Riveted Lap Joints In Aircraft Fuselage
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Riveted Lap Joints In Aircraft Fuselage
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Author : Andrzej Skorupa
language : en
Publisher: Springer
Release Date : 2012-06-23
Riveted Lap Joints In Aircraft Fuselage written by Andrzej Skorupa and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-23 with Technology & Engineering categories.
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.
Residual Strength Analyses Of Riveted Lap Splice Joints
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Author : B. R. Seshadri
language : en
Publisher:
Release Date : 2000
Residual Strength Analyses Of Riveted Lap Splice Joints written by B. R. Seshadri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Airframes categories.
The objective of this paper was to analyze the crack-linkup behavior in riveted lap-splice joint panels with small multiple-site damage (MSD) cracks at several adjacent rivet holes. Analyses are based on the STAGS (STructural Analysis of General Shells) code with the critical crack-tip-opening angle (CTOA) fracture criterion. To account for high constraint around a crack front, the "plane strain core" option in STAGS was used. The importance of modelling rivet flexibility with fastener elements that accurately model load transfer across the joint is discussed. Fastener holes are not modeled but rivet connectivity is accounted for by attaching rivets to the sheet on one side of the cracks that simulated both the rivet diameter and MSD cracks. Residual strength analyses made on 2024-T3 alloy (1.6-mm thick) riveted lap-splice joints with a lead crack and various size MSD cracks were compared with test data from Boeing Airplane Company. Analyses were conducted for both restrained and unrestrained buckling conditions. Comparison of results from these analyses and results from lap-splice-joint test panels, which were partially restrained against buckling indicate that the test results were bounded by the failure loads predicted by the analyses with restrained and unrestrained conditions.
Riveted Lap Joints In Aircraft Fuselage
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Author : Andrzej Skorupa
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-06-23
Riveted Lap Joints In Aircraft Fuselage written by Andrzej Skorupa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-06-23 with Technology & Engineering categories.
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.
A Practical Engineering Approach To Predicting Fatigue Crack Growth In Riveted Lap Joints
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Author : C. E. Harris
language : en
Publisher:
Release Date : 2000
A Practical Engineering Approach To Predicting Fatigue Crack Growth In Riveted Lap Joints written by C. E. Harris and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Airframes categories.
An extensive experimental database has been assembled from very detailed teardown examinations of fatigue cracks found in rivet holes of fuselage structural components. Based on this experimental database, a comprehensive analysis methodology was developed to predict the onset of widespread fatigue damage in lap joints of fuselage structure. Several computer codes were developed with specialized capabilities to conduct the various analyses that make up the comprehensive methodology. Over the past several years, the authors have interrogated various aspects of the analysis methods to determine the degree of computational rigor required to produce numerical predictions with acceptable engineering accuracy. This study led to the formulation of a practical engineering approach to predicting fatigue crack growth in riveted lap joints. This paper describes the practical engineering approach and compares predictions with the results from several experimental studies.
The Characteristics Of Fatigue Damage In The Fuselage Riveted Lap Splice Joint
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Author : Robert S. Piascik
language : en
Publisher:
Release Date : 1997
The Characteristics Of Fatigue Damage In The Fuselage Riveted Lap Splice Joint written by Robert S. Piascik and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Materials categories.
Load Transmission And Secondary Bending In Lap Joints Of Aircraft Fuselage
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Author : Andrzej Skorupa
language : en
Publisher:
Release Date : 2010
Load Transmission And Secondary Bending In Lap Joints Of Aircraft Fuselage written by Andrzej Skorupa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Airframes categories.
Three Dimensional Geometric Nonlinear Contact Stress Analysis Of Riveted Joints
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-23
Three Dimensional Geometric Nonlinear Contact Stress Analysis Of Riveted Joints written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-23 with categories.
The problems associated with fatigue were brought into the forefront of research by the explosive decompression and structural failure of the Aloha Airlines Flight 243 in 1988. The structural failure of this airplane has been attributed to debonding and multiple cracking along the longitudinal lap splice riveted joint in the fuselage. This crash created what may be termed as a minor "Structural Integrity Revolution" in the commercial transport industry. Major steps have been taken by the manufacturers, operators and authorities to improve the structural airworthiness of the aging fleet of airplanes. Notwithstanding, this considerable effort there are still outstanding issues and concerns related to the formulation of Widespread Fatigue Damage which is believed to have been a contributing factor in the probable cause of the Aloha accident. The lesson from this accident was that Multiple-Site Damage (MSD) in "aging" aircraft can lead to extensive aircraft damage. A strong candidate in which MSD is highly probable to occur is the riveted lap joint. Shivakumar, Kunigal N. and Ramanujapuram, Vivek Langley Research Center STRESS ANALYSIS; RIVETED JOINTS; DEBONDING (MATERIALS); FATIGUE (MATERIALS); STRUCTURAL FAILURE; EXPLOSIVE DECOMPRESSION; COMMERCIAL AIRCRAFT; STRESS DISTRIBUTION; NONLINEARITY; CRASHES; CIVIL AVIATION...
Proceedings Of Crack Paths Cp 2012 Gaeta Italy 2012
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Author :
language : en
Publisher: Gruppo Italiano Frattura
Release Date : 2012-09-19
Proceedings Of Crack Paths Cp 2012 Gaeta Italy 2012 written by and has been published by Gruppo Italiano Frattura this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-19 with Technology & Engineering categories.
Icaf 2011 Structural Integrity Influence Of Efficiency And Green Imperatives
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Author : Jerzy Komorowski
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-05-06
Icaf 2011 Structural Integrity Influence Of Efficiency And Green Imperatives written by Jerzy Komorowski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-06 with Technology & Engineering categories.
Proceedings of the 26th Symposium of the International Committee on Aeronautical Fatigue are a widely referenced summary of advances in aeronautical design against fatigue. This is a bi-annual event and the proceedings have been published in book form for over 35 years.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1995
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Aeronautics categories.
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.