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mata

       'mata' <Material-Nr> <set>

This keyword is used to assign a material-number to certain elements. So far this feature is usefull only if you use nastran as a solver. The material-number is an numeric attribute to the each element of the mesh and will be stored with the mesh if the frd-format or nastran-format is used (see send). For example
mata 7 part
assigns the material-number 7 to all elements in the set part. Elements can have just one material-number. The default number is 1. This numbers will be saved with the mesh if the database is written to the file-system with the command:
send all frd or send all nas
If the frd-file is used later the material-numbers are available from the beginning.