ENGR 350
Engineering Mechanics of Materials

Course Description
Elasticity, strength, and modes of failure of engineering materials; theory of stresses and strains for ties, shafts, beams, and columns. Cooperative: open to WSU degree-seeking students.
Prereq: ENGR 210, Math 175 Coreq: Math 310

Office Hours (GJ 234H)

  • Monday, 2:30 pm and 3:30 pm
  • Tuesday, 2:30 pm

Course Resources

  • Textbook: Mechanics of Materials - Timothy Philpot, 4th Edition
  • Online: MecMovies (videos/presentations to accompany textbook)

Example Nomenclature for Textbook and Online Learning Modules

  • TB Reading 1.4 - This is a reading assignment from your textbook, section 1.4
  • MM Module 1.4 - On the MecMovie site, learning module M1.4
    (may not be same material as section 1.4 in the textbook)
  • MM Checkpoint M1.3 - On the MecMovie site, Assignment --> Checkpoints Try One, Checkpoint  M1.3
  • MM Checkpoint M1.4 - On the MecMovie site, Assignment --> Checkpoints Try One, Try One M1.4

 

 
WEEK 1: Jan 9 - 11    
Pre-Class Preparation In-Class Activity Post-Class Assignment
Wednesday

Know class time and location

Course Syllabus

Syllabus Activity

Preview and expectations of homework
   - Practice Problems
   - Checkpoints on MecMovies
Homework #1
Friday

* Get familiar with MecMovies site
* Homework ready to turn in

Homework Debrief

Lecture 2 - Statics Review
   - FBD's
   - HW Documentation
   - Centroids
   - Moment of Inertia

Units in Mechanics of Materials

Sample HW Documentation

Homework #2

Chp 1 Preview (temp)

WEEK 2: Jan 14 - 18      
Monday

Read Philpot 1.1-1.2
* Introduction
* Normal Stress under Axial Loading
Homework Debrief
HW Nomenclature

Textbook Alternatives
Study Groups
Engineering PS Documentation

Lecture 3 - Normal Axial Stress and Two-Bar Loading
Homework #3
Wednesday

Read Philpot 1.3-1.4
* Direct Shear Stress
* Bearing Stress

Homework Debrief

Lecture 4 - Shear Stress and Bearing Stress

Homework #4

Chp 2 Preview (temp)

Friday

Read Philpot 2.1-2.2
* Displacement and Deformation
* Normal Strain

Homework Debrief

Lecture 5 - Normal strain in rods and pin assemblies

Homework #5

WEEK 3: Jan 21 - 25    
Monday

NO CLASS
Martin Luther King Day

 

 

Wednesday

Read Philpot 2.3-2.4
* Shear Strain
* Thermal Strain
Homework Debrief

Questions about Quiz 1

Lecture 6 - Shear and Thermal Strain



Homework #6

Chp 3 Preview (temp)

Friday

Read Philpot 3.1-3.2
* Tension Testing
* Stress-Strain Diagram
Homework Debrief

In-Class Quiz 1 (Chapter 1)

Lecture 7 - Tensile Tests, and the Stress-Strain Diagram

Homework #7

Excel Data for HW7.2

 

WEEK 4: Jan 28 - Feb 1    
Monday

Read Philpot 3.3-3.4
* Hooke's Law
* Poisson's Ratio

Homework Debrief

Lecture 8 - Hooke's Law and Poisson's Ratio


Homework #8

 

 

Wednesday

Read Philpot 4.1-4.5
* Design Concepts
* Types of Loads
* Safety
* Allowable Stress Design
* Load and Resistance Factor Design

Homework Debrief

Lecture 9 - Design Safety

Homework #9

 

Friday

Read Philpot 5.1-5.4
* Axial Deformation
* Saint-Venant's Principle
* Deformation - Axial Loading
    - Single Bars
    - System of Bars
Homework Debrief

In-Class Quiz 2 (Chapters 2-3)

Lecture 10 - Axial Deformation
Homework #10

WEEK 5: Feb 4 - 8    
Monday

Read Philpot 5.5-5.7
* Statically Indeterminate Problems
* Thermal Effects
* Stress Concentrations
Homework Debrief

Lecture 11 - Axial Deformation of statically determinate and indeterminate assemblies

TK Solver (In-class Example)
Homework #11

TK Solver HW11 (zip)

Wednesday

Review Philpot 1.1-5.7
* Preparing for Exam
Homework Debrief

Exam Prep
No HW#12 (prep for the exam)

Friday

Study Hard
Get Good Sleep
Bring Exam Supplies
* Pencils and erasers
* Calculator
* Spare Batteries
* Spare Calculator

EXAM 1 (Chapters 1-5)

During class, in classroom
Statically indeterminate problems will *not* be on the exam




WEEK 6: Feb 11 - 15    
Monday

Review Philpot 1.5-1.6

Lecture 13 - Inclined Planes and Coordinate Transformation
Homework #13
Wednesday

Review Philpot 12.1-12.5
Homework Debrief

Lecture 14 - The Stress Element

(Class out early for weather)
Homework #14
Friday

Review Philpot 12.6-12.7
Homework Debrief

Exam Debrief

Lecture 15 - Stress Transformations
Homework #15
WEEK 7: Feb 18 - 22    
Monday


NO CLASS
Presidents' Day

 
Wednesday

Review Philpot 12.7-12.9
Homework Debrief

Lecture 16 - General Stress Transformation Equations

TK Solver Stress Transformation

Homework #16
Friday

Review Philpot 12.7-12.9

No Lecture (classroom taken)

Online Quiz (BbLearn)
Due Monday before class

Self-Study
Lecture 17 - More Principle Stresses and Maximum Shear

Homework #17
WEEK 8: Feb 25 - Mar 1    
Monday

Rember to take your BbLearn quiz before class
Review Philpot 12.8-12.10
Homework Debrief

Lecture 18 - More, More Principle Stresses and Maximum Shear
Homework #18
Wednesday

Review Philpot 12.10
Homework Debrief

Lecture 19 - Mohr's Circle for Plane Stress
Homework #19
Friday

Review Philpot 12.10

 
Homework Debrief

In-Class Quiz 4

Lecture 20 - More Mohr's Circle

Homework #20
WEEK 9: Mar 4 - 8    
Monday

Homework Debrief

Lecture 21 - 3D Hooke's Law

Practice problems for exam
Wednesday Andre Special Guest Lecture
Practice problems for exam
Friday
EXAM 2
SPRING BREAK: Mar 11 - 15    
Monday - Friday  NO CLASS - SPRING BREAK
 
WEEK 10: Mar 18 - 22    
Monday

Exam Debrief

Mid-Course Feedback

 
Wednesday


Lecture 22 - Torsion 1
Homework #22
Friday
Homework Debrief

Lecture 23 - Torsion 2

Homework #23
WEEK 11: Mar 25 - 29    
Monday


Homework Debrief

Lecture 24 - Beam Equilibrium


Homework #24
Wednesday


Homework Debrief

Lecture 25 - Bending 1

Homework #25
Friday


Homework Debrief

Lecture 26 - Bending 2

 
Homework #26
WEEK 12: Apr 1 - 5    
Monday

Homework Debrief

Lecture 27 - Shear in Beams
Homework #27
Wednesday


Homework Debrief

Lecture 28 - Shear Flow
Homework #28
Friday



 
Homework Debrief

Lecture 29 - Beam Deflections
Homework #29
WEEK 13: Apr 8 - 12    
Monday


Homework Debrief

 
Wednesday

Homework Debrief

 
Friday


EXAM 3


 
WEEK 14: Apr 15 - 19    
Monday

Homework Debrief

 
Wednesday

   
Friday Homework Debrief



WEEK 15: Apr 21 - 26    
Monday
 
Wednesday    
Friday DESIGN EXPO - no class

Homework #EXPO
(due Monday)
WEEK 16: April 29 - May 3    
Monday

Homework Debrief
 
Wednesday

Homework Debrief

 
Friday


 
FINAL EXAM: May 9    
Thursday 12:45 to 2:45 FINAL EXAM