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Blade Rotation, Density Based Solve

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Old   July 28, 2016, 10:38
Default Blade Rotation, Density Based Solve
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I want to solve balde rotation problem. Its radius nearly 2 meter and its rotational velocity 6000RPM.
But I can not converge this problem with fluent. I use density based option, and decrease courant number but when Its rmp value exceed 500,600 The solution is diverged. The air properties is ideal gas because of high mach number.

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