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For small values of the spring stiffness, the moving oscillator problem is shown to be equivalent to the moving force problem.
Asymptotic behavior of the solution of the moving oscillator problem is examined for large and small values of the spring stiffness for the general case of non-zero beam initial conditions.
In the limiting case of infinite spring stiffness, it is shown that the moving oscillator problem for a simply supported beam is not equivalent, in a strict sense, to the moving mass problem.
In the general framework of the bridge-vehicle dynamic interaction, the so-called "moving oscillator" problem is revisited in order to provide a deeper insight into some analytical and physical aspects not specifically analyzed in previous investigations.
Similar(56)
It has usually been assumed in the previous studies of the moving-oscillator problem that the contact between the moving oscillator and the supporting beam structure is constantly maintained.
The vibration of a beam excited by a moving oscillator is an extensively studied moving-load problem.
The definition problem consists of the beam, moving oscillator and tensionless elastic foundation has been employed by the finite element method.
The next section describes the definition problem of the dynamic analysis of beams to a moving oscillator on tensionless elastic foundation and the governing equations of motion are also derived in this section.
The excitation is provided by a moving oscillator of an unsprung mass that supports another mass through a spring (oscillator) and moves on top of the truss structure.
Furthermore, a reattachment condition of the moving oscillator to the beam after separation is proposed.
The moving oscillator is simplified by the single degree of freedom (SDoF) system.
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