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E. Levy+ and M. Eisenberger*

+Faculty of Agricultural Engineering
*Faculty of Civil Engineering, Technion, Israel Institute of Technology, Haifa, Israel

doi:10.4203/ccp.55.8.2

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E. Levy, M. Eisenberger, "An Improved Component Mode Method for Truss Vibration Analysis", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 123-129, 1998. doi:10.4203/ccp.55.8.2

Abstract

The inertial forces that develop along the members of a truss influence the response of the truss. These inertial forces cause the members of the truss to bend, but also introduce axial vibrations along them. Previous work included the bending inertia effects in their analysis using the Component Mode Method. In this work the axial local member vibration effects on the overall behavior of the truss are included also by the Component Mode Method. As was done before for the bending vibrations, a limited number of axial modes are added to the analysis. The members are treated as substructures, and the element stiffness and mass matrices are expanded to include the local mode effects. Several examples are used to demonstrate the improvement of vibration properties determination of plane and space trusses.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 55 ADVANCES IN COMPUTATIONAL STRUCTURAL MECHANICS Edited by: B.H.V. Topping Paper VIII.2 An Improved Component Mode Method for Truss Vibration Analysis E. Levy+ and M. Eisenberger* +Faculty of Agricultural Engineering *Faculty of Civil Engineering, Technion, Israel Institute of Technology, Haifa, Israel doi:10.4203/ccp.55.8.2 purchase the full-text of this paper Full Bibliographic Reference for this paper E. Levy, M. Eisenberger, "An Improved Component Mode Method for Truss Vibration Analysis", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 123-129, 1998. doi:10.4203/ccp.55.8.2 Abstract The inertial forces that develop along the members of a truss influence the response of the truss. These inertial forces cause the members of the truss to bend, but also introduce axial vibrations along them. Previous work included the bending inertia effects in their analysis using the Component Mode Method. In this work the axial local member vibration effects on the overall behavior of the truss are included also by the Component Mode Method. As was done before for the bending vibrations, a limited number of axial modes are added to the analysis. The members are treated as substructures, and the element stiffness and mass matrices are expanded to include the local mode effects. Several examples are used to demonstrate the improvement of vibration properties determination of plane and space trusses. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £95 +P&P)
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