mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | www.openfoam.com
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
Copyright (C) 2023 OpenCFD Ltd.
|
|
-------------------------------------------------------------------------------
|
|
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/>.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "volFields.H"
|
|
#include "surfaceFields.H"
|
|
#include "zeroGradientFvPatchFields.H"
|
|
|
|
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
|
|
|
|
template<class GeoType>
|
|
bool Foam::ROMmodels::DMD::createAndWriteImpl() const
|
|
{
|
|
typedef typename GeoType::value_type Type;
|
|
|
|
const wordList modeReNames(modeNames(word("Re")));
|
|
const wordList modeImNames(modeNames(word("Im")));
|
|
|
|
for (const label i : modes_)
|
|
{
|
|
const auto* modeRePtr = mesh_.cfindObject<GeoType>(modeReNames[i]);
|
|
|
|
if (!modeRePtr) return false;
|
|
|
|
const auto* modeImPtr = mesh_.cfindObject<GeoType>(modeImNames[i]);
|
|
|
|
if (!modeImPtr) return false;
|
|
}
|
|
|
|
|
|
forAll(times_, timei)
|
|
{
|
|
runTime_.setTime(times_[timei], timei);
|
|
|
|
Info<< "\nTime = " << runTime_.timeName() << endl;
|
|
|
|
// Calculate the eigenvalue exponent corresponding to specified time
|
|
const scalar k = (times_[timei].value() - startTime_)/deltaT_;
|
|
|
|
GeoType reconstructedFld
|
|
(
|
|
IOobject
|
|
(
|
|
IOobject::scopedName(fieldName_, "reconstructed"),
|
|
runTime_.timeName(),
|
|
mesh_,
|
|
IOobject::NO_READ,
|
|
IOobject::NO_WRITE,
|
|
IOobject::NO_REGISTER
|
|
),
|
|
mesh_,
|
|
dimensioned<Type>(dimless, Zero),
|
|
fvPatchFieldBase::zeroGradientType()
|
|
);
|
|
|
|
forAll(modes_, i)
|
|
{
|
|
const label j = modes_[i];
|
|
const auto& modeRe = mesh_.lookupObject<GeoType>(modeReNames[j]);
|
|
const auto& modeIm = mesh_.lookupObject<GeoType>(modeImNames[j]);
|
|
|
|
const complex evalk(pow(evals_[i], k));
|
|
|
|
// (K:Eq. 84)
|
|
reconstructedFld +=
|
|
(
|
|
(modeRe*amps_[i].Re() - modeIm*amps_[i].Im())*evalk.Re()
|
|
- (modeRe*amps_[i].Im() + modeIm*amps_[i].Re())*evalk.Im()
|
|
);
|
|
}
|
|
|
|
reconstructedFld.correctBoundaryConditions();
|
|
|
|
reconstructedFld.dimensions().reset(dims_);
|
|
|
|
reconstructedFld.write();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|