.mgg file

The .mgg file is an ASCII format results file.

File Creation

This file is created when PARAM,PRTMGG,YES is specified in the model.

File Contents

This file contains the mass matrix output sorted by Grid points and subsequently by the corresponding degrees-of-freedom.

File Format

The file of lines beginning with COLUMN that identifies the grid and degree-of-freedom pair of interest. The mass value for this degree-of-freedom is printed in the subsequent line after COLUMN. If any degrees-of-freedom have NULL mass, then this is clearly identified as so.


  1. The corresponding filename is used directly to name the .mgg file, that is the .mgg file is output as <filename>.mgg.