Asymptotic Approximations of the Solution for a Traveling String under Boundary Damping
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JACM-5-5_008
تاریخ نمایه سازی: 19 تیر 1398
Abstract:
Transversal vibrations of an axially moving string under boundary damping are investigated. Mathematically, it represents a homogenous linear partial differential equation subject to nonhomogeneous boundary conditions. The string is moving with a relatively (low) constant speed, which is considered to be positive. The string is kept fixed at the first end, while the other end is tied with the spring-dashpot system. The asymptotic approximations for the solution of the equations are obtained by application of two time-scale perturbation technique and the characteristic coordinates method. The vertical displacement of the moving system under boundary damping is computed by using specific initial conditions. It is shown that how the introduced damping at the boundary may affect the vertical displacement of the axially moving system.
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Authors
Rajab A. Malookani
Department of Mathematics and Statistics, Faculty of Science, Quaid-e-Awam University of Engineering, Science and Technology, Nawabshah, ۶۷۴۸۰, Sindh, Pakistan
Sanaullah Dehraj
Department of Mathematics and Statistics, Faculty of Science, Quaid-e-Awam University of Engineering, Science and Technology, Nawabshah, ۶۷۴۸۰, Sindh, Pakistan
Sajad H. Sandilo
Department of Mathematics and Statistics, Faculty of Science, Quaid-e-Awam University of Engineering, Science and Technology, Nawabshah, ۶۷۴۸۰, Sindh, Pakistan
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