4 Replies Latest reply on Sep 16, 2015 3:41 PM by Gaelle Garozzo

    Lids in flow and heat analysis

    Gaelle Garozzo
    Gaelle Garozzo Sep 14, 2015 7:34 PM

      Hello,

       

      I need to creating a simulation in solidworks flow with both flow and heat transfer. I created lids to define the fluid domain however I do not want them to be part of the thermal analysis since they are not real parts of the assembly. Is there a way to exclude these lids?

       

      Thanks in advance

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        • Re: Lids in flow and heat analysis
          Adam McNicholls
          Adam McNicholls Sep 15, 2015 5:17 AM (in response to Gaelle Garozzo)

          In SW2013 with Flowsim 2013 it is done like this:

           

          Top toolbar > Flow Simulation > Component control

          Un-tick the boxes in each row of your lid parts. (These should be called LID1-1 LID2-1.... etc... )

           

          They should then be omitted from the study.

            • Re: Lids in flow and heat analysis
              Gaelle Garozzo
              Gaelle Garozzo Sep 15, 2015 4:29 PM (in response to Adam McNicholls)

              Hi Adam,

               

              Thank you for the response. I tried to do that but when I un-tick the lids, it seems that the geometry created by the lids unresolves and that the bondary condition that was on the surface of the lid is deactivated.

               

              Is there a way to prevent that?

               

              Thanks

                • Re: Lids in flow and heat analysis
                  Adam McNicholls
                  Adam McNicholls Sep 16, 2015 4:13 AM (in response to Gaelle Garozzo)

                  Hi Gaelle,

                   

                  Without looking at your project, I am only guessing. It is probably best not to use lids to define the fluid domain.

                   

                  Could you instead create a new configuration of the part containing the holes, and suppress your hole features?

                  Unless you specifically need a fluid to flow through the holes that would work. However, If you need the fluid to flow through those holes why create a fluid boundary there?

                   

                  Adam

                    • Re: Lids in flow and heat analysis
                      Gaelle Garozzo
                      Gaelle Garozzo Sep 16, 2015 3:41 PM (in response to Adam McNicholls)

                      Hi Adam,

                       

                      I have those lids to define the domain of the fluid and the fluid is flowing through those holes. I actually found a way to suppress the lids from the heat analysis by defining its material as an insulator. I used to use another program before for CFD simulation and you could apply the boundary condition directly to the fluid once the fluid domain was created but I don't think there is a way to do that with Solidworks. Or is there?

                       

                      Thank you very much for all your help, it is much appreciated!

                       

                      Gaelle