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104 lines
3.9 KiB
C
104 lines
3.9 KiB
C
/*
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Copyright 2010 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_MIMETIC_HEADER_INCLUDED
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#define OPM_MIMETIC_HEADER_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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void mim_ip_span_nullspace(int nf, int nconn, int d,
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double *C,
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double *A,
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double *X,
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double *work, int lwork);
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void mim_ip_linpress_exact(int nf, int nconn, int d,
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double vol, double *K,
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double *N,
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double *Binv,
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double *work, int lwork);
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void mim_ip_simple(int nf, int nconn, int d,
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double v, double *K, double *C,
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double *A, double *N,
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double *Binv,
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double *work, int lwork);
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/** Compute the mimetic inner products given a grid and cellwise
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* permeability tensors.
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*
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* @param ncells Number of cells in grid.
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* @param d Number of space dimensions.
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* @param max_ncf Maximum number of faces per cell.
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* @param pconn Start indices in conn for each cell, plus end
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* marker. The size of pconn is (ncells + 1), and for a
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* cell i, [conn[pconn[i]], conn[pconn[i+1]]) is a
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* half-open interval containing the indices of faces
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* adjacent to i.
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* @param conn Cell to face mapping. Size shall be equal to the sum of
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* ncf. See pconn for explanation.
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* @param fneighbour Face to cell mapping. Its size shall be equal to
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* the number of faces times 2. For each face, the
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* two entries are either a cell number or -1
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* (signifying the outer boundary). The face normal
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* points out of the first cell and into the second.
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* @param fcentroid Face centroids. Size shall be equal to the number
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* of faces times d.
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* @param fnormal Face normale. Size shall be equal to the number
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* of faces times d.
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* @param farea Face areas.
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* @param ccentroid Cell centroids. Size shall be ncells*d.
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* @param cvol Cell volumes.
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* @param perm Permeability. Size shall be ncells*d*d, storing a
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* d-by-d positive definite tensor per cell.
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* @param[out] Binv This is where the inner product will be
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* stored. Its size shall be equal to \f$\sum_i
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* n_i^2\f$.
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*/
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void mim_ip_simple_all(int ncells, int d, int max_ncf,
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int *pconn, int *conn,
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int *fneighbour, double *fcentroid, double *fnormal,
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double *farea, double *ccentroid, double *cvol,
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double *perm, double *Binv);
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void
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mim_ip_compute_gpress(int nc, int d, const double *grav,
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const int *pconn, const int *conn,
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const double *fcentroid, const double *ccentroid,
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double *gpress);
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/* inv(B) <- \lambda_t(s)*inv(B)_0 */
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void
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mim_ip_mobility_update(int nc, const int *pconn, const double *totmob,
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const double *Binv0, double *Binv);
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/* G <- \sum_i \rho_i f_i(s) * G_0 */
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void
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mim_ip_density_update(int nc, const int *pconn, const double *omega,
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const double *gpress0, double *gpress);
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#ifdef __cplusplus
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}
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#endif
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#endif /* OPM_MIMETIC_HEADER_INCLUDED */
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