Progressive Failure Studies of Stiffened Panels Subjected to Shear Loading
| Author | : Damodar R. Ambur |
| Publisher | : DIANE Publishing |
| Total Pages | : 25 |
| Release | : 2002 |
| Genre | : |
| ISBN | : 1428995536 |
Progressive Failure Studies Of Stiffened Panels Subjected To Shear Loading
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Progressive Failure Studies of Stiffened Panels Subjected to Shear Loading
| Author | : National Aeronautics and Space Administration (NASA) |
| Publisher | : Createspace Independent Publishing Platform |
| Total Pages | : 26 |
| Release | : 2018-06-19 |
| Genre | : |
| ISBN | : 9781721520404 |
Experimental and analytical results are presented for progressive failure of stiffened composite panels with and without a notch and subjected to in plane shear loading well into their postbuckling regime. Initial geometric imperfections are included in the finite element models. Ply damage modes such as matrix cracking, fiber-matrix shear, and fiber failure are modeled by degrading the material properties. Experimental results from the test include strain field data from video image correlation in three dimensions in addition to other strain and displacement measurements. Results from nonlinear finite element analyses are compared with experimental data. Good agreement between experimental data and numerical results are observed for the stitched stiffened composite panels studied. Ambur, Damodar R. and Jaunky, Navin and Hilburger, Mark W. and Bushnell, Dennis M. (Technical Monitor) Langley Research Center NASA/CR-2002-211757, NAS 1.26:211757, ICASE-2002-24
Progressive Failure Studies of Composite Panels with and Without Cutouts
| Author | : Navin Jaunky |
| Publisher | : |
| Total Pages | : 30 |
| Release | : 2001 |
| Genre | : |
| ISBN | : |
Progressive failure analyses results are presented for composite panels with and without a cutout and subjected to in-plane shear loading and compression loading well into their postbuckling regime. Ply damage modes such as matrix cracking, fiber-matrix shear, and fiber failure are modeled by degrading the material properties. Results from finite element analyses are compared with experimental data. Good agreement between experimental data and numerical results are observed for most structural configurations when initial geometric imperfections are appropriately modeled.
Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials
| Author | : Hyonny Kim |
| Publisher | : DEStech Publications, Inc |
| Total Pages | : 3583 |
| Release | : 2014-09-17 |
| Genre | : Science |
| ISBN | : 1605951242 |
New and not previously published U.S. and international research on composite and nanocomposite materialsFocus on health monitoring/diagnosis, multifunctionality, self-healing, crashworthiness, integrated computational materials engineering (ICME), and moreApplications to aircraft, armor, bridges, ships, and civil structures This fully searchable CD-ROM contains 270 original research papers on all phases of composite materials, presented by specialists from universities, NASA and private corporations such as Boeing. The document is divided into the following sections: Aviation Safety and Aircraft Structures; Armor and Protection; Multifunctional Composites; Effects of Defects; Out of Autoclave Processing; Sustainable Processing; Design and Manufacturing; Stability and Postbuckling; Crashworthiness; Impact and Dynamic Response; Natural, Biobased and Green; Integrated Computational Materials Engineering (ICME); Structural Optimization; Uncertainty Quantification; NDE and SHM Monitoring; Progressive Damage Modeling; Molecular Modeling; Marine Composites; Simulation Tools; Interlaminar Properties; Civil Structures; Textiles. The CD-ROM displays figures and illustrations in articles in full color along with a title screen and main menu screen. Each user can link to all papers from the Table of Contents and Author Index and also link to papers and front matter by using the global bookmarks which allow navigation of the entire CD-ROM from every article. Search features on the CD-ROM can be by full text including all key words, article title, author name, and session title. The CD-ROM has Autorun feature for Windows 2000 or higher products and can also be used with Macintosh computers. The CD includes the program for Adobe Acrobat Reader with Search 11.0. One year of technical support is included with your purchase of this product.
Self-Healing Composites
| Author | : Guoqiang Li |
| Publisher | : John Wiley & Sons |
| Total Pages | : 386 |
| Release | : 2014-09-23 |
| Genre | : Technology & Engineering |
| ISBN | : 1118452453 |
In this book, the self-healing of composite structures with shape memory polymer as either matrix or embedded suture is systematically discussed. Self-healing has been well known in biological systems for many years: a typical example is the self-healing of human skin. Whilst a minor wound can be self-closed by blood clotting, a deep and wide cut needs external help by suturing. Inspired by this observation, this book proposes a two-step close-then-heal (CTH) scheme for healing wide-opened cracks in composite structures–by constrained shape recovery first, followed by molecular healing. It is demonstrated that the CTH scheme can heal wide-opened structural cracks repeatedly, efficiently, timely, and molecularly. It is believed that self-healing represents the next-generation technology and will become an engineering reality in the near future. The book consists of both fundamental background and practical skills for implementing the CTH scheme, with additional focus on understanding strain memory versus stress memory and healing efficiency evaluation under various fracture modes. Potential applications to civil engineering structures, including sealant for bridge decks and concrete pavements, and rutting resistant asphalt pavements, are also explored. This book will help readers to understand this emerging field, and to establish a framework for new innovation in this direction. Key features: explores potential applications of shape memory polymers in civil engineering structures, which is believed to be unique within the literature balanced testing and mathematical modeling, useful for both academic researchers and practitioners the self-healing scheme is based on physical change of polymers and is written in an easy to understand style for engineering professionals without a strong background in chemistry
Material Engineering And Mechanical Engineering - Proceedings Of Material Engineering And Mechanical Engineering (Meme2015)
| Author | : Huiyu Zhou |
| Publisher | : World Scientific |
| Total Pages | : 1538 |
| Release | : 2016-05-26 |
| Genre | : Technology & Engineering |
| ISBN | : 9814759694 |
The aim of proceeding of International Conference on Material Engineering and Mechanical Engineering [MEME2015] is to provide a platform for researchers, engineers, and academicians, as well as industrial professionals, to present their research results and applications developed for Material Engineering and Mechanical Engineering. It provides an opportunities for the delegates to exchange new ideas and application experiences, to enhance business or research relations and to find global partners for future collaboration. The object is to strengthen national academic exchanges and cooperation in the field, promote the rapid development of machinery, materials science and engineering application, effectively improve China's machinery, materials science and engineering applications in the field of academic status and international influence.
Dynamic Deformation, Damage and Fracture in Composite Materials and Structures
| Author | : Vadim Silberschmidt |
| Publisher | : Woodhead Publishing |
| Total Pages | : 618 |
| Release | : 2016-01-23 |
| Genre | : Technology & Engineering |
| ISBN | : 0081000839 |
Composite materials, with their higher exposure to dynamic loads, have increasingly been used in aerospace, naval, automotive, sports and other sectors over the last few decades. Dynamic Deformation, Damage and Fracture in Composite Materials and Structures reviews various aspects of dynamic deformation, damage and fracture, mostly in composite laminates and sandwich structures, in a broad range of application fields including aerospace, automotive, defense and sports engineering. As the mechanical behavior and performance of composites varies under different dynamic loading regimes and velocities, the book is divided into sections that examine the different loading regimes and velocities. Part one examine low-velocity loading and part two looks at high-velocity loading. Part three then assesses shock and blast (i.e. contactless) events and the final part focuses on impact (contact) events. As sports applications of composites are linked to a specific subset of dynamic loading regimes, these applications are reviewed in the final part. - Examines dynamic deformation and fracture of composite materials - Covers experimental, analytical and numerical aspects - Addresses important application areas such as aerospace, automotive, wind energy and defence, with a special section on sport applications
Civil, Architecture and Environmental Engineering
| Author | : Jimmy C.M. Kao |
| Publisher | : CRC Press |
| Total Pages | : 2923 |
| Release | : 2017-04-24 |
| Genre | : Science |
| ISBN | : 1351849360 |
This two-volume work contains the papers presented at the 2016 International Conference on Civil, Architecture and Environmental Engineering (ICCAE 2016) that was held on 4-6 November 2016 in Taipei, Taiwan. The meeting was organized by China University of Technology and Taiwan Society of Construction Engineers and brought together professors, researchers, scholars and industrial pioneers from all over the world. ICCAE 2016 is an important forum for the presentation of new research developments, exchange of ideas and experience and covers the following subject areas: Structural Science & Architecture Engineering, Building Materials & Materials Science, Construction Equipment & Mechanical Science, Environmental Science & Environmental Engineering, Computer Simulation & Computer and Electrical Engineering.
Advances in Marine Structures
| Author | : Carlos Guedes Soares |
| Publisher | : CRC Press |
| Total Pages | : 745 |
| Release | : 2011-03-14 |
| Genre | : Technology & Engineering |
| ISBN | : 0203808118 |
In recent years significant advances have been made in the development of methods and modeling procedures for structural assessment of marine structures. Various assessment methods are incorporated in the methods used to analyze and design efficient ship structures, as well as in the methods of structural reliability to be used to ensure the safety
Buckling and Post Buckling Structures
| Author | : B. G. Falzon |
| Publisher | : Imperial College Press |
| Total Pages | : 526 |
| Release | : 2008 |
| Genre | : Technology & Engineering |
| ISBN | : 1848162308 |
This book provides an in-depth treatment of the study of the stability of engineering structures. Contributions from internationally recognized leaders in the field ensure a wide coverage of engineering disciplines in which structural stability is of importance, in particular the analytical and numerical modelling of structural stability applied to aeronautical, civil, marine and offshore structures. The results from a number of comprehensive experimental test programs are also presented, thus enhancing our understanding of stability phenomena as well as validating the analytical and computational solution schemes presented. A variety of structural materials are investigated with special emphasis on carbon-fibre composites, which are being increasingly utilized in weight-critical structures. Instabilities at the meso- and micro-scales are also discussed. This book will be particularly relevant to professional engineers, graduate students and researchers interested in structural stability.
