A Study on Mode III Kinked Crack Analysis Using Displacement-Discontinuity Method

변위 불연속 방법에 의한 모드 III 꺾인 균열 해석 연구

  • 서욱환 (한라대학교 기계공학부)
  • Published : 2000.08.01

Abstract

An integral equation representation of cracks was presented, which differs from well-known "dislocation layer" representation. In this new representation, an integral equation representation of cracks was developed and coupled to the direct boundary-element method for treatment of cracks in plane finite bodies. The method was developed for in-plane (modes I and II) loadings only. In this paper, the method is formulated and applied to mode III problems involving smooth or kinked cracks in finite region. The results are compared to exact solutions where available and the method is shown to be very accurate despite of its simplicity.implicity.

Keywords

References

  1. Int. J. Fracture v.38 An alternative integral equation approach for curved and kined cracks U. Sur;N. J. Altiero
  2. Comput. Meth. Appl. Mehc. Engng v.84 An alternative integral equation approach applied to kinked cracks in finite plane bodies N. Liu;N. J. Altiero;U. Sur
  3. Journal of Applied Mechanics v.54 C. F. Sheng
  4. Int. J. Fracture v.38 W.L. Zang;P. Gudmundson
  5. Engineering Fracture Mechanics v.7 Y.K. Chueng;Y.Z. Chen
  6. Advances in Fracture Research v.3 W.L. Zang;P. Gudmundson;K. Salama(ed.)(et al.)
  7. Mech. Res. Commun v.18 Multiple cracks and branch cracks in finite plane bodies N. Liu;N. J. altiero
  8. Engng Fracture Mech v.30 A central crack in a rectangular sheet where its boundary is subjected to an arbitrary antiplane load S. W. Ma
  9. Int. J. Fracture v.39 A central crack of mode III in a rectangular sheet with fixed edges S.W. Ma