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Virtual work in truss

  1. Mar 27, 2013 #1

    I am trying to calculate the vertical displacement at point C for the following diagram

    View attachment 57161

    So far i have calculated the forces in each member and i now need to calculate the Virtual forces!

    I applied a virtual load at point c of 1 KN.

    I also know that our structure is symmetrical!

    Can you please help me to continue

    Thank you
  2. jcsd
  3. Mar 27, 2013 #2


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    There's something wrong with your attachment. Please repost.
  4. Mar 27, 2013 #3
    ImageUploadedByPhysics Forums1364403252.981152.jpg
  5. Mar 27, 2013 #4
    I have calculated tge vertical displacement to be 0.0172 mm
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