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多相流动科学与技术
SJR: 0.183 SNIP: 0.483 CiteScore™: 0.5

ISSN 打印: 0276-1459
ISSN 在线: 1943-6181

多相流动科学与技术

DOI: 10.1615/MultScienTechn.v15.i1-4.190
pages 255-265

DIRECT NUMERICAL SIMULATIONS OF MULTIPHASE FLOW

Gretar Tryggvason
Johns Hopkins University

ABSTRACT

During the last decade, direct numerical simulations of multiphase flow have emerged as a major research tool. It is now possible, for example, to simulate the motion of several hundred bubbles and particles in simple flows and to obtain meaningful average quantities that can be compared with experimental results. While the generation of new numerical algorithms that are more accurate, faster, and more robust is important and will continue, the state-of-the-art in direct numerical simulations will be defined by two issues: The use of direct numerical simulations to achieve breakthrough understand of real physical systems and the development of numerical methods to deal with complex multiphysics systems found in engineering applications. Although progress can be made by ad-hoc funding of individual projects, it is argued that funding focused on project that are on the critical path will accelerate progress.


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