libMesh::BrownianSystem Class Reference

#include <brownian_system.h>

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Collaboration diagram for libMesh::BrownianSystem:

Public Member Functions
	BrownianSystem (EquationSystems &es)
	~BrownianSystem ()
const EquationSystems &	get_equation_systems () const
EquationSystems &	get_equation_systems ()
PetscErrorCode	petsc_vec_scatter_to_all (Vec f, Vec vf, VecScatter scatter, const std::string &mode)
PetscErrorCode	extract_particle_vector (Vec *x, const std::string &vec_type, const std::string &mode)
PetscErrorCode	vector_transform (std::vector< Real > &std_vec, Vec *petsc_vec, const std::string &mode) const
RandomGenerator &	random_generator ()
void	set_std_random_seed (const std::size_t seed_val)
PetscErrorCode	std_random_vector (const Real &a, const Real &b, const std::string &random_type, Vec *u)
std::vector< Real >	std_random_vector (const std::size_t N, const Real &a, const Real &b, const std::string &random_type)
PetscErrorCode	init_petsc_random (PetscRandom *rand_ctx)
PetscErrorCode	petsc_random_vector (const PetscInt N, PetscRandom *rand_ctx, Vec *u)
Real	compute_eigenvalue (const std::string &option, const Real tol)
Real	compute_eigenvalue (const std::string &option, const Real tol, const bool use_init_space, Vec *v0)
PetscErrorCode	compute_eigenvalues (Real &eigen_min, Real &eigen_max, const Real &tol)
Real	power_iteration ()
DenseMatrix< Number >	chebyshev_transform_matrix (const std::size_t N) const
DenseVector< Number >	chebyshev_quadrature_point (const std::size_t N) const
bool	chebyshev_polynomial_approximation (const std::size_t N, const Real eigen_min, const Real eigen_max, const Real tol_cheb, Vec *dw)
PetscErrorCode	hi_ewald (Mat M, Vec f, Vec u)
PetscErrorCode	_test_diagonal_mat (Vec f, Vec u)
PetscErrorCode	_vector_mean_variance (Vec u, Real &mean, Real &variance) const
PetscErrorCode	_vector_mean_variance (const std::vector< Real > &u) const
PetscErrorCode	_create_shell_mat (const std::size_t N, Mat *M)
PetscErrorCode	_create_petsc_vec (const std::size_t N, Vec *V)

Friends
PetscErrorCode	_MatMult_Stokes (Mat M, Vec f, Vec u)

Constructor & Destructor Documentation

BrownianSystem::BrownianSystem

(

EquationSystems &

es

)

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BrownianSystem::~BrownianSystem

(

)

Member Function Documentation

PetscErrorCode BrownianSystem::_create_petsc_vec	(	const std::size_t	N,
		Vec *	V
	)

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PetscErrorCode BrownianSystem::_create_shell_mat	(	const std::size_t	N,
		Mat *	M
	)

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PetscErrorCode BrownianSystem::_test_diagonal_mat	(	Vec	f,
		Vec	u
	)

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PetscErrorCode BrownianSystem::_vector_mean_variance	(	Vec	u,
		Real &	mean,
		Real &	variance
	)		const

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PetscErrorCode BrownianSystem::_vector_mean_variance

(

const std::vector< Real > &

u

)

const

bool BrownianSystem::chebyshev_polynomial_approximation	(	const std::size_t	N,
		const Real	eigen_min,
		const Real	eigen_max,
		const Real	tol_cheb,
		Vec *	dw
	)

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DenseVector< Number > BrownianSystem::chebyshev_quadrature_point

(

const std::size_t

N

)

const

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DenseMatrix< Number > BrownianSystem::chebyshev_transform_matrix

(

const std::size_t

N

)

const

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Real BrownianSystem::compute_eigenvalue	(	const std::string &	option,
		const Real	tol
	)

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Real BrownianSystem::compute_eigenvalue	(	const std::string &	option,
		const Real	tol,
		const bool	use_init_space,
		Vec *	v0
	)

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PetscErrorCode BrownianSystem::compute_eigenvalues	(	Real &	eigen_min,
		Real &	eigen_max,
		const Real &	tol
	)

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PetscErrorCode BrownianSystem::extract_particle_vector	(	Vec *	x,
		const std::string &	vec_type,
		const std::string &	mode
	)

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const EquationSystems& libMesh::BrownianSystem::get_equation_systems ( ) const

inline

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EquationSystems& libMesh::BrownianSystem::get_equation_systems ( )

inline

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PetscErrorCode libMesh::BrownianSystem::hi_ewald ( Mat  M, Vec  f, Vec  u  )

inline

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PetscErrorCode BrownianSystem::init_petsc_random

(

PetscRandom *

rand_ctx

)

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PetscErrorCode BrownianSystem::petsc_random_vector	(	const PetscInt	N,
		PetscRandom *	rand_ctx,
		Vec *	u
	)

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PetscErrorCode BrownianSystem::petsc_vec_scatter_to_all	(	Vec	f,
		Vec	vf,
		VecScatter	scatter,
		const std::string &	mode
	)

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Real BrownianSystem::power_iteration

(

)

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RandomGenerator& libMesh::BrownianSystem::random_generator ( )

inline

void libMesh::BrownianSystem::set_std_random_seed ( const std::size_t  seed_val )

inline

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PetscErrorCode BrownianSystem::std_random_vector	(	const Real &	a,
		const Real &	b,
		const std::string &	random_type,
		Vec *	u
	)

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std::vector< Real > BrownianSystem::std_random_vector	(	const std::size_t	N,
		const Real &	a,
		const Real &	b,
		const std::string &	random_type
	)

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PetscErrorCode BrownianSystem::vector_transform	(	std::vector< Real > &	std_vec,
		Vec *	petsc_vec,
		const std::string &	mode
	)		const

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Friends And Related Function Documentation

PetscErrorCode _MatMult_Stokes ( Mat  M, Vec  f, Vec  u  )

friend

Internal function if shell matrix mode is used, this just calls the shell matrix's matrix multiplication function. In this class, it will call Stokes solver. u = M*f NOTE that the pm_system should be reinit() before solving Stokes

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The documentation for this class was generated from the following files:

• /home/cody/copss-hydrodynamics-public/src/brownian_system.h
• /home/cody/copss-hydrodynamics-public/src/brownian_system.C