#include <nonlininteg.hpp>

Inheritance diagram for mfem::SkewSymmetricVectorConvectionNLFIntegrator:

Collaboration diagram for mfem::SkewSymmetricVectorConvectionNLFIntegrator:

Public Member Functions
	SkewSymmetricVectorConvectionNLFIntegrator (Coefficient &q)

	SkewSymmetricVectorConvectionNLFIntegrator ()=default

void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun, DenseMatrix &elmat) override
	Assemble the local gradient matrix.

Public Member Functions inherited from mfem::VectorConvectionNLFIntegrator
	VectorConvectionNLFIntegrator (Coefficient &q)

	VectorConvectionNLFIntegrator ()=default

void	AssembleElementVector (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun, Vector &elvect) override
	Perform the local action of the NonlinearFormIntegrator.

void	AssembleElementGrad (const FiniteElement &el, ElementTransformation &trans, const Vector &elfun, DenseMatrix &elmat) override
	Assemble the local gradient matrix.

void	AssemblePA (const FiniteElementSpace &fes) override
	Method defining partial assembly.

void	AssembleMF (const FiniteElementSpace &fes) override
	Method defining fully unassembled operator.

void	AddMultPA (const Vector &x, Vector &y) const override
	Method for partially assembled action.

void	AddMultMF (const Vector &x, Vector &y) const override

virtual void	AssemblePA (const FiniteElementSpace &trial_fes, const FiniteElementSpace &test_fes)

Public Member Functions inherited from mfem::NonlinearFormIntegrator
void	SetIntegrationMode (Mode m)

bool	Patchwise () const

void	SetPAMemoryType (MemoryType mt)

virtual void	AssembleFaceVector (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, Vector &elvect)
	Perform the local action of the NonlinearFormIntegrator resulting from a face integral term.

virtual void	AssembleFaceGrad (const FiniteElement &el1, const FiniteElement &el2, FaceElementTransformations &Tr, const Vector &elfun, DenseMatrix &elmat)
	Assemble the local action of the gradient of the NonlinearFormIntegrator resulting from a face integral term.

virtual real_t	GetElementEnergy (const FiniteElement &el, ElementTransformation &Tr, const Vector &elfun)
	Compute the local energy.

virtual void	AssembleGradPA (const Vector &x, const FiniteElementSpace &fes)
	Prepare the integrator for partial assembly (PA) gradient evaluations on the given FE space fes at the state x.

virtual real_t	GetLocalStateEnergyPA (const Vector &x) const
	Compute the local (to the MPI rank) energy with partial assembly.

virtual void	AddMultGradPA (const Vector &x, Vector &y) const
	Method for partially assembled gradient action.

virtual void	AssembleGradDiagonalPA (Vector &diag) const
	Method for computing the diagonal of the gradient with partial assembly.

virtual bool	SupportsCeed () const
	Indicates whether this integrator can use a Ceed backend.

ceed::Operator &	GetCeedOp ()

virtual	~NonlinearFormIntegrator ()

Public Member Functions inherited from mfem::Integrator
	Integrator (const IntegrationRule *ir=NULL)
	Create a new Integrator, optionally providing a prescribed quadrature rule to use in assembly.

virtual void	SetIntRule (const IntegrationRule *ir)
	Prescribe a fixed IntegrationRule to use, or set to null to let the integrator choose an appropriate rule.

void	SetIntegrationRule (const IntegrationRule &ir)
	Prescribe a fixed IntegrationRule to use. Sets the NURBS patch integration rule to null.

void	SetNURBSPatchIntRule (NURBSMeshRules *pr)
	Sets an integration rule for use on NURBS patches.

bool	HasNURBSPatchIntRule () const
	Check if a NURBS patch integration rule has been set.

const IntegrationRule *	GetIntRule () const
	Directly return the IntRule pointer (possibly null) without checking for NURBS patch rules or falling back on a default.

const IntegrationRule *	GetIntegrationRule () const
	Equivalent to GetIntRule, but retained for backward compatibility with applications.

Additional Inherited Members
Public Types inherited from mfem::NonlinearFormIntegrator
enum	Mode { ELEMENTWISE = 0 , PATCHWISE = 1 , PATCHWISE_REDUCED = 2 }

Static Public Member Functions inherited from mfem::VectorConvectionNLFIntegrator
static const IntegrationRule &	GetRule (const FiniteElement &fe, const ElementTransformation &T)

Protected Member Functions inherited from mfem::VectorConvectionNLFIntegrator
const IntegrationRule *	GetDefaultIntegrationRule (const FiniteElement &trial_fe, const FiniteElement &test_fe, const ElementTransformation &trans) const override
	Subclasses should override to choose a default integration rule.

Protected Member Functions inherited from mfem::NonlinearFormIntegrator
	NonlinearFormIntegrator (const IntegrationRule *ir=NULL)

Protected Member Functions inherited from mfem::Integrator
const IntegrationRule *	GetIntegrationRule (const FiniteElement &trial_fe, const FiniteElement &test_fe, const ElementTransformation &trans) const
	Returns an integration rule based on the arguments and internal state of the Integrator object.

const IntegrationRule *	GetIntegrationRule (const FiniteElement &el, const ElementTransformation &trans) const
	Returns an integration rule based on the arguments and internal state. (Version for identical trial_fe and test_fe)

Protected Attributes inherited from mfem::NonlinearFormIntegrator
Mode	integrationMode = Mode::ELEMENTWISE

ceed::Operator *	ceedOp

MemoryType	pa_mt = MemoryType::DEFAULT

Protected Attributes inherited from mfem::Integrator
const IntegrationRule *	IntRule

NURBSMeshRules *	patchRules = nullptr

Detailed Description

This class is used to assemble the skew-symmetric form of the nonlinear term arising in the Navier-Stokes equations \(.5*(u \cdot \nabla v, w ) - .5*(u \cdot \nabla w, v )\)

Definition at line 457 of file nonlininteg.hpp.

Constructor & Destructor Documentation

◆ SkewSymmetricVectorConvectionNLFIntegrator() [1/2]

mfem::SkewSymmetricVectorConvectionNLFIntegrator::SkewSymmetricVectorConvectionNLFIntegrator ( Coefficient & q )

inline

Definition at line 466 of file nonlininteg.hpp.

◆ SkewSymmetricVectorConvectionNLFIntegrator() [2/2]

mfem::SkewSymmetricVectorConvectionNLFIntegrator::SkewSymmetricVectorConvectionNLFIntegrator ( )

default

Member Function Documentation

◆ AssembleElementGrad()

void mfem::SkewSymmetricVectorConvectionNLFIntegrator::AssembleElementGrad	(	const FiniteElement &	el,
		ElementTransformation &	Tr,
		const Vector &	elfun,
		DenseMatrix &	elmat )

overridevirtual

Assemble the local gradient matrix.

Reimplemented from mfem::NonlinearFormIntegrator.

Definition at line 902 of file nonlininteg.cpp.

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

fem/nonlininteg.hpp
fem/nonlininteg.cpp