Files
openfoam/applications/utilities/preProcessing/setAlphaField/alphaFieldFunctions/implicitFunctions/ellipsoid/ellipsoidImplicitFunction.H
Henning Scheufler 44a84d4778 CONT: Addition of compressibleIsoInterFOam and PLIC
1) Implementation of the compressibleIsoInterFOam solver
   2) Implementation of a new PLIC interpolation scheme.
   3) New tutorials associated with the solvers

This implementation was carried out by Henning Scheufler (DLR) and Johan
Roenby (DHI), following :

\verbatim

Henning Scheufler, Johan Roenby,
Accurate and efficient surface reconstruction from volume fraction data
on general meshes, Journal of Computational Physics, 2019, doi
10.1016/j.jcp.2019.01.009

\endverbatim

The integration of the code was carried out by Andy Heather and Sergio
Ferraris from OpenCFD Ltd.
2020-06-09 08:11:04 +01:00

132 lines
3.6 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | www.openfoam.com
\\/ M anipulation |
-------------------------------------------------------------------------------
Copyright (C) 2019 OpenCFD Ltd.
Copyright (C) 2019-2020 DLR
-------------------------------------------------------------------------------
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::implicitFunctions::ellipsoidImplicitFunction
Description
creates an ellipsoidImplicitFunction
Original code supplied by Henning Scheufler, DLR (2019)
SourceFiles
ellipsoidImplicitFunction.C
\*---------------------------------------------------------------------------*/
#ifndef implicitFunction_ellipsoidImplicitFunction_H
#define implicitFunction_ellipsoidImplicitFunction_H
#include "implicitFunction.H"
#include "mathematicalConstants.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace implicitFunctions
{
/*---------------------------------------------------------------------------*\
Class ellipsoidImplicitFunction Declaration
\*---------------------------------------------------------------------------*/
class ellipsoidImplicitFunction
:
public implicitFunction
{
// Private Member Data
//- Axis
const vector semiAxis_;
//- Origin point
const vector origin_;
public:
//- Runtime type information
TypeName("ellipsoidImplicitFunction");
// Constructors
//- Construct from components
explicit ellipsoidImplicitFunction(const vector& semiAxis);
//- Construct from dictionary
explicit ellipsoidImplicitFunction(const dictionary& dict);
//- Destructor
virtual ~ellipsoidImplicitFunction() = default;
// Member Functions
virtual scalar value(const vector& p) const
{
return
-sqrt
(
sqr((p.x() - origin_.x())/semiAxis_.x())
+ sqr((p.y() - origin_.y())/semiAxis_.y())
+ sqr((p.z() - origin_.z())/semiAxis_.z())
) + 1;
}
virtual vector grad(const vector& p) const
{
// normal_ has the length of one
return vector
(
2*(p.x() - origin_.x())/sqr(semiAxis_.x()),
2*(p.y() - origin_.y())/sqr(semiAxis_.y()),
2*(p.z() - origin_.z())/sqr(semiAxis_.z())
);
}
virtual scalar distanceToSurfaces(const vector& p) const
{
NotImplemented;
return GREAT;
}
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace implicitFunctions
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //