StateRate.h

// Copyright 2023, UChicago Argonne, LLC
// All Rights Reserved
// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
// OPEN SOURCE LICENSE (MIT)
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#pragma once
 
#include "neml2/models/Model.h"
 
namespace neml2
{
template <typename T>
class StateRate : public Model
{
public:
  static OptionSet expected_options();
 
  StateRate(const OptionSet & options);
 
protected:
  void set_value(bool out, bool dout_din, bool d2out_din2) override;
 
  const Variable<T> & _s;
 
  const Variable<T> & _sn;
 
  const Variable<Scalar> & _t;
 
  const Variable<Scalar> & _tn;
 
  Variable<T> & _ds_dt;
};
 
typedef StateRate<Scalar> ScalarStateRate;
typedef StateRate<SR2> SR2StateRate;
} // namespace neml2