✦ LIBER ✦

An axisymmetric B-spline model for the non-linear inflation of rubberlike membranes

✍ Scribed by E. Verron; G. Marckmann

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 223 KB
Volume: 190
Category: Article
ISSN: 0045-7825
DOI: 10.1016/s0045-7825(01)00227-4

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✦ Synopsis

A new B-spline interpolation model for the free in¯ation of axisymmetric rubberlike membranes is presented in this paper. The membrane coordinates are interpolated by cubic B-splines and the treatment of the spline boundary conditions is highlighted. Both circular and cylindrical cases are considered. The formulation of the element is detailed and formulas for the tangent operator are presented. In order to solve the non-linear system of equations, the Newton±Raphson algorithm is sucessfully associated with the arclength method. Some numerical examples are presented to validate our approach and to exhibit convergence properties of the method.

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