halfCosineRamp.H

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    Copyright (C) 2017 OpenFOAM Foundation
    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
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Class
    Foam::Function1Types::halfCosineRamp
 
Description
    Half-cosine 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
    halfCosineRamp.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef halfCosineRamp_H
#define halfCosineRamp_H
 
#include "ramp.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace Function1Types
{
 
/*---------------------------------------------------------------------------*\
                       Class halfCosineRamp Declaration
\*---------------------------------------------------------------------------*/
 
class halfCosineRamp
:
    public ramp
{
public:
 
    //- Runtime type information
    TypeName("halfCosineRamp");
 
 
    // Constructors
 
        //- Construct from entry name and dictionary
        halfCosineRamp(const word& entryName, const dictionary& dict);
 
 
    //- Destructor
    virtual ~halfCosineRamp() = default;
 
 
    // Member Functions
 
        //- Return value for time t
        virtual inline scalar value(const scalar t) const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Function1Types
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#include "halfCosineRampI.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //