ConstantRate.C

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html

#include "ConstantRate.h"

registerMooseObject("MooseApp", ConstantRate);

InputParameters
ConstantRate::validParams()
{
  InputParameters params = NodalKernel::validParams();
  params.addClassDescription("Computes residual or the rate in a simple ODE of du/dt = rate.");
  params.addRequiredParam<Real>("rate", "The constant rate in 'du/dt = rate'");
  params.declareControllable("rate");
  return params;
}

ConstantRate::ConstantRate(const InputParameters & parameters)
  : NodalKernel(parameters), _rate(getParam<Real>("rate"))
{
}

Real
ConstantRate::computeQpResidual()
{
  return -_rate;
}

Real
ConstantRate::computeQpJacobian()
{
  return 0;
}