Thursday, May 2, 2019

Structural Vibration: Analysis and Damping

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The analysis of structural vibration is necessary in order to calculate the natural frequencies of a structure, and the response to the expected excitation. In this way it can be determined whether a particular structure will fulfil its intended function and, in addition, the results of the dynamic loadings acting on a structure can be predicted, such as the dynamic stresses, fatigue life and noise levels. Hence the integrity and usefulness of a structure can be maximized and maintained. From the analysis it can be seen which structural parameters most affect the dynamic response so that if an improvement or change in the response is required, the structure can be modified in the most economic and appropriate way. Very often the dynamic response can only be effectively controlled by changing the damping in the structure. There are many sources of damping in structures to consider and the ways of changing the damping using both active and passive methods require an understanding of their mechanism and control. For this reason a major part of the book is devoted to the damping of structural vibrations.

General notation
1. Introduction
2. The vibration of structures with one degree of freedom
3. The vibration of structures with more than one degree of freedom
4. The vibration of continuous structures
5. Damping in structures
6. Problems
7. Answers and solutions to selected problems

Author Details
"C. E Beards" Bsc, PhD, C Eng, MRAeS, MIOA Consultant in Dynamics, Noise and Vibration Formerly of Imperial College of Science, Technology and Medicine, University of London.

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