visualization of 2D becomes 3D after optimization and extended density distribution

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  • Last Post 24 February 2020
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elineh posted this 23 February 2020

Hi,

 

I am analysing a simple 2D MBB Beam. I drew it and toggled the '2D-analysis' option, then, I performed an analysis and optimization. Now I have 2 questions:

1) Is it possible to view the density distribution of a material when it is optimized. Right now I can see 3 colours (red, brown and grey) but I would like to have a range of colours, so I can see exactly how discrete my solution is and what the density of every element is.

2) when I transfer my result back into Space Claim, to perform an analysis on the optimized result, ANSYS stretches my design into a long 3D beam, which is not my intention. Any idea how I can transfer my 2D optimized result so I can analyse it further?

Thank you very much

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peteroznewman posted this 23 February 2020

What is a MBB Beam?

1) Read this discussion, which mentions density in the output.

2)  In SpaceClaim, use the Select tool, click on the end face in the XY plane, Ctrl-C then Ctrl-V and you will have a surface. Now you can delete the solid.

elineh posted this 24 February 2020

Hi,

An MBB Beam is a simply supported beam of which only half is modelled since it is symmetrical. See figure 6 in this link: https://www.researchgate.net/publication/330853881_Topology_Optimization_Under_Uncertainty_by_Using_the_New_Collocation_Method

Anyhow, I found how to model the densities, I did it with a user defined result with expression ETOPO.

I will try to do as you said in SpaceClaim

thanks

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