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Shock-tube test in Fluent

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Old   July 5, 2006, 15:35
Default Shock-tube test in Fluent
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Guys, I'm beginning with Fluetn and am trying to model a shock tube test in it. Can you suggest a tutorial or example or description how to do this? There's no unsteady case in any of the tutorials I have and could not find anything on the web similar to shock tube. I only managed to initialize the domain "correctly" (I mean the displayed contours of pressure, velocity and temperature look ok after initialization). Whatever combination of BC, time step, number of steps, iterations, mesh size etc I try I still get the same pressure contours after iteration. Further, the calculated velocities are huge (always in the range of 0 to 352m/s), though initial velocities are zero and convergence is reached after around 100 iterations.
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