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Boundary condition for journal bearing

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Old   July 13, 2015, 08:45
Default Boundary condition for journal bearing
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swagat
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I am trying to solve a problem of Journal Bearing using FLUENT. Basically it is the lubricating oil between shaft and bearing. The gap between shaft and bearing is very small (in microns).Shaft rotates and bearing fixed. I want to know which boundary conditions should be used to solve this problem?
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Old   July 14, 2015, 05:01
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shahrooz
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no sleep on both walls, which equals to zero speed on bearing and speed of the shaft on shaft wall.
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