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Hi,
Please i wonder always how can i choose the element size of a 3d body (60*80*400) for a topology optimization ? ho can i be sure for example that element size =4 is the perfect size of elements or no ?
Thank you
The choice depends to:
For exemple i choose element size = 4 for this solid body
and i get the result in picture 2 ( with MINDIM=12)
now how can i say that this element size is suffisant or not ? how can i say it's the right one or not ?
thank you
<?xml version="1.0" encoding="UTF-8"?>
Maybe try with size=3,2,1 and compare all?
if i will whange the size i will reconnect all the fix bolt (beacause i will loose the ID of élements connected with RBE3 ELEMENTS )
there is an solution to remesh only the inside of the solidbody without make any difference on the outsides elements connected with other body ?
Than you
HI,
There is no thumb rule for mesh size. You can do a mesh sensitivity analysis to get the right mesh size for your model and use the same for topology optimization.
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