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Displacement and Deflection

  1. Dec 7, 2014 #1
    Hi I am tackling a question which combines Beam deflection with Bending Virtual Load.
    I am wondering whether the displacement found at a point through complementary energy (virtual load) is the same an the deflection through beam integration at that same point?

    It maybe a stupid question but I'm struggling to tell the difference!
  2. jcsd
  3. Dec 7, 2014 #2
    Sorry just to clarify when I said displacement I mean the transverse displacement (usual symbol is v).
  4. Dec 7, 2014 #3


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    Staff Emeritus
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    If the two deflections aren't equal, then there is a problem somewhere. You can always analyze a simple problem from a beam table (like a cantilever, for instance) using the two methods to check.
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