NX Nastran DMAP Programmer's Guide - Kxcad.net

MGEN Creates virtual fluid mass matrices
Creates virtual fluid mass matrices.
Format:
MGEN CASECC,MATPOOL,EST,CSTM,BGPDT/
MCHI,MLAM,GEG,MAR,MCHI2,MLAM2/
LUSET/S,N,NOMGEN/UNUSED3/WTMASS/UNUSED5 $
Input Data Blocks:
CASECC Table of Case Control command images.
Output Data Blocks:
Parameters:
MGEN
Creates virtual fluid mass matrices
MATPOOL Table of Bulk Data entry images related to hydroelastic boundary, heat
transfer radiation, virtual mass, DMIG, and DMIAX entries.
EST Element summary table.
CSTM Table of coordinate system transformation matrices.
BGPDT Basic grid point definition table.
MCHI Matrix relating displacements to source strengths
MLAM Matrix relating element forces to source strengths
GEG Element displacement interpolation matrix
MAR Table of virtual mass element areas.
MCHI2 Secondary matrix relating displacements to source strengths
MLAM2 Secondary matrix relating element forces to source strengths
LUSET Input-integer-no default. The number of degrees-of-freedom in the
g-set.
NOMGEN Output-integer-default=-1. Fluid mass existence flag. Set to the
MFLUID set identification number if MFLUID is specified in CASECC.
unused3 Input-real-default=0.0. Unused.
WTMASS Input-real-default=1.0. Specifies scale factor on structural mass matrix.
unused5 Input-integer-default=-1. Unused.
119