Exporting the mesh into a file

In some cases, you may want to export the GMSH geometry into a file (e.g., export a figure to visualize the geometry in a parametric study). This can be achieved by using the following code in the generate_mesh function:

# Export the geometry
gmsh.model.geo.synchronize()
gmsh.fltk.initialize()
export_dir = "results_" + self.name
gmsh.write(f"{export_dir}/geometry_{crack_points[-1][0]}_{crack_points[-1][1]}.svg")
gmsh.fltk.finalize()

The file extension in the gmsh.write() call can be modified to export using different field formats.

Tip

Add this code before calling gmsh.model.mesh.generate when exporting an image. Otherwise, the full mesh will be exported, which can result in longer export duration and much larger file size.