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checking the results from the direct solver invDX

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since I has not figure out a way to detect/catch the singularity of the
matrix with UMFPack, currently, we only check the validity of the
results to make sure inf or nan not enter other part of the simulation.

It can easiliy results in assertion failure, and causes the running to
be terminated. After all, it mostly likely is a numerical issue
generated during the non-linear iteration process.
This commit is contained in:
Kai Bao
2017-10-14 08:50:44 +02:00
parent d407e516ce
commit 7054317d98
3 changed files with 44 additions and 24 deletions
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14
opm/autodiff/MultisegmentWell_impl.hpp
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@@ -468,8 +468,6 @@ namespace Opm
}
}
std::cout << " maximum_residual " << maximum_residual[0] << " " << maximum_residual[1] << " " << maximum_residual[2] << " " << maximum_residual[3] << std::endl;
if ( !(report.nan_residual_found || report.too_large_residual_found) ) { // no abnormal residual value found
// check convergence for flux residuals
for ( int comp_idx = 0; comp_idx < numComponents(); ++comp_idx)
@@ -499,7 +497,7 @@ namespace Opm
duneB_.mv(x, Bx);
// invDBx = duneD^-1 * Bx_
const BVectorWell invDBx = mswellhelpers::invDX(duneD_, Bx);
const BVectorWell invDBx = mswellhelpers::invDXDirect(duneD_, Bx);
// Ax = Ax - duneC_^T * invDBx
duneC_.mmtv(invDBx,Ax);
@@ -515,7 +513,7 @@ namespace Opm
apply(BVector& r) const
{
// invDrw_ = duneD^-1 * resWell_
const BVectorWell invDrw = mswellhelpers::invDX(duneD_, resWell_);
const BVectorWell invDrw = mswellhelpers::invDXDirect(duneD_, resWell_);
// r = r - duneC_^T * invDrw
duneC_.mmtv(invDrw, r);
}
@@ -637,7 +635,7 @@ namespace Opm
// resWell = resWell - B * x
duneB_.mmv(x, resWell);
// xw = D^-1 * resWell
xw = mswellhelpers::invDX(duneD_, resWell);
xw = mswellhelpers::invDXDirect(duneD_, resWell);
}
@@ -652,7 +650,7 @@ namespace Opm
{
// We assemble the well equations, then we check the convergence,
// which is why we do not put the assembleWellEq here.
const BVectorWell dx_well = mswellhelpers::invDX(duneD_, resWell_);
const BVectorWell dx_well = mswellhelpers::invDXDirect(duneD_, resWell_);
updateWellState(dx_well, param, false, well_state);
}
@@ -1791,11 +1789,10 @@ namespace Opm
const int max_iter_number = param.max_inner_iter_ms_wells_;
int it = 0;
for (; it < max_iter_number; ++it) {
std::cout << " iterateWellEquations it " << it << std::endl;
assembleWellEqWithoutIteration(ebosSimulator, dt, well_state, true);
const BVectorWell dx_well = mswellhelpers::invDX(duneD_, resWell_);
const BVectorWell dx_well = mswellhelpers::invDXDirect(duneD_, resWell_);
// TODO: use these small values for now, not intend to reach the convergence
// in this stage, but, should we?
@@ -1807,7 +1804,6 @@ namespace Opm
const ConvergenceReport report = getWellConvergence(ebosSimulator, B, param);
if (report.converged) {
std::cout << " converged in iterateWellEquations " << std::endl;
break;
}