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magic2007 2012-6-12 03:12 PM

Von Mises yield criterion

[url=http://postimage.org/image/fkn9ywd8r/][img]http://s17.postimage.org/fkn9ywd8r/DSC_2185.jpg[/img][/url]anyone can tell me how to do 22.2???

Alice_ok 2012-6-14 07:06 AM

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(1)For hydrostatic stress, it means sigma1 = sigma2 = sigma3
(2)For uniaxial stress in tension, you may let sigma1=y_t, sigma2=sigma3=0 without loss of generality, where y_t is a positive variable.
(3)Similarly, for uniaxial stress in compression, you may let sigma1=y_c, sigma2=sigma3=0 without loss of generality, where y_c is a negative variable.

Try to use the above conditions to find out what you want.
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查看完整版本: Von Mises yield criterion