A problem discovered in using Autodesk force effect to analyze the tru

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aerograce
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The Fink truss is my model. In analyzing this structure, autodesk doesn't give me the desired result. Look at point F, it doesn't reach equilibrium. I don't know why, but shall we continue to use this app in analyzing truss structures?
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It's kind of hard to follow your problem, since you jump right into the middle of it.

There are free truss analyzers which can be downloaded off the net. I would check you truss with one of these.
This is a pretty good package: http://www.grapesoftware.mb.ca/
 
Thanks for your advice. Just by lookijg at point F, it doesn't reach equilibrium. But maybe I am wrong, so I want to verify it