tug/examples/BTCS_2D_proto_example.cpp
Max Lübke 8456f2212d BREAKING CHANGE: tug as header-only library
build: installation of library is now possible
2023-10-19 12:20:39 +02:00

87 lines
2.7 KiB
C++

#include <Eigen/Eigen>
#include <tug/Simulation.hpp>
using namespace Eigen;
using namespace tug;
int main(int argc, char *argv[]) {
// EASY_PROFILER_ENABLE;
// profiler::startListen();
// **************
// **** GRID ****
// **************
// profiler::startListen();
// create a grid with a 20 x 20 field
int row = 40;
int col = 50;
Grid64 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);
MatrixXd concentrations = MatrixXd::Constant(row, col, 0);
concentrations(10, 10) = 2000;
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.setBoundarySideClosed(BC_SIDE_LEFT);
bc.setBoundarySideClosed(BC_SIDE_RIGHT);
bc.setBoundarySideClosed(BC_SIDE_TOP);
bc.setBoundarySideClosed(BC_SIDE_BOTTOM);
// bc.setBoundarySideConstant(BC_SIDE_LEFT, 0);
// bc.setBoundarySideConstant(BC_SIDE_RIGHT, 0);
// bc.setBoundarySideConstant(BC_SIDE_TOP, 0);
// bc.setBoundarySideConstant(BC_SIDE_BOTTOM, 0);
// (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
// VectorXd bc_zero_values = VectorXd::Constant(20,0);
// bc.setBoundaryConditionValue(BC_SIDE_LEFT, bc_zero_values);
// bc.setBoundaryConditionValue(BC_SIDE_RIGHT, bc_zero_values);
// VectorXd bc_front_values = VectorXd::Constant(20,2000);
// bc.setBoundaryConditionValue(BC_SIDE_TOP, bc_front_values);
// bc.setBoundaryConditionValue(BC_SIDE_BOTTOM, bc_zero_values);
// ************************
// **** SIMULATION ENV ****
// ************************
// set up a simulation environment
Simulation simulation =
Simulation(grid, bc); // grid,boundary
// set the timestep of the simulation
simulation.setTimestep(0.1); // timestep
// set the number of iterations
simulation.setIterations(300);
// set kind of output [CSV_OUTPUT_OFF (default), CSV_OUTPUT_ON,
// CSV_OUTPUT_VERBOSE]
simulation.setOutputCSV(CSV_OUTPUT_XTREME);
// **** RUN SIMULATION ****
// run the simulation
// EASY_BLOCK("SIMULATION")
simulation.run();
// EASY_END_BLOCK;
// profiler::dumpBlocksToFile("test_profile.prof");
// profiler::stopListen();
}