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Advanced mechanics of materials 5Ed.
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PREFACE This fifth edition represents a major revision of the fourth edition. However, as in previous editions, the blend of analysis, qualified approximations, and judgements based on practical experience is maintained. Each topic is developed from basic principles so that the applicability and limitations of the methods employed are clear. Introductory statements in each chapter serve as guidelines for the reader to the topics that are discussed. The topics are divided into three major parts: Part I—Fundamental Concepts; Part II—Classical Topics in Advanced Mechanics; and Part III—Selected Advanced Topics. Part I, Chapters 1-5, includes topics from elasticity, plasticity, and energy methods that are important in the remainder of the book. In Chapter 1, the role and the limits of design are discussed. Basic concepts of one-dimensional load- stress, load-deflection, and stress-strain diagrams are introduced. A discussion of the tension test and associated material properties is presented, followed by an introduction to failure theories. These concepts are followed, in Chapter 2, by the theories of stress and strain, and by strain measurements (strain rosettes) and, in Chapter 3, by the theory of linear stress-strain-temperature relations. The discussion of anisotropic materials has been expanded, and example problems on orthotropic material behavior are given. Student problems for anisotropic materials are also included. Chapter 4 contains much new material related to inelastic (nonlinear) behavior and a broader treatment of yield criteria, including elastic- plastic behavior of beams, strain-hardening effects in bars, and residual stresses in elastic-plastic bars after unloading. The application of energy methods, Chapter 5, is expanded to include an in-depth discussion of the dummy-load method used by structuraLengineers and its relation to the Castigliano method. Additional worked examples and many new problems have been added. (In this edition, problems have been placed at the end of each Chapter, rather than at the end of each section.) Part II, Chapters 6-12, treats some classical topics of advanced mechanics. Torsion is treated in Chapter 6, including new examples and problems. In addition, a finite difference solution of the rectangular cross section bar is presented. An example of limit analysis and residual stresses in a circular cross section shaft is also included. In Chapters 7 to 9, the three topics of unsymmetrical bending, shear center, and curved beams are examined on a rigorous basis, and limitations on existing analyses are indicated. A presentation of beams on elastic foundations, plus new problems and references, is given in Chapter 10. Some minor clarifications for the thick-wall cylinder and many new student problems are given in Chapter 11. In Chapter 12, the topic of stability of columns is expanded considerably, and a wide range of practical example problems and student exercises is included. Part III, Chapters 13-19, presents the more advanced topics of flat plates, stress concentrations, fracture mechanics, fatigue, creep (time-dependent deformations), contact stresses, and the finite element method. The linear theory of flat plates is given in Chapter 13, including some illustrative problems and a collection of student exercises. The level is appropriate as an introduction for master-level students and for practicing engineers. Chapter 14 collects, in an integrated manner, material on stress concentrations previously presented in parts of Chapters 3, 12, and 13 of the fourth edition. New examples and exercise problems have been added, as well as some new charts of stress concentration factors for rectangular cross section beams. The topic of fracture mechanics is introduced in Chapter 15; it includes material previously given in Chapters 3 and 12 of the fourth edition and a brief discussion of other factors, such as elastic-plastic fracture, crack-growth analysis, load spectra and stress history, testing, and experimental data interpretation. A number of up-to-date books and papers are referenced. Progressive fracture(fatigue) is discussed in Chapter 16, including additional problems and references. An extended discussion of creep is presented in Chapter 17, including creep of metals and non- metals (concrete, asphalt, and wood). Chapter 18, contact stresses, is essentially unchanged from Chapter 14 of the fourth edition. Chapter 19, the finite element method, is a completely rewritten treatment of Chapter 15 of the fourth edition. It includes discussions of the constant strain triangular element, the bilinear rectangular element, the linear isoparametric quadrilateral element, and the plane frame element. Example problems and exercise problems are included. As a result of the new material and problems that have been added, this edition is larger than its predecessors. Consequently, it provides a greater choice of topics for study. It also has the advantage that the book can be used over a lifetime of practice, as a reference to topics of lasting importance in engineering. The book contains more material than can be covered in a one-quarter or a one- semester course. It is, however, with the proper selection of topics, suitable for a one-semester (one-quarter) course at either the senior level or the first-semester graduate level, for a two-semester (two- or three-quarter) course sequence, or as a reference work in several courses in mechanics. The computer program listings in the fourth edition have been omitted from the current edition. However, revised versions of the programs from the fourth edition and new programs for applications in this edition are available on request from one of the authors (R. J. Schmidt, Department of Civil and Architectural Engineering, Box 3295, University of Wyoming, Laramie, WY 82071). We thank Charity Robey, Wiley engineering editor, for her expert help and advice during the development of this edition. We also greatly appreciate the help of Suzanne Ingrao, with the difficult task of galley and page proof editing. We thank the reviewers of the preliminary format and content of the fifth edition for their constructive criticism and suggestions for improving the fourth edition. These reviewers are Stanley Chen, Arizona State University; Donald DaDeppo, University of Arizona; D. W. Haines, Manhattan College; Loren D. Lutes, Texas A. & M. University; Esmet M. Kamil, Pratt Institute; and Thomas A. Lenox, U.S. Military Academy, West Point, NY. We thank especially the reviewers of the draft manuscript for their helpful suggestions. These reviewers are J. A. M. Boulet, University of Tennessee-Knoxville; Ray W. James, Texas A. & M. University; A. P. Moser, Utah State University; William A. Nash, University of Massachusetts-Amherst; and Sam Y. Zamrik, Pennsylvania State University. We also acknowledge the contribution of Travis Finch for the artwork in Figs. 12.12 and 18.1. Finally, we welcome comments, suggestions, questions, and corrections from the reader. They may be sent to Arthur P. Boresi, Department of Civil and Architectural Engineering, Box 3295, University of Wyoming, Laramie, WY 82071. Arthur P. Boresi Richard J. Schmidt Omar M. Sidebottom Download link：http://www.isload.com.cn/store/7gbmjum80ebch [ Last edited by zhq025 on 2008-1-16 at 10:34 ] |
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