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논문 기본 정보

자료유형
학술저널
저자정보
Zhang, Y. (Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics) Yang, J.L. (Solid Mechanics Research Center, Beijing University of Aeronautics and Astronautics) Hua, Y.L. (Mechanics of Materials Group, China Agricultural University [East Campus])
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제14권 제5호
발행연도
2002.1
수록면
611 - 624 (14page)

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In this paper, a complete solution is presented for dynamic plastic response of a rigid, perfectly plastic hinged-free beam, of which one end is simply supported or hinged and the other end free, subjected to a transverse strike by a travelling mass at an arbitrary location along its span. The governing differential equations are expressed in non-dimensional forms and solved numerically to obtain the instantaneous deflection of the beam and the plastic dissipated energy in the beam. The dynamic behavior for a hinged-free beam is more complicated than that of a free-free beam. It transpires that the mass ratio and impact position have significant influence on the final deformation. In the aspect of energy dissipation, unlike simply supported or clamped beams for which the plastic deformation consumes almost the total input energy, a considerable portion of the input energy would be transferred as rigid-body motion of hinged-free beam, and the energy dissipated in its plastic deformation is greatly reduced.

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