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optimise a solid block for forces acting vertically

I am trying to optimise a solid block for forces acting vertically on the surface and two of the sides fixed. I ran a similar analysis on abacus, and got the expected result. In Hyperworks am getting a weird analysis resulting in weird topology optimal structure. I want to perform a topology optimisation on the block and find the optimal final structure. I am using HW 14 edition for my analysis. I need someone with expertise to check the loading, BC and let me know the mistake.

Attached is the HyperWorks file. and the force loadings

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Altair Forum User

Hi Dinesh,

Can you share the model file?

You shared .mvw file but it is no use without model file.

Altair Forum User

Sorry i did not notice that,

Here is the HM file

Unable to find an attachment - read this blog

Altair Forum User

Hi @dineshgoundla

Try to move the elements where the boundary conditions and loads are applied to a different collector and make them as non-design space.

With all elements in design space may not give you a good result.