Large Deflection of a Fluid-Filled Spherical Shell Under a Point Load

[+] Author and Article Information
L. A. Taber

Biomedical Science Department, General Motors Research Laboratories, Warren, Mich. 48090

J. Appl. Mech 49(1), 121-128 (Mar 01, 1982) (8 pages) doi:10.1115/1.3161953 History: Received April 01, 1981; Revised September 01, 1981; Online July 21, 2009


Large deflection of a fluid-filled spherical shell under a concentrated load was studied analytically and experimentally. The analysis involves a strain energy approach based on thin shell theory for moderately large rotation. Load and fluid pressure from tests on rubber shells filled with water show good agreement with computed results for deflection as large as 60 percent of the radius of the shell. Deflection less than 20 percent of the radius is dominated by bending while larger deflection is governed mainly by stretching due to the displaced fluid.

Copyright © 1982 by ASME
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