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| v0.14.0
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Testing Hcurl base, transfromed to Hdiv base in 2d using Green theorem.
Note 0: This is low-level implementation. Note 1: Generic implementation for Quad/Tri mesh of arbitrary order.
static char help[] =
"...\n\n";
double &dIv;
if (nb_dofs == 0)
const int nb_gauss_pts = data.
getN().size1();
auto t_w = getFTensor0IntegrationWeight();
const auto area = getMeasure();
for (int gg = 0; gg != nb_gauss_pts; gg++) {
const double val = area * t_w;
for (int bb = 0; bb != nb_dofs; bb++) {
dIv += val * t_diff_base_fun(
i,
i);
++t_diff_base_fun;
}
++t_w;
}
}
};
double &fLux;
if (nb_dofs == 0)
const int nb_gauss_pts = data.
getN().size1();
auto t_normal = getFTensor1Normal();
auto t_w = getFTensor0IntegrationWeight();
for (int gg = 0; gg != nb_gauss_pts; gg++) {
for (int bb = 0; bb != nb_dofs; bb++) {
fLux += t_w * t_normal(
i) * t_base_fun(
i);
++t_base_fun;
}
++t_w;
}
}
};
int main(
int argc,
char *argv[]) {
try {
PetscBool flg_file = PETSC_TRUE;
255, &flg_file);
if (flg_file != PETSC_TRUE)
"*** ERROR -my_file (MESH FILE NEEDED)");
0, 2, bit_level0);
enum bases { AINSWORTH, DEMKOWICZ, LASBASETOP };
const char *list_bases[] = {"ainsworth", "demkowicz"};
PetscBool flg;
PetscInt choice_base_value = AINSWORTH;
LASBASETOP, &choice_base_value, &flg);
if (flg != PETSC_TRUE)
if (choice_base_value == AINSWORTH)
else if (choice_base_value == DEMKOWICZ)
for (
auto t : {MBEDGE, MBTRI, MBQUAD})
auto set_edge_elements_entities_on_mesh_skin = [&]() {
CHKERR moab.get_entities_by_dimension(0, 2, faces,
false);
CHKERR skin.find_skin(0, faces,
false, faces_skin);
};
CHKERR set_edge_elements_entities_on_mesh_skin();
auto rule = [&](
int,
int,
int p) {
return 2 * p; };
auto calculate_divergence = [&]() {
double div = 0;
fe_face.getRuleHook = rule;
return div;
};
auto calculate_flux = [&]() {
double flux = 0;
fe_edge.getRuleHook = rule;
fe_edge.getOpPtrVector().push_back(
new OpFlux(flux));
return flux;
};
const double div = calculate_divergence();
const double flux = calculate_flux();
"Div = %4.3e Flux = %3.4e Error = %4.3e\n", div, flux,
div - flux);
constexpr
double tol = 1e-8;
if (std::abs(div - flux) >
tol)
"Test failed (div != flux) %3.4e != %3.4e", div, flux);
}
}
#define MoFEMFunctionReturnHot(a)
Last executable line of each PETSc function used for error handling. Replaces return()
MoFEMErrorCode getInterface(IFACE *&iface) const
Get interface reference to pointer of interface.
Data on single entity (This is passed as argument to DataOperator::doWork)
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.
MoFEMErrorCode buildProblem(const std::string name, const bool square_matrix, int verb=VERBOSE)
build problem data structures
#define MOFEM_LOG_CHANNEL(channel)
Set and reset channel.
Problem manager is used to build and partition problems.
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
PetscErrorCode MoFEMErrorCode
MoFEM/PETSc error code.
static MoFEMErrorCode Finalize()
Checks for options to be called at the conclusion of the program.
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.
Deprecated interface functions.
DeprecatedCoreInterface Interface
FTensor::Tensor2< FTensor::PackPtr< double *, Tensor_Dim0 *Tensor_Dim1 >, Tensor_Dim0, Tensor_Dim1 > getFTensor2DiffN(FieldApproximationBase base)
Get derivatives of base functions for Hdiv space.
#define CHKERR
Inline error check.
friend class UserDataOperator
virtual MoFEMErrorCode add_finite_element(const std::string &fe_name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
add finite element
virtual moab::Interface & get_moab()=0
implementation of Data Operators for Forces and Sources
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 build_finite_elements(int verb=DEFAULT_VERBOSITY)=0
Build finite elements.
default operator for TRI element
#define MOFEM_LOG_C(channel, severity, format,...)
const VectorInt & getIndices() const
Get global indices of dofs on entity.
virtual MoFEMErrorCode add_ents_to_finite_element_by_dim(const EntityHandle entities, const int dim, const std::string &name, const bool recursive=true)=0
add entities to finite element
constexpr double t
plate stiffness
friend class UserDataOperator
virtual MoFEMErrorCode modify_finite_element_add_field_data(const std::string &fe_name, const std::string name_field)=0
set finite element field data
FTensor::Index< 'i', SPACE_DIM > i
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
FaceEle::UserDataOperator FaceEleOp
virtual MoFEMErrorCode modify_problem_ref_level_add_bit(const std::string &name_problem, const BitRefLevel &bit)=0
add ref level to problem
Add operators pushing bases from local to physical configuration.
default operator for EDGE element
int main(int argc, char *argv[])
static MoFEMErrorCode Initialize(int *argc, char ***args, const char file[], const char help[])
Initializes the MoFEM database PETSc, MOAB and MPI.
#define CATCH_ERRORS
Catch errors.
MatrixDouble & getN(const FieldApproximationBase base)
get base functions this return matrix (nb. of rows is equal to nb. of Gauss pts, nb....
MoFEMErrorCode partitionSimpleProblem(const std::string name, int verb=VERBOSE)
partition problem dofs
FTensor::Tensor1< FTensor::PackPtr< double *, Tensor_Dim >, Tensor_Dim > getFTensor1N(FieldApproximationBase base)
Get base functions for Hdiv/Hcurl spaces.
@ AINSWORTH_LEGENDRE_BASE
Ainsworth Cole (Legendre) approx. base .
@ HCURL
field with continuous tangents
PetscErrorCode PetscOptionsGetString(PetscOptions *, const char pre[], const char name[], char str[], size_t size, PetscBool *set)
PetscErrorCode PetscOptionsGetEList(PetscOptions *, const char pre[], const char name[], const char *const *list, PetscInt next, PetscInt *value, PetscBool *set)
virtual MoFEMErrorCode build_fields(int verb=DEFAULT_VERBOSITY)=0
FieldApproximationBase
approximation base
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
std::bitset< BITREFLEVEL_SIZE > BitRefLevel
Bit structure attached to each entity identifying to what mesh entity is attached.
@ MOFEM_ATOM_TEST_INVALID
virtual MoFEMErrorCode build_adjacencies(const Range &ents, int verb=DEFAULT_VERBOSITY)=0
build adjacencies
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
virtual MoFEMErrorCode add_problem(const std::string &name, enum MoFEMTypes bh=MF_EXCL, int verb=DEFAULT_VERBOSITY)=0
Add problem.
PetscErrorCode PetscOptionsGetInt(PetscOptions *, const char pre[], const char name[], PetscInt *ivalue, PetscBool *set)
#define MoFEMFunctionReturn(a)
Last executable line of each PETSc function used for error handling. Replaces return()
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.
#define MoFEMFunctionBegin
First executable line of each MoFEM function, used for error handling. Final line of MoFEM functions ...