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The lessons in this fundamental text equip students with the theory of Computer Assisted Design (CAD), Computer Assisted Engineering (CAE), the essentials of Rapid Prototyping, as well as practical skills needed to apply this understanding in real world design and manufacturing settings. The book includes three main areas: CAD, CAE, and Rapid Prototyping, each enriched with numerous examples and exercises. In the CAD section, Professor Um outlines the basic concept of geometric modeling, Hermite and Bezier Spline curves theory, and 3-dimensional surface theories as well as rendering theory. The CAE section explores mesh generation theory, matrix notion for FEM, the stiffness method, and truss Equations. And in Rapid Prototyping, the author illustrates stereo lithographic theory and introduces popular modern RP technologies. Solid Modeling and Applications: Rapid Prototyping, CAD and CAE Theory is ideal for university students in various engineering disciplines as well as design engineers involved in product design, analysis, and validation.

Methodology of economics --- Partial differential equations --- Materials sciences --- Applied physical engineering --- Engineering sciences. Technology --- Production management --- Business management --- Business economics --- Programming --- Artificial intelligence. Robotics. Simulation. Graphics --- Computer. Automation --- differentiaalvergelijkingen --- financieel management --- DFMA (design for manufacture and assembly) --- computers --- productie --- ingenieurswetenschappen --- CAD (computer aided design)

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This book improves our understanding of terrorists’ motivations and rationality and may, ultimately, also indicate how to respond to the phenomenon of terrorism. In his research studies, Eric van Um explores the political rationality of terrorist groups. The political rationality model builds on rational choice theory. It demands that terrorist groups take into account the costs and benefits of their available options and choose the option promising them the highest political utility. Testing the explanatory power of this model is relevant, as rational choice approaches have become very prominent in terrorism research. But, at the same time, their empirical power remains highly contested. Increased knowledge of the political rationality model not only promises added value for terrorism research itself, but also for social sciences more generally. Contents  Terrorists’ Psychological and Economic Rationality  Terrorists’ Motives  The Puzzle of Inter-Terrorist Group Violence  The Puzzle of Terrorist Groups’ Political Ineffectiveness  Testing the Explanatory Power of the Political Rationality Model Target Groups  Lecturers and students of social sciences specializing in security and terrorism research, conflict research, and economic theory  Employees of authorities and think tanks focused on security-related issues The Author Eric van Um received his doctorate degree fro m the University of Hamburg in 2015. His research focus is on security economics, international security, and political violence.

Social sciences (general) --- International relations. Foreign policy --- Politics --- politieke wetenschappen --- politiek --- sociale wetenschappen --- internationale betrekkingen --- methodologieën

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This book presents the theory, analysis, and design of multiband dual-function microwave and millimeter-wave CMOS radio frequency integrated circuit (RFIC) filter-switches capable of simultaneous switching and filtering, which are relevant for advanced multiband RF systems. Typical microwave and millimeter-wave switches are designed only for switching purposes without considering frequency selectivity or filtering. A separate filter is normally needed to be used with a switch to provide a filtering function. This conventional design approach hence leads to higher insertion loss, larger size and higher cost for RF systems. RF systems operating over multiple bands provide numerous advantages and offer more capabilities for communications and sensing than their single-band counterparts. A concurrent multiband system enables one single system to be used over multiple bands simultaneously, leading to optimum size, cost, and power consumption, together with ease of system implementation. Truly concurrent multiband systems require many components to work on multiple bands simultaneously, including concurrent multiband switches. Microwave and millimeter-wave integrated circuits using silicon-based CMOS (or related BiCMOS) RFICs are less expensive and better suited to direct integration with digital ICs than those using III-V compound semiconductor devices. CMOS RFICs are also small and offer low power consumption, making them suitable for portable battery-operated systems. Accordingly, CMOS RFICs are very attractive for RF systems and are the principal choice for commercial wireless markets. The content is divided into six chapters, the first four of which describe and address band-pass, high-pass, and low-pass filters, as well as multiband band-pass filters, the fundamentals of switches, and various switch architectures including single-pole single-throw (SPST), single-pole double-throw (SPDT), transmit/receive (T/R), and ultra-high-isolation switches, the fundamentals and models of MOSFETs used in the design of switches, and the essentials of CMOS RFIC design needed for the filter-switches presented in this book. In turn, the fifth chapter presents the core of the book, namely the design, simulation, and measurement of various CMOS dual-band dual-function SPDT and T/R switches capable of concurrent switching and filtering, as examples to illustrate the design of multiband dual-function filter-switches. These components operate in two different frequency bands centered at approximately 40 and 60 GHz and 24 and 60 GHz. Lastly, a summary and conclusion are provided in Chapter 6.

Fluid mechanics --- Optics. Quantum optics --- Electrical engineering --- telecommunicatie --- elektronica --- elektrische circuits --- microwaves --- optica

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Programming --- Artificial intelligence. Robotics. Simulation. Graphics --- neuronale netwerken --- fuzzy logic --- cybernetica --- programmeren (informatica) --- AI (artificiële intelligentie)

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Industries --- Wirtschaftslage. --- Wirtschaftsstatistik. --- Irland. --- ECONOMIC CONDITIONS. --- ECONOMIC STATISTICS. --- IRELAND. --- ECONOMIC SURVEYS. --- Economic history. --- Industries. --- Conditions économiques. --- Données statistiques. --- Publications périodiques. --- Economie internationale. --- Evaluation économique. --- Industrial production --- Industry --- Economics --- History, Economic --- Since 1918 --- Ireland --- Ireland. --- Irlande. --- Airlann --- Airurando --- Éire --- Irish Republic --- Irland --- Irlanda --- Irlande --- Irlanti --- Írország --- Poblacht na hÉireann --- Republic of Ireland --- Irish Free State --- Economic conditions --- Business, Economy and Management --- Social Sciences --- Developmental Issues & Socioeconomic Studies