rotorDiskSource: move templated functions into the template .C file
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Henry
Andrew Heather
parent
0412aaf40b
commit
1e0358c47b
@ -509,132 +509,6 @@ Foam::fv::rotorDiskSource::~rotorDiskSource()
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class RhoFieldType>
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void Foam::fv::rotorDiskSource::calculate
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(
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const RhoFieldType& rho,
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const vectorField& U,
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const scalarField& thetag,
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vectorField& force,
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const bool divideVolume,
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const bool output
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) const
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{
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const scalarField& V = mesh_.V();
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// logging info
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scalar dragEff = 0.0;
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scalar liftEff = 0.0;
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scalar AOAmin = GREAT;
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scalar AOAmax = -GREAT;
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forAll(cells_, i)
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{
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if (area_[i] > ROOTVSMALL)
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{
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const label cellI = cells_[i];
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const scalar radius = x_[i].x();
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// velocity in local cylindrical reference frame
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vector Uc = localAxesRotation_->transform(U[cellI], i);
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// transform from rotor cylindrical into local coning system
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Uc = R_[i] & Uc;
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// set radial component of velocity to zero
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Uc.x() = 0.0;
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// set blade normal component of velocity
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Uc.y() = radius*omega_ - Uc.y();
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// determine blade data for this radius
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// i2 = index of upper radius bound data point in blade list
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scalar twist = 0.0;
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scalar chord = 0.0;
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label i1 = -1;
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label i2 = -1;
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scalar invDr = 0.0;
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blade_.interpolate(radius, twist, chord, i1, i2, invDr);
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// flip geometric angle if blade is spinning in reverse (clockwise)
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scalar alphaGeom = thetag[i] + twist;
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if (omega_ < 0)
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{
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alphaGeom = mathematical::pi - alphaGeom;
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}
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// effective angle of attack
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scalar alphaEff = alphaGeom - atan2(-Uc.z(), Uc.y());
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if (alphaEff > mathematical::pi)
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{
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alphaEff -= mathematical::twoPi;
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}
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if (alphaEff < -mathematical::pi)
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{
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alphaEff += mathematical::twoPi;
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}
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AOAmin = min(AOAmin, alphaEff);
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AOAmax = max(AOAmax, alphaEff);
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// determine profile data for this radius and angle of attack
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const label profile1 = blade_.profileID()[i1];
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const label profile2 = blade_.profileID()[i2];
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scalar Cd1 = 0.0;
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scalar Cl1 = 0.0;
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profiles_[profile1].Cdl(alphaEff, Cd1, Cl1);
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scalar Cd2 = 0.0;
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scalar Cl2 = 0.0;
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profiles_[profile2].Cdl(alphaEff, Cd2, Cl2);
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scalar Cd = invDr*(Cd2 - Cd1) + Cd1;
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scalar Cl = invDr*(Cl2 - Cl1) + Cl1;
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// apply tip effect for blade lift
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scalar tipFactor = neg(radius/rMax_ - tipEffect_);
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// calculate forces perpendicular to blade
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scalar pDyn = 0.5*rho[cellI]*magSqr(Uc);
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scalar f = pDyn*chord*nBlades_*area_[i]/radius/mathematical::twoPi;
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vector localForce = vector(0.0, -f*Cd, tipFactor*f*Cl);
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// accumulate forces
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dragEff += rhoRef_*localForce.y();
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liftEff += rhoRef_*localForce.z();
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// convert force from local coning system into rotor cylindrical
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localForce = invR_[i] & localForce;
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// convert force to global cartesian co-ordinate system
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force[cellI] = localAxesRotation_->invTransform(localForce, i);
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if (divideVolume)
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{
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force[cellI] /= V[cellI];
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}
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}
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}
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if (output)
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{
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reduce(AOAmin, minOp<scalar>());
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reduce(AOAmax, maxOp<scalar>());
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reduce(dragEff, sumOp<scalar>());
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reduce(liftEff, sumOp<scalar>());
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Info<< type() << " output:" << nl
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<< " min/max(AOA) = " << radToDeg(AOAmin) << ", "
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<< radToDeg(AOAmax) << nl
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<< " Effective drag = " << dragEff << nl
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<< " Effective lift = " << liftEff << endl;
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}
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}
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void Foam::fv::rotorDiskSource::addSup
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(
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fvMatrix<vector>& eqn,
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@ -2,7 +2,7 @@
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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 | Copyright (C) 2011-2013 OpenFOAM Foundation
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\\ / A nd | Copyright (C) 2011-2014 OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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@ -26,8 +26,136 @@ License
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#include "rotorDiskSource.H"
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#include "volFields.H"
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using namespace Foam::constant;
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// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
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template<class RhoFieldType>
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void Foam::fv::rotorDiskSource::calculate
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(
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const RhoFieldType& rho,
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const vectorField& U,
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const scalarField& thetag,
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vectorField& force,
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const bool divideVolume,
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const bool output
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) const
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{
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const scalarField& V = mesh_.V();
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// logging info
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scalar dragEff = 0.0;
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scalar liftEff = 0.0;
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scalar AOAmin = GREAT;
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scalar AOAmax = -GREAT;
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forAll(cells_, i)
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{
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if (area_[i] > ROOTVSMALL)
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{
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const label cellI = cells_[i];
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const scalar radius = x_[i].x();
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// velocity in local cylindrical reference frame
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vector Uc = localAxesRotation_->transform(U[cellI], i);
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// transform from rotor cylindrical into local coning system
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Uc = R_[i] & Uc;
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// set radial component of velocity to zero
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Uc.x() = 0.0;
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// set blade normal component of velocity
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Uc.y() = radius*omega_ - Uc.y();
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// determine blade data for this radius
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// i2 = index of upper radius bound data point in blade list
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scalar twist = 0.0;
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scalar chord = 0.0;
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label i1 = -1;
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label i2 = -1;
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scalar invDr = 0.0;
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blade_.interpolate(radius, twist, chord, i1, i2, invDr);
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// flip geometric angle if blade is spinning in reverse (clockwise)
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scalar alphaGeom = thetag[i] + twist;
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if (omega_ < 0)
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{
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alphaGeom = mathematical::pi - alphaGeom;
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}
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// effective angle of attack
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scalar alphaEff = alphaGeom - atan2(-Uc.z(), Uc.y());
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if (alphaEff > mathematical::pi)
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{
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alphaEff -= mathematical::twoPi;
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}
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if (alphaEff < -mathematical::pi)
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{
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alphaEff += mathematical::twoPi;
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}
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AOAmin = min(AOAmin, alphaEff);
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AOAmax = max(AOAmax, alphaEff);
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// determine profile data for this radius and angle of attack
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const label profile1 = blade_.profileID()[i1];
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const label profile2 = blade_.profileID()[i2];
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scalar Cd1 = 0.0;
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scalar Cl1 = 0.0;
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profiles_[profile1].Cdl(alphaEff, Cd1, Cl1);
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scalar Cd2 = 0.0;
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scalar Cl2 = 0.0;
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profiles_[profile2].Cdl(alphaEff, Cd2, Cl2);
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scalar Cd = invDr*(Cd2 - Cd1) + Cd1;
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scalar Cl = invDr*(Cl2 - Cl1) + Cl1;
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// apply tip effect for blade lift
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scalar tipFactor = neg(radius/rMax_ - tipEffect_);
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// calculate forces perpendicular to blade
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scalar pDyn = 0.5*rho[cellI]*magSqr(Uc);
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scalar f = pDyn*chord*nBlades_*area_[i]/radius/mathematical::twoPi;
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vector localForce = vector(0.0, -f*Cd, tipFactor*f*Cl);
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// accumulate forces
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dragEff += rhoRef_*localForce.y();
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liftEff += rhoRef_*localForce.z();
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// convert force from local coning system into rotor cylindrical
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localForce = invR_[i] & localForce;
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// convert force to global cartesian co-ordinate system
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force[cellI] = localAxesRotation_->invTransform(localForce, i);
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if (divideVolume)
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{
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force[cellI] /= V[cellI];
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}
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}
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}
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if (output)
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{
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reduce(AOAmin, minOp<scalar>());
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reduce(AOAmax, maxOp<scalar>());
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reduce(dragEff, sumOp<scalar>());
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reduce(liftEff, sumOp<scalar>());
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Info<< type() << " output:" << nl
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<< " min/max(AOA) = " << radToDeg(AOAmin) << ", "
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<< radToDeg(AOAmax) << nl
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<< " Effective drag = " << dragEff << nl
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<< " Effective lift = " << liftEff << endl;
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}
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}
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template<class Type>
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void Foam::fv::rotorDiskSource::writeField
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(
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