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RESEARCH PAPERS

An Investigation of the Steady Creep of a Spherical Cavity in a Half Space

[+] Author and Article Information
C. A. Anderson

Los Alamos Scientific Laboratory, University of California, Los Alamos, New Mex.

J. Appl. Mech 43(2), 254-258 (Jun 01, 1976) (5 pages) doi:10.1115/1.3423819 History: Received June 01, 1975; Revised October 01, 1975; Online July 12, 2010

Abstract

The stability of a spherical cavity in a half space of a creeping material is investigated. The finite-element method with a nearly incompressible formulation and a stable method of time stepping is used to predict the steady creep state from an initial elastic state. Applications are made to thermal creep problems involving pure halite which obeys a well-documented creep law of the Weertman form. For a spherical cavity in a half space of halite various steady motions are observed depending on the depth, the temperature field, and the internal pressurization of the cavity.

Copyright © 1976 by ASME
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