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Dynamic Analysis Of Composite Sandwich Beams Under Moving Mass
Abstract
In this study, approximate analytical solution for the dynamic response of composite sandwich beams subjected to moving mass is presented. Using modal superposition, the equation of motion for the beam is derived in matrix form. Since coefficients of the matrix equation of motion are time-dependent, Newmark's method is employed for numerical solution. Effects of the lamina thickness and the fiber orientation on the beam deflection and the contact force between the beam and the mass are studied.
Keywords
References
- Fryba, L., 1972, Vibration of Solids and Structures under Moving Loads, Noordhoff International, Groningen, the Netherlands
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- Akin, J.E., Mofid, M., 1989, Numerical Solution for the Response of Beams with Moving Mass, ASCE Journal of Structural Engineering, 115, 120- 131
- Lee, H.P., 1996, Dynamic Response of a Beam with a Moving Mass, Journal of Sound and Vibration, 191, 289-294
- Lee, U., 1998, Separation between the Flexible Structure and the Moving Mass Sliding on It, Journal of Sound and Vibration, 209, 867-877
- Wu, J.J., Whittaker, A.R., Cartmell, M.P., 2001, Dynamic Responses of Structures to Moving Bodies Combined Finite Element and Analytical Methods, International Journal of Mechanical Sciences, 43, 2555-2579
Details
Primary Language
English
Subjects
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Journal Section
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Publication Date
April 21, 2011
Submission Date
April 20, 2011
Acceptance Date
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Published in Issue
Year 2011 Volume: 14 Number: 1