NX Nastran DMAP Programmer's Guide - Kxcad.net

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DSAW
Calculates delta-weight and/or delta-volume for each design variable
DSAW Calculates delta-weight and/or delta-volume for each design variable
Calculates the delta-weight and/or delta-volume for each design variable.
Format:
DSAW DRSTBL,TABEV2,VELEM,VELEMN,R1TABR/
DELVS,WTCRID,WTDSCP/
CFDFLG $
Input Data Blocks:
DRSTBL Table containing the number of retained responses for each subcase for
each of the response types.
TABEV2 Merged cross reference table of TABEVP and TABEVS.
VELEM Table of element lengths, areas, and volumes.
VELEMN Table of element lengths, areas, and volumes for the perturbed
configuration.
R1TABR Table of retained first level (direct) (DRESP1 Bulk Data entry)
attributes.
Output Data Blocks:
DELVS Matrix of delta volume for all design variables
WTCRID Table of retained weight responses with column and row numbers in
rigid mass matrix
WTDSCP Partitioning vector for weight
Parameter:
CFDFLG Input-integer-default=0. Central finite difference flag. 1 means forward
and -1 backward.