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Internal and External Analysis - SolidWorks Flow Simulation |
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October 8, 2024, 21:10 |
Internal and External Analysis - SolidWorks Flow Simulation
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#1 |
New Member
Join Date: Oct 2024
Posts: 2
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Hi,
I would like to perform some analyses containing both internal and external flow at the same time. For example, in an empty and completely sealed box, I would like to simulate an external flow with a certain velocity and observe the behavior of the internal fluid. If I define the analysis as external and set a velocity, will this velocity also be applied to the internal volume? I ran some simulations, and apparently, the internal fluid is not affected by the external air velocity defined in the wizard, but I would like to be sure. I know there is the possibility of using the fluid subdomain function. However, what I noticed is that when defining the internal fluid’s velocity, pressure and temperature, they remain fixed (I could be wrong). I wouldn’t want these boundary conditions to be fixed. I would like the internal fluid to move freely, for example, when I insert a heat source inside this internal fluid. Are these boundary conditions in the fluid subdomain just the initial condition of the fluid? |
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October 10, 2024, 12:19 |
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#2 |
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Florian
Join Date: Feb 2015
Location: Germany
Posts: 17
Rep Power: 11 |
Hi Eriador,
Yes, it's possible to have two separate fluid domains. As you've expected, the conditions in the subdomain window serve as initial conditions. If you apply a heat source and gravitational force, a natural convection will develop. Best regards Florian |
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October 10, 2024, 14:54 |
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#3 |
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Join Date: Oct 2024
Posts: 2
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Hi Florian,
Thank you for your help! |
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