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GPU-accelerated large-eddy simulation of ship-ice interactions

Cita com:
hdl:2117/332492
Document typeConference report
Defense date2015
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial
property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public
communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
This paper reports on the applicability of the Lattice Boltzmann based
free surface flow solver elbe to the simulation of complex ship-ice interactions in marine
engineering. In order to model the dynamics of these colliding rigid multi-body systems, elbe is
coupled to the ODE physics engine. First, basic validations of the ODE collision and friction
models are presented, particularly focusing on interacting triangle meshes that later will serve to
describe the ice floes. Then, the basic methodology and initial validation of the fluid-structure
coupling of elbe and ODE is presented. Finally, performance is addressed: As elbe uses
graphics processing units (GPUs) to accelerate the numerical calculations, the coupled numerical
tool allows for investigations of ship-ice interactions
in very competitive computational time and on off-the-shelf desktop hardware.
CitationMierke, D.; Janssen, D.; Rung, T. GPU-accelerated large-eddy simulation of ship-ice interactions. A: MARINE VI. "MARINE VI : proceedings of the VI International Conference on Computational Methods in Marine Engineering". CIMNE, 2015, p. 850-861. ISBN 978-84-943928-6-3.
ISBN978-84-943928-6-3
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