VALIDATION OF A SEMI-EMPIRICAL CODE FOR ROCKET AERODYNAMIC PERFORMANCE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION

D.M. Joo; M.K. Kim; S.M. Park; N.Y. Lee; H. Kim

doi:10.6112/kscfe.2025.30.4.047

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2025 Vol.30, Issue 4 Preview Page Next Page

Original Article

VALIDATION OF A SEMI-EMPIRICAL CODE FOR ROCKET AERODYNAMIC PERFORMANCE PREDICTION AND MULTI-OBJECTIVE OPTIMIZATION 로켓 공력 성능 예측을 위한 반경험식 코드 검증 및 다목적 최적화

31 December 2025. pp. 47-69

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Abstract

This study verifies accuracy of a semi-empirical (SEM) code for predicting the aerodynamic performance of rockets. The reliability of the SEM code was established by cross- validating its results with those from CFD simulations and Missile DATCOM. Subsequently, the NSGA-II evolutionary algorithm was applied to perform a multi-objective optimization considering both the lift-to-drag ratio and static margin for a wide range of freestream Mach numbers. As a result, the optimized configuration demonstrated improvements in both performance metrics, thereby validating the efficiency and practicality of the semi-empirical design approach as a tool for early-stage conceptual design of rockets in high-speed flow environments.

Keywords

Rocket aerodynamics

Semi-empirical method

Evolutionary algorithm

Multi-objective optimization

키워드

로켓 공력

반경험식

유전 알고리듬

다목적 최적화

References

2018, Cao, R. and Zhang, X., “Multi-objective optimization of the aerodynamic shape of a long-range guided rocket,” Struct. Multidiscip. Optim., Vol.57, pp.1779-1792.

10.1007/s00158-017-1845-7

2014, Zhou, C.S. and Ju, Y.T., “Theory of Rocket Projectile Design,” Beijing Institute of Technology Press, Beijing, Ch.6.

1998, William, B.B., “Missile DATCOM user’s manual – 1997 Fortran 90 revision,” Air Force Research Laboratory, Ohio, pp.45433-7531.

2002, Deb, K., Pratap, A., Agarwal, S. and Meyarivan, T., “A fast and elitist multiobjective genetic algorithm: NSGA-II,” IEEE Trans. Evol. Comput., Vol.6, No.2, pp.182-197.

10.1109/4235.996017

Information

Publisher :Korean Society for Computational Fluids Engineering
Publisher(Ko) :한국전산유체공학회
Journal Title :Journal of Computational Fluids Engineering
Journal Title(Ko) :한국전산유체공학회지
Volume : 30
No :4
Pages :47-69
Received Date : 2025-08-26
Revised Date : 2025-10-30
Accepted Date : 2025-10-31
DOI :https://doi.org/10.6112/kscfe.2025.30.4.047

Journal of Computational Fluids Engineering ISSN:1598-6071(Print) 3022-6252(Online) 한국전산유체공학회지

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