Tidbit

Femap and Accel1 Nastran cards

Working with ACCEL1 cards?  Getting NX Nastran fatal SYSTEM FATAL MESSAGE 3094 (SSGSLT)? Femap recently came out with support with ACCEL1 cards.  This started with v11.2.  Nastran ACCEL1 cards are great for applying localized nodal acceleration as a boundary condition.  Alternatively, GRAV cards (body acceleration) can be used, but they have a…