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  1. ecspt

    validity limit for elastic deflection equation due to simple bending

    Hi all, I would like to know if the elastic deflection equation for transverse bending loadings : dy^2/dx^2=Mf(x)/EI is valid for any beam dimensions. The Beer Handbook Mechanics of Materials says it is valid for any cross section. However, is it valid for thin-walled beams? Dimensions like L=1...
  2. ecspt

    Why specify a maximum strength non-linear or linear analysis? Which is correct for rectangular tubes

    Hi All, I am an entry level engineer, and I am doing FEM analysis in the company I work in. I am analyzing rectangular tubes in static analysis. I am doing a linear analysis, with linear material properties. However, if I do a non-linear analysis, the results are quite different. The...

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