Chuanqiang Gao
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View article: Aerodynamic Shape Optimization of Rockets Based on a Multi-Fidelity Neural Network Surrogate Model
Aerodynamic Shape Optimization of Rockets Based on a Multi-Fidelity Neural Network Surrogate Model Open
This study presents a complete workflow integrating parametric modeling of complex rocket geometries, multi-fidelity data fusion, deep neural network surrogate, and aerodynamic shape optimization. A CAD-based parametric approach was implem…
View article: Effect of canard-chordwise blowing on the aerodynamic characteristics of blended wing body aircraft
Effect of canard-chordwise blowing on the aerodynamic characteristics of blended wing body aircraft Open
To enhance the effect of the canard increasing lift and pitching moment coefficient of the blended-wing-body(BWB) aircraft, numerical simulation is adopted to analyze the effect of the canard-chordwise blowing on the low-speed aerodynamic …
View article: Dynamic Stall Modeling of the Wind Turbine Blade with a Data-Knowledge-Driven Method
Dynamic Stall Modeling of the Wind Turbine Blade with a Data-Knowledge-Driven Method Open
View article: A Unified Vortex-Induced Vibration Plot Incorporating Scaling Parameter Derived by Symbolic Regression
A Unified Vortex-Induced Vibration Plot Incorporating Scaling Parameter Derived by Symbolic Regression Open
View article: Dynamic characteristic of transonic aeroelasticity affected by fluid mode in pre-buffet flow
Dynamic characteristic of transonic aeroelasticity affected by fluid mode in pre-buffet flow Open
Transonic aeroelasticity remains a significant challenge in aerospace. The coupling mechanism of aeroelastic problems involving the coexistence of fluid modes and multiple structural modes still needs further investigation. For this purpos…
View article: Numerical Simulation Method for the Aeroelasticity of Flexible Wind Turbine Blades under Standstill Conditions
Numerical Simulation Method for the Aeroelasticity of Flexible Wind Turbine Blades under Standstill Conditions Open
With the trend towards larger and lighter designs of wind turbines, blades are progressively being developed to have longer and more flexible configurations. Under standstill conditions, the separated flow induced by a wide range of incide…
View article: Transonic Buffet Suppression by Airfoil Optimization
Transonic Buffet Suppression by Airfoil Optimization Open
The main buffet suppression techniques of aircrafts include active and passive flow control, aiming to reduce the impact of the fluctuating loads on the airfoil. These techniques are remedies after the airfoil design. The buffet suppressio…
View article: Dynamic Stall Modeling of Wind Turbine Blade Sections Based on a Data-Knowledge Fusion Method
Dynamic Stall Modeling of Wind Turbine Blade Sections Based on a Data-Knowledge Fusion Method Open
View article: Adaptive control of transonic buffet and buffeting flow with deep reinforcement learning
Adaptive control of transonic buffet and buffeting flow with deep reinforcement learning Open
The optimal control of flow and fluid–structure interaction (FSI) systems often requires an accurate model of the controlled system. However, for strongly nonlinear systems, acquiring an accurate dynamic model is a significant challenge. I…
View article: Open-loop flow control design guided by the amplitude-frequency characteristics of the reduced-order model
Open-loop flow control design guided by the amplitude-frequency characteristics of the reduced-order model Open
Unsteady separated flow is a common flow condition causing many detrimental effects in aerospace and other fields. Open-loop control is a potential means to eliminate these drawbacks. At present, the unsatisfactory performance of open-loop…
View article: Study on Optimization Design of Airfoil Transonic Buffet with Reinforcement Learning Method
Study on Optimization Design of Airfoil Transonic Buffet with Reinforcement Learning Method Open
Transonic buffet is a phenomenon of large self-excited shock oscillations caused by shock wave-boundary layer interaction, which is one of the common flow instability problems in aeronautical engineering. This phenomenon involves unsteady …
View article: A novel convergence enhancement method based on Online Dimension Reduction Optimization
A novel convergence enhancement method based on Online Dimension Reduction Optimization Open
Iterative steady-state solvers are widely used in computational fluid dynamics. Unfortunately, it is difficult to obtain steady-state solution for unstable problem caused by physical instability and numerical instability. Optimization is a…
View article: Transonic Buffet Active Control with Local Smart Skin
Transonic Buffet Active Control with Local Smart Skin Open
Transonic flight has high economic benefits, but the appearance of transonic buffet limits the flight envelope. The shock control bump currently used for transonic buffet suppression tends to degrade the aerodynamic performance of the non-…
View article: Flow-Induced Vibration Modeling of Bluff Bodies with Data Assimilation
Flow-Induced Vibration Modeling of Bluff Bodies with Data Assimilation Open
View article: The complexity and mechanism of transonic aeroelastic problems
The complexity and mechanism of transonic aeroelastic problems Open
In high-speed flight, transonic aeroelasticity commonly exists, leading to various problems such as transonic flutter, buffeting and buzz. To solve these problems, a good understanding of the underlying physical mechanisms is critical. Unf…
View article: Side force control on slender body by self-excited oscillation flag
Side force control on slender body by self-excited oscillation flag Open
Strong asymmetrical vortices appear on the leeward of slender body at high angles of attack, which has very unfavorable effect on the stability and control of the aircraft. A method is developed to control the side force of slender body at…
View article: Characteristic analysis of lock-in for an elastically suspended airfoil in transonic buffet flow
Characteristic analysis of lock-in for an elastically suspended airfoil in transonic buffet flow Open
Numerical simulations are performed to study the aeroelastic responses of an elastically suspended airfoil in transonic buffet flow, by coupling the unsteady Reynolds-averaged Navier-Stokes (RANS) equations and structural motion equation. …