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AERODYNAMIC SHAPE OPTIMIZATION USING UNSTRUCTURED GRID METHODS
AERODYNAMIC SHAPE OPTIMIZATION UNSTRUCTURED GRID METHODS
2015/7/2
The mesh movement techniques were effective in reducing the grid generation wall clock time by 70%. Detailed results of the AIRPLANE-based optimization technique are presented. The performance gains r...
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...
A COMPARISON OF THE CONTINUOUS AND DISCRETE ADJOINT APPROACH TO AUTOMATIC AERODYNAMIC OPTIMIZATION
COMPARISON CONTINUOUS DISCRETE ADJOINT APPROACH AUTOMATIC AERODYNAMIC OPTIMIZATION
2015/7/2
This paper compares the continuous and discrete adjoint-based automatic aerodynamic optimization.The objective is to study the trade-off between the complexity of the discretization of the adjoi...
Aerodynamic Shape Optimization Techniques Based On Control Theory
Aerodynamic Shape Optimization Techniques Based Control Theory
2015/7/2
This paper reviews the formulation and application of optimization techniques based on control theory for aerodynamic shape design in both inviscid and viscous compressible flow. The theory is applied...
Aerodynamic shape optimization of supersonic aircraft configurations via an adjoint formulation on distributed memory parallel computers
Aerodynamic shape optimization supersonic aircraft configurations via adjoint formulation distributed memory parallel computers
2015/7/1
This work describes the application of a control theory-based aero dynamic shape optimization method to the problem of supersonic aircraft design.
Aerodynamic shape optimization of complex aircraft configurations via an adjoint formulation
Aerodynamic shape optimization complex aircraft configurations via adjoint formulation
2015/7/1
This work describes the implementation of optimization techniques based on control theory for complex aircraft configurations. Here control theory is employed to derive the adjoint differential equati...
Automatic Aerodynamic Optimization on Distributed Memory Architectures
Automatic Aerodynamic Optimization Distributed Memory Architectures
2015/7/1
This paper presents a parallel implementation of an automatic Euler design method based on the control theory of systems governed by partial differential equations. The Euler equations and the r...
Aerodynamic Shape Optimization of Wing and Wing- B CI dy Configurations Using Control Theory
Aerodynamic Shape Optimization Wing- B CI Configurations Control Theory
2015/7/1
This paper describes the implementation of op-timization techniques based on control theory for wing and wing-body design. In previous stud-ies [18, 19,221 it wasshown that control theory could be use...
The optimization of linear systems will be considered, subject to restrictions on the form of the control.
Error bound optimization using second order cone programming
Error bound optimization second order cone programming
2015/6/26
In safety of life applications using satellite navigation, the Protection Level (PL) equation translates what is known about the pseudorange errors into a hard bound on the positioning error (the Prot...
Optimization of a Vertical Protection Level Equation for Dual Frequency SBAS
Optimization Vertical Protection Level Equation Dual Frequency SBAS
2015/6/24
The advent of dual frequency Satellite Based Augmentation Systems (SBAS) will allow the aviation community to address some of the shortcomings of the current SBAS Minimum Operational Performance Stand...
Aerodynamic Shape Optimization of Airfoils in Ultra-Low Reynolds Number Flow using Simultaneous Pseudo-Time Stepping
Ultra-Low Reynolds Number Flow Shape Optimization of
2015/6/23
The paper presents numerical results of optimized airfoils at ultra-low
Reynolds numbers. These investigations are carried out to understand the aerodynamic
issues related to the low speed and micro...
Airplane Design with Aerodynamic Shape Optimization
Aerodynamic Shape Optimization Airplane Design
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...
Aerodynamic Inverse Design and Shape Optimization via Control Theory
Aerodynamic Inverse Design 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 Sequel to Lighthill’s Early Work — Aerodynamic Inverse Design and Shape Optimization via Control Theory
Design and Shape via Control Theory
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
imp...