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Maximum shear stress on a given plane?

  1. Feb 17, 2015 #1
    I want to know the maximum shear stress acting on the y-z face(plane). I already know all 6 stress components: Sxx, Syy, Szz, Sxy, Syz, Sxz. The shear components on the y-z face are Sxy and Sxz, which are orthogonal to each other. Is the maximum shear on this plane simply the greater of the two, or is there one more transformation needed?
  2. jcsd
  3. Feb 17, 2015 #2
    Neither. It's the resultant of Sxy and Sxz.

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