The study ofthree-dimensional continua has been a traditional part of graduate education in solid mechanics for some time. With rational simplifications to the three-dimensional theory of elasticity, the engineering theories of medium-thin plates and of thin shells may be derived and applied to a large class of engi neering structures distinguished by a characteristically small dimension in one direction. Often, these theories are developed somewhat independently due to their distinctive geometrical and load-resistance characteristics. On the other hand, the two systems share a common basis and might be unified under the classification of Surface Structures after the German term Fliichentragwerke. This common basis is fully exploited in this book. A substantial portion of many traditional approaches to this subject has been devoted to constructing classical and approximate solutions to the governing equations of the system in order to proceed with applications. Within the context of analytical, as opposed to numerical, approaches, the limited general ity of many such solutions has been a formidable obstacle to applications involving complex geometry, material properties, and/or loading. It is now relatively routine to obtain computer-based solutions to quite complicated situations. However, the choice of the proper problem to solve through the selection of the mathematical model remains a human rather than a machine task and requires a basis in the theory of the subject.
This applications-oriented introduction fills an important gap in the field of solid mechanics. Offering a thorough grounding in the tensor-based theory of elasticity for courses in mechanical, civil, materials or aeronautical engineering, it allows students to apply the basic notions of mechanics to such important topics as stress analysis. Further, they will also acquire the necessary background for more advanced work in elasticity, plasticity, shell theory, composite materials and finite element mechanics. This second edition features new chapters on the bending of thin plates, time-dependent effects, and strength and failure criteria.
2009 CHOICE Outstanding Academic Title If George Washington and Abraham Lincoln are the saints in America’s civil religion, then the twenty-ninth president, Warren G. Harding, is our sinner. Prior to the Nixon administration, the Harding scandals were the most infamous of the twentieth century. Harding is consistently judged a failure, ranking dead last among his peers. By examining the public memory of Harding, Phillip G. Payne offers the first significant reinterpretation of his presidency in a generation. Rather than repeating the old stories, Payne examines the contexts and continued meaning of the Harding scandals for various constituencies. Payne explores such topics as Harding’s importance as a midwestern small-town booster, his rumored black ancestry, the role of various biographers in shaping his early image, the tension between public memory and academic history, and, finally, his status as an icon of presidential failure in contemporary political debates. Harding was a popular president and was widely mourned when he died in office in 1923; but with his death began the construction of his public memory and his fall from political grace. In Dead Last, Payne explores how Harding’s name became synonymous with corruption, cronyism, and incompetence and how it is used to this day as an example of what a president should not be.
The explosion of information in neurogenetics and metabolism mandates increasing awareness of appropriate diagnostic and therapeutic strategies in the setting of certain epilepsies, especially those of very early onset. There are over 200 inherited disorders that are associated with seizures and prompt identification and intervention is crucial for a positive outcome. This text brings together the leading authorities working in this area to present state-of-the-art clinical reviews covering the science, recognition, and treatment of the inherited metabolic epilepsies and related disorders. The book begins with general principles for diagnosis and targeted intervention including screening protocols, laboratory testing, seizure patterns and EEG findings, imaging, new technologies, and the ketogenic diet. The next two sections are devoted to the cohort of specific small molecule and large molecule disorders that are treatable yet can be so vexing to clinicians and investigators. The book concludes with a clinical algorithm designed to be a resource for the physician in search of direction while considering an inherited metabolic disorder as the explanation for a patient with epilepsy.
Introduction to Linear Elasticity, 3rd Edition provides an applications-oriented grounding in the tensor-based theory of elasticity for students in mechanical, civil, aeronautical, biomedical engineering, as well as materials and earth science. The book is distinct from the traditional text aimed at graduate students in solid mechanics by introducing its subject at a level appropriate for advanced undergraduate and beginning graduate students. The author's presentation allows students to apply the basic notions of stress analysis and move on to advanced work in continuum mechanics, plasticity, plate and shell theory, composite materials, and finite method analysis.
In the 2nd edition of this controversial critique of Darwinism the author responds to critics of the 1st edition and expands the material in chapter five.
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