NX Nastran DMAP Programmer's Guide - Kxcad.net

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Name Type and Description
ISKIP Integer. Counter to update penalty values in BGP; updates on first
pass and no update later.
ISOFLG Integer. Parameter for electromagnetic analysis.
ITAPE Integer. MACOFP module Fortran unit positioning option.
0 No action before write
-1 Rewind before write
-1 A new unit is mounted before write and rewind at end
-3 Rewind at start and end
-4 Dismount old unit and mount new unit.
INPUTT2/OUTPUT2 module Fortran unit positioning option.
+n Skip forward n data blocks before reading/writing
0 No action before reading/writing
-1 Rewind before reading/writing
-3 Print data blocks and then rewind before reading/writing
-9 Write a final EOF (OUTPUT2 only)
INPUTT4/OUTPUT4 module Fortran unit positioning option.
0 No action before reading/writing
-1 Rewind before reading/writing
-2 Rewind after reading/writing
-3 Rewind before and after reading/writing
ITERID Integer. Nonlinear analysis iteration count. Output by NLITER and
NLTRD2.
ITIME Real. Initial time step at the beginning of a subcase.
ITOPT Integer. Preconditioner method for iterative solver. See the
“SOLVIT” on page 1412 module description.
ITSEPS Integer. Power of ten for convergence parameter epsilon for iterative
solution method. On output, set to 0 for convergence and 1 for no
convergence.
ITSEPSR Real. Convergence parameter epsilon for iterative solution method.
ITSERR Integer. Iterative solver return code. Output by SOLVIT.
1 No convergence