A finite-element/boundary-element method for large-displacement fluid-structure interaction

Authors:
T. M. Opstal;E. H. Brummelen;R. Borst;M. R. Lewis
Affiliations:
MEFD section, Faculty of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands 5600 MB;MEFD section, Faculty of Mechanical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands 5600 MB;School of Engineering, University of Glasgow, Glasgow, UK GIL 8LT;TASS, Rijswijk, The Netherlands 2289 CC
Venue:
Computational Mechanics
Year:
2012

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Abstract

We present a combined finite-element/boundary-element method to simulate inflation processes, characterized by a light, folded structure enveloping a viscous fluid. The application of the boundary-element method to approximate the flow allows for automatic evolution of the problem domain according to the kinematic condition. Moreover, it provides an intrinsic mechanism to treat the ubiquitous self-contact, common to inflation problems. We numerically verify that self-contact is indeed prevented and demonstrate the versatility and robustness of this method.