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[Jan Stránský <question695647@xxxxxxxxxxxxxxxxxxxxx>]

Question #695647 on Yade changed:
https://answers.launchpad.net/yade/+question/695647

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

> I am new to Yade.

welcome :-)

> Is there any specific formula to calculate the Kt value.

No :-(
As the documentation says, set the value such that the macroscopic response of your sample match the desired value.
A few tests for different values should tell you the basic trend. You can try some extreme values, e.g. 0 and 100, then a few "normal" values, like 0.1, 0.2, 0.5.
The actual trend (and "a specific formula to calculate the Kt value") would be different for different geometry - particle size distribution, packing density (dense/loose), actual packing (structured/random/layered/...), .........

cheers
Jan

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