Crack Growth Simulation And Residual Strength Prediction In Airplane Fuselages

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Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781721077243
Total Pages : 190 pages
Book Rating : 4.0/5 (772 download)

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Book Synopsis Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages by : National Aeronautics and Space Administration (NASA)

Download or read book Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-12 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objectives were to create a capability to simulate curvilinear crack growth and ductile tearing in aircraft fuselages subjected to widespread fatigue damage and to validate with tests. Analysis methodology and software program (FRANC3D/STAGS) developed herein allows engineers to maintain aging aircraft economically, while insuring continuous airworthiness, and to design more damage-tolerant aircraft for the next generation. Simulations of crack growth in fuselages were described. The crack tip opening angle (CTOA) fracture criterion, obtained from laboratory tests, was used to predict fracture behavior of fuselage panel tests. Geometrically nonlinear, elastic-plastic, thin shell finite element crack growth analyses were conducted. Comparisons of stress distributions, multiple stable crack growth history, and residual strength between measured and predicted results were made to assess the validity of the methodology. Incorporation of residual plastic deformations and tear strap failure was essential for accurate residual strength predictions. Issue related to predicting crack trajectory in fuselages were also discussed. A directional criterion, including T-stress and fracture toughness orthotropy, was developed. Curvilinear crack growth was simulated in coupon and fuselage panel tests. Both T-stress and fracture toughness orthotropy were essential to predict the observed crack paths. Flapping of fuselages were predicted. Measured and predicted results agreed reasonable well. Chen, Chuin-Shan and Wawrzynek, Paul A. and Ingraffea, Anthony R. Langley Research Center NAG1-1184; RTOP 538-02-10-01

Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages

Author : Chuin-Shan Chen
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages by : Chuin-Shan Chen

Download or read book Crack Growth Simulation and Residual Strength Prediction in Airplane Fuselages written by Chuin-Shan Chen and published by . This book was released on 1999 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Crack Growth Simulation and Residual Strength Prediction in Thin Shell Structures

Author : Chuin-shan Chen
Publisher :
ISBN 13 :
Total Pages : 486 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Crack Growth Simulation and Residual Strength Prediction in Thin Shell Structures by : Chuin-shan Chen

Download or read book Crack Growth Simulation and Residual Strength Prediction in Thin Shell Structures written by Chuin-shan Chen and published by . This book was released on 1999 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Second Joint NASA/FAA/DoD Conference on Aging Aircraft

Author :
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis The Second Joint NASA/FAA/DoD Conference on Aging Aircraft by :

Download or read book The Second Joint NASA/FAA/DoD Conference on Aging Aircraft written by and published by . This book was released on 1999 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Riveted Lap Joints in Aircraft Fuselage

Author : Andrzej Skorupa
Publisher : Springer Science & Business Media
ISBN 13 : 9400742827
Total Pages : 346 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Riveted Lap Joints in Aircraft Fuselage by : Andrzej Skorupa

Download or read book Riveted Lap Joints in Aircraft Fuselage written by Andrzej Skorupa and published by Springer Science & Business Media. This book was released on 2012-06-23 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fatigue of the pressurized fuselages of transport aircraft is a significant problem all builders and users of aircraft have to cope with for reasons associated with assuring a sufficient lifetime and safety, and formulating adequate inspection procedures. These aspects are all addressed in various formal protocols for creating and maintaining airworthiness, including damage tolerance considerations. In most transport aircraft, fatigue occurs in lap joints, sometimes leading to circumstances that threaten safety in critical ways. The problem of fatigue of lap joints has been considerably enlarged by the goal of extending aircraft lifetimes. Fatigue of riveted lap joints between aluminium alloy sheets, typical of the pressurized aircraft fuselage, is the major topic of the present book. The richly illustrated and well-structured chapters treat subjects such as: structural design solutions and loading conditions for fuselage skin joints; relevance of laboratory test results for simple lap joint specimens to riveted joints in a real structure; effect of various production and design related variables on the riveted joint fatigue behaviour; analytical and experimental results on load transmission in mechanically fastened lap joints; theoretical and experimental analysis of secondary bending and its implications for riveted joint fatigue performance; nucleation and shape development of fatigue cracks in riveted longitudinal lap joints; overview of experimental investigations into the multi-site damage for full scale fuselage panels and riveted lap joint specimens; fatigue crack growth and fatigue life prediction methodology for riveted lap joints; residual strength predictions for riveted lap joints in a fuselage structure. The major issues of each chapter are recapitulated in the last section.

NASA Langley Scientific and Technical Information Output: 1999

Author :
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis NASA Langley Scientific and Technical Information Output: 1999 by :

Download or read book NASA Langley Scientific and Technical Information Output: 1999 written by and published by . This book was released on 2000 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Applied Mechanics Reviews

Author :
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Applied Mechanics Reviews by :

Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1979 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt:

AIAA Journal

Author : American Institute of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 1302 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis AIAA Journal by : American Institute of Aeronautics and Astronautics

Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2002 with total page 1302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the FAA-NASA Symposium on the Continued Airworthiness of Aircraft Structures

Author :
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Proceedings of the FAA-NASA Symposium on the Continued Airworthiness of Aircraft Structures by :

Download or read book Proceedings of the FAA-NASA Symposium on the Continued Airworthiness of Aircraft Structures written by and published by . This book was released on 1997 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Structural Integrity

Author : Ian Milne
Publisher : Elsevier
ISBN 13 : 0080490735
Total Pages : 4647 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Comprehensive Structural Integrity by : Ian Milne

Download or read book Comprehensive Structural Integrity written by Ian Milne and published by Elsevier. This book was released on 2003-07-25 with total page 4647 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this major reference work is to provide a first point of entry to the literature for the researchers in any field relating to structural integrity in the form of a definitive research/reference tool which links the various sub-disciplines that comprise the whole of structural integrity. Special emphasis will be given to the interaction between mechanics and materials and structural integrity applications. Because of the interdisciplinary and applied nature of the work, it will be of interest to mechanical engineers and materials scientists from both academic and industrial backgrounds including bioengineering, interface engineering and nanotechnology. The scope of this work encompasses, but is not restricted to: fracture mechanics, fatigue, creep, materials, dynamics, environmental degradation, numerical methods, failure mechanisms and damage mechanics, interfacial fracture and nano-technology, structural analysis, surface behaviour and heart valves. The structures under consideration include: pressure vessels and piping, off-shore structures, gas installations and pipelines, chemical plants, aircraft, railways, bridges, plates and shells, electronic circuits, interfaces, nanotechnology, artificial organs, biomaterial prostheses, cast structures, mining... and more. Case studies will form an integral part of the work.

Journal of Aircraft

Author :
Publisher :
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Journal of Aircraft by :

Download or read book Journal of Aircraft written by and published by . This book was released on 2009 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 456 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

ICAF 2019 – Structural Integrity in the Age of Additive Manufacturing

Author : Antoni Niepokolczycki
Publisher : Springer
ISBN 13 : 3030215032
Total Pages : 1172 pages
Book Rating : 4.0/5 (32 download)

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Book Synopsis ICAF 2019 – Structural Integrity in the Age of Additive Manufacturing by : Antoni Niepokolczycki

Download or read book ICAF 2019 – Structural Integrity in the Age of Additive Manufacturing written by Antoni Niepokolczycki and published by Springer. This book was released on 2019-07-03 with total page 1172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers papers presented at the 36th conference and 30th Symposium of the International Committee on Aeronautical Fatigue and Structural integrity. Focusing on the main theme of “Structural Integrity in the Age of Additive Manufacturing”, the chapters cover different aspects concerning research, developments and challenges in this field, offering a timely reference guide to designers, regulators, manufacturer, and both researchers and professionals of the broad aerospace community.

Computational Mechanics

Author : Zhenhan Yao
Publisher : 清华大学出版社有限公司
ISBN 13 : 9787302093428
Total Pages : 608 pages
Book Rating : 4.0/5 (934 download)

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Book Synopsis Computational Mechanics by : Zhenhan Yao

Download or read book Computational Mechanics written by Zhenhan Yao and published by 清华大学出版社有限公司. This book was released on 2004 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aging of U.S. Air Force Aircraft

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174473
Total Pages : 124 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Aging of U.S. Air Force Aircraft by : National Research Council

Download or read book Aging of U.S. Air Force Aircraft written by National Research Council and published by National Academies Press. This book was released on 1997-09-30 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the aircraft that form the backbone of the U.S. Air Force operational fleet are 25 years old or older. A few of these will be replaced with new aircraft, but many are expected to remain in service an additional 25 years or more. This book provides a strategy to address the technical needs and priorities associated with the Air Force's aging airframe structures. It includes a detailed summary of the structural status of the aging force, identification of key technical issues, recommendations for near-term engineering and management actions, and prioritized near-term and long-term research recommendations.

Modern Applied Fracture Mechanics

Author : Cameron Coates
Publisher : CRC Press
ISBN 13 : 1000581004
Total Pages : 275 pages
Book Rating : 4.0/5 (5 download)

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Book Synopsis Modern Applied Fracture Mechanics by : Cameron Coates

Download or read book Modern Applied Fracture Mechanics written by Cameron Coates and published by CRC Press. This book was released on 2022-08-02 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Applied Fracture Mechanics presents a practical, accessible guide to understanding and applying basic linear elastic fracture mechanics (LEFM) techniques to problems commonly seen in industry, including fatigue analysis, failure analysis, and damage tolerance. Including applications for several software programs, AFGROW, MATLAB®, ABAQUS, and a web-based FM calculator, the book discusses appropriate models, assumptions, and typical input/output parameters. It provides a framework that will enable readers to quickly learn and use fracture mechanics (FM) software packages and/or write their own code to solve unique or standard FM problems. The book covers the fundamental concepts needed to successfully execute routine applications or conduct experimental investigations. End-of-chapter problems are included, along with real-world examples to enhance student understanding. The textbook is appropriate for undergraduate students, preparing them for the industry, and for advanced studies in fracture mechanics at the graduate level. Industry professionals and researchers will find this book a valuable resource for understanding basic fracture mechanics principles and methods. Features include: Provides broad, accessible coverage of common fracture mechanics concepts and applications. Focuses on applications, real-world examples, and numerical methods in fracture analysis. Integrates and explains current end-user software coverage for fracture mechanics. Includes numerous sample problems, software examples, and end-of-chapter problems. Includes a Solutions Manual for adopting instructors.

Finite Elements in Fracture Mechanics

Author : Meinhard Kuna
Publisher : Springer Science & Business Media
ISBN 13 : 9400766807
Total Pages : 464 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Finite Elements in Fracture Mechanics by : Meinhard Kuna

Download or read book Finite Elements in Fracture Mechanics written by Meinhard Kuna and published by Springer Science & Business Media. This book was released on 2013-07-19 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fracture mechanics has established itself as an important discipline of growing interest to those working to assess the safety, reliability and service life of engineering structures and materials. In order to calculate the loading situation at cracks and defects, nowadays numerical techniques like finite element method (FEM) have become indispensable tools for a broad range of applications. The present monograph provides an introduction to the essential concepts of fracture mechanics, its main goal being to procure the special techniques for FEM analysis of crack problems, which have to date only been mastered by experts. All kinds of static, dynamic and fatigue fracture problems are treated in two- and three-dimensional elastic and plastic structural components. The usage of the various solution techniques is demonstrated by means of sample problems selected from practical engineering case studies. The primary target group includes graduate students, researchers in academia and engineers in practice.