MAE 311: Machines and Mechanisms I
Course Project Gate 2: Initial Stress Investigation and Lifecycle Research
Spring 2015
Purpose
In this gate groups will build off the foundational work they completed in Gate 1. From a technical standpoint,
groups will b
MAE 311: Machines and Mechanisms I
Assignment #3
Spring 2015
Due Date: 3/6/2014
Purpose
This assignment further investigates static failure theories. If you have difficulty with this assignment,
you should contact one of the course instructors or teaching
MAE 311: Machines and Mechanisms I
Assignment #2
Spring 2015
Due Date: 2/27/2015
Purpose
This homework examines the fundamental topics of stress, strain, and deflection, principal stress and
stress concentration. If you have difficulty with this assignmen
MAE 311: Machines and Mechanisms I
Assignment #3 Solution
Spring 2015
Due Date: 3/6/2014
Problem 1 (30 Points)
Plot the following sets of stress states on a set of principal axes (an example is provided in Figure 1A of
the Appendix). Calculate the factor
MAE 311: Machines and Mechanisms I
Assignment #4 (5 points will be taken off in the case you dont write section #)
Spring 2015
Due Date: 3/27/2015
Problem 1 (20 Points)
A part is loaded with combination of bending, axial and torsion such that the followin
xx
9 components of stress, yx
zx
xy
yy
zy
Equilibrium in x, y and z yields
x xy xz
Fx 0
x
y
z
xz x
yz yx
zz zx
y
y
yx
x
xy
y
zy
yz
z
Sections:
MWF
T,Th
T,Th
MWF
xz
yz
z
3:00 3:50
9:30 10:50
11:00 12:50
4:00 5:50
Section A
Section B
MAE 311: Machines and Mechanisms I
Activity #3
Spring 2016
Complete in Class
Purpose
This exercise is to get you comfortable with the concept of stress concentrations.
Exercise
Figure 3-30 Axially Loaded Component
See solution to Example 3-13
Determine ho
MAE 311: Machines and Mechanisms I
Activity #2
Spring 2016
Complete in Class
Purpose
This exercise is to get you comfortable with the concept of principal stresses.
Exercise
Determine the principal stresses and their directions for the following stress st
MAE 311: Machines and Mechanisms I
Assignment #1
Spring 2016
Complete in Class
Problem 1
For the given state of stress, draw and label the stress element.
a) xx = -500 psi, yy = 200 psi, zz = 0 psi, xy = 500 psi, yz = 0 psi , xz = 0 psi
200 psi
500 psi
y
MAE 311: Machines and Mechanisms I
In-class Activity #7
Spring 2016
Due End of Class
Solution
Exercise 1
For each scenario below do the following:
Identify the correct method of failure to investigate
Select an appropriate failure theory
Identify the mate
MAE 311: Machines and Mechanisms I
Assignment #8
Spring 2016
Purpose
This assignment provides additional practice to prepare you for your first exam. If you have significant
difficulty with this assignment, you should contact one of the course instructors
MAE 311: Machines and Mechanisms I
In-class Activity #4
Spring 2016
Due at End of Class
Problem 1 (30 Points)
Plot the following sets of stress states on a set of principal axes (an example is provided in Figure 1A of
the Appendix). Calculate the factor o
Chapter 5
Failure of Mechanical components: Three modes of failure:
1.
Static/steady loading
2.
Variable/oscillating/fluctuating loading
3.
Fatigue failure
Failure under steady loading causes yielding, which leads to failure. Failure theory explains why
c
MAE 311: Machines and Mechanisms I
Assignment #4 (5 points will be taken off in the case you dont write section #)
Spring 2015
Due Date: 3/27/2014
Purpose
This assignment investigates fatigue failure theories. If you have difficulty with this assignment,
Chapter 5
Failure of Mechanical components: Three modes of failure:
1.
Static/steady loading
2.
Variable/oscillating/fluctuating loading
3.
Fatigue failure
Failure under steady loading causes yielding, which leads to failure. Failure theory explains why
c
Chapter 4
Stress, Strain and Deflection: For a prismatic bar (uniform cross-section),
b
P
P
A-A'
A-A'
L
L
P
L
, strain,
[for small L]
A
L
Stress, = E and cross-sectional area, A = bh
EAL
EA
Force, P A EA
, where
k Stiffness
L
L
So, P = k L
[spring anal
MAE 311: Machines and Mechanisms I
Assignment #5
Spring 2015
Due Date: 4/13/2015
Purpose
This assignment provides practice on FEA Fundamentals. If you have significant difficulty with this
assignment, you should contact one of the course instructors.
Prob
MAE 311: Machines and Mechanisms I
Assignment #0
Spring 2015
Not Collected
Problem 1
For the beam shown in Figure 1:
a) Determine the reactions at A and B.
b) Draw the Shear Force Diagram.
c) Draw the Bending Moment Diagram
d) Identify where the critical
Chapter 3
Stress and Strain:
Internal forces Stress Strains Displacement
Displacement Strains Stress Internal forces
The two red arrows need material properties.
Constitutive laws: some simplifications and assumptions
1.
Macroscopic level: Treat the body
MAE 311: Machines and Mechanisms I
Assignment #1
Spring 2014
Due Date: 7/14/2014
Purpose
This homework examines the fundamental topics of stress, strain, and deflection. These topics form the
basis for the remainder of the topics in this course. If you ha
2/29/2016
Test 1
March 2nd / 4th (in case
of bad weather)
7:00PM 8:30PM
Hoch 114 & NSC 228
Test Format
Testing Theory
Short answers
Fill in the blank
Multiple choice
Testing Application
Sketching some concepts
Short problems
Long problems
What you c
Chapter 4
Stress, Strain and Deflection: For a prismatic bar (uniform cross-section),
b
P
P
A-A'
A-A'
L
L
L
P
, strain,
[for small L]
L
A
Stress, = E and cross-sectional area, A = bh
EA
EAL
Force, P A EA
, where
k Stiffness
L
L
So, P = k L
[spring anal
MAE 311: Machines and Mechanisms I
Course Project Overview
Spring 2016
Purpose
This semester long project will provide students with an opportunity to apply the fundamental theories
learned in the course to an existing engineered system. Students will abs
MAE 311: Machines and Mechanisms I
Assignment #1 Solution
Spring 2017
Problem 1
For the given state of stress, draw and label the stress element.
a) xx = 500 psi, yy = 300 psi, zz = 0 psi, xy = 200 psi, yz = 0 psi, zx = 0 psi
300 psi
(3 14 = 42)
300 psi
2
5 points will be taken off for not writing the section and another 3 points for not stapling
MAE 311: Machines and Mechanisms I
Assignment #1
Spring 2017
Due Date: 2/14/2017
Purpose
This homework examines the fundamental topics of stress, strain, and defl
MAE 311: Machines and Mechanisms I
Spring 2014
Name:
Exam #1
Print your name at the top each page. You will turn in both this exam sheet and your equation sheet.
Point distribution is shown for each problem (this may be helpful in allocating time for each
Chapter 3
Stress and Strain:
Internal forces Stress Strains Displacement
Displacement Strains Stress Internal forces
The two red arrows need material properties.
Constitutive laws: some simplifications and assumptions
1.
Macroscopic level: Treat the body
Chapter 5
Failure of Mechanical components: Three modes of failure:
1.
Static/steady loading
2.
Variable/oscillating/fluctuating loading
3.
Fatigue failure
Failure under steady loading causes yielding, which leads to failure. Failure theory explains why
c