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RIKS analysis

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chrisj85

Civil/Environmental
Joined
Sep 23, 2011
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3
Location
AU
Is there any method to estimating the arc length, and a good initial arc increment?..............

I'm conducting a RIKS analysis using Abaqus, the analysis proceeds to a certain point then the inc/LPF values become negative and the analysis terminates when the maximum specified increments are reached.

When I look at the odb the von mises appear to follow a cyclic pattern

 
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