InitTimeStep.cpp File Reference

Compute the timestep of the very first iteration. More...

#include "Carmen.h"

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Functions
void	InitTimeStep ()
	Inits time step and all the parameters which depend on it. More...

Detailed Description

Compute the timestep of the very first iteration.

Function Documentation

void InitTimeStep

(

)

Inits time step and all the parameters which depend on it.

Returns

void

{

    // --- Init TimeStep --------------------------------------------------------------

    if (TimeStep == 0)
    {
        if(Resistivity)TimeStep = CFL*SpaceStep/(Eigenvalue + eta);
        else TimeStep = CFL*SpaceStep/Eigenvalue;
    }

    // --- Compute number of iterations -----------------------------------------------

    if (PhysicalTime != 0. && IterationNb == 0)
        IterationNb =  (int)(ceil(PhysicalTime/TimeStep));

    // --- Compute Refresh ------------------------------------------------------------

    if (Refresh == 0)
        Refresh = (int)(ceil(IterationNb/(RefreshNb*1.)));

    // --- Compute PrintEvery ---------------------------------------------------------

    if ((PrintEvery == 0)&&(ImageNb != 0))
        PrintEvery = (int)(ceil(IterationNb/(ImageNb*1.)));

    // --- Compute iterations for print  ----------------------------------------------

    if (PrintTime1 != 0.)
        PrintIt1 = (int)(ceil(PrintTime1/TimeStep));

    if (PrintTime2 != 0.)
        PrintIt2 = (int)(ceil(PrintTime2/TimeStep));

    if (PrintTime3 != 0.)
        PrintIt3 = (int)(ceil(PrintTime3/TimeStep));

    if (PrintTime4 != 0.)
        PrintIt4 = (int)(ceil(PrintTime4/TimeStep));

    if (PrintTime5 != 0.)
        PrintIt5 = (int)(ceil(PrintTime5/TimeStep));

    if (PrintTime6 != 0.)
        PrintIt6 = (int)(ceil(PrintTime6/TimeStep));

    // --- Compute FV reference time -----------------------------------------------------------

    if (Multiresolution)
        FVTimeRef = CPUTimeRef(IterationNbRef,ScaleNbRef);

}

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