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Spring 2008

Solid Mechanics

Course #: 01-272 Section 2 

Instructor: Dr. Beena Sukumaran

Meeting Place and Times: Rowan 304, TR: 0800-0915

Office Hours: W – 9:30 – 10:30; R – 14:30-15:30

 

Text

Mechanics of Materials, Roy R. Craig

Course Description

This course is an introduction to the field of solid mechanics. The course deals with the study of the behavior of structural members and machine components under applied loading. The applied loads consist of axial forces, transverse forces, torques, moments, and combinations thereof. These loads, which are transmitted through structural members and machine components via internal stresses, result in deformations of these components. Structural members and machine components are modeled as bars, shafts, beams, and columns, which stretch, twist, bend, and buckle under applied loads. Implications of mechanical behavior on the design of machine components and structural members are stressed throughout the course.

 

Prerequisite: Physics I, Calculus II and Statics.

Attendance Policy

In keeping with published policy (see p. 28 of the 1995-96 Rowan Undergraduate Catalog), attendance is required because substantial in-class material is presented. Points will be deducted from the final grade for unexcused absences. The instructor must be notified of an excused absence in advance of the class.

Grading

This course is only offered for grade credit.  The grade is determined by evaluating work performed in the listed areas:

  • Attendance and professionalism                           5%
  • Homework                                                             5%           
  • Classwork and quizzes                                        30%
  • Midterm Exam                                                     25%
  • Final Exam                                                           35%

Professional Behavior

It is extremely important that you treat your instructor and your colleagues with respect and consideration.  It is expected, therefore, that you will maintain good professional conduct throughout this course, in all your interactions with your peers and the instructor.  You will earn points for having good professional conduct, and you may lose points for exhibiting poor behavior.  Poor conduct includes sleeping in class, coming late for class, and leaving your cell phone on when in class, to name a few.  Your professional conduct and grades will also be evaluated based on the following considerations:

1.      All students should be on time to class.  Only under emergency circumstances can you miss class and this will be granted only when proper documentation is provided.  If a student is excused, he/she will be given a reasonable opportunity to make up such work but it is the student’s responsibility to find a reasonable time to do that.  Quizzes will be given at the beginning of each class on material previously covered.  Units are required on all work. 

2.      Any form of cheating, plagiarism, and/or academic dishonesty will result in an "F" grade in the course for the individual(s) involved.

3.      A 2-hour closed book midterm examination will be given approximately the 8th week of class. A one-page 81/2 X 11 inch formula sheet (prepared by the student) is permitted.

4.      A 2-hour final exam will be given during the final exam week. The final exam is comprehensive.  A one-page 81/2 X 11 inch formula sheet (prepared by the student) is permitted.

5.      Partial credit will be given to incorrectly solved problems, as long as the solution reflects basic understanding of the material. 

 Assignments

All assignments submitted in class should have the following characteristics:

  1. Neatness
  2. Units on the final answer. No units, no credit.
  3. A box around the final answer.
  4. Free body diagrams when used.
  5. Begin at the top of the page and preferably on engineering paper.

Exams

Two closed-book exams will be given. Several announced and unannounced quizzes will be given in class.

Topic List & Course Schedule

Week

Topics

Reading

1

Review of Problem Solving and Statics

Stress and Strain

Chap. 1 & 2

2,3

Axial Loading - Deformation under axial loads, statically indeterminate problems, thermal expansion, shear strain, inelastic deformation

Chap.3

3.1-3.8, 3.11

4,5

Torsion - Stress and deformation in a circular shaft, angle of twist, statically indeterminate shafts, transmission shafts

Chap. 4

4.1-4.8

6,7

Equilbrium of Beams – Relationship between loads, shear force and bending moment, shear and bending moment diagrams

Midterm

Chap. 5

5.1-5.4

 

9,10

Stresses in Beams – strain-displacement, flexural stress, design for strength, non-homogeneous beams, shear flow and build-up

Chap. 6

6.1-6.5,6.8-6.11

11,12

Deflection of Beams

Chap. 7

7.1-7.4

13

Transformation of Stress - principal stresses, Mohr’s circle, general state of stress, yield criteria

Combined loading

Chap. 8 & 9

8.1-8.5

9.1-9.4

14

Final exam

 

Partial Notes

Chapters 2 & 3 (Stress and strain)

Chapter 4

Chapter 6

Homework Solutions

Homework #1

Homework #2

Homework #3

Homework #4

Midterm Exam

Homework #5

Homework #6

Homework #7

Review presentation