Routines for CFL factor. More...

Public Member Functions
subroutine	compute_cfl (temps, I1, In, i_tube, pos_tube, ion, i_spc, dt, nboucle)
	Compute CFL factor for ionic species and deduce supplementary timesteps to make. More...

Detailed Description

Routines for CFL factor.

Member Function/Subroutine Documentation

subroutine module_cfl::compute_cfl	(	type(calendar), intent(in)	temps,
		integer, intent(in)	I1,
		integer, intent(in)	In,
		integer, intent(in)	i_tube,
		type(coordonnees), dimension(:,:), intent(in)	pos_tube,
		type(espece), dimension(:), intent(in)	ion,
		integer, dimension(:), intent(in)	i_spc,
		real*8, intent(in)	dt,
		integer, intent(out)	nboucle
	)

Compute CFL factor for ionic species and deduce supplementary timesteps to make.

Parameters

[out] nboucle Number of subdivision (default 1)

Compute CFL condition at this altitude for this specie CFL = k{U.dt}{dz} = k{C_i{U}.to{dt}}{Ro{dz}} = k{C_i{U}.{dt}}{C_{ref}{dz}}

Here: U = U_{ion} + {3}{2}max(Xp_{ion},Xt_{ion}){Tp_{ion}} U = U_{electron}

According to cfl value, compute nboucle nboucle = f(cfl) where: f: x -> 2^{floor({ln(x)}/{ln(2)} + 1)} f([2^i,2^{i+1}[) = 2^{i+1}

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The documentation for this module was generated from the following file: