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Laser Vibrometer Student: Duncan Roxburgh Supervisor: Professor Andrew Moore Modal Hammer Shaker Accelerometer • Compare modal excitation techniques • Investigate traditional and optical vibration measurement methods • Design virtual instrumentation to accept Modal Analysis Vibration Response Impact Impact Frequency Response Function Finite Element Model Validate Finite Element Model with Experimental Data Each peak can be described by a ‘SDOF’ model which allows the ‘Modal properties’ of the structure to be obtained. • Natural Frequency • Stiffness • Damping • Modal constant Experimental model Vs. FE Model
