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Stiffness Fixed Points

M. Abu-Hilal's picture

Conceptual Understanding of Mass and Stiffness Fixed Points of Discrete Vibrational Systems

Thu, 2013-02-14 16:04 — Mohammed Khaled Abu-Hilal
Journal Title, Volume, Page: 
Jordan Journal of Mechanical and Industrial Engineering
Year of Publication: 
2010
Link: 
http://www.jjmie.hu.edu.jo/files/v4n4/JJMIE-63-09_Revised.doc(2)/JJMIE-63-09_Rev...
Authors: 
M. Abu-Hilal
Department of Mechanical Engineering, An Najah National University, Nablus
Current Affiliation: 
Department of Mechanical Engineering, An Najah National University, Nablus
[email protected]
A. R. Touqan
Department of Civil Engineering, An Najah National University, Nablus
Preferred Abstract (Original): 
The presence of mass and stiffness fixed points in the frequency responses of vibrational systems may greatly affect the design of these systems. In this paper, the physical reason for the occurrence of mass and stiffness fixed points and the relationship between them and the phenomenon of internal absorber are investigated. It is found that the frequencies at which mass and stiffness fixed points occur, represent eigenfrequencies of subsystems of the whole vibrational system. Furthermore, it is found that the mass and stiffness fixed points are strongly related with the phenomenon of internal absorbers
abdul razzaq touqan's picture

Conceptual Understanding of Mass And Stiffness Fixed Points of Discrete Vibrational System

Thu, 2010-06-03 19:59 — Abdul Razzaq Abd Allah Touqan
Journal Title, Volume, Page: 
Journal of Mechanical And Industrial Engineering, Vol 4 Pages 190-197, Issn 1995-6665
Year of Publication: 
2010
Link: 
http://www.jjmie.hu.edu.jo/files/v4n4/JJMIE-63-09_Revised.doc(2)/JJMIE-63-09_Rev...
Authors: 
M. Abu-Hilal
Department of Mechanical Engineering, Faculty of Engineering, An-Najah National University, P.O. Box 7, Nablus, West Bank, Palestine
Current Affiliation: 
Department of Mechanical Engineering, Faculty of Engineering, An-Najah National University, P.O. Box 7, Nablus, West Bank, Palestine
[email protected]
Abdul Razzaq Touqan
Department of Civil Engineering, Faculty of Engineering, An-Najah National University, Nablus, Palestine
Current Affiliation: 
Department of Civil Engineering, Faculty of Engineering, An-Najah National University, Nablus, Palestine
[email protected]
Preferred Abstract (Original): 

The presence of mass and stiffness fixed points in the frequency responses of vibrational systems may greatly affect the design of these systems. In this paper, the physical reason for the occurrence of mass and stiffness fixed points and the relationship between them and the phenomenon of internal absorber are investigated. It is found that the frequencies at which mass and stiffness fixed points occur, represent eigenfrequencies of subsystems of the whole vibrational system. Furthermore, it is found that the mass and stiffness fixed points are strongly related with the phenomenon of internal absorbers.

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