I believe Do wants the virtual parts to behave as if they were real. i.e. So that they cannot be positioned as shown, sharing the same space (in interference).
In other words with full time collision detection enabled.
Please clarify what exactly you want to know.
I mean, we defined total properties (Yield strength...etc) of the part (whether steel, aluminum...etc), it make sense to make a part as real as an actual object by making it a solid. It's a pain when you have a big assembly and have to do 'interference detection' all the time and at the same time fixing it.
Sometimes interference is a good thing - like when you need to find the volume of a cavity inside an assembly.
Alin Vargatu wrote: Sometimes interference is a good thing - like when you need to find the volume of a cavity inside an assembly.
Alin Vargatu wrote:
...or placing rebar in concrete.
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