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etrud011

Discontinous stresses after analysis

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Hello,

 

I have a double supported beam that I have divided into a non-design and design space. After running an optimization and generating the structure with ossremesh I did an FEA reanalysis on the model. When checking the stress contours I noticed that their were discontinuities between the design and non-design space. Running edge and face equivalence showed that there were no unconnected nodes. Both the design space and non-design space have the same material, but located in different properties.

 

image.png.554822efaa4d5ecb90e0693246f31675.png

 

image.thumb.png.cd5e3507a2987d875398c430144860f2.png

What could be the problem?

 

Thank you,

-Eric

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Hi Eric

 

I think it depends on how the "Simple Average" algorithm works.
By default, the averaging of components stops at component boundaries.

 

Try to set the switch at Contour->Average Options->Average across component boundary (Button below Averaging method).

 

If the structure is not connected by nodes (e.g. by contact only) it isn't possible.

 

Best Regards,

Mario

 

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