dg Namespace Reference

Functions
	get_args ()
	configure_and_build_project (args, project)
	run_and_validate (args, executable)

Variables
	args = get_args()
str	executable = "peano4matrixfree"
	project
	matrices
	assembly_matrix
	assembly_matrix_scaling
	mass_matrix
	mass_matrix_scaling
	face_from_cell_projection_scaling = matrices.get_face_from_cell_matrix()
	cell_from_face_projection_scaling = matrices.get_cell_from_face_matrix()
	approximate_system_matrix_scaling = matrices.get_A_tilde()
	solver
	parser = argparse.ArgumentParser(description='Multigrid - Poisson solver')
	dest
	type
	int
	default
	help
	action
	False
	choices
	required
	True
	build_mode = peano4.output.CompileMode.Release
float	cube_size = 1.0
	dimensions
	offset
	domain_size
	peano4_project = project.generate_Peano4_project(args.verbose)

Function Documentation

configure_and_build_project()

dg.configure_and_build_project	(		args,
			project )

Definition at line 31 of file dg.py.

get_args()

dg.get_args

(

)

Definition at line 8 of file dg.py.

run_and_validate()

dg.run_and_validate	(		args,
			executable )

Definition at line 63 of file dg.py.

Variable Documentation

action

dg.action

Definition at line 21 of file dg.py.

approximate_system_matrix_scaling

dg.approximate_system_matrix_scaling = matrices.get_A_tilde()

Definition at line 122 of file dg.py.

args

dg.args = get_args()

Definition at line 95 of file dg.py.

assembly_matrix

dg.assembly_matrix

Definition at line 115 of file dg.py.

assembly_matrix_scaling

dg.assembly_matrix_scaling

Definition at line 115 of file dg.py.

build_mode

dg.build_mode = peano4.output.CompileMode.Release

Definition at line 80 of file dg.py.

cell_from_face_projection_scaling

dg.cell_from_face_projection_scaling = matrices.get_cell_from_face_matrix()

Definition at line 120 of file dg.py.

choices

dg.choices

Definition at line 27 of file dg.py.

cube_size

float dg.cube_size = 1.0

Definition at line 88 of file dg.py.

default

dg.default

Definition at line 19 of file dg.py.

dest

dg.dest

Definition at line 19 of file dg.py.

dimensions

dg.dimensions

Definition at line 90 of file dg.py.

domain_size

dg.domain_size

Definition at line 92 of file dg.py.

executable

str dg.executable = "peano4matrixfree"

Definition at line 98 of file dg.py.

face_from_cell_projection_scaling

dg.face_from_cell_projection_scaling = matrices.get_face_from_cell_matrix()

Definition at line 118 of file dg.py.

False

dg.False

Definition at line 21 of file dg.py.

help

dg.help

Definition at line 19 of file dg.py.

int

dg.int

Definition at line 19 of file dg.py.

mass_matrix

dg.mass_matrix

Definition at line 116 of file dg.py.

mass_matrix_scaling

dg.mass_matrix_scaling

Definition at line 116 of file dg.py.

matrices

dg.matrices

Initial value:

=  mghype.api.matrixgenerators.GaussLobattoMatrixFree(
      args.dimensions,
      args.poly_degree,
      1,  # Unknowns per cell dof. Scalar PDE here
      2,  # We use the penalty formulation (see docu in tutorials)
      2
    )

Definition at line 106 of file dg.py.

offset

dg.offset

Definition at line 91 of file dg.py.

parser

dg.parser = argparse.ArgumentParser(description='Multigrid - Poisson solver')

Definition at line 18 of file dg.py.

peano4_project

dg.peano4_project = project.generate_Peano4_project(args.verbose)

Definition at line 102 of file dg.py.

project

dg.project

Initial value:

=  mghype.matrixfree.api.Project( project_name = "DGPointwise", 
                                  namespace = [ "tests", "multigrid", "matrixfree", "poisson" ],
                                  executable = executable
                                )

Definition at line 100 of file dg.py.

required

dg.required

Definition at line 27 of file dg.py.

solver

dg.solver

Initial value:

=  mghype.matrixfree.solvers.api.DiscontinuousGalerkinDiscretisationPointWiseRiemannSolver(
      name = "DGPoisson",
      dimensions = args.dimensions,
      poly_degree = args.poly_degree,
      unknowns_per_cell_node = 1,
      solutions_per_face_node = 2,
      projections_per_face_node = 2,
      min_h = args.meshsize,
      max_h = args.meshsize,
      assembly_matrix= assembly_matrix, 
      assembly_matrix_scaling = assembly_matrix_scaling, 
      mass_matrix = mass_matrix, 
      mass_matrix_scaling = mass_matrix_scaling, 
      face_from_cell_projection = face_from_cell_projection, 
      face_from_cell_projection_scaling = face_from_cell_projection_scaling,
      cell_from_face_projection = cell_from_face_projection, 
      cell_from_face_projection_scaling = cell_from_face_projection_scaling,
      riemann_matrix = matrices.get_face_face_riemann_problem_matrix(),
      boundary_matrix = matrices.get_boundary_matrix(),
      cell_relaxation = args.omega_c,
      face_relaxation = args.omega_f,  # default here is 1, i.e. we solve exactly. See class docu
      approximate_system_matrix = approximate_system_matrix,
      approximate_system_matrix_scaling = approximate_system_matrix_scaling,
      solver_tolerance = 0.01,
      integration_points = 0.5*(matrices.get_nodal_points_1d() + 1.0) # Should be specified in [0,1] interval
    )

Definition at line 125 of file dg.py.

True

dg.True

Definition at line 27 of file dg.py.

type

dg.type

Definition at line 19 of file dg.py.