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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...
Industrial Applications of Aerodynamic Shape Optimization
Industrial Applications Aerodynamic Shape Optimization
2015/7/3
This is the second of three lectures prepared by the authors for the von Karman Institute that deal with the subject of aerodynamic shape optimization. In our first lecture we introduced some th...
Computational Aerodynamics:Solvers and Shape Optimization
computational fl uid dynamics aerodynamics shape optimization
2015/7/3
Aeronautics, and in particular aerodynamics, has been one of the main technological drivers for the development of computational fluid dynamics (CFD).
Shape Sensitivity of Free-Surface Interfaces Using a Level Set Methodology
Shape Sensitivity Free-Surface Interfaces Level Set Methodology
2015/7/3
In this paper we develop the continuous adjoint methodology to compute shape sensitivi ties in free-surface hydrodynamic design problems using the incompressible Euler equations and the level set meth...
Optimum Shape Design for Unsteady Flows with Time-Accurate Continuous and Discrete Adjoint Methods
Optimum Shape Design Unsteady Flows Time-Accurate Continuous Discrete Adjoint Methods
2015/7/2
This paper presents an adjoint method for the optimal control of unsteady flows. The goal is to develop the continuous and discrete unsteady adjoint equations and their corresponding boundary co...
Optimum Shape Design for Unsteady Three-Dimensional Viscous Flows Using a Nonlinear Frequency-Domain Method
Optimum Shape Design Unsteady Three-Dimensional Viscous Flows Nonlinear Frequency-Domain Method
2015/7/2
This paper presents an adjoint method for the optimum shape design of unsteady three-dimensional viscousflows.The goal is to develop a set of discrete unsteady adjoint equations and the correspo...
VISCOUS AERODYNAMIC SHAPE OPTIMIZATION OF WINGS INCLUDING PLANFORM VARIABLES
VISCOUS AERODYNAMIC SHAPE OPTIMIZATION WINGS PLANFORM VARIABLES
2015/7/2
During the last decade, aerodynamic shape optimization methods based on control theory have been intensively developed. The methods have proved to be very e ective for improving wing section shapes fo...
STUDIES OF THE CONTINUOUS AND DISCRETE ADJOINT APPROACHES TO VISCOUS AUTOMATIC AERODYNAMIC SHAPE OPTIMIZATION
DISCRETE ADJOINT APPROACHES VISCOUS AUTOMATIC AERODYNAMIC SHAPE OPTIMIZATION
2015/7/2
This paper compares the continuous and discrete viscous adjoint-based automatic aerodynamic optimization.
Aerodynamic Shape Optimization Techniques Based On Control Theory
Aerodynamic Shape Optimization Techniques Based Control Theory
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...
Constrained multipoint aerodynamic shape optimization using an adjoint formulation and parallel computers
Constrained multipoint aerodynamic shape optimization adjoint formulation parallel computers
2015/7/1
An aerodynamic shape optimization method that treats the design of complex aircraft configurations subject to high fidelity CFD, geometric constraints and multiple design points is described. The desi...
Aerodynamic Inverse Design and Shape Optimization via Control Theory
via Control Theory Shape
2015/6/18
Capability to predict the flow past an airplane in different flight regimes such as
take off, cruise, flutter.
2 Interactive design calculations to allow immediate improvement
3 A...
A light structure is needed to reduce W0. SFC is the province of the
engine manufacturers. The aerodynamic designer should try to maximize
VL
D
. This means the cruising speed V should be increase...
For a given stress σ, the required skin thickness varies inversely as the wing
depth d. Thus weight can be reduced by increasing the thickness to chord
ratio. But this will increase shock drag in th...
Mathematical Underpinnings of Aerodynamic Shape Optimization
aerodynamic Mathematical Underpinnings
2015/6/18
Regard the wing as a device to generate lift (with minimum
drag) by controlling the flow.
Apply theory of optimal control of systems governed by PDEs
(Lions) with boundary control (the wing s...