ME313 Analysis of Mechanical Components

 

ME313 Analysis of Mechanical Components 

Fall 2 011

Instructor:                 Dr. Sung Yi

                                   EB 403C

                                   Phone: 725-5470

                                   Email: sungyi@cecs.pdx.edu

　

Office Hours:            11:00-12:00 PM, Tuesday & Thursday   

Coverage:

1 week,                        Introduction to Machine Design, Loads, Mechanical Behaviors of Materials and Material Strengths

2 week,                        Stresses and Strains, Hooke`s Law, Mohr Circles,

3 week,                        Bending of Beams

4 week                         Torsion of Beams and Energy Methods

5 week                         Pressure Vessels

6 week                         Stability, Buckling of Column

7 week                         Failure Analysis

8 week                         Fracture Mechanics, Safety Factors and Reliability

9 week                         Fatigue Strengths and Fatigue Life Prediction

10 week                       Impact

　

　

Grades:                       Homework                                           10%

                                    Two Quizzes    (Oct. 27,  Nov. 22)      50%

                                    Final                                                     40%

 

Textbook:

　

Reference:

Useful Information:

　

Reading Assignment:

Week

Chapter & Section

1

Materials
2-1 Material Strength and Stiffness
2-3 Strength and Cold Work

Stresses, Strains, & Hooke's Law
3-4 Stress
3-5 Cartesian Stress Components
3-8 Elastic Strain

2

3-9 Uniformly Distributed Stresses
3-13 Stress Concentration

Principal Stresses and Maximum Shears Stresses
3-7 General Three Dimensional Stress
3-6 Mohr's Circle for Plane Stress

3

 Torsional Load
3-12 Torsion

Beam Bending
3-10 Normal Stresses for Beams in Bending
3-2 Shear Force and Bending Moments in Beams
3-11 Shear Stresses for Beams in Bending
3-18 Curved Beams in Bending
4-3 Deflection Due to Bending
4-4 Beam Deflection Methods
3-3 Singularity Functions
4-5 Beam Deflections by Superposition
4-9 Deflection of Curved Members

4

 Energy Methods
4-7 Strain Energy
4-8 Castigliano's Theorem

Stresses in Thin Walled Pressure Vessels &Thick Walled Cylinders
3-14 Stresses in Pressurized Cylinders
　

5

 Failure Analysis for Static Loading
5.1 Static Strength
5.3 Failure Theories
5.4 Maximum-Shear-Stress Theory for Ductile Materials
5.5 Distortion-Energy Theory for Ductile Materials
5.6 Coulomb-Mohr Theory for Ductile Materials
5.8. Maximum-Normal-Stress Theory for Brittle Materials

6

 4-16 Elastic Stability
4-11 Compression Members
4-12 Long Columns with Central Loading
4-13 Intermediate-Length Columns with Central Loading (J.B. Johnson Formula)

7

 Fracture and Fatigue
5-12 Introduction to Fracture Mechanics
6-6 Linear Elastic Fracture Mechanics ?Crack Growth

8

6-1 Introduction Fatigue in Metals

6-3 Fatigue-Life Methods

6-5 The strain-life method
6-8 Fatigue Strength
6-7 The Endurance Limit

9

6-8 Fatigue Strength
6-7 The Endurance Limit

6-9 Endurance Limit Modifying Factors

10

6-11 Characterizing Fluctuation Stress

6-12 Fatigue Failure Criteria for Fluctuating Stress
6-10 Stress Concentration and Notch Sensitivity

6-13 Torsional Fatigue Strength under Fluctuating Stresses

6-14 Combinations of Loading Modes
6-15 Cumulative Fatigue Damage

　

Homework:

Week

Homework #

Problems

Due Date

1

Homework #1

 2-5, 2-6, 2-7, 2-9

Oct. 6

2

Homework #2

 3-15, 3-20, 3-68, 4-11, 4-12 Oct. 13

3

Homework #3

 Hand-out Oct. 20

4

Homework #4

 Hand-out Oct. 27

5

Homework #5

 3-94, 3-98, 3-100, 3-104, 5-1 Nov. 8

6

Homework #6

4-104, 4-105, 5-82, 5-84, 5-85

Nov. 22

7

Homework #7

6-3, 6-4, 6-5, 6-12, 6-20

Nov. 29

8

Homework #8

　

　

9

 　 　 　

10

 　 　 　

Homework Solutions:

　

This page is maintained by Sung Yi
Comments or questions should be sent to sungyi@ces.pdx.edu.