Tom Drill

Xpress using gravity in analysis???

Discussion created by Tom Drill on Jul 17, 2008
Latest reply on Jul 20, 2008 by 1-MWF61
I made a simplified, one body model of a frame we need to build, and I am using CosmosXpress in SW08 to analyze it. I'm wondering if Xpress is taking into account the weight of the frame in the analysis. I have material properties assigned and the frame weighs about 3000 lbs. When I run the analysis, with no loads (1 lb load), it moves, but very little. When I add a 3000 lb load to the frame, it moves quite a bit more.

The total load is 6000 lbs (load plus weight of frame), but I am not sure if I need to run my analysis at 6000 lbs (3k lb load plus 3k lb for the weight of the frame), or at 3k lbs (3k lb load and the weight of the frame is already incorporated via material properties. Please help.