Computation of Unsteady Internal Flows provides an in-depth understanding of unsteady flow modeling and algorithms. This understanding enables suitable algorithms and approaches for particular fields of application to be selected. In addition, the understanding of the behavior of algorithms gained allows practitioners to use them more safely in existing codes, enabling meaningful results to be produced more economically. Features of Computation of Unsteady Internal Flows: Specialized unsteady flow modeling algorithms, their traits, and practical tips relating to their use are presented. Case studies considering complex, practically significant problems are given. Source code and set-up files are included. Intended to be of a tutorial nature, these enable the reader to reproduce and extend case studies and to further explore algorithm performances. Mathematical derivations are used in a fashion that illuminates understanding of the physical implications of different numerical schemes. Physically intuitive mathematical concepts are used. New material on adaptive time stepping is included. £/LIST£ Audience: Researchers in both the academic and industrial areas who wish to gain in-depth knowledge of unsteady flow modeling will find Computation of Unsteady Internal Flows invaluable. It can also be used as a text in courses centered on computational fluid dynamics.
Voting difficulties hung over America's presidential election in 2000 like a dark cloud. Hanging chads, a butterfly ballot, and the Supreme Court remain the most vivid memories of that political donnybrook. Passage of 2002's Help America Vote Act sparked further interest in the physical process of casting a ballot, yet several recent contests still produced confusion at the polls. A solution to at least some of those problems may be found in new technology, but such innovations carry their own concerns and questions. V oting Technology is the first book to investigate in a scientific and authoritative manner how voters respond to the new equipment. The authors—an interdisciplinary group of experts in American elections, political behavior, human-computer interaction, and human factors psychology—assess five commercially available voting systems, each one representing a specific class based on shared design principles, as well as a prototype system not currently available. They evaluate the systems against different criteria (including ease of use, speed, and accuracy) using field experiments, laboratory experiments, and expert reviews. The results reveal the good and bad about the new systems, including specific features that contribute to clarity, confusion, or error. Going beyond the concern with spoiled ballots, they determine whether voters actually cast their ballots for the candidates they intended to support. They address fundamental questions of whether voters like and trust the equipment and whether the various systems are equally usable by all voters. Their research also opens up an entirely new line of inquiry by asking about the interaction between ballot format and voter behavior. The concluding chapter pulls together best practices that will guide manufacturers of voting systems, ballot designers, election officials, political observers, and of course, voters. In a political system based on free exercise of personal choice, the least w
Everyone with a professional interest in the flora of Texas will welcome this checklist of the vascular plants. This comprehensive list also includes crops, persistent perennials, and naturalized plants and encompasses over 1,000 changes to the previous (Hatch, 1990) checklist. The authors have arranged this checklist phylogenetically by classes following the Cronquist system. Several features make this checklist especially useful. Chief among them is the relative synonymy (name history). An extensive index makes current classification and correct nomenclature readily accessible, while the botanical bibliography is the most extensive ever compiled for Texas. The authors also note which plants have been listed as threatened or endangered by the Texas Organization of Endangered Species, which are designated as Federal Noxious Weeds, and which have been chosen as state tree, flower, fruit, etc. by the Texas Legislature.
Concert Lighting is a comprehensive book on lighting design for concerts. Placing special emphasis on rock-and-roll concert lighting equipment and techniques, the book takes its reader on tour, covering every aspect of that experience for the touring professional lighting technician and designer. It also provides several chapters to cross-media use of concert lighting techniques. Discussions of applications in film, video, the theatre, and the corporate world demonstrate the ways in which today's lighting designers cross over into other design areas. Covering computer-aided drafting, moving lights, hi-bred consoles, concert techniques in television production, and featuring designs by some of the top concert designers in the industry, Concert Lighting is designed to assist students and professionals in understanding the unique fixtures, structures, special effects and design elements used in concert lighting today.
Stories behind the construction of ten famous United States landmarks including the White House, Liberty Bell, Washington Monument, Golden Gate Bridge, the Mt. Rushmore faces, Statute of Liberty, and Boulder Dam.
In the past, while visiting the First World War battlefields, the author often wondered where the various Victoria Cross actions took place. He resolved to find out. In 1988, in the midst of his army career, research for this book commenced and over the years numerous sources have been consulted. Victoria Crosses on the Western Front – Somme 1916 is designed for the battlefield visitor as much as the armchair reader. A thorough account of each VC action is set within the wider strategic and tactical context. Detailed sketch maps show the area today, together with the battle-lines and movements of the combatants. It will allow visitors to stand upon the spot, or very close to, where each VC was won. Photographs of the battle sites richly illustrate the accounts. There is also a comprehensive biography for each recipient covering every aspect of their lives ‘warts and all’ – parents and siblings, education, civilian employment, military career, wife and children, death and burial/commemoration. A host of other information, much of it published for the first time, reveals some fascinating characters, with numerous links to many famous people and events.
En la p. 85 se indica: "This work is based upon a Lic. Sci. thesis by the junior author, submitted Sept. 1985. Specific delimitation, descriptions, and key are substantially altered
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