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    • Quadratic mode shape components from ground vibration testing 

      Van Zyl, L.H.; Mathews, E.H. (ASME, 2012)
      Points on a vibrating structure generally move along curved paths rather than straight lines. For example, the tip of a cantilever beam vibrating in a bending mode experiences axial displacement as well as transverse ...
    • Quadratic mode shape components from linear finite element analysis 

      Van Zyl, L.H.; Mathews, E.H. (ASME, 2012)
      Points on a vibrating structure move along curved paths rather than straight lines; however, this is largely ignored in modal analysis. Applications where the curved path of motion cannot be ignored include beamlike ...