ME 6201- F INAL EXAMINATION
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On CampusStudents
Monday, ecember 2,20L1, l :30 p m - 2 :20p m
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Distance eamingStudents y Wednesday, ecember 9,2011or by
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Acoustics I Assignment 2
Due January 22, 2013
Each problem worth 15 points
1. Show that the Fourier coefficients of a string fixed at both ends and pulled aside a
ME 6201
Homework #3
Dr. D.L. McDowell
Due: Oct. 10, 2005
1. Consider the time-dependent motion
*
*
*
x1 = x1 kx2 t , x2 = x2 + ( k 1) x3 sinh(t ) , and x3 = x3
a)
b)
Express the velocity field in term
ME 4760 Fall 2006 - Homework #2 Solution
Dr. Ken Cunefare Due 09/07/2006
1.5.6) An 80-dB, 125 Hz pure tone and an 82-dB, 160 Hz pure tone are combined.
a) Find the root-mean-square sound pressure of e
ME 6201
Homework #1 - Solution
Fall 2012
Assume Cartesian coordinates for all problems listed below.
1. Given
1 4 1
A 1 3 8 ,
0 0 10
7 0 2
B 5 10 0 ,
2 0 5
1
c 0 ,
1
2
d 5
15
For indicated r
Exam#2Review
ME4760:EngineeringAcoustics&NoiseControl
Dr.EricaRyherd
FORMAT
PartI:Concepts
15minutes
Closedbook,closednotes,nocalculatorsallowed
Befamiliarwithbasicconcepts,terminology,etc.
1
FORM
ERRATA AND ADDITIONS FOR "Noise Control: from Concept to Application"
1st printing.
November 10, 2010
p8,
line above Example 1.2 title, change Appendix B to Appendix A
p19,
3 lines from the bottom of
Noise control
250
For wave propagation along the direction of ribs or corrugations the bending stiffness
per unit width may be calculated by referring to Figure 6.2, and using the following
equation.
ME 4760 Fall 2006 - Homework #1 Solution
Dr. Ken Cunefare Due 09/05/2006
1a) Prove that Equation (1.3.2) in Wilson is a solution of the wave equation.
Equation (1.3.2) describes a forward traveling pu
Uploading Assignments
using T-Square
You will be using T-Squares Assignment feature to upload
scans of your homework files for grading. Please follow the
directions shown in the following slides to do
FinalReview
ME4760:EngineeringAcoustics&NoiseControl
Dr.EricaRyherd
FORMAT
PartI:Concepts
2530minutes
Closedbook,closednotes,nocalculatorsallowed
Befamiliarwithbasicconcepts,terminology,etc.
1
FOR
ME 6201
Example Homework #1
1. Show that
(a) u v w = u i v k wk ei
~ ~ ~
~
(b) u v w = ijq u i v j wk e q e k
~ ~ ~
~
(c) u v w s = u i v j w j s p ei e p
~ ~ ~
~
for u , v , w , and s vectors.
~
ME 6201
HOMEWORK #2 (prob. #2 modified 9/16/99)
Due September 27, 1999
1. For the motion
x1 x1 x2 t 2 , x2 x1 t x3 t , x3 x2 x3 ln t
(a) determine the Jacobian
(b) find the inverse of the motion, i.e.
ME 4760 Fall 2006 - Homework #7 Solution
Dr. Ken Cunefare Due 10/12/2006
Grading Methodology:
1) Compute SEL per day = 4 points
2) Compute Lday, Lnight, and LDN per day = 4 points
3) Determine L1, L10
ME
ME 6201 Introduction to Continuum Mechanics
D.L. McDowell
Topics on final exam
Basic tensor math
Finite strain kinematics
Rate of deformation and spin
Cauchy stress, equilibrium and surface tractio
ENGINEERING ACOUSTICS AND NOISE CONTROL Syllabus
The George W. Woodruff School of Mechanical Engineering
Georgia Institute of Technology
ME 4760, Fall 2012, 3 CR
COURSE OBJECTIVES:
Study of acoustics
12/3/2012
Instrumentation Basics
ME 4760
Instrumentation
Microphones
An acoustic to electric transducer that
converts acoustic energy into an
electrical signal
Some Types:
Dynamic (electromagnetic
ME 4760, Fall 2006, Homework 11
No Due Date! Will not be graded!
Note that the tables in this MSWord file may be easily cut and pasted into Excel!
1) The table below lists octave band sound power leve
ME 4760 Fall 2006 - Homework #10 Solution
Dr. Ken Cunefare Due 11/09/2006
6.2.2) Find transmission loss (TL) and transmission coefficient (TC) for a 0.75-m2 test sample,
89 dB sound level in the sourc
ME 4760 Fall 2006 - Homework #9 Solution
Dr. Ken Cunefare Due 11/07/2006
5.5.2) For 68-dBA daytime and 66-dBA nighttime sound levels, predict community impact in
terms of sleep disturbance.
Using equa
ME 4760 Fall 2006 - Homework #8 Solution
Dr. Ken Cunefare Due 10/26/2006
4.4.2) Same as Problem 4.4.1, except that hearing thresholds are between 0 and 25 dB in the left
ear.
a) Find the percent heari