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huge difference of Young's modulus in sandwich structure

I am modeling a plate under three point bending with Abaqus. The plate
is a sandwich structure with aluminum plate (thickness: 5mm), adhesive glue (thickness:
0.02mm) and a kind of foam (thickness: 15mm) bonding together. Their Young’s
modulus is at the order of 100GPa, 1MPa and 100MPa. While in incremental
calculation, the job is always be aborted for not achieving convergence. I just
wonder whether the cause of not achieving convergence should be attributed to
the huge difference in Young’s modulus.

 

Does anyone know how to solve this problem?

Thanks in advance.

Shiwei

Comments

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Because I encounter some problem in looking for a suitable browser,
three same blogs have been submitted redundantly. I am sorry.

Shiwei

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