Abstract
A new integral equation method for the analysis of the interactions between cracks and elastic inclusions embedded in a two-dimensional, linearly elastic, isotropic infinite medium subjected to in-plane force is presented. By distributing dislocations along the crack lines and forces along the matrix-inclusion interfaces, a set of coupled integral equations is obtained. The discretization procedure of the integrals involved is discussed and the relations between the stress intensity factors and the values of the dislocation functions at the respective crack tips are derived. Several sample problems are presented in order to determine the versatility and the accuracy of this approach.
Similar content being viewed by others
References
Atkinson, C. (1972): The interaction between a crack and an inclusion. Int. J. Eng. Sci. 10, 127–136
Banerjee, P. K.; Butterfield, R. (1981): Boundary element methods in engineering science. New York: McGraw-Hill
Crouch, S. L. (1976): Solution of plane elasticity problems by the displacement discontinuity method. Int. J. Num. Method Eng. 10, 301–343
Crouch, S. L.; Starfield, A. M. (1983): Boundary element methods in solid mechanics with applications in rock mechanics and geological engineering. London Allen & Unwin
Cruse, T. A. (1978): Two dimensional BIE fracture mechanics analysis. Appl. Math. Modelling 2, 287–293
Dundurs, J.; Mura, T. (1964): Interaction between an edge dislocation and a circular inclusion. J. Mech. Phys. Solids 12, 177–189
Dundurs, J.; Sendeckyj, G. P. (1965): Edge dislocation inside a circular inclusion. J. Mech. Phys. Solids 13, 141–147
Erdogan, F.; Gupta, G. D. (1972): On the numerical integration of singular integral equations. Quart. Appl. Math. 29, 525–534
Erdogan, F.; Gupta, G. D. (1975): The inclusion problem with a crack crossing the boundary. Int. J. Fract. 11, 13–27
Erdogan, F.; Gupta, G. D.; Ratwani, M. (1974): Interaction between a circular inclusion and an arbitrarily oriented crack. J. Appl. Mech. 41, 1007–1013
Hirth, J. P.; Lothe, J. (1968): Theory of Dislocations. New York: Wiley-Interscience
Lam, K. Y. (1982): General branching and frictional slippage at crack tips with applications to hydraulic fracturing. S. M. Thesis, Mass. Inst. of Tech, USA
Lam, K. Y.; Cleary, M. P. (1984): Slippage and re-initiation of (hydraulic) fractures at frictional interfaces. Int. J. Number. Anal. Methods Geomech. 8, 589–604
Lam, K. Y.; Cotterell, B.; Phua, S. P. (1991): Statistics of flaw interaction in brittle materials. J. Am. Ceram. Soc. 74, 352–357
Lam, K. Y.; Phua, S. P. (1991): Multiple cracks interaction and its effect on stress intensity factor. Eng. Fract. Mech. 40, 585–592
Müller, W. H. (1989): The exact calculation of stress intensity factors in transformation toughened ceramics by means of integral equations. Int. J. Fract. 41, 1–22
Muskhelishvili, N. I. (1953): Singular integral equations. Groningen: Noordhoff
Narendran, V. M. (1986): Analysis of the growth and interaction of multiple plane hydraulic fractures. Ph.D. Thesis, Mass. Inst. of Tech, USA
Narendran, V. M.; Cleary, M. P. (1984): Elastostatics interaction of multiple arbitrarily shaped cracks in plane inhomogeneous regions. Eng. Fract. Mech. 19, 481–506
Patton, E. M.; Santare, M. H. (1990): The effect of a rigid elliptical inclusion on a straight crack. Int. J. Fract. 46, 71–79
Rice, J. R. (1968): Mathematical analysis in the mechanics of fracture. In: Fracture Vol 2 (H.Leibowitz ed.) New York and London: Academic Press
Rooke, D. P.; Cartwright, D. J. (1975): Compendium of stress intensity factors. Her Majesty's Stationary Office, London
Author information
Authors and Affiliations
Additional information
Communicated by S. N. Atluri, March 16, 1992
Rights and permissions
About this article
Cite this article
Lam, K.Y., Zhang, J.M. & Ong, P.P. A new integral equation formulation for the analysis of crack-inclusion interactions. Computational Mechanics 10, 217–229 (1992). https://doi.org/10.1007/BF00370090
Issue Date:
DOI: https://doi.org/10.1007/BF00370090