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rewrite initialization of module

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ATTENTION: code will throw errors on compilation!
This commit is contained in:
Max Luebke 2022-01-17 14:20:53 +01:00
parent e8dae917d5
commit 29fc70ce1a
2 changed files with 79 additions and 42 deletions
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63
src/BTCSDiffusion.cpp
View File

@ -3,6 +3,7 @@
#include <Eigen/SparseLU>
#include <algorithm>
#include <cassert>
#include <iomanip>
#include <iostream>
#include <tuple>
@ -12,26 +13,58 @@ const int BTCSDiffusion::BC_CONSTANT = 0;
const int BTCSDiffusion::BC_CLOSED = 1;
const int BTCSDiffusion::BC_FLUX = 2;
BTCSDiffusion::BTCSDiffusion(int x) : n_x(x) {
this->grid_dim = 1;
this->dx = 1. / (x - 1);
BTCSDiffusion::BTCSDiffusion(unsigned int dim) : grid_dim(dim) {
assert(dim <= 3);
// per default use Neumann condition with gradient of 0 at the end of the grid
this->bc.resize(2, std::tuple<bctype, double>(BTCSDiffusion::BC_CONSTANT, 0.));
grid_cells.resize(dim, 1);
spatial_discretization.resize(dim, 1);
deltas.resize(dim, 1);
}
BTCSDiffusion::BTCSDiffusion(int x, int y) : n_x(x), n_y(y) {
// this->grid_dim = 2;
// this->bc.reserve(x * 2 + y * 2);
// // per default use Neumann condition with gradient of 0 at the end of the
// grid std::fill(this->bc.begin(), this->bc.end(), -1);
std::vector<int> BTCSDiffusion::getNumberOfGridCells() {
return this->grid_cells;
}
BTCSDiffusion::BTCSDiffusion(int x, int y, int z) : n_x(x), n_y(y), n_z(z) {
// this->grid_dim = 3;
// TODO: reserve memory for boundary conditions
std::vector<int> BTCSDiffusion::getSpatialDiscretization() {
return this->spatial_discretization;
}
void BTCSDiffusion::setNumberOfGridCells(std::vector<int> &n_grid) {
grid_cells = n_grid;
assert(grid_cells.size() == grid_dim);
updateDeltas();
}
void BTCSDiffusion::setSpatialDiscretization(std::vector<int> &s_grid) {
spatial_discretization = s_grid;
assert(spatial_discretization.size() == grid_dim);
updateDeltas();
}
void BTCSDiffusion::updateDeltas() {
for (int i = 0; i < grid_dim; i++) {
deltas[i] = (double)spatial_discretization[i] / grid_cells[i];
}
}
// BTCSDiffusion::BTCSDiffusion(int x) : n_x(x) {
// this->grid_dim = 1;
// this->dx = 1. / (x - 1);
// // per default use Neumann condition with gradient of 0 at the end of the
// grid this->bc.resize(2, std::tuple<bctype,
// double>(BTCSDiffusion::BC_CONSTANT, 0.));
// }
// BTCSDiffusion::BTCSDiffusion(int x, int y) : n_x(x), n_y(y) {
// // this->grid_dim = 2;
// // this->bc.reserve(x * 2 + y * 2);
// // // per default use Neumann condition with gradient of 0 at the end of
// the
// // grid std::fill(this->bc.begin(), this->bc.end(), -1);
// }
// BTCSDiffusion::BTCSDiffusion(int x, int y, int z) : n_x(x), n_y(y), n_z(z) {
// // this->grid_dim = 3;
// // TODO: reserve memory for boundary conditions
// }
void BTCSDiffusion::simulate1D(std::vector<double> &c, double bc_left,
double bc_right,

58
src/BTCSDiffusion.hpp
View File

@ -42,36 +42,41 @@ public:
/*!
* Defines a closed/Neumann boundary condition.
*/
static const int BC_CLOSED;
static const int BC_CLOSED;
/*!
* Defines a flux/Cauchy boundary condition.
*/
static const int BC_FLUX;
/*!
* Defines a flux/Cauchy boundary condition.
*/
static const int BC_FLUX;
/*!
* Create 1D-diffusion module.
*
* @param x Count of cells in x direction.
*/
explicit BTCSDiffusion(int x);
BTCSDiffusion(unsigned int dim);
/*!
* Currently not implemented: Create 2D-diffusion module.
*
* @param x Count of cells in x direction.
* @param y Count of cells in y direction.
*/
explicit BTCSDiffusion(int x, int y);
std::vector<int> getNumberOfGridCells();
std::vector<int> getSpatialDiscretization();
void setNumberOfGridCells(std::vector<int> &n_grid);
void setSpatialDiscretization(std::vector<int> &s_grid);
/*!
* Currently not implemented: Create 3D-diffusion module.
*
* @param x Count of cells in x direction.
* @param y Count of cells in y direction.
* @param z Count of cells in z direction.
*/
explicit BTCSDiffusion(int x, int y, int z);
// /*!
// * Currently not implemented: Create 2D-diffusion module.
// *
// * @param x Count of cells in x direction.
// * @param y Count of cells in y direction.
// */
// explicit BTCSDiffusion(int x, int y);
// /*!
// * Currently not implemented: Create 3D-diffusion module.
// *
// * @param x Count of cells in x direction.
// * @param y Count of cells in y direction.
// * @param z Count of cells in z direction.
// */
// explicit BTCSDiffusion(int x, int y, int z);
/*!
* With given ghost zones simulate diffusion. Only 1D allowed at this moment.
@ -109,6 +114,8 @@ private:
double getBCFromTuple(int index, double nearest_value, double neighbor_alpha);
void updateDeltas();
boundary_condition bc;
Eigen::SparseMatrix<double> A_matrix;
@ -118,12 +125,9 @@ private:
double time_step;
int grid_dim;
int n_x;
double dx;
int n_y;
double dy;
int n_z;
double dz;
std::vector<int> grid_cells;
std::vector<int> spatial_discretization;
std::vector<double> deltas;
};
#endif // BTCSDIFFUSION_H_