Vorticity transfer in a leading-edge vortex due to controlled spanwise bending

K Jia, T Scofield, M Wei, S Bhattacharya - Physical Review Fluids, 2021 - APS
Many natural flyers and swimmers routinely flex their lifting or propulsive surfaces to control
the leading-edge vortex (LEV) that forms on the suction side during maneuvering at a high …

Using adjoint-based optimization to study kinematics and deformation of flapping wings

M Xu, M Wei - Journal of Fluid Mechanics, 2016 - cambridge.org
The study of flapping-wing aerodynamics faces a large control space with different wing
kinematics and deformation. The adjoint-based approach, by solving an inverse problem to …

[HTML][HTML] Adjoint-based optimization of flapping plates hinged with a trailing-edge flap

M Xu, M Wei, C Li, H Dong - Theoretical and Applied Mechanics Letters, 2015 - Elsevier
It is important to understand the impact of wing-morphing on aerodynamic performance in
the study of flapping-wing flight of birds and insects. We use a flapping plate hinged with a …

Adjoint-based optimization for thrust performance of three-dimensional pitching–rolling plate

M Xu, M Wei, C Li, H Dong - AIAA Journal, 2019 - arc.aiaa.org
An adjoint-based optimization is applied to study the thrust performance of a pitching–rolling
ellipsoidal plate in a uniform stream at Reynolds number 100. To achieve the highest thrust …

Multi-objective adjoint optimization of flow-bench port geometry

I Verma, C Hill, M Xu - 2018 - sae.org
The combustion efficiency of direct injection engines is largely dependent upon the mixing of
fuel in air, thereby creating a combustible mixture. Such a process is highly dependent upon …

Optimization of flexible flapping wings for thrust and efficiency

K Jia, M Wei - AIAA AVIATION 2021 FORUM, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2570. vid For a flexible wing in
flapping motion, different types of deformation, such as bending and twisting, may contribute …

Vorticity-transfer in a leading-edge-vortex due to controlled spanwise-bending

T Scofield, K Jia, M Wei, S Bhattacharya - AIAA Scitech 2019 Forum, 2019 - arc.aiaa.org
W a low-Reynolds-number (low-Re) airfoil accelerates from rest at a relatively high angle of
attack a leading-edgevortex (LEV) forms which gradually grows in size, rolls over and gets …

[图书][B] 2D Inviscid and Viscous Inverse Design Using Continuous Adjoint and Lax-Wendroff Formulation

CL Proctor - 2017 - search.proquest.com
The continuous adjoint (CA) technique for optimization and/or inverse-design of
aerodynamic components has seen nearly 30 years of documented success in academia …