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Rank Deficient
I am running an extensive FEMAP model and I keep getting the following errors: *** USER WARNING MESSAGE 6137 (UDSNRD) INPUT MATRIX IS RANK DEFICIENT, RANK = 12720 IERROR USER ACTION: CHECK MODEL User information: One of your matrices is singular. See the NX NASTRAN...- dfanfan
- Thread
- Replies: 9
- Forum: Siemens: Femap
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MWFRS vs C&C
I have a weather/sound enclosure for a piece of rooftop equipment that I am running a finite element model for 150 mph winds (Miami-Dade). The enclosure is 25 ft by 9 ft in plan and stands about 10 ft high. (Attached is a picture of my NASTRAN model) It is made of 5052 H32 aluminum and I am...- dfanfan
- Thread
- Replies: 6
- Forum: ASCE (civil) Code Issues
