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Aerospace
Volume 12
Issue 5
10.3390/aerospace12050404
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method

by
Yuan Cui
,
Jiandong He
*,
Qiuhong Li
† and
Bokai Zhang
†
School of Aeronautics, Inner Mongolia University of Technology, Hohhot 010051, China
*
Author to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Aerospace 2025, 12(5), 404; https://doi.org/10.3390/aerospace12050404
Submission received: 6 April 2025 / Revised: 30 April 2025 / Accepted: 30 April 2025 / Published: 2 May 2025
(This article belongs to the Section Aeronautics)
Versions Notes

Abstract

In actual flight, aircraft rarely operate under a single design condition; multiple flight states must be considered to meet performance requirements. With the push for green and low-carbon aviation, there is growing demand for high-performance, fuel-efficient aircraft. This study focuses on the Blended Wing Body (BWB) configuration. To address large-scale design variables and multiple constraints, a discrete adjoint-based aerodynamic optimization method is developed, improving computational efficiency and reducing cost.The optimization results show reduced drag coefficients across various flight conditions and enhanced drag divergence performance. The robustness of the multi-point optimization approach is validated, confirming its ability to improve aircraft performance across different states. The proposed method is practical and provides an effective reference for aerodynamic design of BWB aircraft.
Keywords: discrete adjoint method; aerodynamic optimization design; multi-point optimization; blended wing body; computational fluid dynamic. discrete adjoint method; aerodynamic optimization design; multi-point optimization; blended wing body; computational fluid dynamic.

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MDPI and ACS Style

Cui, Y.; He, J.; Li, Q.; Zhang, B. Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method. Aerospace 2025, 12, 404. https://doi.org/10.3390/aerospace12050404

AMA Style

Cui Y, He J, Li Q, Zhang B. Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method. Aerospace. 2025; 12(5):404. https://doi.org/10.3390/aerospace12050404

Chicago/Turabian Style

Cui, Yuan, Jiandong He, Qiuhong Li, and Bokai Zhang. 2025. "Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method" Aerospace 12, no. 5: 404. https://doi.org/10.3390/aerospace12050404

APA Style

Cui, Y., He, J., Li, Q., & Zhang, B. (2025). Multi-Point Optimization Design of Blended Wing Body Based on Discrete Adjoint Method. Aerospace, 12(5), 404. https://doi.org/10.3390/aerospace12050404

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