DECOMPOSITION LINEAR NONLINEAR OF UNSTEADY-FLOW

被引：0
|
作者：
CHARVET, T
HAUVILLE, F
HUBERSON, S
机构：
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II | 1994年 / 318卷 / 08期
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中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The unsteady inviscid flow of an incompressible fluid around a moving lifting surface is considered. It is assumed that the unsteadiness can be split in two parts, the first one corresponding to a mean motion and the second one to pertubations which are small enough to be accounted for with a linear theory. The resulting decomposition is used to build up a numerical method. This method is applied to the flow around a square flat plate and is tested by comparing the result obtained with those from a fully non-linear calculation.
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页码：1019 / 1026
页数：8
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