AssociativeIsotropicPlasticHardening.h

// Copyright 2023, UChicago Argonne, LLC
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// Software Name: NEML2 -- the New Engineering material Model Library, version 2
// By: Argonne National Laboratory
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#pragma once
 
#include "neml2/models/solid_mechanics/FlowRule.h"
 
namespace neml2
{
class AssociativeIsotropicPlasticHardening : public FlowRule
{
public:
  static OptionSet expected_options();
 
  AssociativeIsotropicPlasticHardening(const OptionSet & options);
 
  const VariableName isotropic_hardening_direction;
 
  const VariableName equivalent_plastic_strain_rate;
 
protected:
  void set_value(bool out, bool dout_din, bool d2out_din2) override;
 
  const Variable<Scalar> & _Nk;
 
  Variable<Scalar> & _ep_dot;
};
} // namespace neml2