Analysis of Negative Poisson's Ratios of Re-Entrant Honeycombs

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概要

• 論文の詳細を見る

• rights: 社団法人日本機械学会rights: 本文データは学協会の許諾に基づきCiNiiから複製したものであるrelation: IsVersionOf: http://ci.nii.ac.jp/naid/110004820463/Materials or structures that contract in the transverse direction under uniaxial compression, or expand laterally when stretched are said to have negative Poisson's ratios. A theoretical approach to the prediction of negative Poisson's ratios of re-entrant honeycombs has been developed which is based on the large deflection model. The equations of the deflection curves of the inclined member of the re-entrant cell, strains and Poisson's ratios of re-entrant honeycombs in two orthogonal directions have been derived. The deformed shapes of the inclined members of the re-entrant cell are calculated. The negative Poisson's ratios of reentrant honeycombs are no longer a constant at large deformation. They vary significantly with the strain. The effect of the geometric parameters of the cell on the Poisson's ratios is analyzed.

• 一般社団法人日本機械学会の論文
• 2004-04-15

著者

• Ohtaki Hideyuki

  Department Of Mechanical Engineering Faculty Of Engineering Saitama University

• Nagasaka Yasumi

  Department Of Mechanical Engineering Faculty Of Engineering Nippon Institute Of Technology

• Hu Guoming

  Department Of Mechanical Engineering Faculty Of Engineering Saitama University

• KOTOSAKA Sinya

  Department of Mechanical Engineering, Faculty of Engineering, Saitama University

• Kotosaka Sinya

  Department Of Mechanical Engineering Faculty Of Engineering Saitama University

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• Analysis of Negative Poisson's Ratios of Re-Entrant Honeycombs

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