Deformation Modes for Axial Crushing of Cylindrical Tubes Considering the Edge Effect

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概要

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• In this paper, the elastoplastic deformation behaviors of cylindrical tubes subjected to statically axial compression are studied by using finite element method (FEM). Specifically, the effects of tube geometries and strain hardening are investigated. Although it is generally recognized that the deformation in the circumferential direction is dependent on the ratio of the radius to thickness (R/t), the deformation is also greatly dependent on the edge constraint. In this study, we used flanges as an edge constraint. The deformation mode in the circumferential direction also affects the deformation in the axial direction. A method to control the deformation mode, such as adding a disk in the tube center, is proposed to maintain the deformation in the axisymmetric mode.

• 一般社団法人 日本機械学会の論文

著者

• Chen Dai-heng

  Tokyo University Of Science Department Of Mechanical Engineering

• OZAKI Shingo

  Yokohama National University, Division of Systems Research

• MASUDA Kenichi

  Tokyo University of Science, Department of Mechanical Engineering

• USHIJIMA Kuniharu

  Kyusyu Sangyo University, Department of Mechanical Engineering

関連論文

• Finite Element Analysis of a Wheel-Soil Interaction Phenomenon by Unconventional Elastoplastic and Friction Models
• Deformation Modes for Axial Crushing of Cylindrical Tubes Considering the Edge Effect
• Theoretical Analysis of Axial Crushing of Cylindrical Tubes with Corrugated Surfaces

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