The sizes are set with parameter statements. To increase BASE from the standard 300000 to 1000000, the main program (usually called Postpafec with an extension indicating a fortran file eg POSTPAFEC77.FTN or POSTPAFEC77.FOR) must be edited as follows :
PARAMETER ( PSIZ = 300000 ) to be PARAMETER ( PSIZ = 1000000 )
In a similar way the maximum number of nodes (PNOD),materials (PMAT) and
transformations (PTRF) can be enlarged.