failed when reduce time step integration

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e.roknabadi
Posts: 5
Joined: Sun Apr 19, 2009 10:53 am
Location: http://webedu.srbiau.ac.ir

failed when reduce time step integration

Post by e.roknabadi »

my model is a 3D structure with fiber elements.

when I run model with time step = 0.01 sec, it converges, but with time step = 0.005 and 0.008 , it doesn't converge. why?
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silvia
Posts: 3909
Joined: Tue Jan 11, 2005 7:44 am
Location: Degenkolb Engineers
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Post by silvia »

i don't know.
likely, the large time step misses a peak.
Silvia Mazzoni, PhD
Structural Consultant
Degenkolb Engineers
235 Montgomery Street, Suite 500
San Francisco, CA. 94104
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