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findOverlapRowsAndColumns.hpp
1/*
2 Copyright 2018 Andreas Thune
3
4 This file is part of the Open Porous Media project (OPM).
5
6 OPM is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
10
11 OPM is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with OPM. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#ifndef OPM_FINDOVERLAPROWSANDCOLUMNS_HEADER_INCLUDED
21#define OPM_FINDOVERLAPROWSANDCOLUMNS_HEADER_INCLUDED
22
23#include <vector>
24#include <utility>
25#include <opm/grid/common/WellConnections.hpp>
26#include <opm/grid/common/CartesianIndexMapper.hpp>
27
28namespace Dune {
29template<class Grid> class CartesianIndexMapper;
30}
31
32namespace Opm
33{
34namespace detail
35{
46 template<class Grid, class CartMapper, class W>
47 void setWellConnections(const Grid& grid, const CartMapper& cartMapper, const W& wells, bool useWellConn, std::vector<std::set<int>>& wellGraph, int numJacobiBlocks)
48 {
49 if ( grid.comm().size() > 1 || numJacobiBlocks > 1)
50 {
51 const int numCells = cartMapper.compressedSize(); // grid.numCells()
52 wellGraph.resize(numCells);
53
54 if (useWellConn) {
55 const auto& cpgdim = cartMapper.cartesianDimensions();
56
57 std::vector<int> cart(cpgdim[0]*cpgdim[1]*cpgdim[2], -1);
58
59 for( int i=0; i < numCells; ++i )
60 cart[ cartMapper.cartesianIndex( i ) ] = i;
61
62 Dune::cpgrid::WellConnections well_indices;
63 well_indices.init(wells, cpgdim, cart);
64
65 for (auto& well : well_indices)
66 {
67 for (auto perf = well.begin(); perf != well.end(); ++perf)
68 {
69 auto perf2 = perf;
70 for (++perf2; perf2 != well.end(); ++perf2)
71 {
72 wellGraph[*perf].insert(*perf2);
73 wellGraph[*perf2].insert(*perf);
74 }
75 }
76 }
77 }
78 }
79 }
80
89 template<class Grid, class Mapper>
90 void findOverlapAndInterior(const Grid& grid, const Mapper& mapper, std::vector<int>& overlapRows,
91 std::vector<int>& interiorRows)
92 {
93 //only relevant in parallel case.
94 if ( grid.comm().size() > 1)
95 {
96 //Numbering of cells
97 const auto& gridView = grid.leafGridView();
98 //loop over cells in mesh
99 for (const auto& elem : elements(gridView))
100 {
101 int lcell = mapper.index(elem);
102
103 if (elem.partitionType() != Dune::InteriorEntity)
104 {
105 //add row to list
106 overlapRows.push_back(lcell);
107 } else {
108 interiorRows.push_back(lcell);
109 }
110 }
111 }
112 }
113
119 template <class Grid>
120 size_t numMatrixRowsToUseInSolver(const Grid& grid, bool ownerFirst)
121 {
122 size_t numInterior = 0;
123 if (!ownerFirst || grid.comm().size()==1)
124 return grid.leafGridView().size(0);
125 const auto& gridView = grid.leafGridView();
126
127 // loop over cells in mesh
128 const auto& range = elements(gridView, Dune::Partitions::interior);
129 numInterior = std::distance(range.begin(), range.end());
130
131 return numInterior;
132 }
133} // namespace detail
134} // namespace Opm
135
136#endif // OPM_FINDOVERLAPROWSANDCOLUMNS_HEADER_INCLUDED
Definition findOverlapRowsAndColumns.hpp:29
This file contains a set of helper functions used by VFPProd / VFPInj.
Definition BlackoilPhases.hpp:27