搜索结果: 1-15 共查到“航天器结构与设计 Design”相关记录16条 . 查询时间(0.165 秒)
How to design a sail that won’t tear or melt on an interstellar voyage（图）
星际航行 帆 机械工程 应用力学 航天器结构与设计
2023/7/11
Astronomers have been waiting decades for the launch of the James Webb Space Telescope, which promises to peer farther into space than ever before. But if humans want to actually reach our nearest ste...
This article traces the evolution of long range jet transport aircraft over the 50 years since Kuechemann founded the journal Progress in Aerospace Sciences. The article is particularly focused on tra...
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...
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...
Pseudolites (PLs), ground-based satellites transmitting GPS-like signals, are becoming increasingly useful for a variety of applications, including differential GPS correction broadcasting and aircraf...
Acquisition and Tracking of GIOVE-A Broadcast L1/E5/E6 Signals and Analysis of DME/TACAN Interference on Receiver Design
GIOVE-A Broadcast L1/E5/E6 Signals DME/TACAN Interference Receiver
2015/6/25
This paper demonstrates the tracking and acquisition of GIOVE-A broadcast L1/E5/E6 signals of the Galileo system using a multi-signal all-in-view software receiver. We show that existing aeronautical ...
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...
Aspects of Wing Design
Wing Design plane
2015/6/18
Another key issue for successful implementation of the continuous adjoint
method is the choice of an appropriate inner product for the definition of the
gradient. It turns out that there is an...
Stochastic Gust Analysis Techniques for Aircraft Conceptual Design
Aircraft Conceptual Design Gust Analysis Techniques
2015/6/18
A set of gust
simulation studies are carried out to assess the relative importance of the various physics
involved in aircraft gust encounters and the effects of different modeling assum...
Multifidelity Design Optimization of Low-Boom Supersonic Jets
Low-Boom Supersonic Jets Optimization
2015/6/18
The practical use of high-fidelity multidisciplinary optimization techniques in low-boom supersonic business-jet
designs has been limited because of the high computational cost associated with ...
ENHANCED COLLABORATIVE OPTIMIZATION: A DECOMPOSITION-BASED METHOD FOR MULTIDISCIPLINARY DESIGN
Design decomposition method plane
2015/6/18
While ATC was originally developed for object-based decomposition,
it is also applicable to multidisciplinary design problems. In this
paper, both methods are applied to a set of test cases.
Enhanced Collaborative Optimization: Application to an Analytic Test Problem and Aircraft Design
Analytic Test Problem Aircraft Design
2015/6/18
This paper provides an introduction to a new method for distributed optimization based
on collaborative optimization, a decomposition-based method for the optimization of complex multidisciplinary de...
Aircraft Family Design Using Decomposition-based Methods
Decomposition-based Methods Family Design
2015/6/18
Two decomposition-based methods are applied to the aircraft family problem: collaborative optimization and analytical target cascading. This paper marks
the beginning of a collaborative effort ...
Framework for Aircraft Conceptual Design and Environmental Performance Studies
Conceptual Design Environmental Performance Studies
2015/6/18
A preliminary design tool that uses a multiobjective genetic algorithm
to determine optimal aircraft configurations and to estimate the sensitivities between the conflicting objectives of...
Artificial Sun synchronous frozen orbit control scheme design based on J2 perturbation
ontinuous low-thrust Artificial Sun synchronous orbit Artificial frozen orbit Gauss’ variation of parameters equations Mean element method
2012/2/29
Sun synchronous orbit and frozen orbit formed due to $J_{2}$ perturbation have very strict constraints on orbital parameters, which have restricted the application a lot. In this paper, several contro...