Dynamic Wrinkling of Viscoelastic Membranes

[+] Author and Article Information
C. H. Jenkins

Department of Mechanical Engineering, South Dakota School of Mines and Technology, Rapid City, SD 57701

J. W. Leonard

Department of Civil Engineering, University of Connecticut, Storrs, CT 06269

J. Appl. Mech 60(3), 575-582 (Sep 01, 1993) (8 pages) doi:10.1115/1.2900841 History: Received August 06, 1991; Revised August 17, 1992; Online March 31, 2008


Problems associated with viscoelastic membrane structures have been documented, e.g., dynamic wrinkling and its effects on fatigue analysis and on snap loading. In the proposed analysis method, the constitutive equation is approximated by a finite difference equation and embedded within a nonlinear finite element spatial discretization. Implicit temporal integration and a modified Newton-Raphson method are used within a time increment. The stress-strain hereditary relation is formally derived from thermodynamic considerations. Use of modified strain-energy and dissipation functions facilitates the description of wrinkling during the analysis. Applications are demonstrated on an inflated cylindrical cantilever and on a submerged cylindrical membrane excited by waves.

Copyright © 1993 by The American Society of Mechanical Engineers
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