Stress functions with finite stress concentration at the crack tips for a central cracked panel

✍ Scribed by Shu-Jin Duan; Nakagawa Kenji

• Publisher: Elsevier Science
• Year: 1988
• Tongue: English
• Weight: 512 KB
• Volume: 29
• Category: Article
• ISSN: 0013-7944
• DOI: 10.1016/0013-7944(88)90177-4

✦ Synopsis

In this paper, a plate with a central crack in uniform tension or shear is analysed. A method is presented of forming the transition interval at the crack tip where both the crack opening displacement and the finite stress concentrations appears. The problems are solved using the weight integral method. The stress functions of this type are more suitable than Westergaard's function or Dugdale's assumption to analyse the crack problems contained in materials such as concrete or rock. The results of several possible stress distributions, the crack opening displacement shapes and the J-integrals are revealed in the numerical examples.