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Applied Mathematics and Mechanics (English Edition) ›› 1987, Vol. 8 ›› Issue (7): 641-647.

• 论文 • 上一篇    下一篇

THE SINGULARITY ANALYSIS OF THE STRESS AND STRAIN FIELDS FOR MODE I FRACTURE IN ELASTIC-PLASTIC STATE

陈小明, 杨南生, 官忠信   

  1. Northwestern Polytechnical University, Xi’an
  • 收稿日期:1986-06-10 出版日期:1987-07-18 发布日期:1987-07-18

THE SINGULARITY ANALYSIS OF THE STRESS AND STRAIN FIELDS FOR MODE I FRACTURE IN ELASTIC-PLASTIC STATE

Cheng Xiao-ming, Yang Nan-sheng, Guan Zhong-xing   

  1. Northwestern Polytechnical University, Xi’an
  • Received:1986-06-10 Online:1987-07-18 Published:1987-07-18

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摘要： The stress and strain singularities of power hardening material for Mode I fracrure are analysed according to the fundamental equations of elastic-plastic mechanics. It is found that the singularities of all stress and strain components do not change in the thick direction, and neither the six stress components nor the six strain components have the same singularity.

关键词: cylindrical reticulated shell, block pressure coefficient, dry-coal shed, fluctuating pressure, wind tunnel test, interference effect

Abstract: The stress and strain singularities of power hardening material for Mode I fracrure are analysed according to the fundamental equations of elastic-plastic mechanics. It is found that the singularities of all stress and strain components do not change in the thick direction, and neither the six stress components nor the six strain components have the same singularity.

Key words: dry-coal shed, cylindrical reticulated shell, wind tunnel test, fluctuating pressure, interference effect, block pressure coefficient

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