Enable surface regions on assembly cuts

[JonathanHodgson]

There are various good reasons to use assembly cuts in your models; and there is often a necessity to use surface regions when setting up a Simulate analysis.

Unfortunately, at present this is not possible as I believe surface (and volume) regions must exist at the part level.

A method to enable creation of surface regions on a surface resulting from an assembly cut would avoid the need for clumsy work-arounds such as duplicating the assembly cut geometry in each part (thereby losing design intent), or exporting the assembly as a STEP file before re-importing it and analysing it as a 'dumb solid' (thereby losing parametric capabilities).

[danderson]

Have you tried making the components/features and or the assemlies flexible on the fly in your simulation? One issue i have found is that assembly level features can force 2 parts to act as one ridged part which some times takes away degrees of freedom. Also if you want to use the same simulation model in a mentor graphics FLOEFD cfd you can't as FLOEFD doesn't support assemly features as it's not able to determine what to take and break up at the assembly level features and push the pieces into the components for meshing.

[olivierlp]

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