GRINS::SpalartAllmarasHelper Class Reference

#include <spalart_allmaras_helper.h>

Collaboration diagram for GRINS::SpalartAllmarasHelper:

Public Member Functions
	SpalartAllmarasHelper (const GetPot &input)
virtual	~SpalartAllmarasHelper ()
void	init_variables (libMesh::FEMSystem *system)
libMesh::Real	vorticity (AssemblyContext &context, unsigned int qp) const

Protected Attributes
unsigned int	_dim
PrimitiveFlowVariables	_flow_vars

Private Member Functions
	SpalartAllmarasHelper ()

Detailed Description

Definition at line 38 of file spalart_allmaras_helper.h.

Constructor & Destructor Documentation

GRINS::SpalartAllmarasHelper::SpalartAllmarasHelper

(

const GetPot &

input

)

Definition at line 44 of file spalart_allmaras_helper.C.

    : _flow_vars(input)
  {}

virtual GRINS::SpalartAllmarasHelper::~SpalartAllmarasHelper ( )

inlinevirtual

Definition at line 44 of file spalart_allmaras_helper.h.

{};

GRINS::SpalartAllmarasHelper::SpalartAllmarasHelper ( )

private

Member Function Documentation

void GRINS::SpalartAllmarasHelper::init_variables

(

libMesh::FEMSystem *

system

)

Definition at line 48 of file spalart_allmaras_helper.C.

References _dim, _flow_vars, and GRINS::PrimitiveFlowVariables::init().

Referenced by GRINS::SpalartAllmarasStabilizationHelper::init().

  {
    this->_dim = system->get_mesh().mesh_dimension();

    this->_flow_vars.init(system);

    return;
  }

libMesh::Real GRINS::SpalartAllmarasHelper::vorticity	(	AssemblyContext &	context,
		unsigned int	qp
	)		const

Definition at line 57 of file spalart_allmaras_helper.C.

References _dim, _flow_vars, GRINS::PrimitiveFlowVariables::u_var(), GRINS::PrimitiveFlowVariables::v_var(), and GRINS::PrimitiveFlowVariables::w_var().

Referenced by GRINS::SpalartAllmarasStabilizationHelper::compute_res_spalart_steady().

  {
    libMesh::Gradient grad_u, grad_v;
    grad_u = context.interior_gradient(this->_flow_vars.u_var(), qp);
    grad_v = context.interior_gradient(this->_flow_vars.v_var(), qp);

    libMesh::Real vorticity_value;
    vorticity_value = fabs(grad_v(0) - grad_u(1));

    if(this->_dim == 3)
      {
        libMesh::Gradient grad_w;
        grad_w = context.interior_gradient(this->_flow_vars.w_var(), qp);

        libMesh::Real vorticity_component_0 = grad_w(1) - grad_v(2);
        libMesh::Real vorticity_component_1 = grad_u(2) - grad_v(0);

        libMesh::Real term = vorticity_component_0*vorticity_component_0
          + vorticity_component_1*vorticity_component_1
          + vorticity_value*vorticity_value;

        vorticity_value += std::sqrt(term);
      }

    return vorticity_value;
  }

Member Data Documentation

unsigned int GRINS::SpalartAllmarasHelper::_dim

protected

Definition at line 54 of file spalart_allmaras_helper.h.

Referenced by init_variables(), and vorticity().

PrimitiveFlowVariables GRINS::SpalartAllmarasHelper::_flow_vars

protected

Definition at line 57 of file spalart_allmaras_helper.h.

Referenced by init_variables(), and vorticity().

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

• src/physics/include/grins/spalart_allmaras_helper.h
• src/physics/src/spalart_allmaras_helper.C