期刊
JOURNAL OF FLUIDS AND STRUCTURES
卷 27, 期 4, 页码 567-585出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfluidstructs.2011.03.001
关键词
Compressible bubbles; Merging; Splitting; Level-set; Domain-decomposition
资金
- Centre for Ships and Ocean Structures (CeSOS), NTNU, Trondheim
A 2-D domain-decomposition (DD) strategy, developed for marine applications involving gas cavities, is presented. The DD couples a boundary element method with a Navier-Stokes solver using a level-set (LS) technique to handle the evolution of the gas-liquid interface. The deformation of compressible cavities is handled by means of a simplified model assuming uniform pressure and adiabatic conditions. Merging and splitting phenomena are described as isothermal processes without chemical reactions. Benchmark solutions are used for the verification of the LS with compressible cavities. The resulting DD method is applied to study the initial stages of a water-shipping event on the deck of a barge-shaped ship. (C) 2011 Elsevier Ltd. All rights reserved.
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