Mechanics of the Segmentation of an Embedded Fiber, Part II: Computational Modeling and Comparisons

Author:

Selvadurai A. P. S.1,ten Busschen A.2

Affiliation:

1. Department of Civil Engineering and Applied Mechanics, Faculty of Engineering, McGill University, Montreal, QC H3A 2K6, Canada

2. Laboratory of Engineering Mechanics, Faculty of Mechanical Engineering and Marine Technology, Delft University of Technology, Delft, The Netherlands

Abstract

A fragmentation test has been developed for the study of the influence of the adhesive characteristics of the interface between reinforcing fibers and the matrix on the development of matrix cracking at a cracked single fiber location. The present paper examines the numerical modeling of the crack extension process within the matrix region. The numerical modeling focuses on the application of boundary element techniques to the study of an axisymmetric fiber-matrix model and quasi-static crack extension criteria are employed to determine the path of crack extension. The result for the crack extension patterns obtained from the numerical models are compared with the results derived from the experiments. It is shown that elastic fracture mechanics simulations of quasi-static crack extension can successfully model the observed experimental phenomena.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics

Reference36 articles.

1. Atkinson C. , 1979, “Stress Singularities and Fracture Mechanics,” ASME Applied Mechanics Reviews, Vol. 32, pp. 123–135.

2. Atluri, S. N., ed., 1991, Computational Methods in Mechanics of Fracture, Vol. 2, Computational Methods in Mechanics, J. D. Achenbach, ed., North-Holland, The Netherlands.

3. Banerjee, P. K., and Butterfield, R., 1981, Boundary Element Methods for Engineering Science, McGraw-Hill, New York.

4. Barsoum R. S. , 1976, “On the Use of Isoparametric Finite Elements in Linear Fracture Mechanics,” Int. J. Num. Meth. Engng., Vol. 10, pp. 25–37.

5. Blandford G. E. , IngraffeaA. R., and LiggettJ. A., 1981, “Two-Dimensional Stress Intensity Factor Computations Using the Boundary Element Method,” Int. J. Num. Meth. Engng., Vol. 17, pp. 387–404.

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