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.
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van Opstal, T.M., van Brummelen, E.H., de Borst, R. et al. A finite-element/boundary-element method for large-displacement fluid-structure interaction. Comput Mech 50, 779–788 (2012). https://doi.org/10.1007/s00466-012-0794-7
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DOI: https://doi.org/10.1007/s00466-012-0794-7