Provides a tool to set time step dt. More...

Public Member Functions
procedure, pass(this)	init (this, params)
	Initialize object.

procedure, pass(this)	set_dt (this, dt, cfl, cfl_avrg, tstep)
	Set time stepping.

Public Attributes
logical	if_variable_dt
	Components recording time stepping info.

real(kind=rp)	set_cfl

real(kind=rp)	max_dt

integer	max_update_frequency

integer	dt_last_change

real(kind=rp)	alpha

real(kind=rp)	max_dt_increase_factor

real(kind=rp)	min_dt_decrease_factor

Detailed Description

Definition at line 43 of file time_step_controller.f90.

Member Function/Subroutine Documentation

◆ init()

procedure, pass(this) time_step_controller::time_step_controller_t::init	(	class(time_step_controller_t), intent(inout)	this,
		type(json_file), intent(inout)	params
	)

Parameters

order order of the interpolation

Definition at line 54 of file time_step_controller.f90.

◆ set_dt()

procedure, pass(this) time_step_controller::time_step_controller_t::set_dt	(	class(time_step_controller_t), intent(inout)	this,
		real(kind=rp), intent(inout)	dt,
		real(kind=rp), intent(in)	cfl,
		real(kind=rp), intent(inout)	cfl_avrg,
		integer, intent(in)	tstep
	)

Parameters

dt	time step in case_t.
cfl	courant number of current iteration.
cfl_avrg	average Courant number.
tstep	the current time step. @Algorithm: Set the first time step such that cfl is the set one; During time-stepping, adjust dt when cfl_avrg is offset by 20%.

Definition at line 56 of file time_step_controller.f90.

Member Data Documentation

◆ alpha

real(kind=rp) time_step_controller::time_step_controller_t::alpha

Definition at line 50 of file time_step_controller.f90.

◆ dt_last_change

integer time_step_controller::time_step_controller_t::dt_last_change

Definition at line 49 of file time_step_controller.f90.

◆ if_variable_dt

logical time_step_controller::time_step_controller_t::if_variable_dt

Definition at line 45 of file time_step_controller.f90.

◆ max_dt

real(kind=rp) time_step_controller::time_step_controller_t::max_dt

Definition at line 47 of file time_step_controller.f90.

◆ max_dt_increase_factor

real(kind=rp) time_step_controller::time_step_controller_t::max_dt_increase_factor

Definition at line 51 of file time_step_controller.f90.

◆ max_update_frequency

integer time_step_controller::time_step_controller_t::max_update_frequency

Definition at line 48 of file time_step_controller.f90.

◆ min_dt_decrease_factor

real(kind=rp) time_step_controller::time_step_controller_t::min_dt_decrease_factor