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Introduction to Unified Strength Theory
Strength theory deals with the yield or failure of materials under complex stress state. It is very important in mechanics of materials, strength of structures, and mechanical and civil engineering. Unified strength theory is a series of yield criteria and failure criteria other than a single strength theory. The unified strength theory can be adopted for various kinds of materials, such as metallic materials, geomaterials, polymers etc. It is the solution to the Voigt-Timoshenko Conundrum. Its limit surfaces cover all regions of the convex strength theory from the lower bound to the upper bound. This book gives a clear and brief description about the unified strength theory both in figures and text. Some applications of unified strength theory are also given in this book. This book is suitable for undergraduate students, who are studying the mechanics of materials and engineering mechanics, as well as for graduate students who are interested in this field. Researchers and engineers can also benefit from this book.
Unified Strength Theory and Its Applications
It has been ten years since I presented the paper entitled “A new model and theory on yield and failure of materials under the complex stress state” at the Sixth Conference on Mechanical Behaviour of Materials held at Kyoto, Japan in 1991. The proceedings edited by Jono and Inoue were published by Pergamon Press in 1991. At that conference Professor Murakami and I were invited to act as the chairperson and co-chairperson of a session, and I presented the paper at another session. Few days before the conference, I had given a seminar regarding the tw- shear strength theory and the unified strength theory at Nagoya Technological University. These were the first two presentations of the uni...
Generalized Plasticity
Generalized Plasticity deals with the plasticity of materials and structures. It is an expansion of the "Unified Strength Theory to Plasticity Theory", leading to a unified treatment of metal plasticity and plasticity of geomaterials, generally. It includes the metal plasticity for Tresca materials, Huber-von-Mises materials and twin-shear materials and the geomaterial plasticity for Mohr-Coulomb materials, generalized twin-shear materials and the Unified Strength Theory.
Structural Plasticity
Limit and shakedown analysis for structures can provide a very useful tool for design and analysis of engineering structures. "Structural Plasticity - Limit, Shakedown and Dynamic Plastic Analyses of Structure" provides more general solutions of limit and shakedown analysis for structures by using a unified strength theory. A series of solutions of plates from circular, annular plates to rhombus plates and square plates, rotating discs and cylinders, pressure vessels are presented. These results encompass the Tresca-Mohr-Coulomb solution of structure as special cases. The unified solution, which cannot be obtained by using a single criterion, is suitable to more materials and structures. Maohong Yu is professor of Department of Civil Engineering at Xi'an Jiaotong University, China. He has authored 12 books including "Unified Strength Theory and Its Applications" and "Generalized Plasticity".
Unified Strength Theory and Its Applications
This book thoroughly describes a theory concerning the yield and failure of materials under multi-axial stresses – the Unified Strength Theory, which was first proposed by the author and has been frequently quoted since. It provides a system of yield and failure criteria adopted for most materials, from metals to rocks, concretes, soils, and polymers. This new edition includes six additional chapters: General behavior of Strength theory function; Visualization of the Unified Strength Theory; Equivalent Stress of the UST and Comparisons with other criteria; Economic Signification of the UST; General form of failure criterion; Beauty of Strength Theories. It is intended for researchers and graduate students in various fields, including engineering mechanics, material mechanics, plasticity, soil mechanics, rock mechanics, mechanics of metallic materials and civil engineering, hydraulic engineering, geotechnical engineering, mechanical engineering and military engineering.
Wild Swans
The story of three generations in twentieth-century China that blends the intimacy of memoir and the panoramic sweep of eyewitness history—a bestselling classic in thirty languages with more than ten million copies sold around the world, now with a new introduction from the author. An engrossing record of Mao’s impact on China, an unusual window on the female experience in the modern world, and an inspiring tale of courage and love, Jung Chang describes the extraordinary lives and experiences of her family members: her grandmother, a warlord’s concubine; her mother’s struggles as a young idealistic Communist; and her parents’ experience as members of the Communist elite and their ordeal during the Cultural Revolution. Chang was a Red Guard briefly at the age of fourteen, then worked as a peasant, a “barefoot doctor,” a steelworker, and an electrician. As the story of each generation unfolds, Chang captures in gripping, moving—and ultimately uplifting—detail the cycles of violent drama visited on her own family and millions of others caught in the whirlwind of history.
Quotations from Chairman Mao Tse-Tung
Quotations from Chairman Mao Tse-Tung' is a volume of selected statements taken from the speeches and writings by Mao Mao Tse-Tung, published from 1964 to 1976. It was often printed in small editions that could be easily carried and that were bound in bright red covers, which led to its western moniker of the 'Little Red Book'. It is one of the most printed books in history, and will be of considerable value to those with an interest in Mao Tse-Tung and in the history of the Communist Party of China. The chapters of this book include: 'The Communist Party', 'Classes and Class Struggle', 'Socialism and Communism', 'The Correct Handling of Contradictions Among The People', 'War and Peace', 'Imperialism and All Reactionaries ad Paper Tigers', 'Dare to Struggle and Dare to Win', et cetera. We are republishing this antiquarian volume now complete with a new prefatory biography of Mao Tse-Tung.
Afterlives of Chinese Communism
Afterlives of Chinese Communism comprises essays from over fifty world- renowned scholars in the China field, from various disciplines and continents. It provides an indispensable guide for understanding how the Mao era continues to shape Chinese politics today. Each chapter discusses a concept or practice from the Mao period, what it attempted to do, and what has become of it since. The authors respond to the legacy of Maoism from numerous perspectives to consider what lessons Chinese communism can offer today, and whether there is a future for the egalitarian politics that it once promised.
Soil Mechanics
This book focuses on the unified solutions and analysis for the problems in soil mechanics based on the unified strength theory, which is a new theory on the yield and failure of materials under multi-axial stresses. Then, it provides a system of yield and failure criteria adopted for most materials, from metallic materials to rocks, concretes, soils, polymers, etc. It includes the Tresca criterion, Mohr–Coulomb theory, and Mises criterion as well, which are special cases or linear approximation of the UST.
Computational Plasticity
“Computational Plasticity with Emphasis on the Application of the Unified Strength Theory” explores a new and important branch of computational mechanics and is the third book in a plasticity series published by Springer. The other two are: Generalized Plasticity, Springer: Berlin, 2006; and Structural Plasticity, Springer and Zhejiang University Press: Hangzhou, 2009. This monograph describes the unified strength theory and associated flow rule, the implementation of these basic theories in computational programs, and shows how a series of results can be obtained by using them. The unified strength theory has been implemented in several special nonlinear finite-element programs and comm...
