Dynamic wrinkling of viscoelastic membranes
Journal Article
·
· Journal of Applied Mechanics
- South Dakota School of Mines and Technology, Rapid City, SD (United States)
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.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 45733
- Journal Information:
- Journal of Applied Mechanics, Journal Name: Journal of Applied Mechanics Journal Issue: 3 Vol. 60; ISSN 0021-8936; ISSN JAMCAV
- Country of Publication:
- United States
- Language:
- English
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