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http://dx.doi.org/10.5139/JKSAS.2007.35.5.375

Nonlinear Aerodynamic Analysis of Wing with Control Surface Using an Iterative Decambering Approach  

Cho, Jeong-Hyun (한양대학교 대학원 기계공학과)
Joung, Yong-In (한양대학교 대학원 기계공학과)
Cho, Jin-Soo (한양대학교 기계공학부)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.35, no.5, 2007 , pp. 375-380 More about this Journal
Abstract
The nonlinear aerodynamic analysis of wing with control surface is performed using the frequency-domain panel method. To take into consideration the nonlinear aerodynamic characteristics of wing an iterative decambering approach is introduced. The iterative decambering approach uses the known aerodynamic characteristics of airfoil to calculate the aerodynamic characteristics of wing. The multi-dimensional Newton iteration is used to account for the coupling between the different sections of wing. The present method is verified by showing that it produces results that are in good agreement with experiments. The present method will be useful for the analysis of aircraft in the conceptual design because the present method can calculate promptly the nonlinear aerodynamic characteristics of wing with a few computing resources.
Keywords
Nonlinear Aerodynamic Characteristics; Frequency-domain Panel Method; Iterative Decambering Approach; Newton Iteration;
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