期刊
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
卷 291, 期 -, 页码 280-303出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2015.03.010
关键词
Isogeometric; Kirchhoff-Love; Thin shell; Hyperelastic; Finite strain; Incompressibility
资金
- European Research Council [259229]
- Office of Energy Efficiency and Renewable Energy (EERE), U.S. Department of Energy [DE-EE0006737]
We present formulations for compressible and incompressible hyperelastic thin shells which can use general 3D constitutive models. The necessary plane stress condition is enforced analytically for incompressible materials and iteratively for compressible materials. The thickness stretch is statically condensed and the shell kinematics are completely described by the first and second fundamental forms of the midsurface. We use C-1-continuous isogeometric discretizations to build the numerical models. Numerical tests, including structural dynamics simulations of a bioprosthetic heart valve, show the good performance and applicability of the presented methods. (C) 2015 Elsevier B.V. All rights reserved.
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