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I tried to do some load and oscillations calculations based on these equations and I have a question on how manufacturers specify elasticity.

It is often stated in % elongation E as a function of tension T (e.g.), but while doing simulations one needs to specify elongation constant k of Hook's law:

T = k (L-L0) = kEL0

where L0 is the length before tensioning and L after.

Thus tension is related to % elongation and length also!

My questions are:

  1. is this correct ?
  2. if yes at which length manufacturers specify elongation curve ? I can't find the info on any manufacturer website

Thanks!

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    Young Modulus. Have fun. en.wikipedia.org/wiki/Young%27s_modulus
    – llama
    Commented Apr 8 at 12:25
  • Hook's law is wrong. In the same sense Newton was wrong. If ya need high precision higher harmonics need to be considered. Just decide what error margin is cool.
    – Vorac
    Commented Jun 24 at 13:38

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