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[Jan Stránský <question691913@xxxxxxxxxxxxxxxxxxxxx>]

Question #691913 on Yade changed:
https://answers.launchpad.net/yade/+question/691913

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

> I want to ask the mechanism of O. Cell.Velgrad, What is the loading
mechanism of O. Cell.Velgrad,

O.cell.velGrad (not Cell and not Velgrad) is velocity gradient of the periodic cell (see e.g. [1])
If this is not your answer, please describe more what is "mechanism" and "loading mechanism".

> if it is used to simulate the simple shear test(like
O.cell.velGrad=Matrix3(0,0,0, 0,0,0, 0.02,0,0)), is it reasonable?

yes

> Also there is another way ...

there are many other ways

> What are the differences between the above two methods of simulating a
simple shear test..

Is this a question? If yes, please put question mark "?" at the end of
questions.

cheers
Jan

[1] https://www.continuummechanics.org/velocitygradient.html

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