dg_projection.cpp File Reference

#include <MoFEM.hpp>

Go to the source code of this file.

Classes
struct	ElementsAndOps< DIM >
struct	ElementsAndOps< 2 >
struct	AtomTest
struct	AtomTest::CommonData
	Collected data use d by operator to evaluate errors for the test. More...
struct	AtomTest::OpError< FIELD_DIM >
	Operator to evaluate errors. More...

Typedefs
using	DomainEle = ElementsAndOps< SPACE_DIM >::DomainEle
	Finite elenent type.
using	DomainEleOp = DomainEle::UserDataOperator
	Finire element operator type.
using	EntData = EntitiesFieldData::EntData
	Data on entities.
using	OpDomainMass = FormsIntegrators< DomainEleOp >::Assembly< PETSC >::BiLinearForm< GAUSS >::OpMass< BASE_DIM, FIELD_DIM >
	OPerator to integrate mass matrix for least square approximation.
using	OpDomainSource = FormsIntegrators< DomainEleOp >::Assembly< PETSC >::LinearForm< GAUSS >::OpSource< BASE_DIM, FIELD_DIM >
	Operator to integrate the right hand side matrix for the problem.

Functions
int	main (int argc, char *argv[])
	[Check results]

Variables
static char	help [] = "...\n\n"
constexpr char	FIELD_NAME [] = "U"
constexpr int	BASE_DIM = 1
constexpr int	FIELD_DIM = 1
constexpr int	SPACE_DIM = 2
constexpr int	order = 2
auto	fun
	Function to approximate.

Typedef Documentation

DomainEle

using DomainEle = ElementsAndOps<SPACE_DIM>::DomainEle

Finite elenent type.

Definition at line 28 of file dg_projection.cpp.

DomainEleOp

using DomainEleOp = DomainEle::UserDataOperator

Finire element operator type.

Definition at line 29 of file dg_projection.cpp.

EntData

using EntData = EntitiesFieldData::EntData

Data on entities.

Definition at line 31 of file dg_projection.cpp.

OpDomainMass

using OpDomainMass = FormsIntegrators<DomainEleOp>::Assembly< PETSC>::BiLinearForm<GAUSS>::OpMass<BASE_DIM, FIELD_DIM>

OPerator to integrate mass matrix for least square approximation.

Definition at line 45 of file dg_projection.cpp.

OpDomainSource

using OpDomainSource = FormsIntegrators<DomainEleOp>::Assembly< PETSC>::LinearForm<GAUSS>::OpSource<BASE_DIM, FIELD_DIM>

Operator to integrate the right hand side matrix for the problem.

Definition at line 52 of file dg_projection.cpp.

Function Documentation

main()

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

[Check results]

[Register MoFEM discrete manager in PETSc]

[Register MoFEM discrete manager in PETSc

[Create MoAB]

< mesh database

< mesh database interface

[Create MoAB]

[Create MoFEM]

< finite element database

< finite element database insterface

[Create MoFEM]

[AtomTest]

[AtomTest]

Definition at line 269 of file dg_projection.cpp.

                                 {
 
  // Initialisation of MoFEM/PETSc and MOAB data structures
  MoFEM::Core::Initialize(&argc, &argv, NULL, help);
 
  try {
 
    //! [Register MoFEM discrete manager in PETSc]
    DMType dm_name = "DMMOFEM";
    CHKERR DMRegister_MoFEM(dm_name);
    //! [Register MoFEM discrete manager in PETSc
 
    //! [Create MoAB]
    moab::Core mb_instance;              ///< mesh database
    moab::Interface &moab = mb_instance; ///< mesh database interface
    //! [Create MoAB]
 
    //! [Create MoFEM]
    MoFEM::Core core(moab);           ///< finite element database
    MoFEM::Interface &m_field = core; ///< finite element database insterface
    //! [Create MoFEM]
 
    //! [AtomTest]
    AtomTest ex(m_field);
    CHKERR ex.runProblem();
    //! [AtomTest]
  }
  CATCH_ERRORS;
 
  CHKERR MoFEM::Core::Finalize();
}

Variable Documentation

BASE_DIM

constexpr int BASE_DIM = 1

constexpr

Examples

mofem/atom_tests/dg_projection.cpp, mofem/atom_tests/hcurl_check_approx_in_2d.cpp, mofem/atom_tests/hdiv_check_approx_in_3d.cpp, mofem/atom_tests/higher_derivatives.cpp, mofem/tutorials/scl-11/poisson_2d_dis_galerkin.cpp, mofem/tutorials/vec-0/elastic.cpp, mofem/tutorials/vec-10/schur_elastic.cpp, mofem/tutorials/vec-5/free_surface.cpp, mofem/tutorials/vec-6/plate.cpp, and mofem/tutorials/vec-7/adjoint.cpp.

Definition at line 16 of file dg_projection.cpp.

FIELD_DIM

constexpr int FIELD_DIM = 1

constexpr

Definition at line 17 of file dg_projection.cpp.

FIELD_NAME

constexpr char FIELD_NAME[] = "U"

constexpr

Definition at line 15 of file dg_projection.cpp.

fun

auto fun

Initial value:

= [](const double x, const double y, const double z) {
  return x + y + x * x + y * y;
}

Function to approximate.

Examples

mofem/atom_tests/dg_projection.cpp, mofem/atom_tests/higher_derivatives.cpp, mofem/atom_tests/prism_polynomial_approximation.cpp, mofem/atom_tests/quad_polynomial_approximation.cpp, and mofem/tutorials/scl-11/src/PoissonDiscontinousGalerkin.hpp.

Definition at line 37 of file dg_projection.cpp.

                                                              {
  return x + y + x * x + y * y;
};

help

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

static

Definition at line 13 of file dg_projection.cpp.

order

constexpr int order = 2

constexpr

Examples

mofem/atom_tests/boundary_marker.cpp, mofem/atom_tests/build_composite_problem.cpp, mofem/atom_tests/build_large_problem.cpp, mofem/atom_tests/build_problems.cpp, mofem/atom_tests/child_and_parent.cpp, mofem/atom_tests/continuity_check_on_contact_prism_side_ele.cpp, mofem/atom_tests/continuity_check_on_skeleton_3d.cpp, mofem/atom_tests/dg_projection.cpp, mofem/atom_tests/dm_build_partitioned_mesh.cpp, mofem/atom_tests/field_blas.cpp, mofem/atom_tests/field_blas_axpy.cpp, mofem/atom_tests/forces_and_sources_testing_edge_element.cpp, mofem/atom_tests/forces_and_sources_testing_flat_prism_element.cpp, mofem/atom_tests/forces_and_sources_testing_users_base.cpp, mofem/atom_tests/hanging_node_approx.cpp, mofem/atom_tests/hcurl_check_approx_in_2d.cpp, mofem/atom_tests/hcurl_curl_operator.cpp, mofem/atom_tests/hcurl_divergence_operator_2d.cpp, mofem/atom_tests/hdiv_check_approx_in_3d.cpp, mofem/atom_tests/hdiv_divergence_operator.cpp, mofem/atom_tests/higher_derivatives.cpp, mofem/atom_tests/prism_elements_from_surface.cpp, mofem/atom_tests/prism_polynomial_approximation.cpp, mofem/atom_tests/remove_entities_from_problem.cpp, mofem/atom_tests/remove_entities_from_problem_not_partitioned.cpp, mofem/atom_tests/schur_test_diag_mat.cpp, mofem/atom_tests/tensor_divergence_operator.cpp, mofem/tutorials/adv-0/plastic.cpp, mofem/tutorials/adv-4/dynamic_first_order_con_law.cpp, mofem/tutorials/adv-5/seepage.cpp, mofem/tutorials/clx-0/helmholtz.cpp, mofem/tutorials/cor-0to1/src/UnsaturatedFlow.hpp, mofem/tutorials/cor-0to1/unsaturated_transport.cpp, mofem/tutorials/cor-2to5/analytical_nonlinear_poisson.cpp, mofem/tutorials/cor-2to5/analytical_poisson.cpp, mofem/tutorials/cor-2to5/analytical_poisson_field_split.cpp, mofem/tutorials/cor-6/simple_elasticity.cpp, mofem/tutorials/cor-9/reaction_diffusion.cpp, mofem/tutorials/fun-1/integration.cpp, mofem/tutorials/fun-2/plot_base.cpp, mofem/tutorials/max-0/magnetostatic.cpp, mofem/tutorials/max-0/src/MagneticElement.hpp, mofem/tutorials/mix-0/mixed_poisson.cpp, mofem/tutorials/mix-1/phase.cpp, mofem/tutorials/scl-0/approximaton.cpp, mofem/tutorials/scl-10/photon_diffusion.cpp, mofem/tutorials/scl-6/heat_equation.cpp, mofem/tutorials/scl-7/wave_equation.cpp, mofem/tutorials/scl-8/radiation.cpp, mofem/tutorials/scl-9/heat_method.cpp, mofem/tutorials/vec-1/eigen_elastic.cpp, mofem/tutorials/vec-2/src/NonlinearElasticExample.hpp, mofem/tutorials/vec-3/nonlinear_dynamic_elastic.cpp, mofem/tutorials/vec-4/approx_sphere.cpp, mofem/tutorials/vec-4/shallow_wave.cpp, mofem/tutorials/vec-5/free_surface.cpp, mofem/tutorials/vec-6/plate.cpp, mofem/users_modules/basic_finite_elements/atom_tests/testing_jacobian_of_hook_element.cpp, mofem/users_modules/basic_finite_elements/atom_tests/testing_jacobian_of_hook_scaled_with_density_element.cpp, mofem/users_modules/basic_finite_elements/elasticity/elasticity.cpp, mofem/users_modules/basic_finite_elements/src/impl/HookeElement.cpp, mofem/users_modules/bone_remodelling/src/Remodeling.hpp, mofem/users_modules/bone_remodelling/src/impl/Remodeling.cpp, mofem/users_modules/eshelbian_plasticity/src/impl/EshelbianPlasticity.cpp, and mofem/users_modules/minimal_surface_equation/minimal_surface_area.cpp.

Definition at line 19 of file dg_projection.cpp.

SPACE_DIM

constexpr int SPACE_DIM = 2

constexpr

Definition at line 18 of file dg_projection.cpp.