The following module features a variety of time-stepping schemes. Currently, it includes the following Runge-Kutta (RK) algorithms: 1) 1st Order TVD RK 2) 2nd Order TVD RK 3) 3rd Order TVD RK where TVD designates a total-variation-diminishing time-stepper. More...

Functions/Subroutines
impure subroutine	s_initialize_time_steppers_module
	The computation of parameters, the allocation of memory, the association of pointers and/or the execution of any other procedures that are necessary to setup the module.

impure subroutine	s_tvd_rk (t_step, time_avg, nstage)

impure subroutine	s_adaptive_dt_bubble (stage)
	Bubble source part in Strang operator splitting scheme.

impure subroutine	s_compute_dt ()

subroutine	s_apply_bodyforces (q_cons_vf, q_prim_vf_in, rhs_vf_in, ldt)
	This subroutine applies the body forces source term at each Runge-Kutta stage.

subroutine	s_time_step_cycling (t_step)
	This subroutine saves the temporary q_prim_vf vector into the q_prim_ts vector that is then used in p_main.

impure subroutine	s_finalize_time_steppers_module
	Module deallocation and/or disassociation procedures.

Variables
type(vector_field), dimension(:), allocatable	q_cons_ts
	Cell-average conservative variables at each time-stage (TS)

type(scalar_field), dimension(:), allocatable	q_prim_vf
	Cell-average primitive variables at the current time-stage.

type(scalar_field), dimension(:), allocatable	rhs_vf
	Cell-average RHS variables at the current time-stage.

type(integer_field), dimension(:, :), allocatable	bc_type
	Boundary condition identifiers.

type(vector_field), dimension(:), allocatable	q_prim_ts1

type(vector_field), dimension(:), allocatable	q_prim_ts2
	Cell-average primitive variables at consecutive TIMESTEPS.

real(wp), dimension(:, :, :, :, :), allocatable	rhs_pb

type(scalar_field)	q_t_sf
	Cell-average temperature variables at the current time-stage.

real(wp), dimension(:, :, :, :, :), allocatable	rhs_mv

real(wp), dimension(:, :, :), allocatable	max_dt

integer, private	num_ts
	Number of time stages in the time-stepping scheme.

integer	stor
	storage index

real(wp), dimension(:, :), allocatable	rk_coef

integer, private	num_probe_ts

real(stp), dimension(:, :, :, :), allocatable	pinned

real(stp), dimension(:, :, :, :), allocatable	target

real(stp), dimension(:, :, :, :), allocatable, pointer, contiguous	q_cons_ts_pool_host

real(stp), dimension(:, :, :, :), pointer, contiguous	q_cons_ts_pool_device

integer(kind=8), dimension(4)	pool_dims

integer(kind=8), dimension(4)	pool_starts

integer(kind=8)	pool_size

type(c_ptr)	cptr_host

type(c_ptr)	cptr_device

Detailed Description

The following module features a variety of time-stepping schemes. Currently, it includes the following Runge-Kutta (RK) algorithms: 1) 1st Order TVD RK 2) 2nd Order TVD RK 3) 3rd Order TVD RK where TVD designates a total-variation-diminishing time-stepper.

Function/Subroutine Documentation

◆ s_adaptive_dt_bubble()

impure subroutine m_time_steppers::s_adaptive_dt_bubble ( integer, intent(in) stage )

Bubble source part in Strang operator splitting scheme.

Parameters

t_step Current time-step