NX Nastran DMAP Programmer's Guide - Kxcad.net

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DSVGP4
Generates a perturbed multipoint constraint transformation matrix
DSVGP4 Generates a perturbed multipoint constraint transformation matrix
Generates a perturbed multipoint constraint transformation matrix for rigid element
shape sensitivity analysis.
Format:
DSVGP4 DGTAB,EQEXIN,GEOM4,RMG,GM,USET,CSTM,BPGDVP/
DELTGM,DVSLIS/
LUSET/NDVTOT/S,N,RGSENS $
Input Data Blocks:
DGTAB Table relating DTOS4 records and designed grid data. Correlation table
of internal grid sequence for the baseline and perturbed configuration.
EQEXIN Equivalence table between external and internal grid/scalar
identification numbers.
GEOM4 Table of Bulk Data entry images related to constraints, degree-offreedom
membership and rigid element connectivity.
RMG Multipoint constraint equation matrix
GM Multipoint constraint transformation matrix, m-set by n-set.
USET Degree-of-freedom set membership table for g-set.
CSTM Table of coordinate system transformation matrices.
BGPDVP Basic grid point definition table for the forward (or central) perturbed
configuration.
Output Data Blocks:
DELTGM Multipoint constraint transformation matrix for the perturbed
configuration.
DVSLIS List of design variables affected by shape variations.
Parameters:
LUSET Input-integer-default=0. The number of degrees-of-freedom in the
g-set.
NDVTOT Input-integer-default=0. Number of unique referenced design
variables.
RGSENS Output-logical-default=FALSE. Rigid element sensitivity flag.