Hanson, Thomas J.

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Hanson, Thomas J.
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Hanson, Thomas J.

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  • Publication
    Experimental modal analysis of violin and similar thin plates by added point masses
    (Elsevier, 2012)
    O'Connor, William 
    ;
    Hanson, Thomas J. 
    Novel methods are proposed to measure the modal properties of thin plates, such as free violin plates (prior to assembly), simply and inexpensively, by measuring certain changes when a small mass is added to the resonating plate. Iso-amplitude contours and mode shapes can easily be plotted. Modal mass, stiffness and damping can also be inferred. Underlying theory is developed, and experimental and numerical modelling methods of validation are briefly outlined.
      687