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111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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Copyright 2013 SINTEF ICT, Applied Mathematics.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OPM_GEOPROPS_HEADER_INCLUDED
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#define OPM_GEOPROPS_HEADER_INCLUDED
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#include <opm/core/grid.h>
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#include <opm/core/pressure/tpfa/trans_tpfa.h>
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#include <Eigen/Eigen>
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namespace Opm
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{
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/// Class containing static geological properties that are
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/// derived from grid and petrophysical properties:
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/// - pore volume
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/// - transmissibilities
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/// - gravity potentials
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class DerivedGeology
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{
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public:
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typedef Eigen::ArrayXd Vector;
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/// Construct contained derived geological properties
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/// from grid and property information.
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template <class Props>
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DerivedGeology(const UnstructuredGrid& grid,
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const Props& props ,
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const double* grav = 0)
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: pvol_ (grid.number_of_cells)
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, trans_(grid.number_of_faces)
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, gpot_ (Vector::Zero(grid.cell_facepos[ grid.number_of_cells ], 1))
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, z_(grid.number_of_cells)
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{
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// Pore volume
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const typename Vector::Index nc = grid.number_of_cells;
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std::transform(grid.cell_volumes, grid.cell_volumes + nc,
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props.porosity(), pvol_.data(),
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std::multiplies<double>());
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// Transmissibility
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Vector htrans(grid.cell_facepos[nc]);
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UnstructuredGrid* ug = const_cast<UnstructuredGrid*>(& grid);
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tpfa_htrans_compute(ug, props.permeability(), htrans.data());
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tpfa_trans_compute (ug, htrans.data() , trans_.data());
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// Compute z coordinates
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for (int c = 0; c<nc; ++c){
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z_[c] = grid.cell_centroids[c*3 + 2];
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}
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// Gravity potential
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std::fill(gravity_, gravity_ + 3, 0.0);
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if (grav != 0) {
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const typename Vector::Index nd = grid.dimensions;
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for (typename Vector::Index c = 0; c < nc; ++c) {
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const double* const cc = & grid.cell_centroids[c*nd + 0];
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const int* const p = grid.cell_facepos;
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for (int i = p[c]; i < p[c + 1]; ++i) {
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const int f = grid.cell_faces[i];
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const double* const fc = & grid.face_centroids[f*nd + 0];
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for (typename Vector::Index d = 0; d < nd; ++d) {
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gpot_[i] += grav[d] * (fc[d] - cc[d]);
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}
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}
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}
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std::copy(grav, grav + nd, gravity_);
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}
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}
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const Vector& poreVolume() const { return pvol_ ;}
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const Vector& transmissibility() const { return trans_ ;}
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const Vector& gravityPotential() const { return gpot_ ;}
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const Vector& z() const { return z_ ;}
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const double* gravity() const { return gravity_;}
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private:
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Vector pvol_ ;
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Vector trans_;
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Vector gpot_ ;
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Vector z_;
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double gravity_[3]; // Size 3 even if grid is 2-dim.
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};
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}
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#endif // OPM_GEOPROPS_HEADER_INCLUDED
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