NullExecutor

Dummy executor that does nothing. Useful for testing among other things.

The NullExecutor is an object used for testing and for temporarily replacing a different executor when doing lazy binding. It should not be created by users.

Input Parameters

  • begin_exec_flagNONEexec flag associated with the beginning of this executor

    Default:NONE

    C++ Type:MooseEnumItem

    Unit:(no unit assumed)

    Controllable:No

    Description:exec flag associated with the beginning of this executor

  • end_exec_flagNONEexec flag associated with the end of this executor

    Default:NONE

    C++ Type:MooseEnumItem

    Unit:(no unit assumed)

    Controllable:No

    Description:exec flag associated with the end of this executor

  • verboseFalseSet to true to print additional information

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Set to true to print additional information

Optional Parameters

  • accept_on_max_fixed_point_iterationFalseTrue to treat reaching the maximum number of fixed point iterations as converged.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:True to treat reaching the maximum number of fixed point iterations as converged.

  • auto_advanceFalseWhether to automatically advance sub-applications regardless of whether their solve converges, for transient executioners only.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Whether to automatically advance sub-applications regardless of whether their solve converges, for transient executioners only.

  • custom_abs_tol1e-50The absolute nonlinear residual to shoot for during fixed point iterations. This check is performed based on postprocessor defined by the custom_pp residual.

    Default:1e-50

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The absolute nonlinear residual to shoot for during fixed point iterations. This check is performed based on postprocessor defined by the custom_pp residual.

  • custom_ppPostprocessor for custom fixed point convergence check.

    C++ Type:PostprocessorName

    Unit:(no unit assumed)

    Controllable:No

    Description:Postprocessor for custom fixed point convergence check.

  • custom_rel_tol1e-08The relative nonlinear residual drop to shoot for during fixed point iterations. This check is performed based on the postprocessor defined by custom_pp residual.

    Default:1e-08

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The relative nonlinear residual drop to shoot for during fixed point iterations. This check is performed based on the postprocessor defined by custom_pp residual.

  • direct_pp_valueFalseTrue to use direct postprocessor value (scaled by value on first iteration). False (default) to use difference in postprocessor value between fixed point iterations.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:True to use direct postprocessor value (scaled by value on first iteration). False (default) to use difference in postprocessor value between fixed point iterations.

  • disable_fixed_point_residual_norm_checkFalseDisable the residual norm evaluation thus the three parameters fixed_point_rel_tol, fixed_point_abs_tol and fixed_point_force_norms.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Disable the residual norm evaluation thus the three parameters fixed_point_rel_tol, fixed_point_abs_tol and fixed_point_force_norms.

  • fixed_point_abs_tol1e-50The absolute nonlinear residual to shoot for during fixed point iterations. This check is performed based on the main app's nonlinear residual.

    Default:1e-50

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The absolute nonlinear residual to shoot for during fixed point iterations. This check is performed based on the main app's nonlinear residual.

  • fixed_point_algorithmpicardThe fixed point algorithm to converge the sequence of problems.

    Default:picard

    C++ Type:MooseEnum

    Unit:(no unit assumed)

    Options:picard, secant, steffensen

    Controllable:No

    Description:The fixed point algorithm to converge the sequence of problems.

  • fixed_point_force_normsFalseForce the evaluation of both the TIMESTEP_BEGIN and TIMESTEP_END norms regardless of the existence of active MultiApps with those execute_on flags, default: false.

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Force the evaluation of both the TIMESTEP_BEGIN and TIMESTEP_END norms regardless of the existence of active MultiApps with those execute_on flags, default: false.

  • fixed_point_max_its1Specifies the maximum number of fixed point iterations.

    Default:1

    C++ Type:unsigned int

    Unit:(no unit assumed)

    Controllable:No

    Description:Specifies the maximum number of fixed point iterations.

  • fixed_point_min_its1Specifies the minimum number of fixed point iterations.

    Default:1

    C++ Type:unsigned int

    Unit:(no unit assumed)

    Controllable:No

    Description:Specifies the minimum number of fixed point iterations.

  • fixed_point_rel_tol1e-08The relative nonlinear residual drop to shoot for during fixed point iterations. This check is performed based on the main app's nonlinear residual.

    Default:1e-08

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:The relative nonlinear residual drop to shoot for during fixed point iterations. This check is performed based on the main app's nonlinear residual.

  • relaxation_factor1Fraction of newly computed value to keep.Set between 0 and 2.

    Default:1

    C++ Type:double

    Unit:(no unit assumed)

    Controllable:No

    Description:Fraction of newly computed value to keep.Set between 0 and 2.

  • transformed_postprocessorsList of main app postprocessors to transform during fixed point iterations

    C++ Type:std::vector<PostprocessorName>

    Unit:(no unit assumed)

    Controllable:No

    Description:List of main app postprocessors to transform during fixed point iterations

  • transformed_variablesList of main app variables to transform during fixed point iterations

    C++ Type:std::vector<std::string>

    Unit:(no unit assumed)

    Controllable:No

    Description:List of main app variables to transform during fixed point iterations

Fixed Point Iterations Parameters

  • control_tagsAdds user-defined labels for accessing object parameters via control logic.

    C++ Type:std::vector<std::string>

    Unit:(no unit assumed)

    Controllable:No

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

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Set the enabled status of the MooseObject.

  • outputsVector of output names where you would like to restrict the output of variables(s) associated with this object

    C++ Type:std::vector<OutputName>

    Unit:(no unit assumed)

    Controllable:No

    Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object

Advanced Parameters

  • max_xfem_update4294967295Maximum number of times to update XFEM crack topology in a step due to evolving cracks

    Default:4294967295

    C++ Type:unsigned int

    Unit:(no unit assumed)

    Controllable:No

    Description:Maximum number of times to update XFEM crack topology in a step due to evolving cracks

  • update_xfem_at_timestep_beginFalseShould XFEM update the mesh at the beginning of the timestep

    Default:False

    C++ Type:bool

    Unit:(no unit assumed)

    Controllable:No

    Description:Should XFEM update the mesh at the beginning of the timestep

Xfem Fixed Point Iterations Parameters

    Restart Parameters