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3D Added mass

  1. Sep 10, 2013 #1
    Hi!

    I am trying to compute the natural frequency of a system and I also need to add the added mass term to my equation. The object I have is a torus and is basically in heaving motion. I found a good paper, which gives a formula for 3d added mass and 2d added mass.

    I would figure that I have to use the 3d added mass formula, correct? But when and why do you need to use the 2D added mass?

    Thanks!
     
  2. jcsd
  3. Sep 11, 2013 #2
  4. Sep 11, 2013 #3

    Drakkith

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    Staff: Mentor

    Just give it a little time. Your question is very specific and not general knowledge to most of us.
     
  5. Sep 11, 2013 #4

    AlephZero

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    Science Advisor
    Homework Helper

    A reference to the paper would help as well - or at least some clues about what you mean by "heaving motion of a torus".
     
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