NewmarkVelAux Class Reference

#include <NewmarkVelAux.h>

Inheritance diagram for NewmarkVelAux:

Public Member Functions
	NewmarkVelAux (const InputParameters &parameters)
	Calcualtes velocity using Newmark time integration scheme. More...
virtual	~NewmarkVelAux ()

Static Public Member Functions
static InputParameters	validParams ()

Protected Member Functions
virtual Real	computeValue ()

Protected Attributes
const VariableValue &	_accel_old
const VariableValue &	_accel
Real	_gamma

Detailed Description

Definition at line 19 of file NewmarkVelAux.h.

Constructor & Destructor Documentation

NewmarkVelAux()

NewmarkVelAux::NewmarkVelAux

(

const InputParameters &

parameters

)

Calcualtes velocity using Newmark time integration scheme.

Definition at line 26 of file NewmarkVelAux.C.

  : AuxKernel(parameters),
    _accel_old(coupledValueOld("acceleration")),
    _accel(coupledValue("acceleration")),
    _gamma(getParam<Real>("gamma"))
{
}

~NewmarkVelAux()

virtual NewmarkVelAux::~NewmarkVelAux ( )

inlinevirtual

Definition at line 29 of file NewmarkVelAux.h.

{}

Member Function Documentation

computeValue()

Real NewmarkVelAux::computeValue ( )

protectedvirtual

Definition at line 35 of file NewmarkVelAux.C.

{
  Real vel_old = _u_old[_qp];
  if (!isNodal())
    mooseError("must run on a nodal variable");
  // Calculates Velocity using Newmark time integration scheme
  return vel_old + (_dt * (1 - _gamma)) * _accel_old[_qp] + _gamma * _dt * _accel[_qp];
}

validParams()

InputParameters NewmarkVelAux::validParams ( )

static

Definition at line 17 of file NewmarkVelAux.C.

{
  InputParameters params = AuxKernel::validParams();
  params.addClassDescription("Calculates the current velocity using Newmark method.");
  params.addRequiredCoupledVar("acceleration", "acceleration variable");
  params.addRequiredParam<Real>("gamma", "gamma parameter for Newmark method");
  return params;
}

Member Data Documentation

_accel

const VariableValue& NewmarkVelAux::_accel

protected

Definition at line 35 of file NewmarkVelAux.h.

Referenced by computeValue().

_accel_old

const VariableValue& NewmarkVelAux::_accel_old

protected

Definition at line 34 of file NewmarkVelAux.h.

Referenced by computeValue().

_gamma

Real NewmarkVelAux::_gamma

protected

Definition at line 36 of file NewmarkVelAux.h.

Referenced by computeValue().

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

• tensor_mechanics/include/auxkernels/NewmarkVelAux.h
• tensor_mechanics/src/auxkernels/NewmarkVelAux.C