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Enhancement of a Class of Adjoint Design Methods via Optimization of Parameters
Enhancement Adjoint Design Methods Optimization Parameters
2015/7/3
INCE the adjoint method was introduced to aerodynamic shape optimization in 1980s [1,2], this method has become a popular choice for design problems involving fluid flow and has been succe...
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.
AERODYNAMIC SHAPE OPTIMIZATION:EXPLORING THE LIMITS OF DESIGN
AERODYNAMIC SHAPE OPTIMIZATION EXPLORING LIMITS DESIGN
2015/7/2
This paper discusses the role that computational fluid dynamics (CFD) plays in the design of aircraft. An overview of the design process is provided, covering some of the typical decisions that ...
CFD for Aerodynamic Design and Optimization:Its Evolution over the Last Three Decades
CFD Aerodynamic Design Optimization Evolution Last Three Decades
2015/7/2
The AIAA First Computational Fluid Dynamics Conference, held in Palm Springs in July 1973, signified the emergence of computational fluid dynamics (CFD) as an accepted tool for airplane de...
While aerodynamic prediction methods based CFD are now well estab lished, and quite accurate and robust, the ultimate need in the design process is to find the optimum shape which maximizes the ...
Optimum Aerodynamic Design Using the Navier–Stokes Equations
Optimum Aerodynamic Design Navier–Stokes Equations
2015/7/1
This paper describes the formulation of optimization techniques based on control theory for aerodynamic shape design in viscous compressible flow, modeled by the Navier–Stokes equations. It exte...
An Efficient Multiblock Method for Aerodynamic Analysis and Design on Distributed Memory Systems
Efficient Multiblock Method Aerodynamic Analysis Design Distributed Memory Systems
2015/7/1
The work presented in this paper describes the application of a multiblock gridding strategy to the solution of aerodynamic design optimization problems involving complex configurations. The design pr...
Optimum aerodynamic design using the Navier-Stokes equations
Optimum aerodynamic design Navier-Stokes equations
2015/7/1
This paper describes the formulation of optimization techniques based on control theory for aerodynamic shape design in viscous compressible flow, modelled by the Navier-Stokes equations. It extends p...
Analysis and Design of Numerical Schemes for Gas Dynamics 2 Artificial Diffusion and Discrete Shock Structure
Numerical Schemes Gas Dynamics Discrete Shock Structure
2015/7/1
The effect of artificial diffusion on discrete shock structures is examined for a family of schemes which includes scalar diffusion, convective upwind and split pressure (CUSP)...
Analysis and Design of Numerical Schemes for Gas Dynamics 1 Artificial Diffusion, Upwind Biasing, Limiters and Their Effect on Accuracy and Multigrid Convergence
Design of Numerical Schemes Gas Dynamics usion Upwind Biasing Limiters Accuracy Multigrid Convergence
2015/7/1
The theory of non-oscillatory scalar schemes is developed in this paper in terms of the local extremum diminishing (LED) principle that maxima should not increase and minima should not decrease. This ...
Control Theory Based Airfoil Design u for Potential Flow and a Finite Volume Discretization
Control Theory Based Airfoil Design Potential Flow Finite Volume Discretization
2015/7/1
This paper describes the implementation of opti-mization techniques based on control theory for air-foil design. In previous studies [6, 71 it was shown that control theory could be used to devise an ...
Design and Performance Analysis of a Low-Cost Aided Dead Reckoning Navigation System
Dead Reckoning General Aviation DME GPS
2015/6/29
This paper presents an aided dead reckoning navigation system based on the fusion of inexpensive inertial, air data and magnetic sensors aided by a skeletal network of radio-navigation aids. In the fu...