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TensorMechanicsPlasticTensile.h
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2 /* MOOSE - Multiphysics Object Oriented Simulation Environment */
3 /* */
4 /* All contents are licensed under LGPL V2.1 */
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6 /****************************************************************/
7 #ifndef TENSORMECHANICSPLASTICTENSILE_H
8 #define TENSORMECHANICSPLASTICTENSILE_H
9 
12 
14 
15 template <>
17 
31 {
32 public:
33  TensorMechanicsPlasticTensile(const InputParameters & parameters);
34 
35  virtual std::string modelName() const override;
36 
37 protected:
38  Real yieldFunction(const RankTwoTensor & stress, Real intnl) const override;
39 
40  RankTwoTensor dyieldFunction_dstress(const RankTwoTensor & stress, Real intnl) const override;
41 
42  Real dyieldFunction_dintnl(const RankTwoTensor & stress, Real intnl) const override;
43 
44  RankTwoTensor flowPotential(const RankTwoTensor & stress, Real intnl) const override;
45 
46  RankFourTensor dflowPotential_dstress(const RankTwoTensor & stress, Real intnl) const override;
47 
48  RankTwoTensor dflowPotential_dintnl(const RankTwoTensor & stress, Real intnl) const override;
49 
51 
60  MooseEnum _tip_scheme;
61 
64 
66  Real _cap_start;
67 
69  Real _cap_rate;
70 
72  Real _tt;
73 
75  Real _sin3tt;
76 
79 
81  Real _ccc;
82 
84  Real _bbb;
85 
87  Real _aaa;
88 
90  virtual Real smooth(const RankTwoTensor & stress) const;
91 
93  virtual Real dsmooth(const RankTwoTensor & stress) const;
94 
96  virtual Real d2smooth(const RankTwoTensor & stress) const;
97 
99  virtual Real tensile_strength(const Real internal_param) const;
100 
102  virtual Real dtensile_strength(const Real internal_param) const;
103 };
104 
105 #endif // TENSORMECHANICSPLASTICTENSILE_H
virtual Real d2smooth(const RankTwoTensor &stress) const
returns the d^2a/dstress_mean^2 - see doco for _tip_scheme
Real dyieldFunction_dintnl(const RankTwoTensor &stress, Real intnl) const override
The derivative of yield function with respect to the internal parameter.
Real _bbb
Abbo et al&#39;s B parameter.
virtual Real dsmooth(const RankTwoTensor &stress) const
returns the da/dstress_mean - see doco for _tip_scheme
TensorMechanicsPlasticTensile(const InputParameters &parameters)
FiniteStrainTensile implements rate-independent associative tensile failure with hardening/softening ...
Real _sin3tt
sin(3*_tt) - useful for making comparisons with Lode angle
RankTwoTensor dyieldFunction_dstress(const RankTwoTensor &stress, Real intnl) const override
The derivative of yield function with respect to stress.
RankTwoTensor dflowPotential_dintnl(const RankTwoTensor &stress, Real intnl) const override
The derivative of the flow potential with respect to the internal parameter.
Real _ccc
Abbo et al&#39;s C parameter.
virtual Real tensile_strength(const Real internal_param) const
tensile strength as a function of residual value, rate, and internal_param
virtual std::string modelName() const override
RankTwoTensor flowPotential(const RankTwoTensor &stress, Real intnl) const override
The flow potential.
Real _tt
edge smoothing parameter, in radians
Real _small_smoother2
Square of tip smoothing parameter to smooth the cone at mean_stress = T.
Real yieldFunction(const RankTwoTensor &stress, Real intnl) const override
The following functions are what you should override when building single-plasticity models...
Real _cap_start
smoothing parameter dictating when the &#39;cap&#39; will start - see doco for _tip_scheme ...
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 _aaa
Abbo et al&#39;s A parameter.
Plastic Model base class The virtual functions written below must be over-ridden in derived classes t...
Real _cap_rate
dictates how quickly the &#39;cap&#39; degenerates to a hemisphere - see doco for _tip_scheme ...
MooseEnum _tip_scheme
The yield function is modified to f = s_m + sqrt(a + s_bar^2 K^2) - tensile_strength where "a" depend...
RankFourTensor dflowPotential_dstress(const RankTwoTensor &stress, Real intnl) const override
The derivative of the flow potential with respect to stress.
virtual Real smooth(const RankTwoTensor &stress) const
returns the &#39;a&#39; parameter - see doco for _tip_scheme
const TensorMechanicsHardeningModel & _strength
Real _lode_cutoff
if secondInvariant < _lode_cutoff then set Lode angle to zero. This is to guard against precision-los...
InputParameters validParams< TensorMechanicsPlasticTensile >()