- internal_constraint_toleranceThe Newton-Raphson process is only deemed converged if the internal constraint is less than this.
C++ Type:double

Description:The Newton-Raphson process is only deemed converged if the internal constraint is less than this.

- bA constant to model the influence of pressure
C++ Type:double

Description:A constant to model the influence of pressure

- yield_function_toleranceIf the yield function is less than this amount, the (stress, internal parameter) are deemed admissible.
C++ Type:double

Description:If the yield function is less than this amount, the (stress, internal parameter) are deemed admissible.

- yield_strengthA TensorMechanicsHardening UserObject that defines hardening of the yield strength
C++ Type:UserObjectName

Description:A TensorMechanicsHardening UserObject that defines hardening of the yield strength

- c2The six coefficients of L prime prime
C++ Type:std::vector

Description:The six coefficients of L prime prime

- c1The six coefficients of L prime
C++ Type:std::vector

Description:The six coefficients of L prime

# TensorMechanicsPlasticOrthotropic

The TensorMechanicsPlasticOrthotropic has not been documented. The content contained on this page includes the basic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.

Orthotropic plasticity for pressure sensitive materials and also models the strength differential effect

## Input Parameters

- c0A constant to model the influence of strength differential effect
Default:0

C++ Type:double

Description:A constant to model the influence of strength differential effect

- use_custom_ctoTrueWhether to use the custom consistent tangent operator computations. Set to true if you are using isotropic elasticity.
Default:True

C++ Type:bool

Description:Whether to use the custom consistent tangent operator computations. Set to true if you are using isotropic elasticity.

- use_custom_returnMapTrueWhether to use the custom returnMap algorithm. Set to true if you are using isotropic elasticity.
Default:True

C++ Type:bool

Description:Whether to use the custom returnMap algorithm. Set to true if you are using isotropic elasticity.

- execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM.
Default:TIMESTEP_END

C++ Type:ExecFlagEnum

Description:The list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM.

- associativeTrueFlag for flow-rule, true if not specified
Default:True

C++ Type:bool

Description:Flag for flow-rule, true if not specified

- max_iterations10Maximum iterations for custom J2 return map
Default:10

C++ Type:unsigned int

Description:Maximum iterations for custom J2 return map

### Optional Parameters

- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector

Description:Adds user-defined labels for accessing object parameters via control logic.

- enableTrueSet the enabled status of the MooseObject.
Default:True

C++ Type:bool

Description:Set the enabled status of the MooseObject.

- allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
Default:False

C++ Type:bool

Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).

- force_preauxFalseForces the GeneralUserObject to be executed in PREAUX
Default:False

C++ Type:bool

Description:Forces the GeneralUserObject to be executed in PREAUX

- use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:False

C++ Type:bool

Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.

### Advanced Parameters

## Input Files

- modules/tensor_mechanics/test/tests/orthotropic_plasticity/powerRuleHardening.i
- modules/tensor_mechanics/test/tests/orthotropic_plasticity/orthotropic.i