Influence of foundation mass and surface roughness on dynamic response of beam on dynamic foundation subjected to the moving load

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Abstract

In this paper, Improved Moving Element Method (IMEM) is used to analyze the dynamic response of Euler-Bernoulli beam structures on the dynamic foundation model subjected to the moving load. The effects of characteristic foundation model parameters such as Winkler stiffness, shear layer based on the Pasternak model, viscoelastic dashpot and characteristic parameter of mass on foundation. Beams are modeled by moving elements while the load is fixed. Based on the principle of the publicly virtual balancing and the theory of moving element method, the motion differential equation of the system is established and solved by means of the numerical integration based on the Newmark algorithm. The influence of mass on foundation and the roughness of the beam surface on the dynamic response of beam are examined in details.

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Quoc, T. T., Trong, T. K., & Van Luong, H. (2018). Influence of foundation mass and surface roughness on dynamic response of beam on dynamic foundation subjected to the moving load. In IOP Conference Series: Earth and Environmental Science (Vol. 143). Institute of Physics Publishing. https://doi.org/10.1088/1755-1315/143/1/012009

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