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Boundary Condition for Closed System

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Old   April 21, 2009, 04:50
Default Boundary Condition for Closed System
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Hi Everyone,

I do my project on Simulating biodiesel flow pattern in M-system combustion engine. Can Anyone telling me how to set my boundary condition?, because it's a closed system. There's only input and no output. What I've try is:
  1. Input : velocity inlet. ---> result is dissappointing.
  2. Slicing the volume and applying pressure inlet for one side, and pressure outlet for another --->
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