軸方向に移動する二次元はりのダイナミクスに関する研究

概要

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Recently, dynamic analysis of the vibration problems of the flexible material moving along the axial direction, such as wire or plate in the mill, becomes demanded. For this purpose, the dynamic analysis of planar beams moving along the axial direction is developed in this study. In this paper, beams are discretized using the FEM method. And the effects of the movement along the axial direction, large displacements and geometric nonlinearity are taken into account in this model. Moreover, this method is adapted into the two boundary conditions in this study. At first, in the case of fixed-fixed boundary condition, the phenomena that the rigidity of the beams becomes very low near the critical speed, is presented using this model. Next, in the case of fixed-free boundary condition, the tip vibration is calculated and compared with the model of former study. In the consequence, it is approved that the calculation result of this study is accurate and effective.
社団法人日本機械学会の論文
2001-01-25