Moose::MFEM::NLCurlCurlJacMatrixCoefficient Class Reference

Matrix coefficient for the Jacobian of NLCurlCurlIntegrator. More...

#include <NLCurlCurlIntegrator.h>

Inheritance diagram for Moose::MFEM::NLCurlCurlJacMatrixCoefficient:

Public Member Functions
	NLCurlCurlJacMatrixCoefficient (mfem::Coefficient &k, mfem::Coefficient &curlu_dk_dcurlu, mfem::VectorCoefficient &curlu_vec, mfem::real_t curlu_zero_tol)
void	Eval (mfem::DenseMatrix &K, mfem::ElementTransformation &T, const mfem::IntegrationPoint &ip) override
void	SetTime (mfem::real_t t) override

Protected Attributes
mfem::Coefficient &	_k_coef
mfem::Coefficient &	_curlu_dk_dcurlu_coef
const mfem::real_t	_curlu_zero_tol
mfem::NormalizedVectorCoefficient	_curlu_hat_coef

Detailed Description

Matrix coefficient for the Jacobian of NLCurlCurlIntegrator.

Produces the matrix k(|curl u|) I + |curl u| dk/d|curl u| (curl u_hat \otimes curl u_hat)

Definition at line 23 of file NLCurlCurlIntegrator.h.

Constructor & Destructor Documentation

NLCurlCurlJacMatrixCoefficient()

Moose::MFEM::NLCurlCurlJacMatrixCoefficient::NLCurlCurlJacMatrixCoefficient	(	mfem::Coefficient &	k,
		mfem::Coefficient &	curlu_dk_dcurlu,
		mfem::VectorCoefficient &	curlu_vec,
		mfem::real_t	curlu_zero_tol
	)

Definition at line 17 of file NLCurlCurlIntegrator.C.

  : mfem::MatrixCoefficient(curlu_vec.GetVDim()),
    _k_coef(k),
    _curlu_dk_dcurlu_coef(curlu_dk_dcurlu),
    _curlu_zero_tol(curlu_zero_tol),
    _curlu_hat_coef(curlu_vec, _curlu_zero_tol)
{
}

Member Function Documentation

Eval()

void Moose::MFEM::NLCurlCurlJacMatrixCoefficient::Eval ( mfem::DenseMatrix &  K, mfem::ElementTransformation &  T, const mfem::IntegrationPoint &  ip  )

override

Definition at line 39 of file NLCurlCurlIntegrator.C.

{
  const int dim = GetHeight();
  mfem::Vector curlu_hat(dim);
 
  _curlu_hat_coef.Eval(curlu_hat, T, ip);
  const mfem::real_t k = _k_coef.Eval(T, ip);
  const mfem::real_t curlu_dk_dcurlu = _curlu_dk_dcurlu_coef.Eval(T, ip);
 
  K.Diag(k, dim);
  for (int i = 0; i < dim; ++i)
    for (int j = 0; j < dim; ++j)
      K(i, j) += curlu_dk_dcurlu * curlu_hat(i) * curlu_hat(j);
}

SetTime()

void Moose::MFEM::NLCurlCurlJacMatrixCoefficient::SetTime ( mfem::real_t  t )

override

Definition at line 30 of file NLCurlCurlIntegrator.C.

{
  MatrixCoefficient::SetTime(t);
  _k_coef.SetTime(t);
  _curlu_dk_dcurlu_coef.SetTime(t);
  _curlu_hat_coef.SetTime(t);
}

Member Data Documentation

_curlu_dk_dcurlu_coef

mfem::Coefficient& Moose::MFEM::NLCurlCurlJacMatrixCoefficient::_curlu_dk_dcurlu_coef

protected

Definition at line 38 of file NLCurlCurlIntegrator.h.

Referenced by Eval(), and SetTime().

_curlu_hat_coef

mfem::NormalizedVectorCoefficient Moose::MFEM::NLCurlCurlJacMatrixCoefficient::_curlu_hat_coef

protected

Definition at line 40 of file NLCurlCurlIntegrator.h.

Referenced by Eval(), and SetTime().

_curlu_zero_tol

const mfem::real_t Moose::MFEM::NLCurlCurlJacMatrixCoefficient::_curlu_zero_tol

protected

Definition at line 39 of file NLCurlCurlIntegrator.h.

_k_coef

mfem::Coefficient& Moose::MFEM::NLCurlCurlJacMatrixCoefficient::_k_coef

protected

Definition at line 37 of file NLCurlCurlIntegrator.h.

Referenced by Eval(), and SetTime().

---

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

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