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Abstract

The purpose of this research is to apply the finite element method for dynamic analysis of Timoshenko beams traversed by moving loads. When an elastic structure is subjected to moving loads, the induced displacements and stresses are much higher than those of static loading conditions. Due to the prevalence of high speed machinery and the use of light and flexible structures to reduce the material cost, structural weight, and space requirement, dynamic analysis of such systems becomes crucial to ensure structural safety and required accuracy. In this study, the shear effect and rotary inertia were included for the analysis of short, sturdy beams and structures with higher modes being excited. This research will be applicable for dynamic analysis of bridges and rail roads subjected to moving vehicle loads, high speed machining, and structures supporting high speed moving objects, etc.

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