/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Global
    readTimeControls

Description
    Read the control parameters used by setDeltaT

\*---------------------------------------------------------------------------*/

const bool adjustTimeStep =
    runTime.controlDict().lookupOrDefault("adjustTimeStep", false);

scalar maxCo =
    runTime.controlDict().lookupOrDefault<scalar>("maxCo", 1.0);

scalar maxDeltaT =
    runTime.controlDict().lookupOrDefault<scalar>("maxDeltaT", GREAT);




const dictionary pulseTimeStepDict = runTime.controlDict().subOrEmptyDict("pulseTimeStep");

const bool pulseTimeStep = !pulseTimeStepDict.empty();

const scalar pulseFrequency = // default 20 kHz
    pulseTimeStepDict.lookupOrDefault<scalar>("pulseFrequency", 20e3);

const scalar pulseDuration =  // default 12 ns
    pulseTimeStepDict.lookupOrDefault<scalar>("pulseDuration", 12e-9);

const label nStepPulse =  // default 1
    ceil(pulseTimeStepDict.lookupOrDefault<scalar>("nStepPulse", 1));

const label nStepIdle =  // default 1
    ceil(pulseTimeStepDict.lookupOrDefault<scalar>("nStepIdle", 1));

const scalar pulsePeriod = 1 / pulseFrequency;
const scalar pulseTime = 2*pulseDuration;
const scalar idleTime = pulsePeriod - pulseTime;

const scalar deltaTpulse = pulseTime / nStepPulse;
const scalar deltaTidle = idleTime / nStepIdle;

{
}

// ************************************************************************* //