Study Of Quasi Periodic Architectured Materials
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Study Of Quasi Periodic Architectured Materials
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Author : Arthur Glacet
language : en
Publisher:
Release Date : 2018
Study Of Quasi Periodic Architectured Materials written by Arthur Glacet and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Quasi periodic (QP) structures have shown peculiar properties in the atomistic domain, especially the vibrational one. It could be interesting to be able to transpose these properties in macroscopic meta-materials. Quasi periodic 2D beam lattices are studied in this thesis due to the simplicity of the Euler Bernoulli finite element (FE) model. These beam lattices can easily be produced by additive manufacturing or by laser cutting. It is possible to vary the beam slenderness (i.e the ratio of height over length) that is a interesting parameter to modify the mechanical response of the lattice. Using finite element method, the influence of the beam slenderness over the vibration behavior of the QP beam lattices will be studied. The Kernel Polynomial numerical Method (KPM) is successfully adapted from molecular dynamics simulations in order to study vibrational modes of FE beam lattices without having to fully diagonalize the dynamical matrix. The QP lattices show similar properties as their atomic counterpart e.g mode localization over sub-stuctures and hierarchical dispersion relation. The fracture behavior is also studied, as the special symmetries allowed by the quasi periodicity could result in beam lattices without weak planes for crack propagation. It was proved to be true from static FE simulations with a brittle strain energy breaking criterion. Static simulations were not enough and do not grasp the complex dynamical phenomena taking place in brittle fracture. A dynamic crack propagation model was thus developed. The vibrational properties of quasi periodic structures could also have an impact on the dynamic crack propagation. Several simulations are run in order to study the impact of the slenderness on the energy dissipated by fracture of QP lattices. Finally, a coarse graining method (CG) was developed to identify a continuous Cosserat medium at different scales from the FE beam model. This CG method allows to identify, density, strain, stress and elastic moduli of an equivalent continuous Cosserat. This allows a better understanding of the role of previously identified characteristic sub structures.
Architectured Materials In Nature And Engineering
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Author : Yuri Estrin
language : en
Publisher: Springer
Release Date : 2019-03-27
Architectured Materials In Nature And Engineering written by Yuri Estrin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-27 with Technology & Engineering categories.
This book deals with a group of architectured materials. These are hybrid materials in which the constituents (even strongly dissimilar ones) are combined in a given topology and geometry to provide otherwise conflicting properties. The hybridization presented in the book occurs at various levels - from the molecular to the macroscopic (say, sub-centimeter) ones. This monograph represents a collection of programmatic chapters, defining archimats and summarizing the results obtained by using the geometry-inspired materials design. The area of architectured or geometry-inspired materials has reached a certain level of maturity and visibility for a comprehensive presentation in book form. It is written by a group of authors who are active researchers working on various aspects of architectured materials. Through its 14 chapters, the book provides definitions and descriptions of the archetypes of architectured materials and addresses the various techniques in which they can be designed, optimized, and manufactured. It covers a broad realm of archimats, from the ones occurring in nature to those that have been engineered, and discusses a range of their possible applications. The book provides inspiring and scientifically profound, yet entertaining, reading for the materials science community and beyond.
Management
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Author :
language : en
Publisher:
Release Date : 1988
Management written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Industrial engineering categories.
Nasa Sp 7500
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1986
Nasa Sp 7500 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Mechanics Of Composite And Multi Functional Materials Volume 7
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Author : Carter Ralph
language : en
Publisher: Springer
Release Date : 2015-10-30
Mechanics Of Composite And Multi Functional Materials Volume 7 written by Carter Ralph and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-30 with Technology & Engineering categories.
Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 7 of the Proceedings of the 2015SEM Annual Conference& Exposition on Experimental and Applied Mechanics, the seventh volume of nine from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Multifunctional Materials Hybrid Materials Novel Composites Nano- and Particle-Reinforced Composites Additive Manufacturing of Composites Digital Imaging of Composites Damage Detection Non-Destructive Evaluation Fatigue and Fracture of Composites Manufacturing and Joining of Composites Advanced Composites Applications
50 Years Of Aimeta
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Author : Giuseppe Rega
language : en
Publisher: Springer Nature
Release Date : 2022-06-04
50 Years Of Aimeta written by Giuseppe Rega and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-04 with Technology & Engineering categories.
The book retraces the history of the Italian Association of Theoretical and Applied Mechanics (AIMETA) since its establishment in 1965. AIMETA is the official Italian association of mechanics adhering to IUTAM (International Union of Theoretical and Applied Mechanics), which organizes and coordinates a meaningful number of research activities, the most important of which are the biennial National Congress and the internationally renowned journal “Meccanica”, published by Springer. Besides collecting and organizing all related important data and information, as far as possible, by distinguishing among the five scientific areas – general mechanics, solids, structures, fluids, machines – encompassed by AIMETA, the history of the association is assumed as a proper perspective to overview the evolution of theoretical and applied mechanics in Italy over about the last fifty years. This is accomplished in the first part of the book. with also a specific focus on the mechanics of solids and structures, where the biographies of a meaningful number of recognized Italian scholars of mechanics in all areas are also provided, along with testimonials and memories by a few senior people meaningfully involved with AIMETA and Italian mechanics. The second part gives an account, although unavoidably incomplete, of recent developments of mechanical sciences in Italy, as reflected also in the activities of AIMETA and with reference to the international context. Contributions by a number of invited senior scholars, still very active, consist of overviews on some scientific themes in the various areas, summaries of achievements of research groups, expressions of research viewpoints, prospects for future developments.
21 Jahrestagung Der Deutschen Gesellschaft F R Kristallographie March 2013 Freiberg Germany
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Author :
language : en
Publisher: Walter de Gruyter
Release Date : 2013-10-18
21 Jahrestagung Der Deutschen Gesellschaft F R Kristallographie March 2013 Freiberg Germany written by and has been published by Walter de Gruyter this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-18 with Science categories.
Zeitschrift für Kristallographie. Supplement Volume 33 presents the complete Abstracts of all contributions to the 21rst Annual Conference of the German Crystallographic Society in Freiberg 2013: - Plenary Talks - Microsymposia - Poster Session Supplement Series of Zeitschrift für Kristallographie publishes Proceedings and Abstracts of international conferences on the interdisciplinary field of crystallography.
Nanostructure Control Of Materials
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Author : R H J Hannink
language : en
Publisher: Woodhead Publishing
Release Date : 2006-02-28
Nanostructure Control Of Materials written by R H J Hannink and has been published by Woodhead Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-02-28 with Technology & Engineering categories.
The ability to measure and manipulate matter on the nanometer level is making possible a new generation of materials with enhanced mechanical, optical, transport and magnetic properties. This important book summarises key developments in nanotechnology and their impact on the processing of metals, polymers, composites and ceramics.After a brief introduction, a number of chapters discuss the practical issues involved in the commercial production and use of nanomaterials. Other chapters review ways of nanoengineering steel, aluminium and titanium alloys. Elsewhere the book discusses the use of nanoengineered metal hydrides to store hydrogen as an energy source, and the development of nanopolymers for batteries and other energy storage devices. Other chapters discuss the use of nanotechnology to enhance the toughness of ceramics, the production of synthetic versions of natural materials such as bone, and the development of nanocomposites.Nanostructure control of materials is an ideal introduction to the ways nanotechnology is being used to create new materials for industry. It will be welcomed by R&D managers in such sectors as automotive engineering as well as academics working in this exciting area. Reviews key developments in nanotechnology and their impact on various materials Edited by leading experts in the field
Assessment Of Research Needs For Wind Turbine Rotor Materials Technology
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1991-01-01
Assessment Of Research Needs For Wind Turbine Rotor Materials Technology written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991-01-01 with Technology & Engineering categories.
Wind-driven power systems represent a renewable energy technology. Arrays of interconnected wind turbines can convert power carried by the wind into electricity. This book defines a research and development agenda for the U.S. Department of Energy's wind energy program in hopes of improving the performance of this emerging technology.
The New Materials Society
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Author :
language : en
Publisher:
Release Date : 1990
The New Materials Society written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Competition, International categories.