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Computing lateral strain

  1. Jan 15, 2014 #1
    I'm trying to compute lateral strain for a bar (strain that would make it thicker, or have more cross sectional area).

    All I know are the initial and final diameters. This gives me d1 and Δd.

    Would the lateral strain be Δd/d or ΔA/A? (A is area)
     
  2. jcsd
  3. Jan 16, 2014 #2
    The former
     
  4. Jan 19, 2014 #3
    Δd/d
     
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