Thermo-elasticTopologyOptimization/examples/defined_model_writer/main.cpp

#include <spdlog/spdlog.h>
#include "Util.h"

int main() {
    using namespace da::sha::top;
    int len_x = 2;
    int len_y = 30;
    int len_z = 20;
    // NOTE: USER DEFINE GRID HERE
    //e.g. L-shape mesh
    Tensor3d L_shape_grid(len_x, len_y, len_z);
    L_shape_grid.setConstant(1);
    // set the initial voxel model
    for (int k = 0; k < len_z; ++k) {
        for (int j = 0; j < len_y; ++j) {
            for (int i = 0; i < len_x; ++i) {
                if (j >= len_y * 0.5 & k >= len_z * 0.5) {
                    L_shape_grid(i, j, k) = 0;
                }
            }
        }
    }
    std::string txt_path = ASSETS_DIR "/voxel_model/Lshape_model.txt";
    WriteTensor3d(txt_path, L_shape_grid);
    spdlog::info("Write user defined grid to file: {}", txt_path);
    // vtk
    std::string vtk_path = ASSETS_DIR "/voxel_model/Lshape_model.vtk";
    WriteTensorToVtk(vtk_path, L_shape_grid);
    spdlog::info("Visualize user defined grid to file: {}", vtk_path);

}