Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
Feedback from students and action taken
1. Homework problems are very difficult; also give more examlike problem for
homework.
Action: Other students indicated that homework problems are easy, so comment
reflects large disparity in preparation among stud
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
32108
Name:
EGM5533 Applied Elasticity
IN TERM EXAM II
You may use only one 8.5x11 formula page. No calculators are allowed. Explaining in words how
you obtain answers counts for 50% of the credit. Please sign a pledge that you have not violated any of
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
21207
Name:
EGM5533 Applied Elasticity
IN TERM EXAM
In this exam, you may use only one 8.5x11 formula page. Note that explaining in
words how you obtain answers counts for 50% of the credit. Please sign a pledge that
you have not violated any of the uni
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
Bonus Problems
Bonus problems are intended to encourage the students to think about the physical
principles used in the course and invent problems that probe the understanding of these
physical principles. Bonus problems are to be problems that require so
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
32607
Name:
EGM5533 Applied Elasticity
IN TERM EXAM II
In this exam, you may use only one 8.5x11 formula page. Note that explaining in
words how you obtain answers counts for 50% of the credit. Please sign a pledge that
you have not violated any of the
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
1. The principal stresses at a point are 1 = 10MPa, 2 = 2MPa, 3 = 12MPa .
Without calculating their principal stresses, indicate which of the following stress
tensors are NOT consistent with these principal stresses.
10 0 0
10 0 0
0 5 7
(a) :[ ] =
(b
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
Sample problems for Third Exam
1) A thick cylinder (internal and external radii a,b) under internal pressure p is made
from material with zero Poissons ratio. It is desirable to prevent it from
expanding in the z direction. Calculate the required temperat
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
Sample Problems for Exam II
1. The shaft below has length L, Torsional stiffness GJ and torque T is applied at point C,
which is at a distance of 0.6L from the left (point A). Use Castigliano theorem to
Calculate the maximum twist angle.
T
B
A
C
Solution:
Applied Elasticity and Advanced Mechanics of Solids
EGN 5533

Spring 2008
Nontextbook problems for HW2
The second problem is typical of exam problems, and it should be done without
calculators!
A strain rosette consisting of three strain gages was used to measure the strains at
a point in a thinwalled plate subjected to forc