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Mechanics of Materials 6th Edition


Author: William F. Riley and Leroy D. Sturges

Publisher: Wiley


Publish Date: February 24, 2006

ISBN-10: 047170511X

Pages: 720

File Type: PDF

Language: English

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Book Preface


The primary objectives of a course in mechanics of materi-als are: (1) to develop a working knowledge of the relations between the loads applied to a nonrigid body made of a given material and the resulting deformations of the body to develop a thorough understanding of the relations be-tween the loads applied to a nonrigid body and the stresses produced in the body: (3) to develop a clear insight into the relations between stress and strain for a wide variety of conditions and materials; and (4) to develop adequate pro-cedures for finding the required dimensions of a member of a specified material to carry a given load subject to stated specifications of stress and deflection. These objectives in-volve the concepts and skills that form the foundation of all structural and machine design.

The principles and methods used to meet the general objectives are drawn largely from prerequisite courses in mechanics, physics, and mathematics together with the ba-sic concepts of the theory of elasticity and the properties of engineering materials. This book is designed to emphasize the required fundamental principles, with numerous appli-cations to demonstrate and develop logical, orderly methods of procedure. Instead of deriving numerous formulas for all types of problems, we have stressed the use of free-body diagrams and the equations of equilibrium, together with the geometry of the deformed body, and the observed rela-tions between stress and strain, for the analysis of the force system acting on a body.

This book is designed for a first course in mechanics of deformable bodies. Because of the extensive subdivision into different topics, the book will provide flexibility in the choice of assigrunents to cover courses of different length and content. The developments of structural applications include the inelastic as well as the elastic range of stress; however, the material is organized so that the book will be found satisfactory for elastic coverage only.

Content changes
• A sign convention for internal forces is established in Chapter 1 and followed consistently throughout the text.
• Discussion of the stress element in Chapter 2 is expanded.
• Section 4-6 of the Fifth Edition has been moved and com-bined with section 5-11 on Design
• Updated coverage of combined loadings provided in mul-tiple chapters—Chapters 5, 6, and 7—to offer continuous reinforcement of this difficult topic
• New and revised

New visualization tool
MecMovies, by Tim Philpot of University of Missouri-Rolla is integrated at appropriate places in the text. Win-ner of the Premier Award for Excellence in Engineering Education Software, MecMovies offers a series of inter-active tutorials, quizzes, problems, and games to support lectures and aid student self-study. Icons in the margin re-fer to appropriate sections of MecMovies, and MecMovie Problems and Activities are provided with most end of sec-tion problem sets. Available by accessing the companion site (student companion site) and using the registration code that accompanies new copies of the text.

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