NX Nastran DMAP Programmer's Guide - Kxcad.net

DYNAMIC
Table of Bulk Data entry images related to dynamics
Word Name Type Description
5 NEF I Number of frequencies
6 BIAS RS Clustering bias parameter
Record 17 – FREQ4(1507,15,40)
Word Name Type Description
1 SID I Set identification number
2 F1 RS Lower bound of modal frequency range
3 F2 RS Upper bound of modal frequency range
4 FSPD RS Frequency spread
5 NFM I Number of evenly spaced frequencies per
spread
Record 18 – FREQ5(1607,16,41)
Word Name Type Description
1 SID I Load set identification number
2 F1 RS Lower bound of modal frequency range
3 F2 RS Upper bound of modal frequency range
4 FRI RS Fractions of natural frequencies
Word 4 repeats until End of Record
Record 19 – NOLIN1(3107,31,127)
Word Name Type Description
1 SID I Load set identification number
2 GI I Grid, scalar, or extra point identification
number of I
3 CI I Component number for GI.
4 S RS Scale factor
5 GJ I Grid, scalar, or extra point identification
number of J
137