tug/examples/FTCS_2D_proto_example.cpp

65 lines
1.8 KiB
C++

/**
* @file FTCS_2D_proto_example.cpp
* @author Hannes Signer, Philipp Ungrund
* @brief Creates a prototypical standard TUG simulation in 2D with FTCS approach
* and constant boundary condition
*
*/
#include <tug/Simulation.hpp>
int main(int argc, char *argv[]) {
// **************
// **** GRID ****
// **************
// create a grid with a 20 x 20 field
int row = 20;
int col = 20;
Grid grid = Grid(row,col);
// (optional) set the domain, e.g.:
// grid.setDomain(20, 20);
// (optional) set the concentrations, e.g.:
// MatrixXd concentrations = MatrixXd::Constant(20,20,1000); // #row,#col,value
// grid.setConcentrations(concentrations);
// (optional) set alphas of the grid, e.g.:
// MatrixXd alphax = MatrixXd::Constant(20,20,1); // row,col,value
// MatrixXd alphay = MatrixXd::Constant(20,20,1); // row,col,value
// grid.setAlpha(alphax, alphay);
// ******************
// **** BOUNDARY ****
// ******************
// create a boundary with constant values
Boundary bc = Boundary(grid, BC_TYPE_CONSTANT);
// (optional) set boundary condition values for one side, e.g.:
// VectorXd bc_left_values = VectorXd::Constant(20,1); // length,value
// bc.setBoundaryConditionValue(BC_SIDE_LEFT, bc_left_values); // side,values
// ************************
// **** SIMULATION ENV ****
// ************************
// set up a simulation environment
Simulation simulation = Simulation(grid, bc, FTCS_APPROACH); // grid,boundary,simulation-approach
// (optional) set the timestep of the simulation
// simulation.setTimestep(0.01); // timestep
// (optional) set the number of iterations
simulation.setIterations(20);
// **** RUN SIMULATION ****
// run the simulation
simulation.run();
}