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Align the thermal transmissibility computations with the diffusion computations.

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This commit is contained in:
Tor Harald Sandve 2021-03-25 12:52:47 +01:00
parent 498efe11a7
commit 838b230b64
1 changed files with 34 additions and 23 deletions
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57
ebos/ecltransmissibility.hh
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@ -241,17 +241,16 @@ public:
// for boundary intersections we also need to compute the thermal
// half transmissibilities
if (enableEnergy) {
const auto& n = intersection.centerUnitOuterNormal();
const auto& inPos = elem.geometry().center();
const auto& outPos = intersection.geometry().center();
const auto& d = outPos - inPos;
// eWoms expects fluxes to be area specific, i.e. we must *not*
// the transmissibility with the face area here
Scalar thermalHalfTrans = std::abs(n*d)/(d*d);
Scalar transBoundaryEnergyIs;
computeHalfDiffusivity_(transBoundaryEnergyIs,
faceAreaNormal,
distanceVector_(faceCenterInside,
intersection.indexInInside(),
elemIdx,
axisCentroids),
1.0);
thermalHalfTransBoundary_[std::make_pair(elemIdx, boundaryIsIdx)] =
thermalHalfTrans;
transBoundaryEnergyIs;
}
++ boundaryIsIdx;
@ -268,19 +267,6 @@ public:
const auto& outsideElem = intersection.outside();
unsigned outsideElemIdx = elemMapper.index(outsideElem);
// update the "thermal half transmissibility" for the intersection
if (enableEnergy) {
const auto& n = intersection.centerUnitOuterNormal();
Scalar A = intersection.geometry().volume();
const auto& inPos = elem.geometry().center();
const auto& outPos = intersection.geometry().center();
const auto& d = outPos - inPos;
(*thermalHalfTrans_)[directionalIsId_(elemIdx, outsideElemIdx)] =
A * (n*d)/(d*d);
}
unsigned insideCartElemIdx = cartMapper.cartesianIndex(elemIdx);
unsigned outsideCartElemIdx = cartMapper.cartesianIndex(outsideElemIdx);
@ -396,6 +382,31 @@ public:
trans_[isId_(elemIdx, outsideElemIdx)] = trans;
// update the "thermal half transmissibility" for the intersection
if (enableEnergy) {
Scalar halfDiffusivity1;
Scalar halfDiffusivity2;
computeHalfDiffusivity_(halfDiffusivity1,
faceAreaNormal,
distanceVector_(faceCenterInside,
intersection.indexInInside(),
elemIdx,
axisCentroids),
1.0);
computeHalfDiffusivity_(halfDiffusivity2,
faceAreaNormal,
distanceVector_(faceCenterOutside,
intersection.indexInOutside(),
outsideElemIdx,
axisCentroids),
1.0);
//TODO Add support for multipliers
(*thermalHalfTrans_)[directionalIsId_(elemIdx, outsideElemIdx)] = halfDiffusivity1;
(*thermalHalfTrans_)[directionalIsId_(outsideElemIdx, elemIdx)] = halfDiffusivity2;
}
// update the "diffusive half transmissibility" for the intersection
if (updateDiffusivity) {
Scalar halfDiffusivity1;