OilfieldToolsNet/opm-core
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Output estimated cell velocities.

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This commit is contained in:
Atgeirr Flø Rasmussen 2012-02-25 22:29:35 +01:00
parent e36c5bd46f
commit 0e1107f195
1 changed files with 31 additions and 0 deletions
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31
examples/spu_2p.cpp
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@ -197,6 +197,34 @@ compute_totmob_omega(const Opm::IncompPropertiesInterface& props,
}
}
/// @brief Estimates a scalar cell velocity from face fluxes.
/// @param[in] grid a grid
/// @param[in] face_flux signed per-face fluxes
/// @param[out] cell_velocity the estimated velocities.
void estimateCellVelocity(const UnstructuredGrid& grid,
const std::vector<double>& face_flux,
std::vector<double>& cell_velocity)
{
const int dim = grid.dimensions;
cell_velocity.clear();
cell_velocity.resize(grid.number_of_cells*dim, 0.0);
for (int face = 0; face < grid.number_of_faces; ++face) {
int c[2] = { grid.face_cells[2*face], grid.face_cells[2*face + 1] };
const double* fc = &grid.face_centroids[face*dim];
double flux = face_flux[face];
for (int i = 0; i < 2; ++i) {
if (c[i] >= 0) {
const double* cc = &grid.cell_centroids[c[i]*dim];
for (int d = 0; d < dim; ++d) {
double v_contrib = fc[d] - cc[d];
v_contrib *= flux/grid.cell_volumes[c[i]];
cell_velocity[c[i]*dim + d] += (i == 0) ? v_contrib : -v_contrib;
}
}
}
}
}
template <class State>
void outputState(const UnstructuredGrid* grid,
@ -214,6 +242,9 @@ void outputState(const UnstructuredGrid* grid,
Opm::DataMap dm;
dm["saturation"] = &state.saturation();
dm["pressure"] = &state.pressure();
std::vector<double> cell_velocity;
estimateCellVelocity(*grid, state.faceflux(), cell_velocity);
dm["velocity"] = &cell_velocity;
Opm::writeVtkData(grid, dm, vtkfile);
// Write data (not grid) in Matlab format