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(A Simple Non-Mathematical Presentation)
Experimental modal analysis A Simple Non-Mathematical Presentation1 modal analysis and Controls LaboratoryPeter Avitabile Rev 052700 D R A F T D O C U M E N T for Sound&Vibration MgazineUniversity of Massachusetts LowellModal analysis and Controls LaboratoryUniversity of Massachusetts LowellM A C LEXPERIMENTAL modal analysis (A Simple Non-Mathematical Presentation) Peter AvitabileModal analysis and Controls LaboratoryMechanical Engineering DepartmentUniversity of Massachusetts LowellLowell, Massachusetts USAP refaceOften times, people ask some Simple questions regarding modalanalysis and how structures vibrate. Most times, it is impossibleto describe this simply and some of the basic underlying theoryneeds to be addressed in order to fully explain some of , many times the theory is just a little too much to handleand some of the concepts can be described without a rigorousmathematical treatment.
explanation of modal analysis. So, basically, modal analysis is the study of the natural characteristics of structures. Understanding both the natural frequency and mode shape helps to design my structural system for noise and vibration applications. We use modal analysis to help design all types of structures including automotive
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