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Fixes errors in ghosting update for some overset mesh problems. #1214

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merged 4 commits into from
Dec 23, 2023
+4 −12
Merged

Fixes errors in ghosting update for some overset mesh problems. #1214

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4c5ae63
Fixes errors in ghosting update for some overset mesh problems.
ddement Sep 19, 2023
62783cf
Merge branch 'master' into fix_ghosting_update
ddement Sep 20, 2023
cb9ed3d
Merge branch 'master' into fix_ghosting_update
psakievich Nov 8, 2023
477c338
Merge branch 'master' into fix_ghosting_update
psakievich Dec 18, 2023
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16 changes: 4 additions & 12 deletions src/overset/TiogaSTKIface.C
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Original file line number Diff line number Diff line change
Expand Up @@ -208,27 +208,19 @@ TiogaSTKIface::reset_data_structures()
void
TiogaSTKIface::update_ghosting()
{
stk::mesh::Ghosting* ovsetGhosting = oversetManager_.oversetGhosting_;
std::vector<stk::mesh::EntityKey> recvGhostsToRemove;

if (ovsetGhosting != nullptr) {
stk::mesh::EntityProcVec currentSendGhosts;
ovsetGhosting->send_list(currentSendGhosts);

sierra::nalu::compute_precise_ghosting_lists(
bulk_, elemsToGhost_, currentSendGhosts, recvGhostsToRemove);
}

size_t local[2] = {elemsToGhost_.size(), recvGhostsToRemove.size()};
size_t global[2] = {0, 0};
stk::all_reduce_sum(bulk_.parallel(), local, global, 2);

if ((global[0] > 0) || (global[1] > 0)) {
bulk_.modification_begin();
if (ovsetGhosting == nullptr) {
const std::string ghostName = "nalu_overset_ghosting";
oversetManager_.oversetGhosting_ = &(bulk_.create_ghosting(ghostName));
if (oversetManager_.oversetGhosting_ != nullptr) {
bulk_.destroy_ghosting(*oversetManager_.oversetGhosting_);
}
const std::string ghostName = "nalu_overset_ghosting";
oversetManager_.oversetGhosting_ = &(bulk_.create_ghosting(ghostName));
bulk_.change_ghosting(
*(oversetManager_.oversetGhosting_), elemsToGhost_, recvGhostsToRemove);
bulk_.modification_end();
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