MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.5 and 1.6
Stiffness and Measuremnet
MEEG 3113 Machine Dynamics and Control
More on Springs and Stiffness
A spring-like behavior results from a variety of configurations, includ
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.7, 1.9, and 1.10
MEEG 3113 Machine Dynamics and Control
Design Considerations
Using the analysis so far to
guide the selection of
components.
MEEG 3113 Machine Dynamics and Con
MEEG 3113 MACHINE DYNAMICS AND CONTROL
Computer Project Number 1
Due Monday, January 30, 2017 By 4PM
THIS SHOULD BE DONE IN A GROUP OF 2 AND NO MORE
THAN 3 STUDENTS
TURN IN ONE SOLUTION PER GROUP
ABSOLUTELY NO INDIVIDUAL PROJECT WILL BE ACCEPTED
YOU A
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.3 and 1.4, Viscous
Damping and Energy Methods
MEEG 3113 Machine Dynamics and Control
DampingWhy is it Important?
2
MEEG 3113 Machine Dynamics and Control
DampingWhy it is Impor
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
IntroductionBackground Information
Chapter 1Sections 1.1 and 1.2, Free
Vibration and Harmonic Motion
MEEG 3113 Machine Dynamics and Control
Vibration is Everywhere
Boeing 747 Landing
http:/www.you
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.6, 1.7, 1.9, and 1.10
MEEG 3113 Machine Dynamics and Control
Measurement
Mass: usually pretty easy to measure using a balancea static experiment.
Stiffness: again can be measur
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 3General Forced Response
Section 3.1Impulse Response Function
MEEG 3113 Machine Dynamics and Control
Concept of Forced Response
Landing Gears of Boeing 747-8
Provides stiffness and dampin
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.3 and 1.4, Viscous
Damping and Energy Methods
MEEG 3113 Machine Dynamics and Control
DampingWhy is it Important?
2
MEEG 3113 Machine Dynamics and Control
DampingWhy it is Impor
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Section 2.3 Alternative Representations
MEEG 3113 Machine Dynamics and Control
Alternative Representations
A variety methods for solving differential equations
So far, we used the method of unde
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Section 2.2Harmonic Excitation of
Damped Systems
MEEG 3113 Machine Dynamics and Control
Harmonic Excitation of Damped
Systems
Extending resonance and response calculation to damped
systems
The i
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Section 2.4 Base Excitation
MEEG 3113 Machine Dynamics and Control
Base Excitation
Important Class of Vibration Analysis
Preventing excitations from passing from a vibrating base
through its mount
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.4 and 1.5,
Lagrange Method and Stiffness
MEEG 3113 Machine Dynamics and Control
Lagranges Method for deriving
equations of motion.
Again consider a conservative system and its
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 2Harmonic Excitation
Section 2.1Harmonic Excitation of Undamped Systems
MEEG 3113 Machine Dynamics and Control
Concept of Resonance
Harmonic Excitation is a sinusoidal external force appl
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
Chapter 1Sections 1.1 and 1.2, Free
Vibration and Harmonic Motion
MEEG 3113 Machine Dynamics and Control
Free Vibrations
Vibration deals with how objects motion repeats relative to
a stationary r
MEEG 3113, MACHINE DYNAMICS
AND CONTROL
Prof. Uche Wejinya
IntroductionBackground Information
MEEG 3113 Machine Dynamics and Control
Vibration is Everywhere
Boeing 747 Landing
http:/www.youtube.com/watch?v=2S1OlPapp_s
Boeing 747 Take off
https:/www.youtub
8/24/2016
CHAPTER 2: ATOMIC STRUCTURE AND
BONDING
- What is the overall and electronic structure of atoms?
- What promotes bonding between atoms in metals, ceramics,
and polymers?
- What properties are inferred from bonding?
Chapter 2
MEEG 2303: Introduct
ME 382 Winter 2016
Final Product Development Report
Due Tuesday, 7 June, 11:59pm (to Canvas)
To wrap up the design process, youll be writing a final report (in teams). Please write in complete
sentences, using paragraph structure, with appropriate detail
Homework 2
Due 6 September 2016
Using your lecture notes and Chapter 6 of The Mechanical Design Process, create a House of Quality for
your Paper Launcher, representing the QFD process. Your House of Quality must include:
4 Customers
8 Customer Requirem
CHAPTER 3: STRUCTURE OF CRYSTALS
- How do atoms assemble into solid structures?
- How does the density of a material depend on its crystal
structure?
- What are crystal structures for multi-component materials?
Chapter 3
MEEG 2303: Introduction to Materia
APF =
Volume of unit cell
*assume
hard spheres
Atomic
Packing Frac6on (APF)
APF for a simple cubic structure = 0.52
- How many atoms are in 1 unit cell?
atoms
unit cell
a
volume
atom
4
p (0.5a) 3
1
3
R=0.5a - How
APF
= the atomic rad
Homework 1
Due 30 August 2016
Using your lecture notes and Chapter 5 of The Mechanical Design Process, complete the product
planning and scheduling portion of your Paper Launcher design. This includes:
1. Project Planning Documentation for at least TWELVE
MEEG 2103 Fall 2016
General Competition Requirements
Version 1
Students will design and manufacture a compact mechanism/system that is representative of a
manufacturing process or manufacturing line. The design objective of this system is to launch a
piec
8/22/2016
MEEG 2303: INTRODUCTION TO MATERIALS
Course Objective
Introduce the fundamental concepts, structure, and properties
of commonly-used engineering materials
You will learn about
- Atomic structure and microstructure of materials
- How these struct
MEEG 4483 - Thermal Systems Analysis and Design
Homework - Fall 2016
Due dates are tentative.
Create Visual Basic function ffactor(Re, rr) that calculates the DarcyWeisbach friction factor in a pipe or duct, where Re is the Reynolds No.
and rr is the rela