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Advanced Life Analysis Methods Experimental Evaluation Of Crack Growth Analysis Methods For Attachment Lugs
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Book Synopsis Advanced Life Analysis Methods: Experimental evaluation of crack growth analysis methods for attachment lugs by : Thomas Richard Brussat
Download or read book Advanced Life Analysis Methods: Experimental evaluation of crack growth analysis methods for attachment lugs written by Thomas Richard Brussat and published by . This book was released on 1984 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers the results of experimental evaluation of crack growth analysis methods for attachment lugs which were reported in Vol. II of the final report. These experiments were conducted to assess the damage tolerance of aircraft attachment lugs. The experimental test program included baseline material characterization, crack initiation, residual strength and crack propagation tests. Several loading and geometric complexities were considered in the test program. The types of loading complexities included were constant-amplitude, block spectrum and flight-by-flight spectrum, symmetric and off-axis loadings. Peak stress levels in the lug which were below and above the yield strength of the materials were also included in the test program. The types of geometric complexities considered were straight, tapered, dogbone, clevis and real aircraft lug configurations. Additional geometric complexities considered include lugs with lower thickness and lugs with interference-fit bushings. The experimental results were correlated with the analytical predictions made using methods described in Vol. II of the final report and are presented in this volume. Excellent correlation results were obtained for most of the test cases. In some cases, the developed analytical methods needed some improvements or some new solutions had to be generated. Such efforts were conducted and the refined correlation results are also included in the present volume.
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume covers the results of experimental evaluation of crack growth analysis methods for attachment lugs which were reported in Vol. II of the final report. These experiments were conducted to assess the damage tolerance of aircraft attachment lugs. The experimental test program included baseline material characterization, crack initiation, residual strength and crack propagation tests. Several loading and geometric complexities were considered in the test program. The types of loading complexities included were constant-amplitude, block spectrum and flight-by-flight spectrum, symmetric and off-axis loadings. Peak stress levels in the lug which were below and above the yield strength of the materials were also included in the test program. The types of geometric complexities considered were straight, tapered, dogbone, clevis and real aircraft lug configurations. Additional geometric complexities considered include lugs with lower thickness and lugs with interference-fit bushings. The experimental results were correlated with the analytical predictions made using methods described in Vol. II of the final report and are presented in this volume. Excellent correlation results were obtained for most of the test cases. In some cases, the developed analytical methods needed some improvements or some new solutions had to be generated. Such efforts were conducted and the refined correlation results are also included in the present volume.
Book Synopsis Advanced Life Analysis Methods: Crack growth analysis methods for attachment lugs by : Thomas Richard Brussat
Download or read book Advanced Life Analysis Methods: Crack growth analysis methods for attachment lugs written by Thomas Richard Brussat and published by . This book was released on 1984 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Life Analysis Methods by : Thomas Richard Brussat
Download or read book Advanced Life Analysis Methods written by Thomas Richard Brussat and published by . This book was released on 1984 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis procedures for the assessment of the damage tolerance of aircraft attachment lugs are developed and presented. Stress and fracture analyses are conducted for simple male straight shank lugs subjected to symmetric loading and tapered lugs subjected to symmetric and off-axis lodings. Solutions of stress distributions and stress intensity factors are obtained for various parameters. The parametric variations include lug outer-to-inner radius ratios corner and through-the-thickness cracks, crack lengths and aspect ratios, with and without interference-fit bushing and loads above and below yield of the lugs. Methods of varying degree of sophistication are considered in the development of stress intensity factor solutions for cracks in attachment lugs. For through-the-thickness crack problems, simple compounding method, two- dimensional cracked finite element method, and the weight function mthod are used. In the case of corner cracks, solutions are obtained using simple compounding method, weight function method and rigorous three-dimensional hybrid displacement cracked finite element method. The stress distributions and the stress intensity factors are consolidated into a crack growth analysis procedure including several crack growth models and spectrum retardation models to predict the fracture and crack growth behaviors in attachment lugs.
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: Analysis procedures for the assessment of the damage tolerance of aircraft attachment lugs are developed and presented. Stress and fracture analyses are conducted for simple male straight shank lugs subjected to symmetric loading and tapered lugs subjected to symmetric and off-axis lodings. Solutions of stress distributions and stress intensity factors are obtained for various parameters. The parametric variations include lug outer-to-inner radius ratios corner and through-the-thickness cracks, crack lengths and aspect ratios, with and without interference-fit bushing and loads above and below yield of the lugs. Methods of varying degree of sophistication are considered in the development of stress intensity factor solutions for cracks in attachment lugs. For through-the-thickness crack problems, simple compounding method, two- dimensional cracked finite element method, and the weight function mthod are used. In the case of corner cracks, solutions are obtained using simple compounding method, weight function method and rigorous three-dimensional hybrid displacement cracked finite element method. The stress distributions and the stress intensity factors are consolidated into a crack growth analysis procedure including several crack growth models and spectrum retardation models to predict the fracture and crack growth behaviors in attachment lugs.
Book Synopsis Advanced Life Analysis Methods: Tabulated test data for attachment lugs by : Thomas Richard Brussat
Download or read book Advanced Life Analysis Methods: Tabulated test data for attachment lugs written by Thomas Richard Brussat and published by . This book was released on 1984 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Life Analysis Methods: Cracking data survey and NDI assessment for attachment lugs by : Thomas Richard Brussat
Download or read book Advanced Life Analysis Methods: Cracking data survey and NDI assessment for attachment lugs written by Thomas Richard Brussat and published by . This book was released on 1984 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the 5th volume of a 6 part report on a program to develop the design criteria and analytical methods necessary to ensure the damage tolerance of aircraft attachment lugs. This program consisted of seven tasks proceeding from and extensive cracking data survey and assessment of nondestructive inspection capabilities (NDI), through analysis methods development and evaluation, to the recommending of the damage tolerance design criteria for aircraft attachment lugs. Volume I-IV provide: Results of the crackling data survey and nondestructive inspection capabilities assessment (Tasks I and II); The developed analytical methods for predicting residual strength and crack growth behavior in attachment lugs; The results of analytical predictions (Task IV), experimental testing (Task V) and analytical-experimental correlations (Task VI); and The tabulation of raw experimental data generated under Task V. The volume summarizes results for the first six tasks and recommends the initial flaw requirements for damage tolerance design criteria for aircraft attachment lugs, which were developed in Task VII. Vol VI is the user's manual for the computer program 'LUGRO' for the prediction of crack growth behavior in attachment lugs.
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the 5th volume of a 6 part report on a program to develop the design criteria and analytical methods necessary to ensure the damage tolerance of aircraft attachment lugs. This program consisted of seven tasks proceeding from and extensive cracking data survey and assessment of nondestructive inspection capabilities (NDI), through analysis methods development and evaluation, to the recommending of the damage tolerance design criteria for aircraft attachment lugs. Volume I-IV provide: Results of the crackling data survey and nondestructive inspection capabilities assessment (Tasks I and II); The developed analytical methods for predicting residual strength and crack growth behavior in attachment lugs; The results of analytical predictions (Task IV), experimental testing (Task V) and analytical-experimental correlations (Task VI); and The tabulation of raw experimental data generated under Task V. The volume summarizes results for the first six tasks and recommends the initial flaw requirements for damage tolerance design criteria for aircraft attachment lugs, which were developed in Task VII. Vol VI is the user's manual for the computer program 'LUGRO' for the prediction of crack growth behavior in attachment lugs.
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is Vol. IV of a 6-part final report. Extensive experiments were conducted as a part of the assessment of damage tolerance of aircraft attachment lugs. Experimental results and the correlations with analytical predictions using the analysis methods developed under this contract were reported in Vol. III of the final report. In this volume, all the experimental test data generated are tabulated. The experiments were divided into two groups: Group I and Group II. Group I consists of only simple straight shank male lugs and Group II consists of lug configuration commonly used in design practices such as tapered, dogbone, clevis and real aircraft lugs. This volume contains the tabulation of raw residual strength and fatigue crack growth data for both groups of tests. This volume also contains the baseline material property data, crack initiation test results and details of different loading spectra used in testing.
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 1985 with total page 1346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Life Analysis Methods by : K. Kathiresan
Download or read book Advanced Life Analysis Methods written by K. Kathiresan and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is Vol. IV of a 6-part final report. Extensive experiments were conducted as a part of the assessment of damage tolerance of aircraft attachment lugs. Experimental results and the correlations with analytical predictions using the analysis methods developed under this contract were reported in Vol. III of the final report. In this volume, all the experimental test data generated are tabulated. The experiments were divided into two groups: Group I and Group II. Group I consists of only simple straight shank male lugs and Group II consists of lug configuration commonly used in design practices such as tapered, dogbone, clevis and real aircraft lugs. This volume contains the tabulation of raw residual strength and fatigue crack growth data for both groups of tests. This volume also contains the baseline material property data, crack initiation test results and details of different loading spectra used in testing.
Download or read book NASA SP. written by and published by . This book was released on 1988 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Proceedings of the SEM IX International Congress on Experimental Mechanics by : International Congress on Experimental Mechanics
Download or read book Proceedings of the SEM IX International Congress on Experimental Mechanics written by International Congress on Experimental Mechanics and published by . This book was released on 2000 with total page 1076 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aeronautical Engineering written by and published by . This book was released on 1988 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
