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generating the pattern of the matrix of MultisegmentWell

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This commit is contained in:
Kai Bao 2017-09-08 17:47:33 +02:00
parent b3a233eecc
commit ae91296339
1 changed files with 29 additions and 5 deletions
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36
opm/autodiff/MultisegmentWell_impl.hpp
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@ -57,6 +57,7 @@ namespace Opm
const int segment_number = segment.segmentNumber();
const int outlet_segment_number = segment.outletSegment();
if (outlet_segment_number > 0) {
// TODO: to make sure segment_location == seg here
const int segment_location = numberToLocation(segment_number);
const int outlet_segment_location = numberToLocation(outlet_segment_number);
segment_inlets_[outlet_segment_location].push_back(segment_location);
@ -113,20 +114,43 @@ namespace Opm
// [A C^T [x = [ res
// B D] x_well] res_well]
// the number of the nnz should be numSegment() + numberOfOutlet()
invDuneD_.setSize(numberOfSegments(), numberOfSegments(), 100000);
// calculatiing the NNZ for invDuneD_
// NNZ = number_of_segments + 2 * (number_of_inlets / number_of_outlets)
{
int nnz_d = numberOfSegments();
for (const std::vector<int>& inlets : segment_inlets_) {
nnz_d += 2 * inlets.size();
}
invDuneD_.setSize(numberOfSegments(), numberOfSegments(), nnz_d);
}
duneB_.setSize(numberOfSegments(), num_cells, number_of_perforations_);
duneC_.setSize(numberOfSegments(), num_cells, number_of_perforations_);
// we need to add the off diagonal ones
for (auto row=invDuneD_.createbegin(), end = invDuneD_.createend(); row!=end; ++row) {
// Add nonzeros for diagonal
row.insert(row.index());
// the number of the row corrspnds to the segment now
const int seg = row.index();
// adding the item related to outlet relation
const Segment& segment = segmentSet()[seg];
const int outlet_segment_number = segment.outletSegment();
if (outlet_segment_number > 0) {
const int outlet_segment_location = numberToLocation(outlet_segment_number);
row.insert(outlet_segment_location);
}
// Add nonzeros for diagonal
row.insert(seg);
// insert the item related to its inlets
for (const int& inlet : segment_inlets_[seg]) {
row.insert(inlet);
}
}
// make the C matrix
for (auto row = duneC_.createbegin(), end = duneC_.createend(); row!=end; ++row) {
// the number of the row corresponds to the segment number now.
for (int perf = 0 ; perf < number_of_perforations_; ++perf) { // the segments hold some perforations
for (const int& perf : segment_perforations_[row.index()]) {
const int cell_idx = well_cells_[perf];
row.insert(cell_idx);
}
@ -135,7 +159,7 @@ namespace Opm
// make the B^T matrix
for (auto row = duneB_.createbegin(), end = duneB_.createend(); row!=end; ++row) {
// the number of the row corresponds to the segment number now.
for (int perf = 0; perf < number_of_perforations_; ++perf) {
for (const int& perf : segment_perforations_[row.index()]) {
const int cell_idx = well_cells_[perf];
row.insert(cell_idx);
}