tailieunhanh - PLASTICITY THEORY

Solid mechanics, which includes the theories of elasticity and plasticity, is a broad discipline, with experimental, theoretical, and computational aspects, and with a twofold aim: on the one hand, it seeks to describe the mechanical behavior of solids under conditions as general as possible, regardless of shape, interaction with other bodies, field of application, or the like; on the other hand, it attempts to provide solutions to specific problems involving stressed solid bodies that arise in civil and mechanical engineering, geophysics, physiology, and other applied disciplines. These aims are not in conflict, but complementary: some important results in the general theory have been obtained in the course of solving. | PLASTICITY THEORY Revised Edition PDF Jacob Lubliner University of California at Berkeley Copyright 1990 2006 by Jacob Lubliner This book was previously published by Pearson Education Inc. Preface When I first began to plan this book I thought that I would begin the preface with the words The purpose of this little book is. While I never lost my belief that small is beautiful I discovered that it is impossible to put together a treatment of a field as vast as plasticity theory between the covers of a truly little book and still hope that it will be reasonably comprehensive. I have long felt that a modern book on the subject one that would be useful as a primary reference and more importantly as a textbook in a graduate course such as the one that my colleague Jim Kelly and I have been teaching should incorporate modern treatments of constitutive theory including thermodynamics and internal variables large-deformation plasticity and dynamic plasticity. By no coincidence it is precisely these topics rather than the traditional study of elastic-plastic boundary-value problems slip-line theory and limit analysis that have been the subject of my own research in plasticity theory. I also feel that a basic treatment of plasticity theory should contain at least introductions to the physical foundations of plasticity and not only that of metals and to numerical methods subjects in which I am not an expert. I found it quite frustrating that no book in print came even close to adequately covering all these topics. Out of necessity I began to prepare class notes to supplement readings from various available sources. With the aid of contemporary word-processing technology the class notes came to resemble book chapters prompting some students and colleagues to ask Why don t you write a book It was these queries that gave me the idea of composing a little book that would discuss both the topics that are omitted from most extant books and for the sake of completeness the .

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