ExplicitMassDamping.h

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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
 
#pragma once
 
#include "NodalKernel.h"
 
// Forward Declarations
 
class ExplicitMassDamping : public NodalKernel
{
public:
  static InputParameters validParams();
 
  ExplicitMassDamping(const InputParameters & parameters);
 
protected:
  virtual Real computeQpResidual() override;
 
  const Real _eta;
 
  const NumericVector<Number> & _mass_matrix_lumped;
 
  const Real & _u_dot_old;
 
private:
  const NumericVector<Number> & initLumpedMass();
};