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Forums > Engineering Questions and Answers > Civil/Structural Engineering
principal stresses
Last Post 24 Jun 2014 04:47 AM by Alan Shear Shear. 0 Replies.
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Alan Shear Shear
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24 Jun 2014 04:47 AM
    formula of principal stresses:

    (Sx+Sy)/2 +- sqrt( [(Sx+Sy)/2]^2 + T^2 )

    I got Sx, Sy, and T in a complex format: a+bi

    I would like to know what is the correct way to compute the principal stresses:


    --- perform the calculations in a complex format and in the end compute the magnitude, or

    --- compute magnitude of Sx, Sy and T and replace in the formula of the principal stresses.

    Thank you
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    Forums > Engineering Questions and Answers > Civil/Structural Engineering