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warning 312 & warning 5628

Hello,

while using optistruct these two warnings appeared in the text document.

How do we solve these problems?

best regards

Merve

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Hello,

while using optistruct these two warnings appeared in the text document.

How do we solve these problems?

best regards

Merve

Maybe the stiffness matrix is not stable if you use MAT9.

Maybe be you are constraining the nodes where you apply load ...

It could be also a units problem ...

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