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Lattice Beam Radius Change

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I am doing lattice optimization structure using optistruct. I can change POROSITY or LATLB in phase 1. But I want to make changes in the beams. In other words, I want to change the values such as the lattice beam radius, the thickness in the phase 2 (sizing optimization). Can I do this? 


Thank you,


Good work.


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Thank you for your answer.  


If I want to change beam properties, I should use specifying in the picture.



Can I change values such as beam thickness and radius with the following information?







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