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UNCONDITIONAL STABLE SOLUTIONS OF THE EULER EQUATIONS FOR TWO-AND THREE-D WINGS IN ARBITRARY MOTION
引用本文:高正红.UNCONDITIONAL STABLE SOLUTIONS OF THE EULER EQUATIONS FOR TWO-AND THREE-D WINGS IN ARBITRARY MOTION[J].应用数学和力学(英文版),1995,16(12):1209-1220.
作者姓名:高正红
摘    要:UNCONDITIONALSTABLESOLUTIONSOFTHEEULEREQUATIONSFORTWO-ANDTHREE-DWINGSINARBITRARYMOTIONGaoZhenghong(高正红)(ReceivedJan.12,1995,C...

收稿时间:12 January 1995

Unconditional stable solutions of the Euler equations for two-and three-d wings in arbitrary motion
Gao Zhenghong.Unconditional stable solutions of the Euler equations for two-and three-d wings in arbitrary motion[J].Applied Mathematics and Mechanics(English Edition),1995,16(12):1209-1220.
Authors:Gao Zhenghong
Institution:Gao Zhenghong
Abstract:The work presented here shows the unsteady inviscid results obtained for the twoand three-dimensional wings which are in rigid and flexible osciliations.The results are generated by a finite volume Euler method. It is based on theRunge- Kutta time stepping scheme developed by Jameson et al.. To increase the timestep which is limited by the stability of Runge-Kutta scheme, the implicit residualsmoothing which is modified by using variable coefficients io prerent the loss of flowphysics for the unsteady flows is engaged in the calculations. With this unconditionalstable solver the unsteady flws about the wings in arbitrary motion can be receivedefficiently.The two- and three-dimensional rectangular wings which are in rigid andflexible pitching oscillations in the transonic flow are invesigated here, some of thecomputational results are compared with the experimental data. The influence of thereduced frequency for the two kinds of the wings are researched. All the results givenin this work are reasonable.
Keywords:Euler equations  unsteady flow  transonic flow  CFD
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