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Thin film flow module (compute implicit height change from base velocity)

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Dear users

I am trying to verify a model with standard ISO-12131. The model is a tapered pad of a thrust bearing. Through the standard the minimum gap between sliding base and stationary wall is calculated as 43 micrometers, and using COMSOL it is 44 micrometers. However, when I select "compute implicit height change from base velocity" the minimum gap height reaches nearly 80 micrometers. As in the Application ID: 7707 this item is selected I want to know what this term really does and how it affects the reynolds equation? There is no information about this option in the manual and documentations!

Kind regards, Malek


0 Replies Last Post 2018年5月30日 GMT-4 02:04
COMSOL Moderator

Hello Malek Shahrani

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