Mixed Mode Decohesion Finite Elements For The Simulation Of Delamination In Composite Materials

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Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials

Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720626831
Total Pages : 42 pages
Book Rating : 4.6/5 (268 download)

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Book Synopsis Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials by : National Aeronautics and Space Administration (NASA)

Download or read book Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-03 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new decohesion element with mixed-mode capability is proposed and demonstrated. The element is used at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations. A single relative displacement-based damage parameter is applied in a softening law to track the damage state of the interface and to prevent the restoration of the cohesive state during unloading. The softening law for mixed-mode delamination propagation can be applied to any mode interaction criterion such as the two-parameter power law or the three-parameter Benzeggagh-Kenane criterion. To demonstrate the accuracy of the predictions and the irreversibility capability of the constitutive law, steady-state delamination growth is simulated for quasistatic loading-unloading cycles of various single mode and mixed-mode delamination test specimens.Camanho, Pedro P. and Davila, Carlos G.Langley Research CenterDAMAGE; DELAMINATING; FRACTURE MECHANICS; COMPOSITE MATERIALS; MATHEMATICAL MODELS; FINITE ELEMENT METHOD; KINEMATICS; EPOXY COMPOUNDS

Finite Element Analysis of Composite Materials using AbaqusTM

Author : Ever J. Barbero
Publisher : CRC Press
ISBN 13 : 1466516631
Total Pages : 445 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Finite Element Analysis of Composite Materials using AbaqusTM by : Ever J. Barbero

Download or read book Finite Element Analysis of Composite Materials using AbaqusTM written by Ever J. Barbero and published by CRC Press. This book was released on 2013-04-18 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developed from the author's graduate-level course on advanced mechanics of composite materials, Finite Element Analysis of Composite Materials with Abaqus shows how powerful finite element tools address practical problems in the structural analysis of composites. Unlike other texts, this one takes the theory to a hands-on level by actually solving

Finite Element Analysis of Composite Materials Using ANSYS®, Second Edition

Author : Ever J. Barbero
Publisher : CRC Press
ISBN 13 : 1466516895
Total Pages : 369 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Finite Element Analysis of Composite Materials Using ANSYS®, Second Edition by : Ever J. Barbero

Download or read book Finite Element Analysis of Composite Materials Using ANSYS®, Second Edition written by Ever J. Barbero and published by CRC Press. This book was released on 2013-12-11 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designing structures using composite materials poses unique challenges, especially due to the need for concurrent design of both material and structure. Students are faced with two options: textbooks that teach the theory of advanced mechanics of composites, but lack computational examples of advanced analysis, and books on finite element analysis that may or may not demonstrate very limited applications to composites. But there is a third option that makes the other two obsolete: Ever J. Barbero's Finite Element Analysis of Composite Materials Using ANSYS®, Second Edition. The Only Finite Element Analysis Book on the Market Using ANSYS to Analyze Composite Materials. By layering detailed theoretical and conceptual discussions with fully developed examples, this text supplies the missing link between theory and implementation. In-depth discussions cover all of the major aspects of advanced analysis, including three-dimensional effects, viscoelasticity, edge effects, elastic instability, damage, and delamination. This second edition of the bestseller has been completely revised to incorporate advances in the state of the art in such areas as modeling of damage in composites. In addition, all 50+ worked examples have been updated to reflect the newest version of ANSYS. Including some use of MATLAB®, these examples demonstrate how to use the concepts to formulate and execute finite element analyses and how to interpret the results in engineering terms. Additionally, the source code for each example is available to students for download online via a companion website featuring a special area reserved for instructors. Plus a solutions manual is available for qualifying course adoptions. Cementing applied computational and analytical experience to a firm foundation of basic concepts and theory, Finite Element Analysis of Composite Materials Using ANSYS, Second Edition offers a modern, practical, and versatile classroom tool for today's engineering classroom.

Micromechanics of Composite Materials

Author : Jacob Aboudi
Publisher : Butterworth-Heinemann
ISBN 13 : 0123970350
Total Pages : 1032 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Micromechanics of Composite Materials by : Jacob Aboudi

Download or read book Micromechanics of Composite Materials written by Jacob Aboudi and published by Butterworth-Heinemann. This book was released on 2013 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt: Summary: A Generalized Multiscale Analysis Approach brings together comprehensive background information on the multiscale nature of the composite, constituent material behaviour, damage models and key techniques for multiscale modelling, as well as presenting the findings and methods, developed over a lifetime's research, of three leading experts in the field. The unified approach presented in the book for conducting multiscale analysis and design of conventional and smart composite materials is also applicable for structures with complete linear and nonlinear material behavior, with numerous applications provided to illustrate use. Modeling composite behaviour is a key challenge in research and industry; when done efficiently and reliably it can save money, decrease time to market with new innovations and prevent component failure.

Advances in Composite Materials

Author : Brahim Attaf
Publisher : BoD – Books on Demand
ISBN 13 : 9533071508
Total Pages : 658 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Advances in Composite Materials by : Brahim Attaf

Download or read book Advances in Composite Materials written by Brahim Attaf and published by BoD – Books on Demand. This book was released on 2011-03-16 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: By adopting the principles of sustainable design and cleaner production, this important book opens a new challenge in the world of composite materials and explores the achieved advancements of specialists in their respective areas of research and innovation. Contributions coming from both spaces of academia and industry were so diversified that the 28 chapters composing the book have been grouped into the following main parts: sustainable materials and ecodesign aspects, composite materials and curing processes, modelling and testing, strength of adhesive joints, characterization and thermal behaviour, all of which provides an invaluable overview of this fascinating subject area. Results achieved from theoretical, numerical and experimental investigations can help designers, manufacturers and suppliers involved with high-tech composite materials to boost competitiveness and innovation productivity.

Modeling the Effect of Damage in Composite Structures

Author : Christos Kassapoglou
Publisher : John Wiley & Sons
ISBN 13 : 1119013216
Total Pages : 252 pages
Book Rating : 4.1/5 (19 download)

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Book Synopsis Modeling the Effect of Damage in Composite Structures by : Christos Kassapoglou

Download or read book Modeling the Effect of Damage in Composite Structures written by Christos Kassapoglou and published by John Wiley & Sons. This book was released on 2015-05-06 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensively covers new and existing methods for the design and analysis of composites structures with damage present Provides efficient and accurate approaches for analysing structures with holes and impact damage Introduces a new methodology for fatigue analysis of composites Provides design guidelines, and step by step descriptions of how to apply the methods, along with evaluation of their accuracy and applicability Includes problems and exercises Accompanied by a website hosting lecture slides and solutions

Proceedings of the Twelfth U.S.-Japan Conference on Composite Materials

Author : P. K. Mallick
Publisher : DEStech Publications, Inc
ISBN 13 : 1932078614
Total Pages : 828 pages
Book Rating : 4.9/5 (32 download)

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Book Synopsis Proceedings of the Twelfth U.S.-Japan Conference on Composite Materials by : P. K. Mallick

Download or read book Proceedings of the Twelfth U.S.-Japan Conference on Composite Materials written by P. K. Mallick and published by DEStech Publications, Inc. This book was released on 2006 with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Numerical Simulation of Delamination Growth in Composite Materials

Author : P. P. Camanho
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Numerical Simulation of Delamination Growth in Composite Materials by : P. P. Camanho

Download or read book Numerical Simulation of Delamination Growth in Composite Materials written by P. P. Camanho and published by . This book was released on 2001 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of decohesion elements for the simulation of delamination in composite materials is reviewed. The test methods available to measure the interfacial fracture toughness used in the formulation of decohesion elements are described initially. After a brief presentation of the virtual crack technique most widely used to simulate delamination growth, the formulation of interfacial decohesion elements is described. Problems related with decohesion element constitutive equations, mixed-mode crack growth, element numerical integration and solution procedures are discussed. Based on these investigations, it is concluded that the use of interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and pre-interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and predefined crack paths, and that these elements can be used to simulate both delamination onset and growth.

Proceedings of the 7th International Conference on Discrete Element Methods

Author : Xikui Li
Publisher : Springer
ISBN 13 : 9811019266
Total Pages : 1414 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Proceedings of the 7th International Conference on Discrete Element Methods by : Xikui Li

Download or read book Proceedings of the 7th International Conference on Discrete Element Methods written by Xikui Li and published by Springer. This book was released on 2016-12-01 with total page 1414 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest advances in Discrete Element Methods (DEM) and technology. It is the proceeding of 7th International Conference on DEM which was held at Dalian University of Technology on August 1 - 4, 2016. The subject of this book are the DEM and related computational techniques such as DDA, FEM/DEM, molecular dynamics, SPH, Meshless methods, etc., which are the main computational methods for modeling discontinua. In comparison to continua which have been already studied for a long time, the research of discontinua is relatively new, but increases dramatically in recent years and has already become an important field. This book will benefit researchers and scientists from the academic fields of physics, engineering and applied mathematics, as well as from industry and national laboratories who are interested in the DEM.

Numerical Modelling of Failure in Advanced Composite Materials

Author : Pedro P. Camanho
Publisher : Woodhead Publishing
ISBN 13 : 0081003420
Total Pages : 562 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Numerical Modelling of Failure in Advanced Composite Materials by : Pedro P. Camanho

Download or read book Numerical Modelling of Failure in Advanced Composite Materials written by Pedro P. Camanho and published by Woodhead Publishing. This book was released on 2015-08-07 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: Numerical Modelling of Failure in Advanced Composite Materials comprehensively examines the most recent analysis techniques for advanced composite materials. Advanced composite materials are becoming increasingly important for lightweight design in aerospace, wind energy, and mechanical and civil engineering. Essential for exploiting their potential is the ability to reliably predict their mechanical behaviour, particularly the onset and propagation of failure. Part One investigates numerical modeling approaches to interlaminar failure in advanced composite materials. Part Two considers numerical modelling approaches to intralaminar failure. Part Three presents new and emerging advanced numerical algorithms for modeling and simulation of failure. Part Four closes by examining the various engineering and scientific applications of numerical modeling for analysis of failure in advanced composite materials, such as prediction of impact damage, failure in textile composites, and fracture behavior in through-thickness reinforced laminates. - Examines the most recent analysis models for advanced composite materials in a coherent and comprehensive manner - Investigates numerical modelling approaches to interlaminar failure and intralaminar failure in advanced composite materials - Reviews advanced numerical algorithms for modeling and simulation of failure - Examines various engineering and scientific applications of numerical modelling for analysis of failure in advanced composite materials

Mechanical Response of Composites

Author : Pedro P. Camanho
Publisher : Springer Science & Business Media
ISBN 13 : 1402085842
Total Pages : 321 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Mechanical Response of Composites by : Pedro P. Camanho

Download or read book Mechanical Response of Composites written by Pedro P. Camanho and published by Springer Science & Business Media. This book was released on 2008-06-20 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: Themethodologyfordesigninghigh-performancecompositestructuresisstill evo- ing. The complexity of the response of composite materials and the dif?culties in predicting the composite material properties from the basic properties of the c- stituents result in the need for a well-planned and exhaustive test program. The recommended practice to mitigate the technological risks associated with advanced composite materials is to substantiate the performance and durability of the design in a sequence of steps known as the Building Block Approach. The Building Block Approach ensures that cost and performance objectives are met by testing greater numbers of smaller, less expensive specimens. In this way, technology risks are assessed early in the program. In addition, the knowledge acquired at a given level of structural complexity is built up before progressing to a level of increased complexity. Achieving substantiation of structural performance by testing alone can be p- hibitively expensive because of the number of specimens and components required to characterize all material systems, loading scenarios and boundary conditions. Building Block Approachprogramscan achieve signi?cant cost reductionsby se- ing a synergy between testing and analysis. The more the development relies on analysis, the less expensive it becomes. The use of advanced computational models for the prediction of the mechanical response of composite structures can replace some of the mechanical tests and can signi?cantly reduce the cost of designing with composites while providing to the engineers the information necessary to achieve an optimized design.

Advances in Machining of Composite Materials

Author : Islam Shyha
Publisher : Springer Nature
ISBN 13 : 3030714381
Total Pages : 547 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Advances in Machining of Composite Materials by : Islam Shyha

Download or read book Advances in Machining of Composite Materials written by Islam Shyha and published by Springer Nature. This book was released on 2021-06-21 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a wide range of conventional and non-conventional machining processes of various composite materials, including polymer and metallic-based composites, nanostructured composites and green/natural composites. It presents state-of-the-art academic work and industrial developments in material fabrication, machining, modelling and applications, together with current practices and requirements for producing high-quality composite components. There are also dedicated chapters on physical properties and fabrication techniques of different composite material groups. The book also has chapters on health and safety considerations when machining composite materials and recycling composite materials. The contributors present machining composite materials in terms of operating conditions; cutting tools; appropriate machines; and typical damage patterns following machining operations. This book serves as a useful reference for manufacturing engineers, production supervisors, tooling engineers, planning and application engineers, and machine tool designers. It can also benefit final-year undergraduate and postgraduate students, as it provides comprehensive information on the machining of composite materials to produce high-quality final components. The book chapters were authored by experienced academics and researchers from four continents and nine countries including Canada, China, Egypt, India, Malaysia, Portugal, Singapore, United Kingdom and the USA.

Peridynamic Modeling, Numerical Techniques, and Applications

Author : Erkan Oterkus
Publisher : Elsevier
ISBN 13 : 0128204419
Total Pages : 462 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Peridynamic Modeling, Numerical Techniques, and Applications by : Erkan Oterkus

Download or read book Peridynamic Modeling, Numerical Techniques, and Applications written by Erkan Oterkus and published by Elsevier. This book was released on 2021-04-24 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with an incisive look at cutting-edge peridynamic modeling methods, numerical techniques, their applications, and potential future directions for the field. It starts with an introductory chapter authored by Stewart Silling, who originally developed peridynamics. It then looks at new concepts in the field, with chapters covering dual-horizon peridynamics, peridynamics for axisymmetric analysis, beam and plate models in peridynamics, coupled peridynamics and XFEM, peridynamics for dynamic fracture modeling, and more. From there, it segues into coverage of cutting-edge applications of peridynamics, exploring its biological applications, modeling at the nanoscale, peridynamics for composites delamination and damage in ceramics, and more, concluding with a chapter on the application of artificial intelligence and machine learning in peridynamics. - Covers modeling methods, numerical techniques, applications, and future directions for the field - Discusses techniques such as dual-horizon peridynamics, damage modeling using the phase-field approach, and contact analysis of rigid and deformable bodies with refined non-ordinary state-based peridynamics - Looks at a range of different peridynamic applications such as ice modeling, fiber-reinforced composite modeling, modeling at nanoscale, and more

Dynamic Response and Failure of Composite Materials and Structures

Author : Valentina Lopresto
Publisher : Woodhead Publishing
ISBN 13 : 008100902X
Total Pages : 438 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Dynamic Response and Failure of Composite Materials and Structures by : Valentina Lopresto

Download or read book Dynamic Response and Failure of Composite Materials and Structures written by Valentina Lopresto and published by Woodhead Publishing. This book was released on 2017-05-17 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Response and Failure of Composite Materials and Structures presents an overview of recent developments in a specialized area of research with original contributions from the authors who have been asked to outline needs for further investigations in their chosen topic area. The result is a presentation of the current state-of-the art in very specialized research areas that cannot be found elsewhere in the literature. For example, Massabò presents a newly developed theory for laminated composite plates that accounts for imperfect bonding between layers with new solutions for problems involving thermal effects. This theory is new and computationally-efficient, and the author describes how it fits in the broader context of composite plate theory. Abrate discusses the design of composite marine propellers and presents a detailed derivation of the equations of motion of a rotating blade, including centrifugal effects and the effects of pre-twisting and other geometric parameters. This book is a major reference resource for academic and industrial researchers and designers working in aerospace, automotives, and the marine engineering industry. - Presents recent developments in a research field that has experienced tremendous advances because of improved computational capabilities, new materials, and new testing facilities - Includes contributions from leading researchers from Europe and the USA who present the current state-of-the-art, including unique and original research - Provides extensive experimental results and numerical solutions - Appeals to a broad range of professional researchers working in aerospace, automotive, and marine engineering fields

Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials

Author : Hyonny Kim
Publisher : DEStech Publications, Inc
ISBN 13 : 1605951242
Total Pages : 3583 pages
Book Rating : 4.6/5 (59 download)

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Book Synopsis Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials by : Hyonny Kim

Download or read book Proceedings of the American Society for Composites 2014-Twenty-ninth Technical Conference on Composite Materials written by Hyonny Kim and published by DEStech Publications, Inc. This book was released on 2014-09-17 with total page 3583 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Mechanics and Mechatronics

Author : Jun Wang
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038262528
Total Pages : 943 pages
Book Rating : 4.0/5 (382 download)

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Book Synopsis Mechanics and Mechatronics by : Jun Wang

Download or read book Mechanics and Mechatronics written by Jun Wang and published by Trans Tech Publications Ltd. This book was released on 2013-10-09 with total page 943 pages. Available in PDF, EPUB and Kindle. Book excerpt: Selected, peer reviewed papers from the 2013 International Conference on Mechanics and Mechatronics (ICMM2013), October 4-6, 2013, Guilin, Guangxi, China

The Virtual Crack Closure Technique: History, Approach and Applications

Author : Ronald Krueger
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis The Virtual Crack Closure Technique: History, Approach and Applications by : Ronald Krueger

Download or read book The Virtual Crack Closure Technique: History, Approach and Applications written by Ronald Krueger and published by . This book was released on 2002 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: An overview of the virtual crack closure technique is presented. The approach used is discussed, the history summarized, and insight into its applications provided. Equations for two-dimensional quadrilateral elements with linear and quadratic shape functions are given. Formula for applying the technique in conjuction with three-dimensional solid elements as well as plate/shell elements are also provided. Necessary modifications for the use of the method with geometrically nonlinear finite element analysis and corrections required for elements at the crack tip with different lengths and widths are discussed. The problems associated with cracks or delaminations propagating between different materials are mentioned briefly, as well as a strategy to minimize these problems. Due to an increased interest in using a fracture mechanics based approach to assess the damage tolerance of composite structures in the design phase and during certification, the engineering problems selected as examples and given as references focus on the application of the technique to components made of composite materials.