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이종원(J. W. Lee),류봉조(B. J. Ryu),이규섭(G. S. Lee),송오섭(O. S. Song),이영림(Y. L. Lee) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
This paper deals with the linear dynamic response of an elastically restrained beam under a moving<br/> mass, where the elastic support was modelled by translational springs of variable stiffness. Governing<br/> equations of motion taking into account of all inertia effects of the moving mass were derived by<br/> Galerkin's mode summation method, and Runge-Kutta integration method was applied to solve the<br/> differential equations. The effects of the speed, the magnitude of the moving mass, stiffness and the<br/> position of the support springs on the response of the beam have been studied. A variety of numerical<br/> results allows us to draw important conclusions for structural design purposes.