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1 : //* This file is part of the MOOSE framework 2 : //* https://mooseframework.inl.gov 3 : //* 4 : //* All rights reserved, see COPYRIGHT for full restrictions 5 : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT 6 : //* 7 : //* Licensed under LGPL 2.1, please see LICENSE for details 8 : //* https://www.gnu.org/licenses/lgpl-2.1.html 9 : 10 : #include "ConstantRate.h" 11 : 12 : registerMooseObject("MooseApp", ConstantRate); 13 : 14 : InputParameters 15 14432 : ConstantRate::validParams() 16 : { 17 14432 : InputParameters params = NodalKernel::validParams(); 18 14432 : params.addClassDescription("Computes residual or the rate in a simple ODE of du/dt = rate."); 19 14432 : params.addRequiredParam<Real>("rate", "The constant rate in 'du/dt = rate'"); 20 14432 : params.declareControllable("rate"); 21 14432 : return params; 22 0 : } 23 : 24 98 : ConstantRate::ConstantRate(const InputParameters & parameters) 25 98 : : NodalKernel(parameters), _rate(getParam<Real>("rate")) 26 : { 27 98 : } 28 : 29 : Real 30 745048 : ConstantRate::computeQpResidual() 31 : { 32 745048 : return -_rate; 33 : } 34 : 35 : Real 36 126512 : ConstantRate::computeQpJacobian() 37 : { 38 126512 : return 0; 39 : }