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SolidMechanicsPlasticTensile.h
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10 #pragma once
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28 {
29 public:
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34  virtual std::string modelName() const override;
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36 protected:
37  Real yieldFunction(const RankTwoTensor & stress, Real intnl) const override;
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39  RankTwoTensor dyieldFunction_dstress(const RankTwoTensor & stress, Real intnl) const override;
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41  Real dyieldFunction_dintnl(const RankTwoTensor & stress, Real intnl) const override;
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43  RankTwoTensor flowPotential(const RankTwoTensor & stress, Real intnl) const override;
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45  RankFourTensor dflowPotential_dstress(const RankTwoTensor & stress, Real intnl) const override;
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47  RankTwoTensor dflowPotential_dintnl(const RankTwoTensor & stress, Real intnl) const override;
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89  virtual Real smooth(const RankTwoTensor & stress) const;
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92  virtual Real dsmooth(const RankTwoTensor & stress) const;
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95  virtual Real d2smooth(const RankTwoTensor & stress) const;
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98  virtual Real tensile_strength(const Real internal_param) const;
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101  virtual Real dtensile_strength(const Real internal_param) const;
102 };
Real yieldFunction(const RankTwoTensor &stress, Real intnl) const override
The following functions are what you should override when building single-plasticity models...
FiniteStrainTensile implements rate-independent associative tensile failure with hardening/softening ...
RankFourTensor dflowPotential_dstress(const RankTwoTensor &stress, Real intnl) const override
The derivative of the flow potential with respect to stress.
Real dyieldFunction_dintnl(const RankTwoTensor &stress, Real intnl) const override
The derivative of yield function with respect to the internal parameter.
MooseEnum _tip_scheme
The yield function is modified to f = s_m + sqrt(a + s_bar^2 K^2) - tensile_strength where "a" depend...
virtual Real dtensile_strength(const Real internal_param) const
d(tensile strength)/d(internal_param) as a function of residual value, rate, and internal_param ...
Real _bbb
Abbo et al's B parameter.
RankTwoTensor dyieldFunction_dstress(const RankTwoTensor &stress, Real intnl) const override
The derivative of yield function with respect to stress.
Real _sin3tt
sin(3*_tt) - useful for making comparisons with Lode angle
SolidMechanicsPlasticTensile(const InputParameters &parameters)
virtual Real tensile_strength(const Real internal_param) const
tensile strength as a function of residual value, rate, and internal_param
Real _small_smoother2
Square of tip smoothing parameter to smooth the cone at mean_stress = T.
Real _cap_rate
dictates how quickly the 'cap' degenerates to a hemisphere - see doco for _tip_scheme ...
Real _lode_cutoff
if secondInvariant < _lode_cutoff then set Lode angle to zero. This is to guard against precision-los...
RankTwoTensor flowPotential(const RankTwoTensor &stress, Real intnl) const override
The flow potential.
const SolidMechanicsHardeningModel & _strength
Real _tt
edge smoothing parameter, in radians
Real _aaa
Abbo et al&#39;s A parameter.
virtual Real d2smooth(const RankTwoTensor &stress) const
returns the d^2a/dstress_mean^2 - see doco for _tip_scheme
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
RankTwoTensor dflowPotential_dintnl(const RankTwoTensor &stress, Real intnl) const override
The derivative of the flow potential with respect to the internal parameter.
const InputParameters & parameters() const
Real _ccc
Abbo et al&#39;s C parameter.
virtual Real smooth(const RankTwoTensor &stress) const
returns the &#39;a&#39; parameter - see doco for _tip_scheme
Plastic Model base class The virtual functions written below must be over-ridden in derived classes t...
Real _cap_start
smoothing parameter dictating when the &#39;cap&#39; will start - see doco for _tip_scheme ...
virtual std::string modelName() const override
virtual Real dsmooth(const RankTwoTensor &stress) const
returns the da/dstress_mean - see doco for _tip_scheme