ME85-Lecture29

ME85-Lecture29 - Lecture 29 Transformations of Stress...

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Lecture 29 Transformations of Stress
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Cauchy Stress Tensor In 1824, Augustin Cauchy found that one can use the traction vectors on three independent planes to represent the stress state at one material point. By which, we mean that one can use the trac- tion components of three independent planes to uniquely represent those infinite possibilities. In practice, we usually use the traction components on three mutually perpendicular planes to represent the stress state at one material point. Augstin Louis Cauchy (1787-1857) French mathematician: `` Man dies, but his work lives.’’
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