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Add tentative implementation of gravity flux.

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Bård Skaflestad 2013-05-13 16:31:26 +02:00
parent a141e79ead
commit e31486e288
1 changed files with 26 additions and 1 deletions
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27
ImpesTPFAAD.hpp
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@ -199,6 +199,30 @@ namespace Opm {
return ADB::function(mu, jac);
}
ADB
phaseDensity(const int phase, const ADB& p) const
{
typedef typename ADB::V V;
const double* rho0 = fluid_.surfaceDensity();
V rho = V::Zero(nc_, 1);
V drho = V::Zero(nc_, 1);
for (int i = 0; i < np_; ++i) {
rho += rho0[i] * A_ .block(0, phase*np_ + i, nc_, 1);
drho += rho0[i] * dA_.block(0, phase*np_ + i, nc_, 1);
}
assert (p.numBlocks() == 2);
std::vector<typename ADB::M> jac(p.numBlocks());
jac[0] = spdiag(drho);
jac[1] = M(rho.rows(), p.blockPattern()[1]);
assert (jac[0].cols() == p.blockPattern()[0]);
return ADB::function(rho, jac);
}
private:
const int nc_;
const int np_;
@ -347,11 +371,12 @@ namespace Opm {
cell_residual_ = ADB::constant(pv, bpat);
for (int phase = 0; phase < np; ++phase) {
const ADB cell_B = pdepfdata_.fvf(phase, p);
const ADB cell_rho = pdepfdata_.phaseDensity(phase, p);
const V kr = pdepfdata_.phaseRelPerm(phase);
const ADB mu = pdepfdata_.phaseViscosity(phase, p);
const ADB mf = upwind.select(kr / mu);
const ADB flux = mf * nkgradp;
const ADB flux = mf * (nkgradp + (grav_ * cell_rho));
const ADB face_B = upwind.select(cell_B);