mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-24 08:20:01 -06:00
336 lines
13 KiB
C++
336 lines
13 KiB
C++
/*
|
|
Copyright 2012 SINTEF ICT, Applied Mathematics.
|
|
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include <opm/core/fluid/RockFromDeck.hpp>
|
|
#include <opm/core/eclipse/EclipseGridInspector.hpp>
|
|
|
|
namespace Opm
|
|
{
|
|
|
|
// Helper functions
|
|
namespace
|
|
{
|
|
enum PermeabilityKind { ScalarPerm, DiagonalPerm, TensorPerm, None, Invalid };
|
|
|
|
PermeabilityKind classifyPermeability(const EclipseGridParser& parser);
|
|
void setScalarPermIfNeeded(std::tr1::array<int,9>& kmap,
|
|
int i, int j, int k);
|
|
PermeabilityKind fillTensor(const EclipseGridParser& parser,
|
|
std::vector<const std::vector<double>*>& tensor,
|
|
std::tr1::array<int,9>& kmap);
|
|
} // anonymous namespace
|
|
|
|
|
|
|
|
// ---- RockFromDeck methods ----
|
|
|
|
|
|
/// Default constructor.
|
|
RockFromDeck::RockFromDeck()
|
|
{
|
|
}
|
|
|
|
|
|
/// Initialize from deck and cell mapping.
|
|
/// \param deck Deck input parser
|
|
/// \param global_cell mapping from cell indices (typically from a processed grid)
|
|
/// to logical cartesian indices consistent with the deck.
|
|
void RockFromDeck::init(const EclipseGridParser& deck,
|
|
const std::vector<int>& global_cell)
|
|
{
|
|
assignPorosity(deck, global_cell);
|
|
permfield_valid_.assign(global_cell.size(), false);
|
|
const double perm_threshold = 0.0; // Maybe turn into parameter?
|
|
assignPermeability(deck, global_cell, perm_threshold);
|
|
}
|
|
|
|
|
|
void RockFromDeck::assignPorosity(const EclipseGridParser& parser,
|
|
const std::vector<int>& global_cell)
|
|
{
|
|
porosity_.assign(global_cell.size(), 1.0);
|
|
|
|
if (parser.hasField("PORO")) {
|
|
const std::vector<double>& poro = parser.getFloatingPointValue("PORO");
|
|
|
|
for (int c = 0; c < int(porosity_.size()); ++c) {
|
|
porosity_[c] = poro[global_cell[c]];
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void RockFromDeck::assignPermeability(const EclipseGridParser& parser,
|
|
const std::vector<int>& global_cell,
|
|
double perm_threshold)
|
|
{
|
|
const int dim = 3;
|
|
EclipseGridInspector insp(parser);
|
|
std::tr1::array<int, 3> dims = insp.gridSize();
|
|
int num_global_cells = dims[0]*dims[1]*dims[2];
|
|
ASSERT (num_global_cells > 0);
|
|
|
|
permeability_.assign(dim * dim * global_cell.size(), 0.0);
|
|
|
|
std::vector<const std::vector<double>*> tensor;
|
|
tensor.reserve(10);
|
|
|
|
const std::vector<double> zero(num_global_cells, 0.0);
|
|
tensor.push_back(&zero);
|
|
|
|
std::tr1::array<int,9> kmap;
|
|
PermeabilityKind pkind = fillTensor(parser, tensor, kmap);
|
|
if (pkind == Invalid) {
|
|
THROW("Invalid permeability field.");
|
|
}
|
|
|
|
// Assign permeability values only if such values are
|
|
// given in the input deck represented by 'parser'. In
|
|
// other words: Don't set any (arbitrary) default values.
|
|
// It is infinitely better to experience a reproducible
|
|
// crash than subtle errors resulting from a (poorly
|
|
// chosen) default value...
|
|
//
|
|
if (tensor.size() > 1) {
|
|
const int nc = global_cell.size();
|
|
int off = 0;
|
|
|
|
for (int c = 0; c < nc; ++c, off += dim*dim) {
|
|
// SharedPermTensor K(dim, dim, &permeability_[off]);
|
|
int kix = 0;
|
|
const int glob = global_cell[c];
|
|
|
|
for (int i = 0; i < dim; ++i) {
|
|
for (int j = 0; j < dim; ++j, ++kix) {
|
|
// K(i,j) = (*tensor[kmap[kix]])[glob];
|
|
permeability_[off + kix] = (*tensor[kmap[kix]])[glob];
|
|
}
|
|
// K(i,i) = std::max(K(i,i), perm_threshold);
|
|
permeability_[off + 3*i + i] = std::max(permeability_[off + 3*i + i], perm_threshold);
|
|
}
|
|
|
|
permfield_valid_[c] = std::vector<unsigned char>::value_type(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
namespace {
|
|
|
|
/// @brief
|
|
/// Classify and verify a given permeability specification
|
|
/// from a structural point of view. In particular, we
|
|
/// verify that there are no off-diagonal permeability
|
|
/// components such as @f$k_{xy}@f$ unless the
|
|
/// corresponding diagonal components are known as well.
|
|
///
|
|
/// @param parser [in]
|
|
/// An Eclipse data parser capable of answering which
|
|
/// permeability components are present in a given input
|
|
/// deck.
|
|
///
|
|
/// @return
|
|
/// An enum value with the following possible values:
|
|
/// ScalarPerm only one component was given.
|
|
/// DiagonalPerm more than one component given.
|
|
/// TensorPerm at least one cross-component given.
|
|
/// None no components given.
|
|
/// Invalid invalid set of components given.
|
|
PermeabilityKind classifyPermeability(const EclipseGridParser& parser)
|
|
{
|
|
const bool xx = parser.hasField("PERMX" );
|
|
const bool xy = parser.hasField("PERMXY");
|
|
const bool xz = parser.hasField("PERMXZ");
|
|
|
|
const bool yx = parser.hasField("PERMYX");
|
|
const bool yy = parser.hasField("PERMY" );
|
|
const bool yz = parser.hasField("PERMYZ");
|
|
|
|
const bool zx = parser.hasField("PERMZX");
|
|
const bool zy = parser.hasField("PERMZY");
|
|
const bool zz = parser.hasField("PERMZ" );
|
|
|
|
int num_cross_comp = xy + xz + yx + yz + zx + zy;
|
|
int num_comp = xx + yy + zz + num_cross_comp;
|
|
PermeabilityKind retval = None;
|
|
if (num_cross_comp > 0) {
|
|
retval = TensorPerm;
|
|
} else {
|
|
if (num_comp == 1) {
|
|
retval = ScalarPerm;
|
|
} else if (num_comp >= 2) {
|
|
retval = DiagonalPerm;
|
|
}
|
|
}
|
|
|
|
bool ok = true;
|
|
if (num_comp > 0) {
|
|
// At least one tensor component specified on input.
|
|
// Verify that any remaining components are OK from a
|
|
// structural point of view. In particular, there
|
|
// must not be any cross-components (e.g., k_{xy})
|
|
// unless the corresponding diagonal component (e.g.,
|
|
// k_{xx}) is present as well...
|
|
//
|
|
ok = xx || !(xy || xz || yx || zx) ;
|
|
ok = ok && (yy || !(yx || yz || xy || zy));
|
|
ok = ok && (zz || !(zx || zy || xz || yz));
|
|
}
|
|
if (!ok) {
|
|
retval = Invalid;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
/// @brief
|
|
/// Copy isotropic (scalar) permeability to other diagonal
|
|
/// components if the latter have not (yet) been assigned a
|
|
/// separate value. Specifically, this function assigns
|
|
/// copies of the @f$i@f$ permeability component (e.g.,
|
|
/// 'PERMX') to the @f$j@f$ and @f$k@f$ permeability (e.g.,
|
|
/// 'PERMY' and 'PERMZ') components if these have not
|
|
/// previously been assigned.
|
|
///
|
|
/// @param kmap
|
|
/// Permeability indirection map. In particular @code
|
|
/// kmap[i] @endcode is the index (an integral number in
|
|
/// the set [1..9]) into the permeability tensor
|
|
/// representation of function @code fillTensor @endcode
|
|
/// which represents permeability component @code i
|
|
/// @endcode.
|
|
///
|
|
/// @param [in] i
|
|
/// @param [in] j
|
|
/// @param [in] k
|
|
void setScalarPermIfNeeded(std::tr1::array<int,9>& kmap,
|
|
int i, int j, int k)
|
|
{
|
|
if (kmap[j] == 0) { kmap[j] = kmap[i]; }
|
|
if (kmap[k] == 0) { kmap[k] = kmap[i]; }
|
|
}
|
|
|
|
|
|
/// @brief
|
|
/// Extract pointers to appropriate tensor components from
|
|
/// input deck. The permeability tensor is, generally,
|
|
/// @code
|
|
/// [ kxx kxy kxz ]
|
|
/// K = [ kyx kyy kyz ]
|
|
/// [ kzx kzy kzz ]
|
|
/// @endcode
|
|
/// We store these values in a linear array using natural
|
|
/// ordering with the column index cycling the most rapidly.
|
|
/// In particular we use the representation
|
|
/// @code
|
|
/// [ 0 1 2 3 4 5 6 7 8 ]
|
|
/// K = [ kxx, kxy, kxz, kyx, kyy, kyz, kzx, kzy, kzz ]
|
|
/// @endcode
|
|
/// Moreover, we explicitly enforce symmetric tensors by
|
|
/// assigning
|
|
/// @code
|
|
/// 3 1 6 2 7 5
|
|
/// kyx = kxy, kzx = kxz, kzy = kyz
|
|
/// @endcode
|
|
/// However, we make no attempt at enforcing positive
|
|
/// definite tensors.
|
|
///
|
|
/// @param [in] parser
|
|
/// An Eclipse data parser capable of answering which
|
|
/// permeability components are present in a given input
|
|
/// deck as well as retrieving the numerical value of each
|
|
/// permeability component in each grid cell.
|
|
///
|
|
/// @param [out] tensor
|
|
/// @param [out] kmap
|
|
PermeabilityKind fillTensor(const EclipseGridParser& parser,
|
|
std::vector<const std::vector<double>*>& tensor,
|
|
std::tr1::array<int,9>& kmap)
|
|
{
|
|
PermeabilityKind kind = classifyPermeability(parser);
|
|
if (kind == Invalid) {
|
|
THROW("Invalid set of permeability fields given.");
|
|
}
|
|
ASSERT (tensor.size() == 1);
|
|
for (int i = 0; i < 9; ++i) { kmap[i] = 0; }
|
|
|
|
enum { xx, xy, xz, // 0, 1, 2
|
|
yx, yy, yz, // 3, 4, 5
|
|
zx, zy, zz }; // 6, 7, 8
|
|
|
|
// -----------------------------------------------------------
|
|
// 1st row: [kxx, kxy, kxz]
|
|
if (parser.hasField("PERMX" )) {
|
|
kmap[xx] = tensor.size();
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMX" ));
|
|
|
|
setScalarPermIfNeeded(kmap, xx, yy, zz);
|
|
}
|
|
if (parser.hasField("PERMXY")) {
|
|
kmap[xy] = kmap[yx] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMXY"));
|
|
}
|
|
if (parser.hasField("PERMXZ")) {
|
|
kmap[xz] = kmap[zx] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMXZ"));
|
|
}
|
|
|
|
// -----------------------------------------------------------
|
|
// 2nd row: [kyx, kyy, kyz]
|
|
if (parser.hasField("PERMYX")) {
|
|
kmap[yx] = kmap[xy] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMYX"));
|
|
}
|
|
if (parser.hasField("PERMY" )) {
|
|
kmap[yy] = tensor.size();
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMY" ));
|
|
|
|
setScalarPermIfNeeded(kmap, yy, zz, xx);
|
|
}
|
|
if (parser.hasField("PERMYZ")) {
|
|
kmap[yz] = kmap[zy] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMYZ"));
|
|
}
|
|
|
|
// -----------------------------------------------------------
|
|
// 3rd row: [kzx, kzy, kzz]
|
|
if (parser.hasField("PERMZX")) {
|
|
kmap[zx] = kmap[xz] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMZX"));
|
|
}
|
|
if (parser.hasField("PERMZY")) {
|
|
kmap[zy] = kmap[yz] = tensor.size(); // Enforce symmetry.
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMZY"));
|
|
}
|
|
if (parser.hasField("PERMZ" )) {
|
|
kmap[zz] = tensor.size();
|
|
tensor.push_back(&parser.getFloatingPointValue("PERMZ" ));
|
|
|
|
setScalarPermIfNeeded(kmap, zz, xx, yy);
|
|
}
|
|
return kind;
|
|
}
|
|
|
|
} // anonymous namespace
|
|
|
|
} // namespace Opm
|