Design Optimization of Vortex Generators for a Junction Vortex of Wing-Body Configuration by Discrete Adjoint Approach

2013 ◽  
Author(s):  
JunSok Yi ◽  
Chongam Kim
Keyword(s):  
Design Optimization ◽  
Vortex Generators ◽  
Discrete Adjoint ◽  
Adjoint Approach

Discrete Adjoint Approach for Nonlinear Unsteady Aeroelastic Design Optimization

AIAA Journal ◽  
2019 ◽  
Vol 57 (10) ◽  
pp. 4368-4376 ◽  
Author(s):  
Jeffrey P. Thomas ◽  
Earl H. Dowell
Keyword(s):  
Design Optimization ◽  
Discrete Adjoint ◽  
Aeroelastic Design ◽  
Adjoint Approach

Sensitivity Analysis of Flexible Multibody Systems Based on the Motion Formalism and the Discrete Adjoint Method

2018 ◽  
Author(s):  
Alfonso Callejo ◽  
Valentin Sonneville ◽  
Olivier A. Bauchau
Keyword(s):  
Sensitivity Analysis ◽  
Design Optimization ◽  
Cross Sections ◽  
Adjoint Method ◽  
Optimization Methods ◽  
Sensitivity Analyses ◽  
Discrete Adjoint ◽  
Discrete Adjoint Method ◽  
Flexible Multibody ◽  
Forward Equations

The combination of analysis and optimization methods in mechanical engineering, also known as design optimization, has great potential in product development. Robust sensitivity analyses that provide reliable and efficient objective function gradients play a key role in design optimization. This paper presents a discrete adjoint method for the sensitivity analysis of flexible mechanical systems. The ultimate goal is to be able to relate the physical properties of beam cross-sections to the dynamic behavior of the system, which is key to design realistic flexible elements. The underlying flexible multibody formulation is one that supports large-amplitude motion, beams with sophisticated composite cross-sections, and kinematic joints. A summary of the kinematic and dynamic foundations of the forward equations is presented first. Then, a discrete adjoint method, along with meaningful examples and validation, is presented. The method has proven to provide extremely accurate and reliable sensitivities.

Numerical Optimization of the Defrosting Performance of the Vehicle Based on Discrete Adjoint Approach

2021 ◽  
Vol 22 (1) ◽  
pp. 109-118
Author(s):  
Sishi Cao ◽  
Zhifei Zhang ◽  
Yunwei Huang ◽  
Quanzhou Zhang ◽  
Zhongming Xu
Keyword(s):  
Numerical Optimization ◽  
Discrete Adjoint ◽  
Adjoint Approach

Reduction of Airframe Noise Components Using a Discrete Adjoint Approach

2017 ◽  
Author(s):  
Beckett Zhou ◽  
Tim A. Albring ◽  
Nicolas R. Gauger ◽  
Carlos Ilario ◽  
Thomas D. Economon ◽  
...  
Keyword(s):  
Airframe Noise ◽  
Discrete Adjoint ◽  
Adjoint Approach
Sign in / Sign up

Export Citation Format

Share Document