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  1. skin85

    SDOF models

    well each natural frequency has an associated mode shape, I guess if mode 1 occured at 200Hz say, and a second mode at 11000Hz then dependent on your parameters you could assume SDOF. Im not sure about simplifying to SDOF in cosmos, maybe someone else has the answer. It maybe that other...
  2. skin85

    SDOF models

    Hi, The number of DOFs a system has is defined as the minimum number of independent co-ordinates required to determine the motion of any part of the system at any instant of time. The L bracket you described is an MDOF. The classic SDOF set-up is displayed at...
  3. skin85

    Cosmos2006 Modal Analysis Elastic Connectors

    Direct links to two key images.. http://aycu02.webshots.com/image/49321/2006006301205193201_rs.jpg http://aycu09.webshots.com/image/45968/2006068188094404701_rs.jpg
  4. skin85

    Cosmos2006 Modal Analysis Elastic Connectors

    Hi all, I'm attempting to verify some findings, in cosmos advanced professional, from a hammer test i have performed. The experiment is looking at the mode shapes of a brake rotor. For the hammer experiment the disc was suspended on bungees, four in total(through the hubs). Each with a spring...

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