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Whose friction values are correct: SW's or Adams'?

Question asked by Eg Gloo on Mar 14, 2016
Latest reply on Mar 30, 2016 by Jim Riddell

Hi

 

I'm looking through some of the built-in friction values. Contrary to intuition, I notice that Rubber (dry) and Rubber (greasy) give the same values.

 

Screen Shot 2016-03-14 at 21.59.07.png

Screen Shot 2016-03-14 at 21.58.59.png

 

How come this is the case? Some of the references I've found, e.g., MSC Adams suggest vastly different values:

 

Screen Shot 2016-03-14 at 22.12.41.png

 

Any thought appreciated.

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