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I'm having problems removing the blue colored volumes from my COMSOL geometry. I want to remove them in a way that the resulting pipe system doesn't have any holes in it. Another way to put it: I want to cut off the "excess pipe".

My current COMSOL geometry

I have tried all boolean operations COMSOL provides, but nothing seems to be useful to my problem. Which COMSOL tool can i use to achieve my geometry described above?

Timo Jakumeit
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1 Answers1

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It is certainly possible to achieve this using a combination of boolean operations. But generally, the easiest way is to unite the objects, split them along interior boundaries, and delete the excess volumes:

  • Add a "Union" operation.
  • Add all objects or the relevant subset to the "input objects" selection.
  • Leave the option "Keep interior boundaries" checked (the default).
  • Add a "Split" operation and select the union as input object.
  • Add "Delete Entities" and select "Object" from "Geometric entity level".
  • Select all excess volumes.

Obviously, the original objects all have to properly overlap for this to work.

john-hen
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