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Contour Integral at interface between different materials

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ruham

ruham

Mechanical
Oct 22, 2013
8
Hi all,

I need to calculate the j-integral at the interface of two different materials with significally different stiffnesses. If I use two materials with nearly the same stiffness in this model the analysis works well. But if the stiffnesses differ significally the analysis doesn't converge. Does anyone know a workaround to make it run anyway?
 
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