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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2024-2026 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/>.
Class
Foam::Function1s::Shift
Description
Function1 which shifts a given 'value' function along the x-axis
Usage
Example:
\verbatim
<name>
{
type shift;
start 10 [CAD];
value
{
type table;
file "constant/timeVsFlowRate.foam";
units ([ms] [m^3/s]);
}
}
\endverbatim
Where:
\vartable
Symbol | Description | Data type | Default
start | Start x coordinate | scalar |
value | Function to shift | Function1<Type> |
\endvartable
SourceFiles
Shift.C
\*---------------------------------------------------------------------------*/
#ifndef Shift_H
#define Shift_H
#include "Function1.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace Function1s
{
/*---------------------------------------------------------------------------*\
Class Shift Declaration
\*---------------------------------------------------------------------------*/
template<class Type>
class Shift
:
public FieldFunction1<Type, Shift<Type>>
{
// Private Data
//- Argument offset
const scalar start_;
//- Value function
const autoPtr<Function1<Type>> value_;
public:
// Runtime type information
TypeName("shift");
// Constructors
//- Construct from name and dictionary
Shift
(
const word& name,
const unitSets& units,
const dictionary& dict
);
//- Copy constructor
Shift(const Shift<Type>& se);
//- Destructor
virtual ~Shift();
// Member Functions
//- Return the value at a scalar coordinate
virtual inline Type value(const scalar x) const;
//- Return the derivative at a scalar coordinate
virtual inline Type derivative(const scalar x) const;
//- Return the integral between two scalar coordinates
virtual inline Type integral(const scalar x1, const scalar x2) const;
//- Write in dictionary format
virtual void write(Ostream& os, const unitSets& units) const;
// Member Operators
//- Disallow default bitwise assignment
void operator=(const Shift<Type>&) = delete;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Function1s
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "ShiftI.H"
#ifdef NoRepository
#include "Shift.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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