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Applied Mathematics and Mechanics (English Edition) ›› 1999, Vol. 20 ›› Issue (3): 300-308.

• 论文 • 上一篇    下一篇

STRESS EFFECT DECAY ESTIMATES FOR ANISOTROPIC MATERIAL IN A SEMI-INFINITE STRIP

蔡崇喜1, 林长好2   

  1. 1. Zhongshan University, Guangzhou 510275, P. R. China;
    2. South China Normal University, Guangzhou 510631, P. R. China
  • 收稿日期:1997-10-20 修回日期:1998-08-15 出版日期:1999-03-18 发布日期:1999-03-18

STRESS EFFECT DECAY ESTIMATES FOR ANISOTROPIC MATERIAL IN A SEMI-INFINITE STRIP

Cai Chongxi1, Lin Changhao2   

  1. 1. Zhongshan University, Guangzhou 510275, P. R. China;
    2. South China Normal University, Guangzhou 510631, P. R. China
  • Received:1997-10-20 Revised:1998-08-15 Online:1999-03-18 Published:1999-03-18

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摘要： In this paper, Saint-Venant’s principle for anisotropic material in an end-loaded. semi-infinite elastic strip is established. Energy method is used to establish the lower bounds of the decay estimate of stress effect. An explicit estimate formula in terms of the elastic constants of the anisotropic materials is presented.Finally, a numerical example for an end-loaded, off-axis, graphite-epoxy strip is given to illustrate the results.

关键词: Saint-Venant’s principle, fourth order eiliphc equahon, energy method, material anisotropy, stress decay estimate

Abstract: In this paper, Saint-Venant’s principle for anisotropic material in an end-loaded. semi-infinite elastic strip is established. Energy method is used to establish the lower bounds of the decay estimate of stress effect. An explicit estimate formula in terms of the elastic constants of the anisotropic materials is presented.Finally, a numerical example for an end-loaded, off-axis, graphite-epoxy strip is given to illustrate the results.

Key words: Saint-Venant’s principle, fourth order eiliphc equahon, energy method, material anisotropy, stress decay estimate

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