boundary setting when simulate a half model
Hello everyone,
I want to simulate the gas flow in a two-stroke engine, and the geometry is symmetry. So i want to simulate only half of it to reduce the simulation time. How should i set the boundary type of the section profile. Is that right to set the boundary type as "symmetry"? |
Hello,
If you're simulating gas exchange, we recommend a full 3-D simulation, even if the geometry is symmetric. Sector simulation (using periodic boundary conditions) is appropriate for closed-cycle simulations of engines that are swirl-dominated. Best regards, Tristan |
Quote:
Thanks for your reply! Although it is not recommended to use sector simulation when simulate gas exchange, if i use a half model, which boundary type should i choose for the profile. Sincerely! hyhui |
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