期刊
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
卷 35, 期 11, 页码 1421-1436出版社
SHANGHAI UNIV
DOI: 10.1007/s10483-014-1879-7
关键词
axially moving Timoshenko beam; transverse vibration; integral transform; hybrid solution
资金
- Science Foundation of China University of Petroleum in Beijing [2462013YJRC003]
The generalized integral transform technique (GITT) is used to find a semianalytical numerical solution for dynamic response of an axially moving Timoshenko beam with clamped-clamped and simply-supported boundary conditions, respectively. The implementation of GITT approach for analyzing the forced vibration equation eliminates the space variable and leads to systems of second-order ordinary differential equations (ODEs) in time. The MATHEMATICA built-in function, NDSolve, is used to numerically solve the resulting transformed ODE system. The good convergence behavior of the suggested eigenfunction expansions is demonstrated for calculating the transverse deflection and the angle of rotation of the beam cross-section. Moreover, parametric studies are performed to analyze the effects of the axially moving speed, the axial tension, and the amplitude of external distributed force on the vibration amplitude of axially moving Timoshenko beams.
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