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On the absolute maximum dynamic response of a beam subjected to a moving mass
Lotfollahi-Yaghin, Mohammad Ali,Kafshgarkolaei, Hassan Jafarian,Allahyari, Hamed,Ghazvini, Taher Techno-Press 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.54 No.1
Taking the mid-span/center-point of the structure as the reference point of capturing the maximum dynamic response is very customary in the available literature of the moving load problems. In this article, the absolute maximum dynamic response of an Euler-Bernoulli beam subjected to a moving mass is widely investigated for various boundary conditions of the base beam. The response of the beam is obtained by utilizing a robust numerical method so-called OPSEM (Orthonormal Polynomial Series Expansion Method). It is underlined that the absolute maximum dynamic response of the beam does not necessarily take place at the mid-span of the beam and thus the conventional analysis needs modifications. Therefore, a comprehensive parametric survey of the base beam absolute maximum dynamic response is represented in which the contribution of the velocity and weight of the moving inertial objects are scrutinized and compared to the conventional version (maximum at mid-span).
On the absolute maximum dynamic response of a beam subjected to a moving mass
Mohammad Ali Lotfollahi-Yaghin,Hassan Jafarian Kafshgarkolaei,Hamed Allahyari,Taher Ghazvini 국제구조공학회 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.54 No.1
Taking the mid-span/center-point of the structure as the reference point of capturing the maximum dynamic response is very customary in the available literature of the moving load problems. In this article, the absolute maximum dynamic response of an Euler-Bernoulli beam subjected to a moving mass is widely investigated for various boundary conditions of the base beam. The response of the beam is obtained by utilizing a robust numerical method so-called OPSEM (Orthonormal Polynomial Series Expansion Method). It is underlined that the absolute maximum dynamic response of the beam does notnecessarily take place at the mid-span of the beam and thus the conventional analysis needs modifications. Therefore, a comprehensive parametric survey of the base beam absolute maximum dynamic response is represented in which the contribution of the velocity and weight of the moving inertial objects are scrutinized and compared to the conventional version (maximum at mid-span).