ENH: Coulomb: new particle electric force model calculating Coulomb forces
This commit is contained in:
Kutalmis Bercin
Kutalmış Berçin
parent
c7e5e7f4a2
commit
8dee603193
@ -6,6 +6,7 @@
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2023 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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@ -46,6 +47,7 @@ License
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#include "SRFForce.H"
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#include "VirtualMassForce.H"
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#include "InterfaceForce.H"
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#include "CoulombForce.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -65,7 +67,8 @@ License
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makeParticleForceModelType(PressureGradientForce, CloudType); \
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makeParticleForceModelType(SRFForce, CloudType); \
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makeParticleForceModelType(VirtualMassForce, CloudType); \
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makeParticleForceModelType(InterfaceForce, CloudType);
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makeParticleForceModelType(InterfaceForce, CloudType); \
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makeParticleForceModelType(CoulombForce, CloudType);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -6,6 +6,7 @@
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2011-2016 OpenFOAM Foundation
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Copyright (C) 2023 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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@ -42,6 +43,7 @@ License
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#include "PressureGradientForce.H"
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#include "SRFForce.H"
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#include "VirtualMassForce.H"
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#include "CoulombForce.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -57,7 +59,8 @@ License
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makeParticleForceModelType(ParamagneticForce, CloudType); \
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makeParticleForceModelType(PressureGradientForce, CloudType); \
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makeParticleForceModelType(SRFForce, CloudType); \
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makeParticleForceModelType(VirtualMassForce, CloudType);
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makeParticleForceModelType(VirtualMassForce, CloudType); \
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makeParticleForceModelType(CoulombForce, CloudType);
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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@ -0,0 +1,144 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2023 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "CoulombForce.H"
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#include "demandDrivenData.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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template<class CloudType>
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Foam::volVectorField& Foam::CoulombForce<CloudType>::getOrReadField
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(
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const word& fieldName
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) const
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{
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auto* ptr = this->mesh().template getObjectPtr<volVectorField>(fieldName);
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if (!ptr)
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{
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ptr = new volVectorField
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(
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IOobject
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(
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fieldName,
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this->mesh().time().timeName(),
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this->mesh(),
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IOobject::MUST_READ,
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IOobject::AUTO_WRITE
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),
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this->mesh()
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);
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this->mesh().objectRegistry::store(ptr);
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}
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return *ptr;
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}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class CloudType>
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Foam::CoulombForce<CloudType>::CoulombForce
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(
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CloudType& owner,
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const fvMesh& mesh,
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const dictionary& dict
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)
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:
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ParticleForce<CloudType>(owner, mesh, dict, typeName, true),
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qPtr_
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(
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Function1<scalar>::New("q", this->coeffs(), &mesh)
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),
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Ename_(this->coeffs().template getOrDefault<word>("E", "E")),
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EInterpPtr_(nullptr)
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{}
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template<class CloudType>
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Foam::CoulombForce<CloudType>::CoulombForce
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(
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const CoulombForce& pf
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)
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:
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ParticleForce<CloudType>(pf),
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qPtr_(pf.qPtr_.clone()),
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Ename_(pf.Ename_),
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EInterpPtr_(nullptr)
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class CloudType>
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void Foam::CoulombForce<CloudType>::cacheFields(const bool store)
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{
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if (store)
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{
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const volVectorField& E = getOrReadField(Ename_);
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EInterpPtr_.reset
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(
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interpolation<vector>::New
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(
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this->owner().solution().interpolationSchemes(),
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E
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).ptr()
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);
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}
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else
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{
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EInterpPtr_.reset(nullptr);
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}
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}
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template<class CloudType>
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Foam::forceSuSp Foam::CoulombForce<CloudType>::calcNonCoupled
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(
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const typename CloudType::parcelType& p,
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const typename CloudType::parcelType::trackingData& td,
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const scalar dt,
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const scalar mass,
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const scalar Re,
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const scalar muc
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) const
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{
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const interpolation<vector>& EInterp = *EInterpPtr_;
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const scalar q = qPtr_->value(p.d());
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// (YSSD:Eq. 6 - left term)
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return forceSuSp
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(
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q*EInterp.interpolate(p.coordinates(), p.currentTetIndices()),
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Zero
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);
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}
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// ************************************************************************* //
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@ -0,0 +1,224 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2023 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::CoulombForce
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Group
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grpLagrangianIntermediateForceSubModels
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Description
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Particle electric force model involving the Coulomb force calculation.
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\f[
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\vec{F}_\mathrm{E} = q \, \vec{E}
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\f]
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where
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\vartable
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\vec{F}_\mathrm{E} | Coulomb force [kg m s^{-2}]
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q | Electric charge of particle [A s]
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\vec{E} | Electric field [kg m^2 A^{-1} s^{-3} m^{-1}]
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\endvartable
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References:
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\verbatim
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Governing equations (tag:YSSD):
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Ye, Q., Steigleder, T., Scheibe, A., & Domnick, J. (2002).
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Numerical simulation of the electrostatic powder coating process
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with a corona spray gun. Journal of Electrostatics, 54(2), 189-205.
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DOI:10.1016/S0304-3886(01)00181-4
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\endverbatim
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Usage
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Minimal example by using \c constant/cloudProperties:
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\verbatim
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subModels
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{
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solution
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{
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interpolationSchemes
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{
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<Ename> <interpolationScheme>;
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}
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}
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particleForces
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{
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Coulomb
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{
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q <Function1<scalar>>;
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E <word>;
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}
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}
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}
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\endverbatim
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where the entries mean:
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\table
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Property | Description | Type | Reqd | Deflt
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type | Type name: Coulomb | word | yes | -
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q | Electric charge of particles | \<Function1\<scalar\> | yes | -
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E | Name of electric field | word | no | E
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\endtable
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Note
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- Particle electric charge can be input as a function of particle diameter:
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\verbatim
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particleForces
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{
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Coulomb
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{
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q table
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(
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// d [m] q [C = A s]
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(1e-06 -5.0e-11)
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(1e-05 -1.0e-10)
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);
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E electricPotential:E;
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}
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}
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\endverbatim
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SourceFiles
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CoulombForce.C
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\*---------------------------------------------------------------------------*/
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#ifndef Foam_CoulombForce_H
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#define Foam_CoulombForce_H
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#include "ParticleForce.H"
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#include "Function1.H"
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#include "interpolation.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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// Forward Declarations
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class fvMesh;
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/*---------------------------------------------------------------------------*\
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Class CoulombForce Declaration
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\*---------------------------------------------------------------------------*/
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template<class CloudType>
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class CoulombForce
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:
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public ParticleForce<CloudType>
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{
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// Private Data
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//- Particle electric charge
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autoPtr<Function1<scalar>> qPtr_;
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//- Name of electric field
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const word Ename_;
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//- Electric-field interpolator
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mutable std::unique_ptr<interpolation<vector>> EInterpPtr_;
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// Private Member Functions
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//- Return requested volVectorField from the object registry
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//- or read+register the field to the object registry
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volVectorField& getOrReadField(const word& fieldName) const;
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public:
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//- Runtime type information
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TypeName("Coulomb");
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// Constructors
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//- Construct from mesh
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CoulombForce
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(
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CloudType& owner,
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const fvMesh& mesh,
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const dictionary& dict
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);
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//- Copy construct
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CoulombForce(const CoulombForce& gf);
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//- No copy assignment
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void operator=(const CoulombForce<CloudType>&) = delete;
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//- Construct and return a clone
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virtual autoPtr<ParticleForce<CloudType>> clone() const
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{
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return autoPtr<ParticleForce<CloudType>>
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(
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new CoulombForce<CloudType>(*this)
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);
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}
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//- Destructor
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virtual ~CoulombForce() = default;
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// Member Functions
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// Evaluation
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//- Cache fields
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virtual void cacheFields(const bool store);
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//- Calculate the non-coupled force
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virtual forceSuSp calcNonCoupled
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(
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const typename CloudType::parcelType& p,
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const typename CloudType::parcelType::trackingData& td,
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const scalar dt,
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const scalar mass,
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const scalar Re,
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const scalar muc
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) const;
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#ifdef NoRepository
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#include "CoulombForce.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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