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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：The Application of Continuous Adjoint Method for Shape Optimization in Navier-Stokes Flow
连续伴随法 纳维-斯托克斯流 形状优化
2023/5/8
In this work, the shape optimization problem of a solid immersed in the incompressible fluid governed by Navier-Stokes equations is considered. Based on the continuous adjoint method, the shape gradie...
Unsteady Adjoint Method for the Optimal Control of Advection and Burger’s Equations using High-Order Spectral Difference Method
Unsteady Adjoint Method Optimal Control Advection Burger’s Equations High-Order Spectral
2015/7/3
In this study, we investigate the method for adjoint-based optimal control of linear and non-linear equations. In particular, we are interested in the formulation of the unsteady adjoint method based ...
NLF Airfoil and Wing Design by Adjoint Method and Automatic Transition Prediction
NLF Airfoil Wing Design Adjoint Method Automatic Transition Prediction
2015/7/3
This paper describes the application of optimization technique based on control theory for natural-laminar-°ow airfoil and wing design in viscous compressible °ow modeled by the Reynolds averaged Navi...
AN ADJOINT METHOD FOR DESIGN OPTIMIZATION OF SHIP HULLS
ADJOINT METHOD DESIGN OPTIMIZATION SHIP HULLS
2015/7/2
We present a design optimization method for reducing the wave resistance (drag) of surface piercing hulls.
Flutter is one of the most frequently encountered problems in aeroelasticity. Flutter control is therefore of great importance. It has been shown that flutter can be adequately modeled using a s...
Multi-Element High-Lift Configuration Design Optimization Using Viscous Continuous Adjoint Method
Multi-Element High-Lift guration Design Optimization Viscous Continuous Adjoint Method
2015/7/2
An adjoint-based Navier–Stokes design and optimization method for two-dimensional multi-element high-lift configurations is derived and presented. The compressible Reynolds-averaged Navier–Stoke...
A continuous adjoint method for unstructured grids
continuous adjoint method unstructured grids
2015/7/2
Adjoint based shape optimization methods have proven to be computationally efficient for aerodynamic problems. The majority of the studies on adjoint methods have used structured grids to discret...
Aerodynamic Shape Optimization Using the Adjoint Method
Aerodynamic Shape Optimization Adjoint Method
2015/7/2
These Lecture Notes review the formulation and application of optimization techniques based on control theory for aerodynamic shape design in both inviscid and viscous compressible ow. The theory is a...
SONIC BOOM REDUCTION USING AN ADJOINT METHOD FOR WING-BODY CONFIGURATIONS IN SUPERSONIC FLOW
SONIC BOOM REDUCTION ADJOINT METHOD WING-BODY CONFIGURATIONS SUPERSONIC FLOW
2015/7/2
This paper presents an adjoint method for the calculation of remote sensitivities in supersonic flow. The goal is to develop a set of adjoint equations and their corresponding boundary condition...
Sonic Boom Reduction using an Adjoint Method for Supersonic Transport Aircraft Configurations
Sonic Boom Reduction Adjoint Method Supersonic Transport Aircraft gurations
2015/7/2
The objective of this work is to develop the nec essary methods and tools to facilitate the design of low sonic boom aircraft that can fly superson ically over land with negligible environmental...
Design Optimization of High–Lift Configurations Using a Viscous Continuous Adjoint Method
Design Optimization High–Lift Confi gurations Viscous Continuous Adjoint Method
2015/7/2
An adjoint-based Navier-Stokes design and optimization method for two-dimensional multi-element high-lift configurations is derived and presented. The compressible Reynolds-Averaged Navier-Stoke...
An Adjoint Method for the Calculation of Remote Sensitivities in Supersonic Flow
Adjoint Method Calculation Remote Sensitivities Supersonic Flow
2015/7/2
This paper presents an adjoint method for the cal culation of remote sensitivities in supersonic flow.The goal is to develop a set of discrete adjoint equa tions and their corresponding boundary...
Two-dimensional High-Lift Aerodynamic Optimization Using the Continuous Adjoint Method
Two-dimensional High-Lift Aerodynamic Optimization Continuous Adjoint Method
2015/7/2
An adjoint-based Navier-Stokes design and optimization method for two-dimensional multi-element high-lift configurations is derived and presented. The compressible Reynolds-Averaged Navier-Stokes (RAN...
Sensitivity of the adjoint method in the inversion of tsunami source parameters
the adjoint method tsunami source parameters
2009/12/10
This paper tests a methodology for tsunami wave-form inversion, based on the adjoint method. The method is designed to perform the direct optimization of the tsunami fault parameters, from tide-gauge ...
Data Assimilation in a Quasi-geostrophic Open-Ocean Model of the Gulf Stream Region Using the Adjoint Method
quasi-geostrophic Gulf Stream Region Quasi-geostrophic Open-Ocean Model
2008/12/23
The method of adjoint data assimilation is applied in a quasi-geostrophic (QG) open-ocean model of the Gulf Stream region. The results of data assimilation experiments are presented in which simulated...