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Author : Christine M. Darden
Publisher : Unknown
Page : 40 pages
File Size : 55,8 Mb
Release : 1988
Category : Sonic boom
ISBN : NASA:31769000468721
Author : Christine M. Darden
Publisher : Unknown
Page : 23 pages
File Size : 41,7 Mb
Release : 1989
Category : Electronic
ISBN : OCLC:977623994
Author : Daniel G. Baize
Publisher : Unknown
Page : 400 pages
File Size : 52,5 Mb
Release : 1996
Category : High-speed aeronautics
ISBN : PSU:000026256849
Author : David A. McCurdy
Publisher : Unknown
Page : 236 pages
File Size : 48,8 Mb
Release : 1994
Category : High-speed aeronautics
ISBN : NASA:31769000471170
Author : Romesh C. Batra
Publisher : Springer Science & Business Media
Page : 696 pages
File Size : 50,5 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642800016
Fatigue failures occur in aerospace,marine,nuclear structures and automobile com ponents from initiation and propagation of cracks from holes,scratches or defects in the material. To design against these failures, crack propagation life and fracture strength need to be accurately predicted. It is reported in the literature, that these failures often initiate as surface cracks, corner cracks and cracks emanating from fastner holes. Such cracks are with elliptic or nearly elliptic in shapes. The deviation from elliptic shape is due to varying constraint effect along the crack front. Even in situations, when the cracks are through the thickness of the material, there would be thicknesswise variation of constraint effects leading to three dimensional nature of crack growth. Accurate predictions of the crack growth in these cases by numerical methods can be made only by solving three-dimensional boundary value problems. Empirical relationships have been developed [1] based on Linear Elastic Fracture Mechanics over years describing fatigue crack growth response. Some of these empirical relationships required modifications in the later stages, to meet the design applications. The Crack closure phenomenon discovered by Elber[2, 3] during the crack growth phase is mainly attributed to the local material yielding near the crack tip and the consequent residual plastic wake behind the crack tip. It helped considerably in understanding several aspects of fatigue crack growth and rewrite these relations.
Author : Anonim
Publisher : Unknown
Page : 980 pages
File Size : 55,6 Mb
Release : 2010
Category : Aeronautics
ISBN : IND:30000132750666
Author : Joseph R. Chambers
Publisher : Unknown
Page : 406 pages
File Size : 53,9 Mb
Release : 2005
Category : Aeronautics
ISBN : IND:30000109243109
Author : David A. Caughey,M. M. Hafez
Publisher : World Scientific
Page : 508 pages
File Size : 53,8 Mb
Release : 1998
Category : Science
ISBN : 9810237073
The first volume of Frontiers of Computational Fluid Dynamics was published in 1994 and was dedicated to Prof Antony Jameson. The present volume is dedicated to Prof Earll Murman in appreciation of his original contributions to this field.The book covers the following topics: Transonic and Hypersonic AerodynamicsAlgorithm Developments and Computational TechniquesImpact of High Performance ComputingApplications in Aeronautics and BeyondIndustrial PerspectivesEngineering EducationThe book contains 25 chapters written by leading researchers from academia, government laboratories, and industry
Author : Anonim
Publisher : Unknown
Page : 988 pages
File Size : 46,8 Mb
Release : 1989
Category : Aeronautics
ISBN : UIUC:30112075701711
Author : Anonim
Publisher : Unknown
Page : 178 pages
File Size : 45,8 Mb
Release : 1991
Category : Aeronautics
ISBN : NASA:31769000660350
Author : H Hoback
Publisher : World Scientific
Page : 720 pages
File Size : 41,6 Mb
Release : 1993-06-18
Category : Electronic
ISBN : 9789814552783
The large range of applications of acoustical methods and techniques in modern society demands a thorough exploration of the nonlinear properties of sound wave propagation in different media and environments, and of the effects caused by nonlinear interaction of sound and medium. The great range of interesting physical phenomena which occur in nonlinear acoustics helps stimulate the extensive research in the field.
Author : Anonim
Publisher : Unknown
Page : 848 pages
File Size : 50,9 Mb
Release : 1970
Category : Aeronautics
ISBN : MINN:31951000607668E
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Anonim
Publisher : Unknown
Page : 64 pages
File Size : 45,7 Mb
Release : 1992
Category : Electronic
ISBN : NASA:31769000689441
Author : Anonim
Publisher : Unknown
Page : 554 pages
File Size : 55,7 Mb
Release : 1993
Category : Fluid dynamics
ISBN : PSU:000023394629
Author : Anonim
Publisher : Unknown
Page : 562 pages
File Size : 40,5 Mb
Release : 2003
Category : Fluid dynamics
ISBN : PSU:000051418090