An approach for the coupled simulation of machining processes using multibody system and smoothed particle hydrodynamics algorithms |
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Authors: | Fabian Spreng Peter Eberhard Florian Fleissner |
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Affiliation: | Institute of Engineering and Computational Mechanics University of Stuttgart, Pfaffenwaldring 9, 70569 Stuttgart, Germany |
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Abstract: | The prediction accuracy of a simulation method is limited by its theoretical background. This fact can lead to disadvantages regarding the simulation quality when investigating systems of high complexity, e.g. containing components showing a fairly different behavior. To overcome this limitation, co-simulation approaches are used more and more, combining the advantages of different simulation disciplines. That is why we propose a new strategy for the dynamic simulation of cutting processes. The method couples Lagrangian particle methods, such as the smoothed particle hydrodynamics (SPH) method, and multibody system (MBS) tools using co-simulations. We demonstrate the capability of the new approach by providing simulation results of an orthogonal cutting process and comparing them with experimental data. |
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Keywords: | multibody dynamics smoothed particle hydrodynamics co-simulation machining contact modeling |
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