ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 7 (30 points). Due at the beginning of lecture on Friday, March 1st.
Solve the following problems from Chapter 12, Shigleys Mechanical Engineering Design,

ME503
HW3
Taekon Kim
1.
Given: ZA mode grapheme (2D), A quadratic dispersion relation = ! where C is a
constant.
Find: a. The maximum cutoff wavevector KQ and the corresponding cutoff frequency !

ME 503
HW2
Taekon Kim
1. (a) Known: Max. energy of acoustic: 0.16 eV & optical phonons: .21 eV
Find: !" = ? when T = 300K and 3000K
Solution: In order solve this, we need to use the Boson-Einstein Equation.
1
!" =
E
exp 1
!
We know that Boltzmanns constan

ME 452 - Machine Design I
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 1 (50 points). Due at the beginning of lecture on Wednesday, January 16th.
Important notes for homework assignments (applicable to all homework this semeste

ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 6 (30 points). Due at the beginning of lecture on Friday, February 22nd.
Solve the following problems from Chapter 11, Shigleys Mechanical Engineering Desi

ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 4 (30 points). Due at the beginning of lecture on Friday, February 8th.
Solve the following problems from Chapter 6, Shigleys Mechanical Engineering Design

ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 2 (40 points). Due at the beginning of lecture on Friday, January 25th.
Solve the following problems taken from Chapter 5, Shigleys Mechanical Engineering

ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 5 (30 points). Due at the beginning of lecture on Friday, February 15th.
Solve the following problems from Chapters 6 and 7, Shigleys Mechanical Engineerin

ME 452 - Machine Design II
Name of Student:_
Spring Semester 2013
Name of Instructor:_
Homework No. 3 (40 points). Due at the beginning of lecture on Friday, February 1st.
Solve the following problems from Chapter 6, Shigleys Mechanical Engineering Design

ME 503
HW1
Taekon Kim
#1
Given:
3
! = +
2
3
! =
2
Find: a. The reciprocal lattice vectors
!
b. Show the side length is ! !
3
2
3
2
Solution:
a.
3
3
! = +
2
2
3
3
! =
2
2
We ass