# DynamicTensorMechanicsAction

under construction:Undocumented Class

The DynamicTensorMechanicsAction has not been documented, if you would like to contribute to MOOSE by writing documentation, please see Documenting MOOSE. The content contained on this page explains the typical documentation associated with an action; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.

Set up dynamic stress divergence kernels

## Input Parameters

• displacementsThe nonlinear displacement variables for the problem

C++ Type:std::vector

Description:The nonlinear displacement variables for the problem

### Required Parameters

• static_initializationFalseSet to true get the system to equillibrium under gravity by running a quasi-static analysis (by solving Ku = F) in the first time step.

Default:False

C++ Type:bool

Description:Set to true get the system to equillibrium under gravity by running a quasi-static analysis (by solving Ku = F) in the first time step.

• decomposition_methodTaylorExpansionMethods to calculate the finite strain and rotation increments

Default:TaylorExpansion

C++ Type:MooseEnum

Description:Methods to calculate the finite strain and rotation increments

• strain_base_nameThe base name used for the strain. If not provided, it will be set equal to base_name

C++ Type:std::string

Description:The base name used for the strain. If not provided, it will be set equal to base_name

• base_nameMaterial property base name

C++ Type:std::string

Description:Material property base name

• use_displaced_meshFalseWhether to use displaced mesh in the kernels

Default:False

C++ Type:bool

Description:Whether to use displaced mesh in the kernels

• incrementalFalseUse incremental or total strain

Default:False

C++ Type:bool

Description:Use incremental or total strain

• eigenstrain_namesList of eigenstrains to be applied in this strain calculation

C++ Type:std::vector

Description:List of eigenstrains to be applied in this strain calculation

• strainSMALLStrain formulation

Default:SMALL

C++ Type:MooseEnum

Description:Strain formulation

Default:False

C++ Type:bool

• inactiveIf specified blocks matching these identifiers will be skipped.

C++ Type:std::vector

Description:If specified blocks matching these identifiers will be skipped.

• volumetric_locking_correctionFalseFlag to correct volumetric locking

Default:False

C++ Type:bool

Description:Flag to correct volumetric locking

• use_finite_deform_jacobianFalseJacobian for corrotational finite strain

Default:False

C++ Type:bool

Description:Jacobian for corrotational finite strain

• active__all__ If specified only the blocks named will be visited and made active

Default:__all__

C++ Type:std::vector

Description:If specified only the blocks named will be visited and made active

• alpha0alpha parameter for HHT time integration

Default:0

C++ Type:double

Description:alpha parameter for HHT time integration

• zeta0Name of material property or a constant real number defining the zeta parameter for the Rayleigh damping.

Default:0

C++ Type:MaterialPropertyName

Description:Name of material property or a constant real number defining the zeta parameter for the Rayleigh damping.

• temperatureThe temperature

C++ Type:NonlinearVariableName

Description:The temperature

### Optional Parameters

• generate_outputAdd scalar quantity output for stress and/or strain

C++ Type:MultiMooseEnum

Description:Add scalar quantity output for stress and/or strain

• additional_generate_outputAdd scalar quantity output for stress and/or strain (will be appended to the list in generate_output)

C++ Type:MultiMooseEnum

Description:Add scalar quantity output for stress and/or strain (will be appended to the list in generate_output)

### Output Parameters

• save_inThe displacement residuals

C++ Type:std::vector

Description:The displacement residuals

• blockThe list of ids of the blocks (subdomain) that the stress divergence kernels will be applied to

C++ Type:std::vector

Description:The list of ids of the blocks (subdomain) that the stress divergence kernels will be applied to

• diag_save_inThe displacement diagonal preconditioner terms

C++ Type:std::vector

Description:The displacement diagonal preconditioner terms

• scalar_out_of_plane_strainScalar variable for the out-of-plane strain (in y direction for 1D Axisymmetric or in z direction for 2D Cartesian problems)

C++ Type:NonlinearVariableName

Description:Scalar variable for the out-of-plane strain (in y direction for 1D Axisymmetric or in z direction for 2D Cartesian problems)

• out_of_plane_pressure0Function used to prescribe pressure in the out-of-plane direction (y for 1D Axisymmetric or z for 2D Cartesian problems)

Default:0

C++ Type:FunctionName

Description:Function used to prescribe pressure in the out-of-plane direction (y for 1D Axisymmetric or z for 2D Cartesian problems)

• out_of_plane_directionzThe direction of the out-of-plane strain.

Default:z

C++ Type:MooseEnum

Description:The direction of the out-of-plane strain.

• planar_formulationNONEOut-of-plane stress/strain formulation

Default:NONE

C++ Type:MooseEnum

Description:Out-of-plane stress/strain formulation

• pressure_factor1Scale factor applied to prescribed pressure

Default:1

C++ Type:double

Description:Scale factor applied to prescribed pressure