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ENH: forces|Coeffs FO - updated coordinate system

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This commit is contained in:
Andrew Heather
2021-12-03 11:44:09 +00:00
parent 8fc4501c46
commit 53e9c8eb5a
3 changed files with 44 additions and 41 deletions
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21
src/functionObjects/forces/forceCoeffs/forceCoeffs.C
View File

@ -89,17 +89,18 @@ void Foam::functionObjects::forceCoeffs::writeIntegratedHeader
Ostream& os
) const
{
const auto& coordSys = coordSysPtr_();
writeHeader(os, "Force coefficients");
writeHeaderValue(os, "dragDir", coordSys_.e1());
writeHeaderValue(os, "sideDir", coordSys_.e2());
writeHeaderValue(os, "liftDir", coordSys_.e3());
writeHeaderValue(os, "rollAxis", coordSys_.e1());
writeHeaderValue(os, "pitchAxis", coordSys_.e2());
writeHeaderValue(os, "yawAxis", coordSys_.e3());
writeHeaderValue(os, "dragDir", coordSys.e1());
writeHeaderValue(os, "sideDir", coordSys.e2());
writeHeaderValue(os, "liftDir", coordSys.e3());
writeHeaderValue(os, "rollAxis", coordSys.e1());
writeHeaderValue(os, "pitchAxis", coordSys.e2());
writeHeaderValue(os, "yawAxis", coordSys.e3());
writeHeaderValue(os, "magUInf", magUInf_);
writeHeaderValue(os, "lRef", lRef_);
writeHeaderValue(os, "Aref", Aref_);
writeHeaderValue(os, "CofR", coordSys_.origin());
writeHeaderValue(os, "CofR", coordSys.origin());
writeHeader(os, "");
writeCommented(os, "Time");
writeTabbed(os, "Cd");
@ -362,10 +363,12 @@ bool Foam::functionObjects::forceCoeffs::execute()
const scalar momentScaling = 1.0/(Aref_*pDyn*lRef_ + SMALL);
const scalar forceScaling = 1.0/(Aref_*pDyn + SMALL);
const auto& coordSys = coordSysPtr_();
forAll(liftCoeffs, i)
{
const Field<vector> localForce(coordSys_.localVector(force_[i]));
const Field<vector> localMoment(coordSys_.localVector(moment_[i]));
const Field<vector> localForce(coordSys.localVector(force_[i]));
const Field<vector> localMoment(coordSys.localVector(moment_[i]));
dragCoeffs[i] = forceScaling*(localForce.component(0));
sideCoeffs[i] = forceScaling*(localForce.component(1));

60
src/functionObjects/forces/forces/forces.C
View File

@ -77,7 +77,7 @@ void Foam::functionObjects::forces::writeIntegratedHeader
) const
{
writeHeader(os, header);
writeHeaderValue(os, "CofR", coordSys_.origin());
writeHeaderValue(os, "CofR", coordSysPtr_->origin());
writeHeader(os, "");
writeCommented(os, "Time");
writeTabbed(os, "(total_x total_y total_z)");
@ -156,17 +156,17 @@ void Foam::functionObjects::forces::setCoordinateSystem
const word& e1Name
)
{
coordSys_.clear();
coordSysPtr_.clear();
if (dict.readIfPresent<point>("CofR", coordSys_.origin()))
point origin(Zero);
if (dict.readIfPresent<point>("CofR", origin))
{
const vector e3 = e3Name == word::null ?
vector(0, 0, 1) : dict.get<vector>(e3Name);
const vector e1 = e1Name == word::null ?
vector(1, 0, 0) : dict.get<vector>(e1Name);
coordSys_ =
coordSystem::cartesian(coordSys_.origin(), e3, e1);
coordSysPtr_.reset(new coordSystem::cartesian(origin, e3, e1));
}
else
{
@ -176,7 +176,7 @@ void Foam::functionObjects::forces::setCoordinateSystem
if (dict.found(coordinateSystem::typeName_()))
{
// New() for access to indirect (global) coordinate system
coordSys_ =
coordSysPtr_ =
coordinateSystem::New
(
obr_,
@ -186,7 +186,7 @@ void Foam::functionObjects::forces::setCoordinateSystem
}
else
{
coordSys_ = coordSystem::cartesian(dict);
coordSysPtr_.reset(new coordSystem::cartesian(dict));
}
}
@ -604,21 +604,23 @@ void Foam::functionObjects::forces::writeForces()
{
Log << type() << " " << name() << " write:" << nl;
const auto& coordSys = coordSysPtr_();
writeIntegratedForceMoment
(
"forces",
coordSys_.localVector(force_[0]),
coordSys_.localVector(force_[1]),
coordSys_.localVector(force_[2]),
coordSys.localVector(force_[0]),
coordSys.localVector(force_[1]),
coordSys.localVector(force_[2]),
forceFilePtr_
);
writeIntegratedForceMoment
(
"moments",
coordSys_.localVector(moment_[0]),
coordSys_.localVector(moment_[1]),
coordSys_.localVector(moment_[2]),
coordSys.localVector(moment_[0]),
coordSys.localVector(moment_[1]),
coordSys.localVector(moment_[2]),
momentFilePtr_
);
@ -673,14 +675,16 @@ void Foam::functionObjects::forces::writeBinnedForceMoment
void Foam::functionObjects::forces::writeBins()
{
const auto& coordSys = coordSysPtr_();
List<Field<vector>> lf(3);
List<Field<vector>> lm(3);
lf[0] = coordSys_.localVector(force_[0]);
lf[1] = coordSys_.localVector(force_[1]);
lf[2] = coordSys_.localVector(force_[2]);
lm[0] = coordSys_.localVector(moment_[0]);
lm[1] = coordSys_.localVector(moment_[1]);
lm[2] = coordSys_.localVector(moment_[2]);
lf[0] = coordSys.localVector(force_[0]);
lf[1] = coordSys.localVector(force_[1]);
lf[2] = coordSys.localVector(force_[2]);
lm[0] = coordSys.localVector(moment_[0]);
lm[1] = coordSys.localVector(moment_[1]);
lm[2] = coordSys.localVector(moment_[2]);
writeBinnedForceMoment(lf, forceBinFilePtr_);
writeBinnedForceMoment(lm, momentBinFilePtr_);
@ -713,7 +717,7 @@ Foam::functionObjects::forces::forces
fDName_("fD"),
rhoRef_(VGREAT),
pRef_(0),
coordSys_(),
coordSysPtr_(nullptr),
porosity_(false),
nBin_(1),
binDir_(Zero),
@ -758,7 +762,7 @@ Foam::functionObjects::forces::forces
fDName_("fD"),
rhoRef_(VGREAT),
pRef_(0),
coordSys_(),
coordSysPtr_(nullptr),
porosity_(false),
nBin_(1),
binDir_(Zero),
@ -950,6 +954,8 @@ void Foam::functionObjects::forces::calcForcesMoment()
resetFields();
const point& origin = coordSysPtr_->origin();
if (directForceDensity_)
{
const volVectorField& fD = lookupObject<volVectorField>(fDName_);
@ -958,10 +964,7 @@ void Foam::functionObjects::forces::calcForcesMoment()
for (const label patchi : patchSet_)
{
vectorField Md
(
mesh_.C().boundaryField()[patchi] - coordSys_.origin()
);
vectorField Md(mesh_.C().boundaryField()[patchi] - origin);
scalarField sA(mag(Sfb[patchi]));
@ -1000,10 +1003,7 @@ void Foam::functionObjects::forces::calcForcesMoment()
for (const label patchi : patchSet_)
{
vectorField Md
(
mesh_.C().boundaryField()[patchi] - coordSys_.origin()
);
vectorField Md(mesh_.C().boundaryField()[patchi] - origin);
vectorField fN
(
@ -1052,7 +1052,7 @@ void Foam::functionObjects::forces::calcForcesMoment()
const vectorField d(mesh_.C(), cZone);
const vectorField fP(fPTot, cZone);
const vectorField Md(d - coordSys_.origin());
const vectorField Md(d - origin);
const vectorField fDummy(Md.size(), Zero);

4
src/functionObjects/forces/forces/forces.H
View File

@ -141,7 +141,7 @@ SourceFiles
#include "fvMeshFunctionObject.H"
#include "writeFile.H"
#include "cartesianCS.H"
#include "coordinateSystem.H"
#include "volFieldsFwd.H"
#include "HashSet.H"
#include "Tuple2.H"
@ -217,7 +217,7 @@ protected:
scalar pRef_;
//- Coordinate system used when evaluating forces/moments
coordSystem::cartesian coordSys_;
autoPtr<coordinateSystem> coordSysPtr_;
//- Flag to include porosity effects
bool porosity_;