Experimental Modal Analysis

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1SOUND AND VIBRATION/JANUARY 2001Often times, people ask some simple questions regardingmodal Analysis and how structures vibrate. Most times, it isimpossible to describe this simply and some of the basic un-derlying theory needs to be addressed in order to fully explainsome of these concepts. However, many times the theory is justa little too much to handle and some of the concepts can bedescribed without a rigorous mathematical treatment. Thisarticle will attempt to explain some concepts about how struc-tures vibrate and the use of some of the tools to solve struc-tural dynamic problems.

SOUND AND VIBRATION/JANUARY 2001 1 Often times, people ask some simple questions regarding modal analysis and how structures vibrate. Most times, it is

  Analysis, Experimental, Modal, Experimental modal analysis