Talk:Von Mises Failure Criteria

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[edit] Ratio of the yield and ultimate strengths.

I believe your sentence, "It is most applicable to ductile materials where the ratio of the yield and ultimate strengths is near 0.577." should better read " It is most applicable to ductile materials where the ratio of the shear yield to tensile yield strengths is appx. 0.577, or 1 over the square root of 3.


You are right, this was my mistake.

-samba6566

[edit] Subscript order in third term of local coord equation

Since the third term is squared, it does not matter whether the sigma(x) or the sigma(z) come first (mathematically). The mathematical convention, however, is that the terms are presented in order, x then y then z with there complimentary terms following each. —The preceding unsigned comment was added by Samba6566 (talk • contribs) 23:17, 2 March 2007 (UTC).

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