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Implemented init() function.
This commit is contained in:
Atgeirr Flø Rasmussen
parent
ee87a73edc
commit
f187ef3be1
@ -19,14 +19,31 @@
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#include <opm/core/fluid/RockFromDeck.hpp>
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#include <opm/core/eclipse/EclipseGridInspector.hpp>
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namespace Opm
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{
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// Helper functions
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namespace
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{
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enum PermeabilityKind { ScalarPerm, DiagonalPerm, TensorPerm, None, Invalid };
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PermeabilityKind classifyPermeability(const Dune::EclipseGridParser& parser);
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void setScalarPermIfNeeded(std::tr1::array<int,9>& kmap,
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int i, int j, int k);
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PermeabilityKind fillTensor(const Dune::EclipseGridParser& parser,
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std::vector<const std::vector<double>*>& tensor,
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std::tr1::array<int,9>& kmap);
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} // anonymous namespace
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// ---- ReadFromDeck methods ----
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/// Default constructor.
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RockFromDeck::RockFromDeck()
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: dim_(-1)
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{
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}
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@ -38,6 +55,281 @@ namespace Opm
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void RockFromDeck::init(const Dune::EclipseGridParser& deck,
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const std::vector<int>& global_cell)
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{
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assignPorosity(deck, global_cell);
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permfield_valid_.assign(global_cell.size(), false);
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const double perm_threshold = 0.0; // Maybe turn into parameter?
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assignPermeability(deck, global_cell, perm_threshold);
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}
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void RockFromDeck::assignPorosity(const Dune::EclipseGridParser& parser,
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const std::vector<int>& global_cell)
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{
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porosity_.assign(global_cell.size(), 1.0);
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if (parser.hasField("PORO")) {
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const std::vector<double>& poro = parser.getFloatingPointValue("PORO");
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for (int c = 0; c < int(porosity_.size()); ++c) {
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porosity_[c] = poro[global_cell[c]];
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}
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}
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}
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void RockFromDeck::assignPermeability(const Dune::EclipseGridParser& parser,
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const std::vector<int>& global_cell,
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double perm_threshold)
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{
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const int dim = 3;
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Dune::EclipseGridInspector insp(parser);
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std::tr1::array<int, 3> dims = insp.gridSize();
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int num_global_cells = dims[0]*dims[1]*dims[2];
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ASSERT (num_global_cells > 0);
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permeability_.assign(dim * dim * global_cell.size(), 0.0);
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std::vector<const std::vector<double>*> tensor;
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tensor.reserve(10);
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const std::vector<double> zero(num_global_cells, 0.0);
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tensor.push_back(&zero);
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std::tr1::array<int,9> kmap;
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PermeabilityKind pkind = fillTensor(parser, tensor, kmap);
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if (pkind == Invalid) {
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THROW("Invalid permeability field.");
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}
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// Assign permeability values only if such values are
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// given in the input deck represented by 'parser'. In
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// other words: Don't set any (arbitrary) default values.
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// It is infinitely better to experience a reproducible
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// crash than subtle errors resulting from a (poorly
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// chosen) default value...
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//
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if (tensor.size() > 1) {
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const int nc = global_cell.size();
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int off = 0;
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for (int c = 0; c < nc; ++c, off += dim*dim) {
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// SharedPermTensor K(dim, dim, &permeability_[off]);
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int kix = 0;
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const int glob = global_cell[c];
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for (int i = 0; i < dim; ++i) {
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for (int j = 0; j < dim; ++j, ++kix) {
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// K(i,j) = (*tensor[kmap[kix]])[glob];
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permeability_[off + kix] = (*tensor[kmap[kix]])[glob];
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}
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// K(i,i) = std::max(K(i,i), perm_threshold);
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permeability_[off + 3*i + i] = std::max(permeability_[off + 3*i + i], perm_threshold);
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}
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permfield_valid_[c] = std::vector<unsigned char>::value_type(1);
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}
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}
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}
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namespace {
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/// @brief
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/// Classify and verify a given permeability specification
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/// from a structural point of view. In particular, we
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/// verify that there are no off-diagonal permeability
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/// components such as @f$k_{xy}@f$ unless the
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/// corresponding diagonal components are known as well.
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///
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/// @param parser [in]
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/// An Eclipse data parser capable of answering which
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/// permeability components are present in a given input
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/// deck.
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///
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/// @return
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/// An enum value with the following possible values:
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/// ScalarPerm only one component was given.
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/// DiagonalPerm more than one component given.
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/// TensorPerm at least one cross-component given.
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/// None no components given.
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/// Invalid invalid set of components given.
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PermeabilityKind classifyPermeability(const Dune::EclipseGridParser& parser)
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{
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const bool xx = parser.hasField("PERMX" );
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const bool xy = parser.hasField("PERMXY");
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const bool xz = parser.hasField("PERMXZ");
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const bool yx = parser.hasField("PERMYX");
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const bool yy = parser.hasField("PERMY" );
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const bool yz = parser.hasField("PERMYZ");
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const bool zx = parser.hasField("PERMZX");
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const bool zy = parser.hasField("PERMZY");
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const bool zz = parser.hasField("PERMZ" );
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int num_cross_comp = xy + xz + yx + yz + zx + zy;
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int num_comp = xx + yy + zz + num_cross_comp;
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PermeabilityKind retval = None;
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if (num_cross_comp > 0) {
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retval = TensorPerm;
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} else {
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if (num_comp == 1) {
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retval = ScalarPerm;
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} else if (num_comp >= 2) {
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retval = DiagonalPerm;
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}
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}
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bool ok = true;
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if (num_comp > 0) {
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// At least one tensor component specified on input.
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// Verify that any remaining components are OK from a
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// structural point of view. In particular, there
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// must not be any cross-components (e.g., k_{xy})
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// unless the corresponding diagonal component (e.g.,
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// k_{xx}) is present as well...
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//
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ok = xx || !(xy || xz || yx || zx) ;
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ok = ok && (yy || !(yx || yz || xy || zy));
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ok = ok && (zz || !(zx || zy || xz || yz));
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}
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if (!ok) {
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retval = Invalid;
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}
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return retval;
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}
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/// @brief
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/// Copy isotropic (scalar) permeability to other diagonal
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/// components if the latter have not (yet) been assigned a
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/// separate value. Specifically, this function assigns
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/// copies of the @f$i@f$ permeability component (e.g.,
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/// 'PERMX') to the @f$j@f$ and @f$k@f$ permeability (e.g.,
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/// 'PERMY' and 'PERMZ') components if these have not
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/// previously been assigned.
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///
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/// @param kmap
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/// Permeability indirection map. In particular @code
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/// kmap[i] @endcode is the index (an integral number in
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/// the set [1..9]) into the permeability tensor
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/// representation of function @code fillTensor @endcode
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/// which represents permeability component @code i
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/// @endcode.
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///
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/// @param [in] i
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/// @param [in] j
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/// @param [in] k
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void setScalarPermIfNeeded(std::tr1::array<int,9>& kmap,
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int i, int j, int k)
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{
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if (kmap[j] == 0) { kmap[j] = kmap[i]; }
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if (kmap[k] == 0) { kmap[k] = kmap[i]; }
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}
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/// @brief
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/// Extract pointers to appropriate tensor components from
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/// input deck. The permeability tensor is, generally,
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/// @code
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/// [ kxx kxy kxz ]
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/// K = [ kyx kyy kyz ]
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/// [ kzx kzy kzz ]
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/// @endcode
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/// We store these values in a linear array using natural
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/// ordering with the column index cycling the most rapidly.
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/// In particular we use the representation
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/// @code
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/// [ 0 1 2 3 4 5 6 7 8 ]
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/// K = [ kxx, kxy, kxz, kyx, kyy, kyz, kzx, kzy, kzz ]
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/// @endcode
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/// Moreover, we explicitly enforce symmetric tensors by
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/// assigning
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/// @code
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/// 3 1 6 2 7 5
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/// kyx = kxy, kzx = kxz, kzy = kyz
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/// @endcode
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/// However, we make no attempt at enforcing positive
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/// definite tensors.
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///
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/// @param [in] parser
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/// An Eclipse data parser capable of answering which
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/// permeability components are present in a given input
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/// deck as well as retrieving the numerical value of each
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/// permeability component in each grid cell.
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///
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/// @param [out] tensor
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/// @param [out] kmap
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PermeabilityKind fillTensor(const Dune::EclipseGridParser& parser,
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std::vector<const std::vector<double>*>& tensor,
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std::tr1::array<int,9>& kmap)
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{
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PermeabilityKind kind = classifyPermeability(parser);
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if (kind == Invalid) {
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THROW("Invalid set of permeability fields given.");
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}
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ASSERT (tensor.size() == 1);
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for (int i = 0; i < 9; ++i) { kmap[i] = 0; }
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enum { xx, xy, xz, // 0, 1, 2
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yx, yy, yz, // 3, 4, 5
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zx, zy, zz }; // 6, 7, 8
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// -----------------------------------------------------------
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// 1st row: [kxx, kxy, kxz]
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if (parser.hasField("PERMX" )) {
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kmap[xx] = tensor.size();
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tensor.push_back(&parser.getFloatingPointValue("PERMX" ));
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setScalarPermIfNeeded(kmap, xx, yy, zz);
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}
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if (parser.hasField("PERMXY")) {
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kmap[xy] = kmap[yx] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMXY"));
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}
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if (parser.hasField("PERMXZ")) {
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kmap[xz] = kmap[zx] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMXZ"));
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}
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// -----------------------------------------------------------
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// 2nd row: [kyx, kyy, kyz]
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if (parser.hasField("PERMYX")) {
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kmap[yx] = kmap[xy] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMYX"));
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}
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if (parser.hasField("PERMY" )) {
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kmap[yy] = tensor.size();
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tensor.push_back(&parser.getFloatingPointValue("PERMY" ));
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setScalarPermIfNeeded(kmap, yy, zz, xx);
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}
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if (parser.hasField("PERMYZ")) {
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kmap[yz] = kmap[zy] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMYZ"));
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}
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// -----------------------------------------------------------
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// 3rd row: [kzx, kzy, kzz]
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if (parser.hasField("PERMZX")) {
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kmap[zx] = kmap[xz] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMZX"));
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}
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if (parser.hasField("PERMZY")) {
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kmap[zy] = kmap[yz] = tensor.size(); // Enforce symmetry.
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tensor.push_back(&parser.getFloatingPointValue("PERMZY"));
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}
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if (parser.hasField("PERMZ" )) {
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kmap[zz] = tensor.size();
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tensor.push_back(&parser.getFloatingPointValue("PERMZ" ));
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setScalarPermIfNeeded(kmap, zz, xx, yy);
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}
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return kind;
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}
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} // anonymous namespace
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} // namespace Opm
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@ -41,10 +41,10 @@ namespace Opm
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void init(const Dune::EclipseGridParser& deck,
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const std::vector<int>& global_cell);
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/// \return D, the number of spatial dimensions.
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/// \return D, the number of spatial dimensions. Always 3 for deck input.
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int numDimensions() const
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{
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return dim_;
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return 3;
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}
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/// \return N, the number of cells.
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@ -68,9 +68,15 @@ namespace Opm
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}
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private:
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int dim_;
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void assignPorosity(const Dune::EclipseGridParser& parser,
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const std::vector<int>& global_cell);
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void assignPermeability(const Dune::EclipseGridParser& parser,
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const std::vector<int>& global_cell,
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const double perm_threshold);
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std::vector<double> porosity_;
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std::vector<double> permeability_;
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std::vector<unsigned char> permfield_valid_;
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};
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