SecondDerivativeImplicitEuler Class Reference

#include <SecondDerivativeImplicitEuler.h>

Inheritance diagram for SecondDerivativeImplicitEuler:

Public Member Functions
	SecondDerivativeImplicitEuler (const InputParameters &parameters)

Protected Member Functions
virtual Real	computeQpResidual ()
virtual Real	computeQpJacobian ()

Protected Attributes
const VariableValue &	_u_old
const VariableValue &	_u_older

Detailed Description

Definition at line 21 of file SecondDerivativeImplicitEuler.h.

Constructor & Destructor Documentation

SecondDerivativeImplicitEuler()

SecondDerivativeImplicitEuler::SecondDerivativeImplicitEuler

(

const InputParameters &

parameters

)

Definition at line 21 of file SecondDerivativeImplicitEuler.C.

  : TimeKernel(parameters), _u_old(valueOld()), _u_older(valueOlder())
{
}

Member Function Documentation

computeQpJacobian()

Real SecondDerivativeImplicitEuler::computeQpJacobian ( )

protectedvirtual

Reimplemented in SolidMechImplicitEuler.

Definition at line 33 of file SecondDerivativeImplicitEuler.C.

Referenced by SolidMechImplicitEuler::computeQpJacobian().

{
  return _test[_i][_qp] * (_phi[_j][_qp] / (_dt * _dt));
}

computeQpResidual()

Real SecondDerivativeImplicitEuler::computeQpResidual ( )

protectedvirtual

Reimplemented in SolidMechImplicitEuler.

Definition at line 27 of file SecondDerivativeImplicitEuler.C.

Referenced by SolidMechImplicitEuler::computeQpResidual().

{
  return _test[_i][_qp] * ((_u[_qp] - 2 * _u_old[_qp] + _u_older[_qp]) / (_dt * _dt));
}

Member Data Documentation

_u_old

const VariableValue& SecondDerivativeImplicitEuler::_u_old

protected

Definition at line 30 of file SecondDerivativeImplicitEuler.h.

Referenced by computeQpResidual().

_u_older

const VariableValue& SecondDerivativeImplicitEuler::_u_older

protected

Definition at line 31 of file SecondDerivativeImplicitEuler.h.

Referenced by computeQpResidual().

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

• solid_mechanics/include/kernels/SecondDerivativeImplicitEuler.h
• solid_mechanics/src/kernels/SecondDerivativeImplicitEuler.C