Xem 1-10 trên 10 kết quả Variational formulations
  • The scope of the series covers the entire spectrum of solid mechanics. Thus it includes the foundation of mechanics; variational formulations; computational mechanics; statics, kinematics and dynamics of rigid and elastic bodies; vibrations of solids and structures; dynamical systems and chaos; the theories of elasticity, plasticity and viscoelasticity; composite materials; rods, beams, shells and membranes; structural control and stability; soils, rocks and geomechanics; fracture; tribology; experimental mechanics; biomechanics and machine design.

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  • Many mechanics and physics problems have variational formulations making them appropriate for numerical treatment by finite element techniques and efficient iterative methods. This book describes the mathematical background and reviews the techniques for solving problems, including those that require large computations such as transonic flows for compressible fluids and the Navier-Stokes equations for incompressible viscous fluids.

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  • Aims and Scope of the Series The fundamental questions arising in mechanics are: Why?, How?, and How much? The aim of this series is to provide lucid accounts written by authoritative researchers giving vision and insight in answering these questions on the subject of mechanics as it relates to solids. The scope of the series covers the entire spectrum of solid mechanics.

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  • The state-of-the-art of controlled radical polymerization (CRP) in 2011 is presented. Atom transfer radical polymerization, stable radical mediated polymerization, and degenerate transfer processes, including reversible addition fragmentation chain transfer are the most often used CRP procedures. CRP opens new avenues to novel materials from a large range of monomers. Detailed structure-reactivity relationships and mechanistic understanding not only helps attain a better controlled polymerization but enables preparation of polymers with complex architectures.

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  • Credit hour is the unit by which an institution measures its course work. The number of credit hours assigned to a course quantitatively reflects the outcomes expected, the mode of instruction, the amount of time spent in class, and the amount of outside preparatory work expected for the class. Considerable variation exists from institution to institution and within a given institution. A semester credit hour is the most commonly used system of measuring course work and is usually based on at least a 14-17 week calendar.

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  • The ability to distinguish individuals from events (e.g., hospital admis- sions) is a key feature of a cancer registry. Thus, the registry should have sufficient information on each individual to avoid multiple registrations of the same subject. The most universal and generally used identifier is the name. The utility of using names will vary depending on local cus- tom. For instance, surname (or family name) may not be used—persons may be known only by their first name. Individuals may change their name when they get married or for other social reasons.

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  • Two models were used to apportion human cases to sources on the basis of sequence types: the modified Hald model and the Island model (12,15). The modified Hald model combines the prevalence of each C. jejuni sequence type among the sources with the observed number of human isolates of that type by using a Bayesian framework (15). This model includes source-specific and type-specific factors, and accounts for variation in the estimated prevalence.

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  • 13 Brake Vibration Formal studies of brake vibration appear to have been first reported in 1935 by Lamarque and Williams, who were concerned with brake squeak [1]. Subsequent theoretical studies provided a mathematical formulation of the problem and further experimental data.

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  • Short Messaging Service (SMS) is popularly used to provide information access to people on the move. This has resulted in the growth of SMS based Question Answering (QA) services. However automatically handling SMS questions poses significant challenges due to the inherent noise in SMS questions. In this work we present an automatic FAQ-based question answering system for SMS users. We handle the noise in a SMS query by formulating the query similarity over FAQ questions as a combinatorial search problem.

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  • The workshop was concluded with a “wrap-up” session involving all participants and presenters. Topics of discussion included the problems associated with trying to calculate the cost-benefit analysis of using regular and novel ingredients in aqua or poultry feeds because of the huge variation in the quantity and quality of regional and provincial supplies. An agreement was reached that some assumptions will need to be made but heavily qualified! Some participants saw that the use of local / regional or vernacular names for certain feed ingredients could become confusing.

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