This important monograph is the first comprehensive compendium of engineering models used in high-speed penetration mechanics.The book consists of two parts. The first part (more than a quarter of the book's content) is in fact a handbook giving a very detailed summary of the engineering models used for the analysis of high-speed penetration of rigid projectiles into various media (concrete, metals, geological media). The second part of the book demonstrates the possibilities and efficiency of using approximate models for investigating traditional and nontraditional problems of penetration mechanics.Different chapters in the books are devoted to different classes of problems and can be read independently. Each chapter is self-contained, which includes a comprehensive literature survey of the topic, and carries a list of used notations. The bibliography includes more than 700 references.This monograph is a reliable and indispensable reference guide for anyone interested in using engineering models in high-speed penetration mechanics.
This two-volume, 1100 pages, 38 chapters book is a significantly expanded, revised and updated version of the monograph by the authors published in 2013 (Ben-Dor, G, Dubinsky, A, Elperin, T, 'High Speed Penetration Dynamics: Engineering Models and Methods,' Singapore: World Scientific Publishing Company). The contents increased by 60%, the number of titles in bibliography doubled and reached 1600; and the scope covers a range of new topics related to hypervelocity penetration, along with high-speed impact.Presented material is structured into two parts. The first part includes description and analysis of practically all known engineering models for calculating high-speed penetration of projectiles into concrete, metals, geological shields, adobe, and gelatine.The second part focuses on the use of approximate models for solving conventional and non-standard problems of penetration mechanics including prediction and optimization of protective properties of monolithic and multi-layered shields against high-speed projectiles and space debris; shape optimization of high-speed projectiles penetrating into various media; modelling of penetration and optimal control of penetrators equipped with jet thrusters; and investigation of the efficiency and optimization of segmented projectiles. The book includes comprehensive overviews on basic classes of problems in high-speed penetration mechanics.This is a indispensable reference guide for scientists, engineers, and students specializing in the field of high-speed and hypervelocity penetration mechanics.
The phenomenon of shock wave reflection was first reported by the distinguished philosopher Ernst Mach in 1878. Its study was then abandoned for a period of about 60 years until its investigation was initiated in the early 1940s by Professor John von Neumann and Professor Bleakney. Under their supervision, 15 years of intensive research related to various aspects of the reflection of shock waves in pseudo-steady flows were carried out. It was during this period that the four basic shock wave reflection configurations were discovered. Then, for a period of about 10 years from the mid 1950s until the mid 1960s, investigation of the reflection phenomenon of shock waves was kept on a low flame all over the world (e. g. Australia, Japan, Canada, U. S. A. , U. S. S. R. , etc. ) until Professor Bazhenova from the U. S. S. R. , Professor Irvine Glass from Canada, and Professor Roy Henderson from Australia re initiated the study of this and related phenomena. Under their scientific supervision and leadership, numerous findings related to this phenomenon were reported. Probably the most productive research group in the mid 1970s was that led by Professor Irvine Glass in the Institute of Aerospace Studies of the University of Toronto. In 1978, exactly 100 years after Ernst Mach first reported his discovery of the reflection phenomenon, I published my Ph. D. thesis in which, for the first time, analytical transition criteria between the various shock wave reflection configurations were established.
This unique compendium contains a vast systematized data of 14,000 experiments on high-velocity penetration into metals, concrete, reinforced concrete, and geological media which were published in the open literature (journal papers, reports, conference proceedings) during the last 70 years. Data presented in this edition are related to the initial and final stages of penetration and include: parameters which characterize mechanical and geometric properties of the striker and the shield; striking and residual velocities of projectile or depth of penetration; changes of mass and size of projectile; angles that determine the initial and residual position of the projectile; ballistic limit velocity; basic characteristics of plug and deformation of the shield.Unified form of data representation and common notations are used throughout the book. All information is presented in numerical form in SI units. The book also contains indices which allow a fast search of the authors' publications and related experiments. Theoreticians, design engineers and experimentalists will find this handbook a valuable reference material.
High-speed impact dynamics is of interest in the fundamental sciences, e.g., astrophysics and space sciences, and has a number of important applications in military technologies, homeland security and engineering. When compared with experiments or numerical simulations, analytical approaches in impact mechanics only seldom yield useful results. However, when successful, analytical approaches allow us to determine general laws that are not only important in themselves but also serve as benchmarks for subsequent numerical simulations and experiments. The main goal of this monograph is to demonstrate the potential and effectiveness of analytical methods in applied high-speed penetration mechanics for two classes of problem. The first class of problem is shape optimization of impactors penetrating into ductile, concrete and some composite media. The second class of problem comprises investigation of ballistic properties and optimization of multi-layered shields, including spaced and two-component ceramic shields. Despite the massive use of mathematical techniques, the obtained results have a clear engineering meaning and are presented in an easy-to-use form. One of the chapters is devoted solely to some common approximate models, and this is the first time that a comprehensive description of the localized impactor/medium interaction approach is given. In the monograph the authors present systematically their theoretical results in the field of high-speed impact dynamics obtained during the last decade which only partially appeared in scientific journals and conferences proceedings.
The most detailed and comprehensive examination to show how tiny Israel grew to be a global civil and military cyber power and offer the first detailed proposal for an Israeli National Cyber Strategy. Israel is the subject of numerous cyber attacks from foreign adversaries. As a consequence, it has built an extremely sophisticated cyber security system. Indeed, Israel is now regarded as one of the top cyber powers in the world. In Israel and the Cyber Threat, Charles D. ("Chuck") Freilich, Matthew S. Cohen, and Gabi Siboni provide a detailed and comprehensive study of Israel's cyber strategy, tracing it from its origins to the present. They analyze Israel's highly advanced civil and military cyber capabilities and organizational structures to offer insights into what other countries can learn from Israel's experience. To achieve this, they explore how and why Israel has been able to build a remarkable cyber ecosystem and turn itself, despite its small size, into a global cyber power. The book further examines the major cyber threats facing Israel, including the most in-depth look at Iranian cyber policies and attacks; Israel's defensive and offensive capabilities and the primary attacks it has conducted; capacity building; international cooperation; and the impact of Israel's strategic culture on its cyber prowess. By placing Israel's actions in the realm of international relations theory, the book sheds light on many of the major questions in the field regarding cyber policies. The most authoritative work to date on Israeli cyber strategy, this book provides a comprehensive look at the major actions Israel has taken in cyberspace. It also places them in the broader context of global cyber developments to help readers understand state behavior in cyberspace.
A Guide to the Fundamentals and Latest Concepts of Molecular and Cell Biology Bridging the gap between biology and engineering, Applied Cell and Molecular Biology for Engineers uses clear, straightforward language to introduce you to the cutting-edge concepts of molecular and cell biology. Written by an international team of engineers and life scientists, this vital tool contains “clinical focus boxes” and “applications boxes” in each chapter to link biology and engineering in today's world. To help grasp complex material quickly and easily, a glossary is provided. Applied Cell and Molecular Biology for Engineers features: Clear descriptions of cell structures and functions Detailed coverage of cellular communication In-depth information on cellular energy conversion Concise facts on information flow across generations A succinct guide to the evolution of cells to organisms Inside This Biomedical Engineering Guide Biomolecules: • Energetics • Components of the cell • Cell Morphology: • Cell membranes • Cell organelles • Enzyme Kinetics: • Steady-state kinetics • Enzyme inhibition • Cellular Signal Transduction: • Receptor binding • Apoptosis • Energy Conversion: • Cell metabolism • Cell respiration • Cellular Communication: • Direct • Local • Long distance • Cellular Genetics: • DNA and RNA synthesis and repair • Cell Division and Growth: • Cell cycle • Mitosis • Stem cells • Cellular Development: • Germ cells and fertilization • Limb development • From Cells to Organisms: • Cell differentiation • Systems biology
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