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Fix bug: exactly the wrong potentials were nullified.

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This commit is contained in:
Atgeirr Flø Rasmussen 2014-08-27 15:10:48 +02:00
parent efbf42120b
commit a48ab0188a
1 changed files with 5 additions and 4 deletions
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9
opm/autodiff/FullyImplicitBlackoilSolver_impl.hpp
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@ -1635,11 +1635,12 @@ namespace {
// Identify the set of faces where the potential is under the
// threshold, that shall have zero flow. Storing the bool
// Array as a V (a double Array) with 1 and 0 elements.
const V low_potential = (dp.value().abs() < threshold_pressures_by_interior_face_).template cast<double>();
// Array as a V (a double Array) with 1 and 0 elements, a
// 1 where flow is allowed, a 0 where it is not.
const V high_potential = (dp.value().abs() >= threshold_pressures_by_interior_face_).template cast<double>();
// Create a sparse vector that nullifies the low potential elements.
const M nullify_low_potential = spdiag(low_potential);
const M keep_high_potential = spdiag(high_potential);
// The threshold modification must have the sign that reduces the
// absolute value of the potential.
@ -1647,7 +1648,7 @@ namespace {
const V threshold_modification = sign_for_mod * threshold_pressures_by_interior_face_;
// Modify potential and nullify where appropriate.
dp = nullify_low_potential * (dp + threshold_modification);
dp = keep_high_potential * (dp + threshold_modification);
}