Micromechanical Modeling Of Integrated Fiber Reinforced Composite Structures
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| Author | : Wim Van Paepegem |
| Publisher | : Woodhead Publishing |
| Total Pages | : 766 |
| Release | : 2020-11-25 |
| Genre | : Technology & Engineering |
| ISBN | : 0128189851 |
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 | : George Dvorak |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 455 |
| Release | : 2012-12-09 |
| Genre | : Science |
| ISBN | : 9400741014 |
This book presents a broad exposition of analytical and numerical methods for modeling composite materials, laminates, polycrystals and other heterogeneous solids, with emphasis on connections between material properties and responses on several length scales, ranging from the nano and microscales to the macroscale. Many new results and methods developed by the author are incorporated into the rich fabric of the subject, which has developed from the work of many researchers over the last 50 years. Among the new results, the book offers an extensive analysis of internal and interface stresses caused by eigenstrains, such as thermal, transformation and inelastic strains in the constituents, which often exceed those caused by mechanical loads, and of inelastic behavior of metal matrix composites. Fiber prestress in laminates, and modeling of functionally graded materials are also analyzed. Furthermore, this book outlines several key subjects on modeling the properties of composites reinforced by particles of various shapes, aligned fibers, symmetric laminated plates and metal matrix composites. This volume is intended for advanced undergraduate and graduate students, researchers and engineers interested and involved in analysis and design of composite structures.
| Author | : Göran Engdahl |
| Publisher | : Elsevier |
| Total Pages | : 409 |
| Release | : 1999-10-20 |
| Genre | : Technology & Engineering |
| ISBN | : 0080533604 |
Handbook of Giant Magnetostrictive Materials contains the knowledge that a mechanical or an electrical engineer needs when considering the use of magnetostrictive materials in a construction project. The book covers the physical origin of giant magnetostriction, its manufacturing and metallurgy, and grain related processes under operation. Comprehensive descriptions of useful models of design methods and tools are given, including the performance of devices and systems comprised of magnetostrictive materials, considering the electrical, magnetic, mechanical, and thermal effects. The book covers all major characterization methods of giant magnetostrictive bulk materials, actuators, and systems. A structured inventory of current and emerging applications of giant magnetostrictive materials is given, covering areas such as sound and vibration sources, vibration control, motional control, material processing, and electromechanical converters. The final chapter offers an up-to-date review of the emerging giant magnetostrictive thin film technologies. The book also contains a market inventory with valuable contact information. - Offers all necessary information for the reader to decide on the applicability of giant magnetostrictive material in a construction - Allows readers to create their own computational design tools based on the model algorithms given in the book; specific programs are also proposed - Gives the reader numerous pieces of advice and hints regarding the further details of construction design, pre-and detail engineering - Provides the reader with information necessary to perform the needed experimental evaluation of materials and actuators in specific applications - Guides the reader through current and potential areas of successful applications of giant magnetostrive materials - Supplies the reader with the necessary contact information to act in the field of giant magnetostrictive materials applications
| Author | : Young Kwon |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 634 |
| Release | : 2007-12-04 |
| Genre | : Technology & Engineering |
| ISBN | : 0387363181 |
This book presents the state-of-the-art in multiscale modeling and simulation techniques for composite materials and structures. It focuses on the structural and functional properties of engineering composites and the sustainable high performance of components and structures. The multiscale techniques can be also applied to nanocomposites which are important application areas in nanotechnology. There are few books available on this topic.
| Author | : Jacob Aboudi |
| Publisher | : Butterworth-Heinemann |
| Total Pages | : 1032 |
| Release | : 2013 |
| Genre | : Technology & Engineering |
| ISBN | : 0123970350 |
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.
| Author | : Jacob Aboudi |
| Publisher | : Elsevier |
| Total Pages | : 341 |
| Release | : 2013-10-22 |
| Genre | : Technology & Engineering |
| ISBN | : 1483290999 |
In the last decade the author has been engaged in developing a micromechanical composite model based on the study of interacting periodic cells. In this two-phase model, the inclusion is assumed to occupy a single cell whereas the matrix material occupies several surrounding cells. A prominent feature of the micromechanical method of cells is the transition from a medium, with a periodic microstructure to an equivalent homogeneous continuum which effectively represents the composite material. Of great importance is the significant advantage of the cells model in its capability to analyze elastic as well as nonelastic constituents (e.g. viscoelastic, elastoplastic and nonlinear elastic), thus forming a unified approach in the prediction of the overall behaviour of composite material. This book deals almost exclusively with this unified theory and its various applications.
| Author | : M. W. Hyer |
| Publisher | : DEStech Publications, Inc |
| Total Pages | : 718 |
| Release | : 2009 |
| Genre | : Technology & Engineering |
| ISBN | : 193207886X |
Updated and improved, Stress Analysis of Fiber-Reinforced Composite Materials, Hyer's work remains the definitive introduction to the use of mechanics to understand stresses in composites caused by deformations, loading, and temperature changes. In contrast to a materials science approach, Hyer emphasizes the micromechanics of stress and deformation for composite material analysis. The book provides invaluable analytic tools for students and engineers seeking to understand composite properties and failure limits. A key feature is a series of analytic problems continuing throughout the text, starting from relatively simple problems, which are built up step-by-step with accompanying calculations. The problem series uses the same material properties, so the impact of the elastic and thermal expansion properties for a single-layer of FR material on the stress, strains, elastic properties, thermal expansion and failure stress of cross-ply and angle-ply symmetric and unsymmetric laminates can be evaluated. The book shows how thermally induced stresses and strains due to curing, add to or subtract from those due to applied loads.Another important element, and one unique to this book, is an emphasis on the difference between specifying the applied loads, i.e., force and moment results, often the case in practice, versus specifying strains and curvatures and determining the subsequent stresses and force and moment results. This represents a fundamental distinction in solid mechanics.
| Author | : Görthofer, Johannes |
| Publisher | : KIT Scientific Publishing |
| Total Pages | : 258 |
| Release | : 2022-09-13 |
| Genre | : Technology & Engineering |
| ISBN | : 373151205X |
Wir präsentieren einen Algorithmus zur schnellen Erzeugung von SMC Mikrostrukturen hoher Güte, durch Verwendung einer exakten Schließung und eines quasi-zufälligen Samplings. Darüber hinaus stellen wir ein modulares Framework zur Modellierung anisotroper Schädigung vor. Unser Konzept der Extraktionstensoren und Schädigungsfunktionen ermöglicht die Beschreibung komplexer Vorgänge. Darüber hinaus schlagen wir einen ganzheitlichen Multiskalenansatz zur Bestimmung anisotroper Versagenskriterien vor. - We introduce an algorithm that allows for a fast generation of SMC composite microstructures. An exact closure approximation and a quasi-random orientation sampling ensure high fidelity. Furthermore, we present a modular framework for anisotropic damage evolution. Our concept of extraction tensors and damage-hardening functions enables the description of complex damage-degradation. In addition, we propose a holistic multiscale approach for constructing anisotropic failure criteria.
| Author | : Blaise Bourdin |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 173 |
| Release | : 2008-04-19 |
| Genre | : Technology & Engineering |
| ISBN | : 1402063954 |
Presenting original results from both theoretical and numerical viewpoints, this text offers a detailed discussion of the variational approach to brittle fracture. This approach views crack growth as the result of a competition between bulk and surface energy, treating crack evolution from its initiation all the way to the failure of a sample. The authors model crack initiation, crack path, and crack extension for arbitrary geometries and loads.
| Author | : Christopher J. Spragg |
| Publisher | : ASTM International |
| Total Pages | : 206 |
| Release | : 1996 |
| Genre | : Composite material |
| ISBN | : 080312046X |
Emphasizing fiber-matrix adhesion and its characterization in composite materials, reports results from applying the most commonly used test methods, such as fragmentation, pull-out, and indentation, to high-performance composites and their constituents. The 13 papers were presented at a symposium i
