期刊
JOURNAL OF COMPUTATIONAL PHYSICS
卷 159, 期 2, 页码 231-245出版社
ACADEMIC PRESS INC
DOI: 10.1006/jcph.2000.6433
关键词
hydrodynamic force; pressure; vortex methods
In the paper we present an effective method to compute forces in external flows of viscous incompressible fluids, It is an extension of the variational approach proposed initially by Quartapelle and Napolitano (1983, AIAA J. 21, 911) and is particularly well adapted to the case where a vortex method is used to solve the hydrodynamic problem. The derived formula involves a harmonic function eta and a convenient method for its determination is also shown. The effectiveness of the presented approach is confirmed by computational examples. (C) 2000 Academic Press.
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