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Support broadcasting value of first perforation for distributed well

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This needed to e.g. determine bottom hole pressure, pvt region, etc.
This commit is contained in:
Markus Blatt 2020-11-27 18:20:59 +01:00
parent 317e29d15a
commit 73919d6136
2 changed files with 25 additions and 1 deletions
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13
opm/simulators/wells/ParallelWellInfo.cpp
View File

@ -45,7 +45,8 @@ void ParallelWellInfo::DestroyComm::operator()(Communication* comm)
ParallelWellInfo::ParallelWellInfo(const std::string& name,
bool hasLocalCells)
: name_(name), hasLocalCells_ (hasLocalCells),
isOwner_(true), comm_(new Communication(Dune::MPIHelper::getLocalCommunicator()))
isOwner_(true), rankWithFirstPerf_(-1),
comm_(new Communication(Dune::MPIHelper::getLocalCommunicator()))
{}
ParallelWellInfo::ParallelWellInfo(const std::pair<std::string,bool>& well_info,
@ -63,6 +64,16 @@ ParallelWellInfo::ParallelWellInfo(const std::pair<std::string,bool>& well_info,
isOwner_ = (comm_->rank() == 0);
}
void ParallelWellInfo::communicateFirstPerforation(bool hasFirst)
{
int first = hasFirst;
std::vector<int> firstVec(comm_->size());
comm_->allgather(&first, 1, firstVec.data());
auto found = std::find_if(firstVec.begin(), firstVec.end(),
[](int i) -> bool{ return i;});
rankWithFirstPerf_ = found - firstVec.begin();
}
bool operator<(const ParallelWellInfo& well1, const ParallelWellInfo& well2)
{
return well1.name() < well2.name() || (! (well2.name() < well1.name()) && well1.hasLocalCells() < well2.hasLocalCells());

13
opm/simulators/wells/ParallelWellInfo.hpp
View File

@ -61,6 +61,17 @@ public:
return *comm_;
}
/// \brief Collectively decide which ran has first perforation.
void communicateFirstPerforation(bool hasFirst);
template<class T>
T broadcastFirstPerforationValue(const T& t) const
{
T res=t;
comm_->broadcast(&res, 1, rankWithFirstPerf_);
return res;
}
/// \brief Name of the well.
const std::string& name() const
{
@ -92,6 +103,8 @@ private:
bool hasLocalCells_;
/// \brief Whether we own the well and should do reports etc.
bool isOwner_;
/// \brief Rank with the first perforation on it.
int rankWithFirstPerf_;
/// \brief Communication object for the well
///
/// Contains only ranks where this well will perforate local cells.