Spectral elements and field separation for an acoustic fluid subject to cavitation |
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| Affiliation: | 1. Soft Matter Physics Division and Junior Research Group Biotechnology and Biomedicine, Peter Debye Institute for Soft Matter Physics, Leipzig University, Linnéstr. 5, 04103 Leipzig, Germany;2. Leibniz Institute of Surface Engineering (IOM), Permoser Str. 15, 04318 Leipzig, Germany;3. Division of Surface Physics, Department of Physics and Earth Sciences, Leipzig University, Leipzig, Germany;1. Politecnico di Torino, Department of Applied Science and Technology, C.so Duca degli Abruzzi 24, 10129 Torino, Italy;2. University of Torino, Department of Chemistry and NIS Centre, Via P. Giuria 7, 10125 Torino, Italy;3. CNR-IMAMOTER, Strada delle Cacce 73, 10135 Torino, Italy;4. Herniamesh S.r.l., Via F.lli Meliga 1/C, 10034 Chivasso, Italy |
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| Abstract: | Spectral elements based on Legendre polynomials are used to improve an existing finite-element method for simulating a highly nonlinear field phenomenon: fluid cavitation in an underwater-shock environment. Further improvement is provided by separation of the total field into its equilibrium, incident, and scattered components. These enhancements promise to make the finite-element method suitable for practical, three-dimensional engineering computations. |
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