In this research, a novel inverse design algorithm called, Elastic Surface Algorithm (ESA), is developed for viscose and inviscid external flow regimes. ESA is a physically based iterative inverse design method that uses flow analysis code to estimate the pressure distribution on the solid structure, i.e. airfoil, and a 2D solid beam finite element code to calculate the deflections due to the difference between the calculated and target pressure distribution. The proposed method is validated through the inverse design of three different airfoils. In addition, two design examples are presented to prove the robustness of the method in various flow regimes. Also, the convergence rate of this method is compared with flexible membrane method (MGM) and Ball-Spine Algorithm (BSA) methods in inviscid flow regime. The results of this study showed that not only the ESA method is an effective method for inverse design of airfoils, but also it can considerably increase the convergence rate in transonic flow regimes.
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ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis
July 25–27, 2014
Copenhagen, Denmark
Conference Sponsors:
- International
ISBN:
978-0-7918-4583-7
PROCEEDINGS PAPER
Airfoil Shape Design via Elastic Surface Inverse Design Method
M. Nili-Ahmadabadi,
M. Nili-Ahmadabadi
Isfahan University of Technology, Isfahan, Iran
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M. Safari,
M. Safari
Isfahan University of Technology, Isfahan, Iran
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A. Ghaei,
A. Ghaei
Isfahan University of Technology, Isfahan, Iran
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E. Shirani
E. Shirani
Foolad Institute of Technology, Fooldshahr, Isfahan, Iran
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M. Nili-Ahmadabadi
Isfahan University of Technology, Isfahan, Iran
M. Safari
Isfahan University of Technology, Isfahan, Iran
A. Ghaei
Isfahan University of Technology, Isfahan, Iran
E. Shirani
Foolad Institute of Technology, Fooldshahr, Isfahan, Iran
Paper No:
ESDA2014-20206, V001T13A003; 9 pages
Published Online:
October 23, 2014
Citation
Nili-Ahmadabadi, M, Safari, M, Ghaei, A, & Shirani, E. "Airfoil Shape Design via Elastic Surface Inverse Design Method." Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. Volume 1: Applied Mechanics; Automotive Systems; Biomedical Biotechnology Engineering; Computational Mechanics; Design; Digital Manufacturing; Education; Marine and Aerospace Applications. Copenhagen, Denmark. July 25–27, 2014. V001T13A003. ASME. https://doi.org/10.1115/ESDA2014-20206
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