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	OpDomainMass
	OPerator to integrate mass matrix for least square approximation.
using	OpDomainSource
	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 27 of file dg_projection.cpp.

OpDomainMass

using OpDomainMass

Initial value:

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

OPerator to integrate mass matrix for least square approximation.

Definition at line 44 of file dg_projection.cpp.

OpDomainSource

using OpDomainSource

Initial value:

 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 51 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 268 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

int BASE_DIM = 1

constexpr

Examples

dg_projection.cpp, free_surface.cpp, hcurl_check_approx_in_2d.cpp, hdiv_check_approx_in_3d.cpp, higher_derivatives.cpp, plate.cpp, and poisson_2d_dis_galerkin.cpp.

Definition at line 15 of file dg_projection.cpp.

FIELD_DIM

int FIELD_DIM = 1

constexpr

Definition at line 16 of file dg_projection.cpp.

FIELD_NAME

char FIELD_NAME[] = "U"

constexpr

Definition at line 14 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

PoissonDiscontinousGalerkin.hpp, dg_projection.cpp, higher_derivatives.cpp, prism_polynomial_approximation.cpp, and quad_polynomial_approximation.cpp.

Definition at line 36 of file dg_projection.cpp.

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

help

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

static

Definition at line 12 of file dg_projection.cpp.

order

int order = 2

constexpr

Examples

EshelbianPlasticity.cpp, HookeElement.cpp, MagneticElement.hpp, Remodeling.cpp, Remodeling.hpp, UnsaturatedFlow.hpp, analytical_nonlinear_poisson.cpp, analytical_poisson.cpp, analytical_poisson_field_split.cpp, approx_sphere.cpp, boundary_marker.cpp, build_large_problem.cpp, build_problems.cpp, cell_forces.cpp, child_and_parent.cpp, continuity_check_on_contact_prism_side_ele.cpp, continuity_check_on_skeleton_3d.cpp, dg_projection.cpp, dm_build_partitioned_mesh.cpp, dynamic_first_order_con_law.cpp, eigen_elastic.cpp, elasticity.cpp, field_blas.cpp, forces_and_sources_testing_edge_element.cpp, forces_and_sources_testing_flat_prism_element.cpp, forces_and_sources_testing_users_base.cpp, free_surface.cpp, hanging_node_approx.cpp, hcurl_check_approx_in_2d.cpp, hcurl_curl_operator.cpp, hcurl_divergence_operator_2d.cpp, hdiv_check_approx_in_3d.cpp, hdiv_divergence_operator.cpp, heat_equation.cpp, heat_method.cpp, helmholtz.cpp, higher_derivatives.cpp, magnetostatic.cpp, minimal_surface_area.cpp, mixed_poisson.cpp, mortar_contact.cpp, mortar_contact_thermal.cpp, phase.cpp, photon_diffusion.cpp, plastic.cpp, plate.cpp, plot_base.cpp, prism_elements_from_surface.cpp, prism_polynomial_approximation.cpp, reaction_diffusion.cpp, remove_entities_from_problem.cpp, remove_entities_from_problem_not_partitioned.cpp, schur_test_diag_mat.cpp, seepage.cpp, shallow_wave.cpp, simple_contact.cpp, simple_contact_thermal.cpp, simple_elasticity.cpp, tensor_divergence_operator.cpp, test_jacobian_of_simple_contact_element.cpp, testing_jacobian_of_hook_element.cpp, testing_jacobian_of_hook_scaled_with_density_element.cpp, unsaturated_transport.cpp, and wave_equation.cpp.

Definition at line 18 of file dg_projection.cpp.

SPACE_DIM

int SPACE_DIM = 2

constexpr

Definition at line 17 of file dg_projection.cpp.