quarterSineRamp.H

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    Copyright (C) 2017 OpenFOAM Foundation
    Copyright (C) 2021 OpenCFD Ltd.
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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/>.
 
Class
    Foam::Function1Types::quarterSineRamp
 
Description
    Quarter-sine ramp function starting from 0 and increasing to 1 from \c start
    over the \c duration and remaining at 1 thereafter.
 
See also
    Foam::Function1Types::ramp
 
SourceFiles
    quarterSineRamp.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Function1Types_quarterSineRamp_H
#define Function1Types_quarterSineRamp_H
 
#include "ramp.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace Function1Types
{
 
/*---------------------------------------------------------------------------*\
                       Class quarterSineRamp Declaration
\*---------------------------------------------------------------------------*/
 
class quarterSineRamp
:
    public ramp
{
public:
 
    //- Runtime type information
    TypeName("quarterSineRamp");
 
 
    // Constructors
 
        //- Construct from entry name, dictionary and optional registry
        quarterSineRamp
        (
            const word& entryName,
            const dictionary& dict,
            const objectRegistry* obrPtr = nullptr
        );
 
 
    //- Destructor
    virtual ~quarterSineRamp() = default;
 
 
    // Member Functions
 
        //- Return value for time t
        virtual inline scalar value(const scalar t) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Function1Types
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "quarterSineRampI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //