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Numerical Modeling Of Materials Under Extreme Conditions

Author : Nicola Bonora
ISBN : 9783642542589
Genre : Technology & Engineering
File Size : 74.87 MB
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The book presents twelve state of the art contributions in the field of numerical modeling of materials subjected to large strain, high strain rates, large pressure and high stress triaxialities, organized into two sections. The first part is focused on high strain rate-high pressures such as those occurring in impact dynamics and shock compression related phenomena, dealing with material response identification, advanced modeling incorporating microstructure and damage, stress waves propagation in solids and structures response under impact. The latter part is focused on large strain-low strain rates applications such as those occurring in technological material processing, dealing with microstructure and texture evolution, material response at elevated temperatures, structural behavior under large strain and multi axial state of stress.
Category: Technology & Engineering

Producing Security

Author : Stephen G. Brooks
ISBN : 9781400841301
Genre : Political Science
File Size : 75.74 MB
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Scholars and statesmen have debated the influence of international commerce on war and peace for thousands of years. Over the centuries, analysts have generally treated the questions "Does international commerce influence security?" and "Do trade flows influence security?" as synonymous. In Producing Security, Stephen Brooks maintains that such an overarching focus on the security implications of trade once made sense but no longer does. Trade is no longer the primary means of organizing international economic transactions; rather, where and how multinational corporations (MNCs) organize their international production activities is now the key integrating force of global commerce. MNC strategies have changed in a variety of fundamental ways over the past three decades, Brooks argues, resulting in an increased geographic dispersion of production across borders. The author shows that the globalization of production has led to a series of shifts in the global security environment. It has a differential effect on security relations, in part because it does not encompass all countries and industries to the same extent. The book's findings indicate that the geographic dispersion of MNC production acts as a significant force for peace among the great powers. The author concludes that there is no basis for optimism that the globalization of production will promote peace elsewhere in the world. Indeed, he finds that it has a net negative influence on security relations among developing countries.
Category: Political Science

Numerical Modelling Of Discrete Materials In Geotechnical Engineering Civil Engineering And Earth Sciences

Author : Heinz Konietzky
ISBN : 9058096807
Genre : Technology & Engineering
File Size : 78.51 MB
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In this fully up-to-date volume, important new developments and applications of discrete element modelling are highlighted and brought together for presentation at the First International UDEC/3DEC Symposium. Papers covered the following key areas: * behaviour of masonry structures (walls, bridges, towers, columns) * stability and deformation of tunnels and caverns in fractured rock masses * geomechanical modelling for mining and waste repositories * rock reinforcement design (anchors, shotcrete, bolts) * mechanical and hydro-mechanical behaviour of dams and foundations * rock slope stability, deformation and failure mechanisms * modelling of fundamental rock mechanical problems * modelling of geological processes * constitutive laws for fractured rock masses and masonry structures * dynamic behaviour of discrete structures. Numerical Modelling of Discrete Materials in Geotechnical Engineering, Civil Engineering, and Earth Sciences provides an ultra-modern, in-depth analysis of discrete element modelling in a range of different fields, thus proving valuable reading for civil, mining, and geotechnical engineers, as well as other interested professionals.
Category: Technology & Engineering

Advanced Materials And Structures For Extreme Operating Conditions

Author : Jacek Skrzypek
ISBN : 3540743006
Genre : Science
File Size : 63.76 MB
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In the pages of this present monograph readers will find virtually everything they need to know about the latest advanced materials. The authors have covered almost every angle, including composites, functionally graded materials, and materials for high temperature service. They also examine advanced approaches to local and non-local analysis of localized damage, and provide a new description of crack deactivation. This highly informative volume also tackles the material properties for high temperature applications.
Category: Science

Advances In Structural Analysis Of Advanced Materials

Author : Moussa Karama
ISBN : 0878492623
Genre : Technology & Engineering
File Size : 38.62 MB
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A collection that provides a forum where engineers, researchers, scientists and industrial experts can present their work and discuss the situation with regard to advanced and associated technologies, experimental techniques, numerical analysis and various developments in the field of advanced materials.
Category: Technology & Engineering

Response Of Structures Under Extreme Loading

Author : Venkatesh K.R. Kodur
ISBN : 9781605952277
Genre : Technology & Engineering
File Size : 85.52 MB
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Original research on performance of materials under a wide variety of blasts, impacts, severe loading and fireCritical information for protecting buildings and civil infrastructure against human attack, deterioration and natural disastersTest and design data for new types of concrete, steel and FRP materials This technical book is devoted to the empirical and theoretical analysis of how structures and the materials constituting them perform under the extreme conditions of explosions, fire, and impact. Each of the 119 fully refereed presentations is published here for the first time and was selected because of its original contribution to the science and engineering of how materials, bridges, buildings, tunnels and their components, such as beams and pre-stressed parts, respond to potentially destructive forces. Emphasis is placed on translating empirical data to design recommendations for strengthening structures, including strategies for fire and earthquake protection as well as blast mitigation. Technical details are provided on the development and behavior of new resistant materials, including reinforcements, especially for concrete, steel and their composites.
Category: Technology & Engineering

Long Term Durability Of Structural Materials

Author : P.J.M. Monteiro
ISBN : 0080535593
Genre : Technology & Engineering
File Size : 36.60 MB
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"Long Term Durability of Structural Materials" features proceedings of the workshop held at Berkeley, CA in October, 2000. It brought together engineers and scientists, who have received grants from the initiative NSF 98-42, to share their results on the study of long-term durability of materials and structures. The major objective was to develop new methods for accelerated short-term laboratory or in-situ tests which allow accurate, reliable, predictions of the long-term performance of materials, machines and structures. To achieve this goal it was important to understand the fundamental nature of the deterioration and damage processes in materials and to develop innovative ways to model the behavior of these processes as they affect the life and long-term performance of components, machines and structures. The researchers discussed their approach to include size effects in scaling up from laboratory specimens to actual structures. Accelerated testing and durability modeling techniques developed were validated by comparing their results with performance under actual operating conditions. The main mechanism of the deterioration discussed included environmental effects and/or exposure to loads, speeds and other operating conditions that are not fully anticipated in the original design. A broad range of deterioration damage, such as fatigue, overload, ultraviolet damage, corrosion, and wear was presented. A broad range of materials of interest was also discussed, including the full spectrum of construction materials, metals, ceramics, polymers, composites, and coatings. Emphasis was placed on scale-dependence and history of fabrication on resulting mechanical behavior of materials.
Category: Technology & Engineering

Comprehensive Nuclear Materials

Author : Todd R Allen
ISBN : 9780080560335
Genre : Technology & Engineering
File Size : 56.23 MB
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Comprehensive Nuclear Materials discusses the major classes of materials suitable for usage in nuclear fission, fusion reactors and high power accelerators, and for diverse functions in fuels, cladding, moderator and control materials, structural, functional, and waste materials. The work addresses the full panorama of contemporary international research in nuclear materials, from Actinides to Zirconium alloys, from the worlds' leading scientists and engineers. Critically reviews the major classes and functions of materials, supporting the selection, assessment, validation and engineering of materials in extreme nuclear environment Fully integrated with, a proprietary database containing useful cross-referenced property data on the lanthanides and actinides Details contemporary developments in numerical simulation, modelling, experimentation, and computational analysis, for effective implementation in labs and plants
Category: Technology & Engineering