Gravitational Stresses Determined Using Immersion Techniques

[+] Author and Article Information
V. J. Parks, A. J. Durelli, L. Ferrer

Mechanics Division, The Catholic University of America, Washington, D. C.

J. Appl. Mech 34(3), 583-590 (Sep 01, 1967) (8 pages) doi:10.1115/1.3607747 History: Received October 27, 1966; Online September 14, 2011


This paper deals with a generalization of an immersion analogy suggested by Biot. A simple general proof of the analogy is given. Applications are described to two-dimensional problems (using urethane rubber specimens immersed in thallium formate) and to three-dimensional problems (using epoxy models immersed in mercury). Two and three-dimensional photoelasticity is used to determine stresses. The increase in response obtained by using the immersion technique permits the solution of a number of new problems where gravitational stresses play an important role; for example, in dams and in solid propellant rocket grains.

Copyright © 1967 by ASME
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