Spectral vanishing viscosity configuration and coefficients. More...

Collaboration diagram for spectral_vanishing_viscosity::svv_t:

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Public Member Functions
procedure, pass(this)	init (this, json, coef, rho)
	Construct an SVV object from case parameters.

procedure, pass(this)	free (this)
	Release all resources owned by an SVV object.

procedure, pass(this)	update (this, rho, tstep)
	Update a time-varying, field-valued SVV viscosity.

Public Attributes
type(elementwise_filter_t)	filter
	Element-local modal low-pass filter.

character(len=:), allocatable	direction
	Reference directions in which the filter is applied.

character(len=:), allocatable	kernel_type
	Kernel type defining the modal transfer function.

type(coef_t), pointer	coef => null()
	SEM coefficients associated with this SVV object.

real(kind=rp), dimension(:,:,:,:), allocatable	h1
	Density-weighted SVV viscosity.

type(c_ptr)	h1_d = C_NULL_PTR

real(kind=rp), dimension(:,:), allocatable	ident
	Identity matrix used to disable filtering in selected directions.

type(c_ptr)	ident_d = C_NULL_PTR

character(len=:), allocatable	nue_field_name
	Name and pointer for a field-valued SVV viscosity.

type(field_t), pointer	nue => null()

logical	tvar_h1 = .false.
	Whether the viscosity field is updated every time step.

Detailed Description

Member Function/Subroutine Documentation

procedure, pass(this) spectral_vanishing_viscosity::svv_t::free ( class(svv_t), intent(inout) this )

Parameters

this	SVV object.

procedure, pass(this) spectral_vanishing_viscosity::svv_t::init	(	class(svv_t), intent(inout)	this,
		type(json_file), intent(inout)	json,
		type(coef_t), intent(in), target	coef,
		type(field_t), intent(in)	rho
	)

Parameters

this	SVV object.
json	JSON object containing an `svv` dictionary.
coef	SEM coefficients.
rho	Density field.

procedure, pass(this) spectral_vanishing_viscosity::svv_t::update	(	class(svv_t), intent(inout)	this,
		type(field_t), intent(in)	rho,
		integer, intent(in)	tstep
	)