 "MESH_NODE_POSITIONS", neumann_forces.at(fe_name_str).getLoopFe(),
185 false, false);
186 neumann_forces.at(fe_name_str)
187 .addPressure("DISPLACEMENT", F, it->getMeshsetId());
188 PressureCubitBcData data;
189 CHKERR it->getBcDataStructure(data);
190 my_split << *it << std::endl;
191 my_split << data << std::endl;
192 }
193 boost::ptr_map<std::string, NeumannForcesSurface>::iterator mit =
194 neumann_forces.begin();
195 for (; mit != neumann_forces.end(); mit++) {
196 CHKERR m_field.loop_finite_elements("TEST_PROBLEM", mit->first,
197 mit->second->getLoopFe());
198 }
199 CHKERR VecAssemblyBegin(F);
200 CHKERR VecAssemblyEnd(F);
201
202 CHKERR m_field.getInterface<VecManager>()->setGlobalGhostVector(
203 "TEST_PROBLEM", ROW, F, INSERT_VALUES, SCATTER_REVERSE);
204
205 const double eps = 1e-4;
206
207 const Problem *problemPtr;
208 CHKERR m_field.get_problem("TEST_PROBLEM", &problemPtr);
209 for (_IT_NUMEREDDOF_ROW_FOR_LOOP_(problemPtr, dit)) {
210
211 my_split.precision(3);
212 my_split.setf(std::ios::fixed);
213 double val = fabs(dit->get()->getFieldData()) < eps
214 ? 0.0
215 : dit->get()->getFieldData();
216 my_split << dit->get()->getPetscGlobalDofIdx() << " " << val << std::endl;
217 }
218
219 double sum = 0;
220 CHKERR VecSum(F, &sum);
221 sum = fabs(sum) < eps ? 0.0 : sum;
222 my_split << std::endl
223 << "Sum : " << std::setprecision(3) << sum << std::endl;
224
225 CHKERR VecDestroy(&F);
226 }
227 CATCH_ERRORS;
228
229 MoFEM::Core::Finalize();
230
231 return 0;
232}
eps
static const double eps
Definition check_base_functions_derivatives_on_tet.cpp:11
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 nme:nme847.
Definition definitions.h:60
H1
@ H1
continuous field
Definition definitions.h:85
PRESSURESET
@ PRESSURESET
Definition definitions.h:165
FORCESET
@ FORCESET
Definition definitions.h:164
NODESET
@ NODESET
Definition definitions.h:159
SIDESET
@ SIDESET
Definition definitions.h:160
CHKERR
#define CHKERR
Inline error check.
Definition definitions.h:548
order
constexpr int order
Definition dg_projection.cpp:18
TeeDevice
tee_device< std::ostream, std::ofstream > TeeDevice
Definition forces_and_sources_testing_contact_prism_element.cpp:9
TeeStream
stream< TeeDevice > TeeStream
Definition forces_and_sources_testing_contact_prism_element.cpp:10
F
@ F
Definition free_surface.cpp:394
MoFEM::CoreInterface::get_problem
virtual const Problem * get_problem(const std::string problem_name) const =0
Get the problem object.
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_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::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
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::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_BCDATA_TYPE_FOR_LOOP_
#define _IT_CUBITMESHSETS_BY_BCDATA_TYPE_FOR_LOOP_(MESHSET_MANAGER, CUBITBCTYPE, IT)
Iterator that loops over a specific Cubit MeshSet in a moFEM field.
Definition MeshsetsManager.hpp:49
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
_IT_NUMEREDDOF_ROW_FOR_LOOP_
#define _IT_NUMEREDDOF_ROW_FOR_LOOP_(PROBLEMPTR, IT)
use with loops to iterate row DOFs
Definition ProblemsMultiIndices.hpp:164
mesh_file_name
char mesh_file_name[255]
Definition mesh_smoothing.cpp:22
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::addHOOpsFace3D
MoFEMErrorCode addHOOpsFace3D(const std::string field, E &e, bool hcurl, bool hdiv)
Definition HODataOperators.hpp:701
MoFEM::PetscOptionsGetString
PetscErrorCode PetscOptionsGetString(PetscOptions *, const char pre[], const char name[], char str[], size_t size, PetscBool *set)
Definition DeprecatedPetsc.hpp:172
help
static char help[]
Definition neumann_forces.cpp:10
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::ForceCubitBcData
Definition of the force bc data structure.
Definition BCData.hpp:139
MoFEM::PressureCubitBcData
Definition of the pressure bc data structure.
Definition BCData.hpp:379
MoFEM::Problem
keeps basic data about problem
Definition ProblemsMultiIndices.hpp:54
MoFEM::ProblemsManager
Problem manager is used to build and partition problems.
Definition ProblemsManager.hpp:21
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
NeumannForcesSurface
Finite element and operators to apply force/pressures applied to surfaces.
Definition SurfacePressure.hpp:14

Variable Documentation

◆ help

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

Definition at line 10 of file neumann_forces.cpp.

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