搜索结果: 1-15 共查到“流体力学 Optimization”相关记录17条 . 查询时间(0.045 秒)
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
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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
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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
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2015/7/3
Aeronautics, and in particular aerodynamics, has been one of the main technological drivers for the development of computational fluid dynamics (CFD).
Optimization Methods in Computational Fluid Dynamics
Optimization Methods Computational Fluid Dynamics
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2015/7/3
In order to set the context for aerodynamic shape optimization, the airplane design process is summarized in the following paragraphs. It can generally be divided into three phases: conceptual design,...
VISCOUS AERODYNAMIC SHAPE OPTIMIZATION OF WINGS INCLUDING PLANFORM VARIABLES
VISCOUS AERODYNAMIC SHAPE OPTIMIZATION WINGS PLANFORM VARIABLES
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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
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2015/7/2
This paper compares the continuous and discrete viscous adjoint-based automatic aerodynamic optimization.
Two-dimensional High-Lift Aerodynamic Optimization Using the Continuous Adjoint Method
Two-dimensional High-Lift Aerodynamic Optimization Continuous Adjoint Method
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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...
Aerodynamic Shape Optimization Techniques Based On Control Theory
Aerodynamic Shape Optimization Techniques Based Control Theory
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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
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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...
Select ADO-DG Case Studies in Aerodynamic Design Optimization
Aerodynamic Design Optimization Select ADO-DG
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2015/6/18
Select ADO-DG Case Studies in Aerodynamic Design Optimization。
Aerodynamic Inverse Design and Shape Optimization via Control Theory
via Control Theory Shape
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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...
Airplane Design with Aerodynamic Shape Optimization
Shape Airplane Design
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2015/6/18
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...
Airplane Design with Aerodynamic Shape Optimization
Airplane Design aerodynamic
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2015/6/18
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
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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...
A Multifidelity Gradient-Free Optimization Method and Application to Aerodynamic Design
Optimization Method Aerodynamic Design
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2015/6/18
The use of expensive simulations in engineering design optimization often rules out
conventional techniques for design optimization for a variety of reasons, such as lack of
smoothness, unavailabili...