Moose::MFEM::NLDiffusionIntegrator Class Reference

\[ (k(u) \vec \nabla u, \vec \nabla v) \]

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#include <NLDiffusionIntegrator.h>

Inheritance diagram for Moose::MFEM::NLDiffusionIntegrator:

Public Member Functions
	NLDiffusionIntegrator (mfem::Coefficient &k, mfem::Coefficient &dk_du, const mfem::GridFunction *gf, const mfem::IntegrationRule *ir=nullptr)
virtual void	AssembleElementVector (const mfem::FiniteElement &el, mfem::ElementTransformation &Tr, const mfem::Vector &elfun, mfem::Vector &elvect) override
virtual void	AssembleElementGrad (const mfem::FiniteElement &el, mfem::ElementTransformation &Tr, const mfem::Vector &elfun, mfem::DenseMatrix &elmat) override

Protected Attributes
mfem::DiffusionIntegrator	_diffusion_integ
mfem::GradientGridFunctionCoefficient	_grad_trial
mfem::ScalarVectorProductCoefficient	_neg_grad_trial
mfem::ScalarVectorProductCoefficient	_neg_dk_du_grad_trial
mfem::MixedScalarWeakDivergenceIntegrator	_weak_div_integ
mfem::SumIntegrator	_sum {0}

Detailed Description

\[ (k(u) \vec \nabla u, \vec \nabla v) \]

Definition at line 24 of file NLDiffusionIntegrator.h.

Constructor & Destructor Documentation

NLDiffusionIntegrator()

Moose::MFEM::NLDiffusionIntegrator::NLDiffusionIntegrator	(	mfem::Coefficient &	k,
		mfem::Coefficient &	dk_du,
		const mfem::GridFunction *	gf,
		const mfem::IntegrationRule *	ir = nullptr
	)

Definition at line 16 of file NLDiffusionIntegrator.C.

  : _diffusion_integ(k, ir),
    _grad_trial(gf),
    _neg_grad_trial(-1, _grad_trial),
    _neg_dk_du_grad_trial(dk_du, _neg_grad_trial),
    _weak_div_integ(_neg_dk_du_grad_trial)
{
  _sum.AddIntegrator(&_diffusion_integ);
  _sum.AddIntegrator(&_weak_div_integ);
}

Member Function Documentation

AssembleElementGrad()

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

overridevirtual

Definition at line 40 of file NLDiffusionIntegrator.C.

{
  _sum.AssembleElementGrad(el, Tr, elfun, elmat);
}

AssembleElementVector()

void Moose::MFEM::NLDiffusionIntegrator::AssembleElementVector ( const mfem::FiniteElement &  el, mfem::ElementTransformation &  Tr, const mfem::Vector &  elfun, mfem::Vector &  elvect  )

overridevirtual

Definition at line 31 of file NLDiffusionIntegrator.C.

{
  _diffusion_integ.AssembleElementVector(el, Tr, elfun, elvect);
}

Member Data Documentation

_diffusion_integ

mfem::DiffusionIntegrator Moose::MFEM::NLDiffusionIntegrator::_diffusion_integ

protected

Definition at line 42 of file NLDiffusionIntegrator.h.

Referenced by AssembleElementVector(), and NLDiffusionIntegrator().

_grad_trial

mfem::GradientGridFunctionCoefficient Moose::MFEM::NLDiffusionIntegrator::_grad_trial

protected

Definition at line 43 of file NLDiffusionIntegrator.h.

_neg_dk_du_grad_trial

mfem::ScalarVectorProductCoefficient Moose::MFEM::NLDiffusionIntegrator::_neg_dk_du_grad_trial

protected

Definition at line 45 of file NLDiffusionIntegrator.h.

_neg_grad_trial

mfem::ScalarVectorProductCoefficient Moose::MFEM::NLDiffusionIntegrator::_neg_grad_trial

protected

Definition at line 44 of file NLDiffusionIntegrator.h.

_sum

mfem::SumIntegrator Moose::MFEM::NLDiffusionIntegrator::_sum {0}

protected

Definition at line 47 of file NLDiffusionIntegrator.h.

Referenced by AssembleElementGrad(), and NLDiffusionIntegrator().

_weak_div_integ

mfem::MixedScalarWeakDivergenceIntegrator Moose::MFEM::NLDiffusionIntegrator::_weak_div_integ

protected

Definition at line 46 of file NLDiffusionIntegrator.h.

Referenced by NLDiffusionIntegrator().

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

• include/mfem/integrators/NLDiffusionIntegrator.h
• src/mfem/integrators/NLDiffusionIntegrator.C