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threshold pressure defaults: calculate the pressure difference like when computing the fluxes

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this should not change the value of the result at all (because the
total delta which is added to the phase pressures stays identical),
but it should be less confusing when comparing this with the code that
calculates the gravity correction term in the flux calculation.
This commit is contained in:
Andreas Lauser
2016-09-28 16:38:41 +02:00
parent 000fde19dc
commit 83a9f6ffce
1 changed files with 2 additions and 3 deletions
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5
opm/simulators/thresholdPressures.hpp
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@@ -278,7 +278,6 @@ void computeMaxDp(std::map<std::pair<int, int>, double>& maxDp,
for (int phaseIdx = 0; phaseIdx < numPhases; ++phaseIdx) {
const double z1 = UgGridHelpers::cellCenterDepth(grid, c1);
const double z2 = UgGridHelpers::cellCenterDepth(grid, c2);
const double zAvg = (z1 + z2)/2; // average depth
const double rhoAvg = (rho[phaseIdx][c1] + rho[phaseIdx][c2])/2;
@@ -289,8 +288,8 @@ void computeMaxDp(std::map<std::pair<int, int>, double>& maxDp,
const double sResid2 = minSat[numPhases*c2 + phaseIdx];
// compute gravity corrected pressure potentials at the average depth
const double p1 = phasePressure[phaseIdx][c1] + rhoAvg*gravity*(zAvg - z1);
const double p2 = phasePressure[phaseIdx][c2] + rhoAvg*gravity*(zAvg - z2);
const double p1 = phasePressure[phaseIdx][c1];
const double p2 = phasePressure[phaseIdx][c2] + rhoAvg*gravity*(z1 - z2);
if ((p1 > p2 && s1 > sResid1) || (p2 > p1 && s2 > sResid2))
maxDp[barrierId] = std::max(maxDp[barrierId], std::abs(p1 - p2));