FEMResults.save FEMResults.save(file, ftype='vtx', overwrite=True, t=0.0)[source] Save the FEM result to disk. Parameters: file (str) – Output filename without mandatory extension. ftype (str, optional) – Storage format, such as "vtx", "xdmf", or the legacy .sres format. overwrite (bool, optional) – Control mesh rewriting for XDMF output. t (float, optional) – Time stamp written with transient outputs.