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Stay on current Cengage siteThe second edition of MECHANICS OF MATERIALS by Pytel and Kiusalaas is a concise examination of the fundamentals of Mechanics of Materials. The book maintains the hallmark organization of the previous edition as well as the time-tested problem solving methodology, which incorporates outlines of procedures and numerous sample problems to help ease students through the transition from theory to problem analysis. Emphasis is placed on giving students the introduction to the field that they need along with the problem-solving skills that will help them in their subsequent studies. This is demonstrated in the text by the presentation of fundamental principles before the introduction of advanced/special topics.

1. STRESS.

Introduction. Analysis of Internal Forces; Stress. Axially Loaded Bars. Shear Stress. Bearing Stress.

2. STRAIN.

Introduction. Axial Deformation; Stress-Strain Diagram. Axially Loaded Bars. Generalized Hooke's Law. Statically Indeterminate Problems. Thermal Stresses.

3. TORSION.

Introduction. Torsion of Circular Shafts. Torsion of Thin-Walled Tubes.

4. SHEAR AND MOMENT IN BEAMS.

Introduction. Supports and Loads. Shear-Moment Equations and Shear-Moment Diagrams. Area Method for Drawing Shear-Moment Diagrams. Moving Loads.

5. STRESSES IN BEAMS.

Introduction. Bending Stress. Economic Sections. Shear Stress in Beams. Design for Flexure and Shear. Design of Fasteners in Built-up Beams.

6. DEFLECTION OF BEAMS.

Introduction. Double Integration Method. Double Integration Using Bracket Functions. Moment-Area Method. Method of Superposition.

7. STATICALLY INDETERMINATE BEAMS.

Introduction. Double-Integration Method. Double-Integration Using Bracket Functions. Moment-Area Method. Method of Superposition.

8. STRESSES DUE TO COMBINED LOADS.

Introduction. Thin-Walled Pressure Vessels. Combined Axial and Lateral Loads. State of Stress at a Point. Transformation of Plane Stress. Mohr's Circle for Plane Stress. Absolute Maximum Shear Stress. Applications of Stress Transformation to Combined Loads. Transformation of Strain: Mohr's Circle for Strain. The Strain Rosette. Relationship Between Shear Modulus and Modulus of Elasticity.

9. COMPOSITE BEAMS.

Introduction. Flexure Formula for Composite Beams. Shear Stress and Deflection in Composite Beams. Reinforced Concrete Beams.

10. COLUMNS.

Introduction. Critical Load. Discussion of Critical Loads. Design Formulas for Intermediate Columns. Eccentric Loading: Secant Formula.

11. ADDITIONAL BEAM TOPICS.

Introduction. Shear Flow in Thin-Walled Beams. Shear Center. Unsymmetrical Bending. Curved Beams.

12. SPECIAL TOPICS.

Introduction. Energy Methods. Dynamic Loading. Theories of Failure. Stress Concentration. Fatigue under Repeated Loading.

13. INELASTIC ACTION.

Introduction. Limit Torque. Limit Moment. Residual Stresses. Limit Analysis.

APPENDIX A: REVIEW OF PROPERTIES OF PLANE AREAS.

APPENDIX B: TABLES.

- Increased amount of figures to accompany homework problems.
- Now includes the analysis of the torsion of rectangular bars, discussing an important applied problem within engineering design.
- Expanded article on reinforced concrete beams now includes Ultimate Moment Analysis based upon the most recent code of the American Concrete Institute (ACI).
- Revised article on the design of intermediate columns now includes the most recent specifications of the American Institute of Steel Construction (AISC).
- New and revised sample and homework problems.

- Offers concise coverage of all of the required material for a Mechanics of Materials course.
- Covers fundamental concepts – clearly and simply – without clouding students’ understanding with details about special cases.
- Advanced topics are found in later chapters and are not interwoven into the early chapters on the basic theory allowing the core material to be efficiently taught without skipping over topics within chapters.
- The general transformation equation for stress (including Mohr’s Circle) are deferred until Chapter 8, after students have gained experience with the basics of axial, torsional, and bending loads.
- In the derivation of formulas, the authors emphasize the physical situation before implementing mathematics to model the problem.

**Andrew Pytel**

The Pennsylvania State University

Dr. Andrew Pytel received his Bachelor of Science Degree in Electrical Engineering, his M.S. in Engineering Mechanics, and his Ph.D in Engineering Mechanics from The Pennsylvania State University. In addition to his career at Penn State University, Dr. Pytel served as an Assistant Professor at the Rochester Institute of Technology in the Department of Mechanical Engineering and as an Assistant Professor at Northeastern University in Boston. He became a full Professor at The Penn State University in 1984 and a Professor Emeritus in 1995. Throughout his career, Dr. Pytel has taught numerous courses and received many honors and awards. He has participated extensively with the American Society for Engineering Education and was named a Fellow of the ASEE in 2008.

**Jaan Kiusalaas**

The Pennsylvania State University

Dr. Jaan Kiusalaas is Professor Emeritus, Engineering Science and Mechanics from The Pennsylvania State University. Dr. Kiusalaas received his Honors BS in Civil Engineering from the University of Adelaide, Australia, his M.S. in Civil Engineering and his Ph.D. in Engineering Mechanics from Northwestern University. Dr. Kiusalaas has been a professor at The Pennsylvania State University since 1963. He is also a Senior Postdoctoral Fellow of NASA's Marshall Space Flight Centre. Dr. Kiusalaas' teaching experience includes addressing topics as Numerical Methods (including finite element and boundary element methods) and Engineering Mechanics, ranging from introductory courses (statics and dynamics) to graduate level courses.

"The presentation is done very well and topic relations and dependence are kept in mind."

"There is more in the book than can possibly be taught in a single course. It is good to have this extra material because students who are interested can study it on their own. It shows what comes next in more advanced studies."

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