|Author||: Wim Van Paepegem|
|Publisher||: Woodhead Publishing|
|Release Date||: 2020-11-25|
|ISBN 10||: 0128189851|
|Pages||: 764 pages|
Multi-scale modelling of composites is a very relevant topic in composites science. This is illustrated by the numerous sessions in the recent European and International Conferences on Composite Materials, but also by the fast developments in multi-scale modelling software tools, developed by large industrial players such as Siemens (Virtual Material Characterization toolkit and MultiMechanics virtual testing software), MSC/e-Xstream (Digimat software), Simulia (micromechanics plug-in in Abaqus), HyperSizer (Multi-scale design of composites), Altair (Altair Multiscale Designer) This book is intended to be an ideal reference on the latest advances in multi-scale modelling of fibre-reinforced polymer composites, that is accessible for both (young) researchers and end users of modelling software. We target three main groups: This book aims at a complete introduction and overview of the state-of-the-art in multi-scale modelling of composites in three axes: • ranging from prediction of homogenized elastic properties to nonlinear material behaviour • ranging from geometrical models for random packing of unidirectional fibres over meso-scale geometries for textile composites to orientation tensors for short fibre composites • ranging from damage modelling of unidirectionally reinforced composites over textile composites to short fibre-reinforced composites The book covers the three most important scales in multi-scale modelling of composites: (i) micro-scale, (ii) meso-scale and (iii) macro-scale. The nano-scale and related atomistic and molecular modelling approaches are deliberately excluded, since the book wants to focus on continuum mechanics and there are already a lot of dedicated books about polymer nanocomposites. A strong focus is put on physics-based damage modelling, in the sense that the chapters devote attention to modelling the different damage mechanisms (matrix cracking, fibre/matrix debonding, delamination, fibre fracture,...) in such a way that the underlying physics of the initiation and growth of these damage modes is respected. The book also gives room to not only discuss the finite element based approaches for multi-scale modelling, but also much faster methods that are popular in industrial software, such as Mean Field Homogenization methods (based on Mori-Tanaka and Eshelby solutions) and variational methods (shear lag theory and more advanced theories). Since the book targets a wide audience, the focus is put on the most common numerical approaches that are used in multi-scale modelling. Very specialized numerical methods like peridynamics modelling, Material Point Method, eXtended Finite Element Method (XFEM), isogeometric analysis, SPH (Smoothed Particle Hydrodynamics),... are excluded. Outline of the book The book is divided in three large parts, well balanced with each a similar number of chapters:
|Author||: Konstantin Naumenko,Marcus Aßmus|
|Release Date||: 2016-05-12|
|ISBN 10||: 9811009597|
|Pages||: 558 pages|
This volume presents a collection of contributions on advanced approaches of continuum mechanics, which were written to celebrate the 60th birthday of Prof. Holm Altenbach. The contributions are on topics related to the theoretical foundations for the analysis of rods, shells and three-dimensional solids, formulation of constitutive models for advanced materials, as well as development of new approaches to the modeling of damage and fractures.
|Author||: Mohamed Thariq Hameed Sultan,Azwan Iskandar Azmi,Mohd Shukry Abd Majid,Mohd Ridzuan Mohd Jamir,Naheed Saba|
|Publisher||: Springer Nature|
|Release Date||: 2020-12-22|
|ISBN 10||: 981334153X|
|Pages||: 335 pages|
This book covers current advances and practices in machining fibre-reinforced polymer composites under various conventional and nonconventional processes. It presents recent research and practices for effective and efficient machining of difficult-to-cut material, providing the technological ‘know-how’ on delamination-free of drilling, milling, trimming, and other cutting processes on fibre-reinforced polymer composites. It also guides the reader on the selection of optimum machining parameters, tool materials, as well as tool geometry. This book is of interest to academicians, students, researchers, practitioners, and industrialists working in aerospace, automotive, marine, and construction industries.
|Author||: J Bai|
|Release Date||: 2013-09-30|
|ISBN 10||: 0857098640|
|Pages||: 928 pages|
Advanced fibre-reinforced polymer (FRP) composites have become essential materials for the building of new structures and for the repair of existing infrastructure. Advanced fibre-reinforced polymer (FRP) composites for structural applications provides an overview of different advanced FRP composites and the use of these materials in a variety of application areas. Part one introduces materials used in the creation of advanced FRP composites including polyester, vinylester and epoxy resins. Part two goes on to explore the processing and fabrication of advanced FRP composites and includes chapters on prepreg processing and filament winding processes. Part three highlights properties of advanced FRP composites and explores how performance can be managed and tested. Applications of advanced FRP composites, including bridge engineering, pipe rehabilitation in the oil and gas industry and sustainable energy production, are discussed in part four. With its distinguished editor and international team of expert contributors, Advanced fibre-reinforced polymer (FRP) composites for structural applications is a technical resource for researchers and engineers using advanced FRP composites, as well as professionals requiring an understanding of the production and properties of advanced FRP composites, and academics interested in this field. Provides an overview of different advanced FRP composites and the use of these materials in a variety of application areas Introduces materials used in the creation of advanced FRP composites including polyester, vinylester and epoxy resins Explores the processing and fabrication of advanced FRP composites and includes chapters on prepreg processing and filament winding processes
Bringing together the world's leading researchers and practitioners of computational mechanics, these new volumes meet and build on the eight key challenges for research and development in computational mechanics. Researchers have recently identified eight critical research tasks facing the field of computational mechanics. These tasks have come about because it appears possible to reach a new level of mathematical modelling and numerical solution that will lead to a much deeper understanding of nature and to great improvements in engineering design. The eight tasks are: The automatic solution of mathematical models Effective numerical schemes for fluid flows The development of an effective mesh-free numerical solution method The development of numerical procedures for multiphysics problems The development of numerical procedures for multiscale problems The modelling of uncertainties The analysis of complete life cycles of systems Education - teaching sound engineering and scientific judgement Readers of Computational Fluid and Solid Mechanics 2003 will be able to apply the combined experience of many of the world's leading researchers to their own research needs. Those in academic environments will gain a better insight into the needs and constraints of the industries they are involved with; those in industry will gain a competitive advantage by gaining insight into the cutting edge research being carried out by colleagues in academia. Features Bridges the gap between academic researchers and practitioners in industry Outlines the eight main challenges facing Research and Design in Computational mechanics and offers new insights into the shifting the research agenda Provides a vision of how strong, basic and exciting education at university can be harmonized with life-long learning to obtain maximum value from the new powerful tools of analysis
Volume is indexed by Thomson Reuters CPCI-S (WoS). These 379 peer-reviewed papers, presented in a two-volume set, cover the latest advances in nanocrystalline materials, thin films and chemical vapor deposition, biocomposites, ceramics technology, MEMS, coatings, nanopowders, fuel cells, etc.; together with their practical application.
|Publisher||: CRC Press|
|Release Date||: 1999-05-12|
|ISBN 10||: 9781566768009|
|Pages||: 528 pages|
Book is organized around new experiments in and modeling of fatigue and its effects over a range of composite materials subjected to multiple mechanical and thermal stresses. An objective of the investigations discussed is to explain failure mechanisms and improve long-term loading prediction and performance. Chapters in the book are edited and refereed presentations made at the most recent ICFC5 conference, held in Nanjing, China.TABLE OF CONTENTS Preface •Fatigue Life Assessment via Ply-By-Ply Stress Analysis Under Biaxial Loading F. Schmidt, T. J. Adam and P. Horst •A Residual Stiffness—Residual Strength Coupled Model for Composite Laminate Under Fatigue Loading W. Lian •Damage in Thermoplastic Composite Structures: Application to High Pressure Hydrogen Storage Vessels C. Thomas, F. Nony, S. Villalonga and J. Renard •Cyclic Interlaminar Crack Growth in Unidirectional and Braided Composites S. Stelzer, G. Pinter, M. Wolfahrt, A. J. Brunner and J. Noisternig •Experimental Analysis and Modelling of Fatigue Behaviour of Thick Woven Laminated Composites P. Nimdum and J. Renard •Fatigue Behaviour of Woven Composite p Joint J. Zhang, Y. Fu, L. Zhao, X. Liang, H. Huang and B. Fei •Monotonic and Cyclic Deformation Behavior of Ultrasonically Welded Hybrid Joints Between Light Metals and Carbon Fiber Reinforced Polymers (CFRP) F. Balle and D. Eifler •Fatigue-Driven Residual Life Models Based on Controlling Fatigue Stress and Strain in Carbon Fibre/Epoxy Composites J. J. Xiong, J. B. Bai and C. Y. Luo •An Energy-Based Fatigue Approach for Composites Combining Failure Mechanisms, Strength and Stiffness Degradation H. Krüger, R. Rolfes and E. Jansen •Fatigue Life Prediction Of Off-Axis Unidirectional Laminate F. WU and W.-X. YAO •Thermal Fatigue of AX41 Magnesium Alloy Based Composite Studied Using Thermal Expansivity Measurements Z. Drozd, Z. Trojanová and P. Lukáč •Fabrication of TI/APC-2 Nanocomposite Laminates and Their Fatigue Response at Elevated Temperature M.-H. R. Jen, C.-K. Chang, Y.-C. Sung and F.-C. Hsu •Fatigue and Fracture of Elastomeric Matrix Nanocomposites C. Bathias and S. Dong •Fatigue Delamination of Carbon Fiber Fabrics Reinforced PPS Laminates J. Bassery and J. Renard •Damage Mechanism and Fatigue Behaviour of Uniaxially and Sequentially Loaded Wound Tube Specimens F. Schmidt and P. Horst •Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite Z. Trojanová, A. Makowska-Mielczarek, W. Riehemann and P. Lukáč •Delamination Detection in CFRP Laminates Using A0 and S0 Lamb Wave Modes N. Hu, Y.-L. Liu, H. Fukunaga and Y. Li •Calorimetric Analysis of Dissipative Effects Associated with the Fatigue of GFRP Composites H. Sawadogo, S. Panier and S. Hariri •Correlation Between Crack Propagation Rate and Cure Process of Epoxy Resins V. Trappe, S. Günzel and M. Jaunich Author Index
|Author||: G. M. Odegard|
|Release Date||: 2002|
|Pages||: 36 pages|
In this study, a technique is presented for developing constitutive models for polymer composite systems reinforced with single-walled carbon nanotubes (SWNT). Because the polymer molecules are on the same size scale as the nanotubes, the interaction at the polymer/nanotube interface is highly dependent on the local molecular structure and bonding. At these small length scales, the lattice structures of the nanotube and polymer chains cannot be considered continuous, and the bulk mechanical properties can no longer be determined through the traditional micromechanical approaches that are formulated by using continuum mechanics. It is proposed herein that the nanotube, the local polymer near the nanotube, and the nanotube/polymer interface can be modeled as an effective continuum fiber using an equivalent-continuum modeling method. The micromechanical analyses for the prediction of bulk mechanical properties of SWNT/polymer composites with various nanotube lengths, concentrations, and orientations. As an example, the proposed approach is used for the constitutive modeling of two SWNT/polyimide composite systems.
Contains 16 original papers on the processing and manufacturing of thermoset and thermoplastic composites. In this book, nine chapters cover modeling and process parameters for many shapes of thermosets using RTM, VARTM and CRTM.
|Author||: David Parker,Arthur H. England|
|Publisher||: Springer Science & Business Media|
|Release Date||: 1995-08-31|
|ISBN 10||: 9780792335948|
|Pages||: 520 pages|
Proceedings of the IUTAM-ISIMM Symposium, held in Nottingham, U.K., 30 August--3 September 1994
|Author||: Mohammad Jawaid,Mohamed Thariq,Naheed Saba|
|Publisher||: Woodhead Publishing|
|Release Date||: 2018-11-23|
|ISBN 10||: 0081022972|
|Pages||: 252 pages|
Modelling of Damage Processes in Biocomposites, Fibre-Reinforced Composites and Hybrid Composites focuses on the advanced characterization techniques used for the analysis of composite materials developed from natural fiber/biomass, synthetic fibers and a combination of these materials used as fillers and reinforcements to enhance materials performance and utilization in automotive, aerospace, construction and building components. It will act as a detailed reference resource to encourage future research in natural fiber and hybrid composite materials, an area much in demand due to the need for more sustainable, recyclable, and eco-friendly composites in a broad range of applications. Written by leading experts in the field, and covering composite materials developed from different natural fibers and their hybridization with synthetic fibers, the book's chapters provide cutting-edge, up-to-date research on the characterization, analysis and modelling of composite materials. Contains contributions from leading experts in the field Discusses recent progress on failure analysis, SHM, durability, life prediction and the modelling of damage in natural fiber-based composite materials Covers experimental, analytical and numerical analysis Provides detailed and comprehensive information on mechanical properties, testing methods and modelling techniques
Computational Modeling of Polymer Composites: A Study of Creep and Environmental Effects details the development of polymeric materials and their use in smart materials and composite structures in aerospace and automotive industries. Based on the authors' work during the past 30 years, this book provides a strong understanding of the theories and associated finite element life-prediction models for elastic and viscoelastic response of polymers and polymer composites in aggressive environments. The subject is an interdisciplinary one where chemists, material scientists, and chemical, mechanical, and structural engineers contribute to the overall product. Books on polymer composites are usually of three types: material science, mechanics, and computational. This book combines mechanics of materials with the computational element. The authors suggest an introductory course on mechanics of materials to cover all bases. The book begins with mathematical preliminaries, equations of anisotropic elasticity, virtual work principles, and variational methods. It provides an introduction to the finite element method and finite element analysis of viscoelastic materials, and then moves on to the solvent diffusion process in polymers and polymeric composites, as well as the linear and nonlinear viscoelastic models and the implementation of finite element models of viscoelastic materials. Computational Modeling of Polymer Composites: A Study of Creep and Environmental Effects delves into both uniaxial and multiaxial cases and delayed failure before discussing the finite element analysis of the nonlinear diffusion process in polymers. It also includes non-Fickean diffusion of polymers, the coupled hygrothermal cohesive layer model for simulating debond growth in bimaterial interfaces, and the viscoelastic cohesive layer model for the prediction of interlaminar shear strength of carbon/epoxy composites. The final chapter covers a multi-scale viscoelastic cohesive layer model for predicting delamination in high temperature polymer composites. This book can be used as a reference or as a graduate course textbook on theory and/or finite element analysis of polymers and polymeric composites.
The book presents a state-of-the-art overview of the fundamental theories, established models and ongoing research related to the modeling of these materials. Two approaches are conventionally used to develop constitutive relations for highly deformable fibrous materials. According to the phenomenological approach, a strain energy density function can be defined in terms of strain invariants. The other approach is based on kinetic theories, which treats a fibrous material as a randomly oriented inter-tangled network of long molecular chains bridged by permanent and temporary junctions. At the micro-level, these are associated with chemical crosslinks and active entanglements, respectively. The papers include carefully crafted overviews of the fundamental formulation of the three-dimensional theory from several points of view, and address their equivalences and differences. Also included are solutions to boundary-value problems which are amenable to experimental verification. A further aspect is the elasticity of filaments, stability of equilibrium and thermodynamics of the molecular network theory.
|Author||: Amer Society Composi|
|Publisher||: CRC Press|
|Release Date||: 1995-10-17|
|ISBN 10||: 9781566763769|
|Pages||: 650 pages|
Composite materials are engineered materials made from two or more constituent materials with significantly different physical or chemical properties and which remain separate and distinct on a macroscopic level within the finished structure. Fibre Reinforced Polymers or FRPs include Wood comprising (cellulose fibers in a lignin and hemicellulose matrix), Carbon-fiber reinforced plastic or CFRP, Glass-fibre reinforced plastic or GFRP (also GRP). If classified by matrix then there are Thermoplastic Composites, short fiber thermoplastics, long fibre thermoplastics or long fibre reinforced thermoplastics There are numerous thermoset composites, but advanced systems usually incorporate aramid fibre and carbon fibre in an epoxy resin matrix. Composites can also utilise metal fibres reinforcing other metals, as in Metal matrix composites or MMC. Ceramic matrix composites include Bone (hydroxyapatite reinforced with collagen fibres), Cermet (ceramic and metal) and Concrete. Organic matrix/ceramic aggregate composites include Asphalt concrete, Mastic asphalt, Mastic roller hybrid, Dental composite, Syntactic foam and Mother of Pearl. Chobham armour is a special composite used in military applications. Engineered wood includes a wide variety of different products such as Plywood, Oriented strand board, Wood plastic composite (recycled wood fibre in polyethylene matrix), Pykrete (sawdust in ice matrix), Plastic-impregnated or laminated paper or textiles, Arborite, Formica (plastic) and Micarta. Composite materials have gained popularity (despite their generally high cost) in high-performance products such as aerospace components (tails, wings , fuselages, propellors), boat and scull hulls, and racing car bodies. More mundane uses include fishing rods and storage tanks. This new book presents the latest research from around the world.
This volume constitutes the Proceedings of the IUTAM Symposium on ‘Scaling in Solid Mechanics’, held in Cardiff from 25th to 29th June 2007. The Symposium was convened to address and place on record topical issues in theoretical, experimental and computational aspects of scaling approaches to solid mechanics and related elds. Scaling is a rapidly expanding area of research having multidisciplinary - plications. The expertise represented in the Symposium was accordingly very wide, and many of the world’s greatest authorities in their respective elds participated. Scaling methods apply wherever there is similarity across many scales or one need to bridge different scales, e. g. the nanoscale and macroscale. The emphasis in the Symposium was upon fundamental issues such as: mathematical foundations of scaling methods based on transformations and connections between multi-scale approaches and transformations. The Symposium remained focussed on fundam- tal research issues of practical signi cance. The considered topics included damage accumulation, growth of fatigue cracks, development of patterns of aws in earth’s core and inice, abrasiveness of rough surfaces, and soon. The Symposium consisted of forty-two oral presentations. All of the lectures were invited. Full record of the programme appears as an Appendix. Several of the lectures are not represented, mainly because of prior commitments to publish elsewhere. The proceedings p- vide a reasonable picture of understanding as it exists at present. The Symposium showed that scaling methods cannot be reduced solely to dimensional analysis and fractal approaches.
|Author||: K.R. Balasubramanian,S.P. Sivapirakasam,R. Anand|
|Publisher||: Trans Tech Publications Ltd|
|Release Date||: 2014-07-15|
|ISBN 10||: 3038265462|
|Pages||: 2910 pages|
Collection of selected, peer reviewed papers from the 2014 International Mechanical Engineering Congress (IMEC-2014), June 13-15, 2014, Tamil Nadu, India. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 501 papers are grouped as follows: Chapter 1: Advanced Material and Manufacturing Processes, Chapter 2: Nanomaterials and Nanotechnology in Machinery, Chapter 3: Dynamics and Applied Mechanics, Chapter 4: Tribology, Chapter 5: Thermodynamics and Thermal Engineering, Fuel and Diesel, Chapter 6: Applied Fluids Mechanics in Design of Machines and Equipment, Chapter 7: Vibration and Control, Chapter 8: Drive Systems of Machines, Mechatronics, Robotics and Control, Chapter 9: Engineering Development on Sustainable Energy, Chapter 10: Labour Safety, Ergonomics, Reliability and Safety of Machines and Mechanisms, Chapter 11: Industrial Engineering
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.
With composites under increasing use in industry to replace traditional materials in components and structures, the modeling of composite performance, damage and failure has never been more important. Micromechanics of Composite Materials: 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. This book provides the tools and knowledge from leading micromechanics research, allowing researchers and senior engineers within academia and industry with to improve results and streamline development workflows. Brings together for the first time the findings of a lifetime’s research in micromechanics by recognized leaders in the field Provides a comprehensive overview of all micromechanics formulations in use today and a unified approach that works for the multiscale analysis and design of multi-phased composite materials, considering both small strain and large strain formulations Combines otherwise disparate theory, code and techniques in a step-by-step manner for efficient and reliable modeling of composites