Date of Award

Spring 1994

Document Type

Thesis - Restricted

Degree Name

Master of Science (MS)

Department

Mechanical Engineering

First Advisor

Radharamanan, R.

Second Advisor

Nigro, N. J.

Third Advisor

Weber, R. C.

Abstract

The modal properties of the current X-ray tube product are determined using a combination of experimental modal analysis and finite element analysis. A three-dimensional analytical model was developed using the finite element method. Experimental modal analysis is conducted to help establish greater confidence in the development of analytical "modal" model. The experimentally obtained modal parameters are used to verify the analytical results. Once the agreement of the resonant frequencies and the mode shapes associated with each frequency between the measured data and the predicted values are attained, it is reasonable to extend the use of the validated analytical "modal" model for the prediction, simulation, and optimization of the high performance X-ray tube design. Different design iterations could easily be evaluated using this developed "modal" model to understand how changes in the mass or stiffness of the X-ray tube will affect its dynamic characteristics without building the prototype.

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