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This paper discusses the role that computational uid dynamics plays in the design of aircraft. An overview of the design process is provided, covering some of the typical decisions that a design team ...
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...
To account for the elastic nature of the sail cloth, this ow solver is coupled to NASTRAN to provide estimates of the de ections caused by the pressure loading. The results from the aeroelastic simul...
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 ...
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...
G-Force:The Design Of An Unlimited Class Reno Racer
G-Force The Design Unlimited Class Reno Racer
2015/7/2
In May 1999, Renaissance Research contracted Star Aerospace LLC to design an Unlimited Class racing aircraft. At present, modified piston-prop fighters designed before and during WWII dominate this fo...
A Gradient Accuracy Study for the Adjoin&Based Navier-Stokes Design Method
Gradient Accuracy Study Adjoin&Based Navier-Stokes Design Method
2015/7/2
A continuous adjoint method for Aerodynamic Shape Optimization (ASO) using the compressible Reynolds-Averaged Navier-Stokes (RANS) equa-tions and the Baldwin-Lomax turbulence model was implemented and...
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...
Re-Engineering the Design Process Through Computation
Re-Engineering Design Process Through Computation
2015/7/1
DURING the last 25 years, the entire process of engineering design has been revolutionized as computational simulation has come to play an increasingly dominant role. At the present time engineers spe...
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 ...
Automatic Design of Transonic Airfoils to Reduce Reduce the Shock Induced Pressure Drag
Automatic Design Transonic Airfoils Shock Induced Pressure Drag
2015/7/1
This paper discusses the use of control theory for optimum design of aerodynamic configurations. Examples are presented of the application of this msethod to the reduction of shock induced press...