Dynamic Response of Pre-Stressed Spatially Curved Thin-Walled Beams of Open Profile


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This short book analyses the dynamic stability with respect to small perturbations, as well as the local damage of geometrically nonlinear elastic, spatially curved, open section beams with axial precompression. Transient waves, which are the surfaces of strong discontinuity and wherein the stress and strain fields experience discontinuities, are used as small perturbations; in so doing the discontinuities are considered to be of small magnitude. Such waves are initiated during low-velocity impacts upon thin-walled beams. The theory of discontinuities and the method of ray expansions which allow one to find the desired fields behind the fronts of the transient waves in terms of discontinuities in time-derivatives of the values to be found, are used as the methods of solution for short-time dynamic processes. The example of using the ray expansions for analyzing the impact response of spatially curved thin-walled beams of open profile is demonstrated by solving the problem about the normal impact of an elastic hemispherical-nosed rod upon an elastic arch representing itself a channel-beam curved along an arc of the circumference. The influence of the initial stresses on the dynamic fields has been investigated.










Appendixes 12-19


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Hearings and Reports on Atomic Energy


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Advances in Civil Function Structure and Industrial Architecture


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Advances in Civil Function Structure and Industrial Architecture contains the Proceedings of 5th International Conference on Civil Function Structure and Industrial Architecture (CFSIA 2022), which was held on January 21-23, 2022, in Harbin, China. The Proceedings of CFSIA 2022 is intended to share scientific research results and cutting-edge technologies in the field of civil function structure and control engineering. Researchers, practitioners and academics in these disciplines will find the book useful. Over 90 papers are featured. Many topics are covered, but the contributions may be seen to fall into one of six broad themes of the conference, namely: (i) Engineering Structure (Engineering Advanced Technology, Engineering Structure and Seismic Resistance, High-rise Building and Large-span Structure, Bridge Engineering, Special Structure, Construction Technology, Monitoring and Control of Structure, Cartography and GIS, Concrete Structure, Construction and Control, etc.); (ii) Intelligent Building (Predictive Maintenance, Converged Networks, Wireless Retrofit, Biometric Integration, Computer Management System Engineering, Building Equipment Automatic Control System Engineering, etc.); (iii) Smart City (Intelligent Construction, Intelligent Transportation, Risk Management and Decision Making for Intelligent Construction, Intelligent Building Automation Control System, etc.); (iv) Structural Seismic Resistance (Structural Seismic Design, Earthquakes and Ground Motions, Building Site, Foundation and Basis, Principles of Structural Seismic Design Calculation, Seismic Shear Adjustment and Minimum Seismic Shear Requirements, etc.); (v) Monitoring and Testing (Steel Structure Stress Monitoring, Stress Change Monitoring for Large Construction Projects, Structural Health Monitoring, Foundation Pit Monitoring, Temperature Monitoring for Large Volume Concrete Pouring, etc.); (vi) Engineering Facility (Machinery Facility, Electrical Facility, Stationary Facility, Non-standard Facility, Compressor, Continuous Transmission Facility, etc.).







Williams Textbook of Endocrinology E-Book


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Expertly bridging the gap between basic science and clinical information, Williams Textbook of Endocrinology, 14th Edition, brings together an outstanding collection of world-renowned authors to provide authoritative discussions of the full spectrum of adult and pediatric endocrine system disorders. New chapters and significant revisions throughout keep you up to date with recent advances in medications, therapies, clinical trials, and more. This essential reference is a must-have resource for endocrinologists, endocrine surgeons, gynecologists, internists, pediatricians, and other clinicians who need current, comprehensive coverage of this multifaceted field. - Up to date with recent advances in medications, therapies, and clinical trials. - Provides state-of-the-art coverage of diabetes, metabolic syndrome, metabolic bones disorders, obesity, thyroid disease, testicular disorders, newly defined adrenal disorders and much more - all designed to help you provide optimal care to every patient. - Contains new chapters on Global Burden of Endocrine Disease, Navigation of Endocrine Guidelines, and Transgender Endocrinology. - Includes significant updates to the Diabetes section, including a new chapter on Physiology of Insulin Secretion and greater coverage of Type 2 Diabetes. - Presents current information in a highly illustrated, user-friendly format for quick reference. - Enhanced eBook version included with purchase. Your enhanced eBook allows you to access all of the text, figures, and references from the book on a variety of devices.