- dtInitial time step size
C++ Type:double
Description:Initial time step size
- e_maxMaximum acceptable error.
C++ Type:double
Description:Maximum acceptable error.
- e_tolTarget error tolerance.
C++ Type:double
Description:Target error tolerance.
AB2PredictorCorrector

The AB2PredictorCorrector has not been documented. The content listed below should be used as a starting point for documenting the class, which includes the typical automatic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.
# AB2PredictorCorrector
!syntax description /Executioner/TimeStepper/AB2PredictorCorrector
## Overview
!! Replace these lines with information regarding the AB2PredictorCorrector object.
## Example Input File Syntax
!! Describe and include an example of how to use the AB2PredictorCorrector object.
!syntax parameters /Executioner/TimeStepper/AB2PredictorCorrector
!syntax inputs /Executioner/TimeStepper/AB2PredictorCorrector
!syntax children /Executioner/TimeStepper/AB2PredictorCorrector
!syntax description /Executioner/TimeStepper/AB2PredictorCorrector
Input Parameters
- cutback_factor_at_failure0.5Factor to apply to timestep if it a time step fails to convergence.
Default:0.5
C++ Type:double
Description:Factor to apply to timestep if it a time step fails to convergence.
- max_increase1e+09Maximum ratio that the time step can increase.
Default:1e+09
C++ Type:double
Description:Maximum ratio that the time step can increase.
- reset_dtFalseUse when restarting a calculation to force a change in dt.
Default:False
C++ Type:bool
Description:Use when restarting a calculation to force a change in dt.
- scaling_parameter0.8scaling parameter for dt selection
Default:0.8
C++ Type:double
Description:scaling parameter for dt selection
- start_adapting2when to start taking adaptive time steps
Default:2
C++ Type:int
Description:when to start taking adaptive time steps
- steps_between_increase1the number of time steps before recalculating dt
Default:1
C++ Type:int
Description:the number of time steps before recalculating dt
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.