This is the documentation of the most upstream development version of GRACE. If you're looking for the last stable release please select a different version of this documentation.

evolution

This page contains a full reference of all parameters available for the evolution module. At the bottom of the page you can find an example parameter block that can be used in your parameter file.

evolution

Evolution

Name:	time_stepper
Type:	keyword
Default:	euler
Range:	euler, rk2, rk3, rk4, imex222
Description:	What timestepper is used for MoL evolution

Name:	cfl_factor
Type:	double
Default:	0.2
Range:	(0,*)
Description:	CFL factor

Name:	timestep_selection_mode
Type:	keyword
Default:	automatic
Range:	automatic, manual
Description:	How to select the timestep, manual means user provided

Name:	timestep
Type:	double
Default:	0.1
Range:	(0,*)
Description:	If timestep selection is manual, provide timestep

Name:	termination_condition
Type:	keyword
Default:	time
Range:	time, iteration, walltime
Description:	How to decide when to terminate the execution

Name:	final_time
Type:	double
Default:	2.0
Range:	(0,*)
Description:	If termination condition is time, simulation time (in code units) when the simulation ends

Name:	final_iteration
Type:	unsigned int
Default:	100
Range:	(0,*)
Description:	If termination condition is iteration, iteration when the simulation ends

Name:	final_walltime
Type:	double
Default:	24
Range:	(0,*)
Description:	If termination condition is walltime, walltime (in hours) when the simulation ends