A METHOD TO SIMULATE THE AEROELASTIC PROBLEM BASED ON NAVIER-STOKES EQUATIONS

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2001, Vol. 18 ›› Issue (5): 397-401.

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A METHOD TO SIMULATE THE AEROELASTIC PROBLEM BASED ON NAVIER-STOKES EQUATIONS

YE Zheng-yin¹, WANG Gang¹, YANG Yong-nian¹, YANG Bin-yuan²

1. Northwestern Polytechnical University, Xi'an 710072, P R China;
2. Shanghai Aerospace Center, Shanghai 200233, P R China

Received:2001-01-19 Revised:2001-05-08 Online:2001-09-25 Published:2001-09-25

Abstract

Abstract: A dual-time scheme is used to solve the unsteady compressible Navier-Stokes equations to obtain the needed airload.The model structural equations of motions are computed simultaneously using the Runge-Kutta method to calculate the aeroelastic static deformations and responses of wings in the time-domain.The O-H type grid around the deforming wings is generated using the improved transfinite interpolation method so that grid generation in each time-step is not too time-consuming.The numerical results show the transonic flutter speed drop and nonlinear characteristics.

Key words: nonlinear flutter, transonic flow, Navier-Stokes equations

CLC Number:

V211.41

YE Zheng-yin, WANG Gang, YANG Yong-nian, YANG Bin-yuan. A METHOD TO SIMULATE THE AEROELASTIC PROBLEM BASED ON NAVIER-STOKES EQUATIONS[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2001, 18(5): 397-401.

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A METHOD TO SIMULATE THE AEROELASTIC PROBLEM BASED ON NAVIER-STOKES EQUATIONS

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