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file type for simulation

User: "Altair Forum User"
Altair Employee
Updated by Altair Forum User

hellow , i have a question;

 I have to make a fluid dynamics simulation to a formula sae car, but for the machine files I have a file solidworks 'assembly'.

if I create a file .iges  this is very heavy because I have a lot of machine components, if i create a file .stl this export  only lines and create complex surface in hypermesh is not simple.

How can I fix the problem ?

I have to change the file type? 

can i use some program that allows me to make my geometry suited to a simulation ?

Thanks :D/emoticons/default_biggrin.png' srcset='/emoticons/biggrin@2x.png 2x' title=':D' width='20'> 

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