Effects of Interacting Cavities on Damage Parameter

[+] Author and Article Information
U. Stigh

Division of Solid Mechanics, Chalmers University of Technology, S-412 96 Göteborg, Sweden

J. Appl. Mech 53(3), 485-490 (Sep 01, 1986) (6 pages) doi:10.1115/1.3171800 History: Received July 31, 1985; Revised December 03, 1985; Online July 21, 2009


A numerical study is performed on the influence of interacting spherical cavities on the damage parameter. The material is isotropic, incompressible, power-law creeping. The results show that the nonlinearity of the material has a very small influence on the damage parameter. A simple formula is derived relating the damage parameter to the proximity of the cavities. It is further studied how the concentration and nonlinearity influence the growth of the cavities.

Copyright © 1986 by ASME
Topics: Cavities
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