CAD/CAM
Homework
S ummer 2003
Home Work #1
1
Use the following matrices to answer the questions below. If one of the matrix operations cannot
be perform state so and explain why. Solve the questions by hand. You can use MathCad to verify
y our results.
1
Homework 4 - Spring Elements
1.
2.
Solve Problems 2.1, 2.3, 2.5, and 2.12 from the text book
Set up and solve the below problem.
k= 4 lb/in
n4
n1 k= 1 lb/in
n2
External forces applied:
At node 2: 4 lbs to the right
At node 3: 6 lbs to the right
n3
k= 2 lb
HW 10 Solution: beams combined with the membrane element
Coordinate system used:
x: to the right, y: into the paper, z: pointing up
Definition of material properties etc:
9
E := 100 10
t := 15 10
3
A :=
2 1
2
:= 0
h := 0.06
y1 := 1
x1 := 0
b := 0.06
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University of North Florida
College of Computing Engineering and Construction
EML 4500: Finite Element Modeling and Analysis
Course Number:
EML 4500
Course Name:
Finite Element Modeling and Analysis
Course Credit Hours: 3
Course Pre-requisites: EGN 3331 (
Finite Element Modeling
and Analysis with a
Biomechanical
Application
Alexandra Schnning, Ph.D.
Mechanical Engineering
University of North Florida
ASME Southeast Regional XI
Jacksonville, FL
April 8, 2005
Presentation overview
Finite Element Modeling
The
Contact Analysis
I-DEAS Tutorials: Simulation Projects
This tutorial shows how to analyze surface contact. The
electrical flash contacts in a 35mm camera will be
modeled to calculate the contact forces.
Learn how to:
define surface contact
solve a contact
Equation Sheet
Equation 1 - beam element
z
MB, B
MA, A
A, VA
2.E.Iy
Kx
_
b
e
a
m
.
3
L
B, VB
x
L
B, sin
s := VB ( )
xA
yA
xB
2
yB
Equation xA yA xB 2yB
32
c s c c s xA
c
2
2
c s s
E A c s s
K_rod :=
yA
L 2
2
c s
c c s c
xB
c s s 2 c s s 2
yB
A
B
Project 1:
Due: Tuesday 6/7/05
This project is worth 10% of your final project grade (or 4% of your overall grade)
You are to analyze the bracket in the attached files. An evenly distributed load is applied
to the top surface of the bracket in a direction
Finite Element Modeling
and Analysis with a
Biomechanical
Application
Alexandra Schnning, Ph.D.
Mechanical Engineering
University of North Florida
ASME Southeast Regional XI
Jacksonville, FL
April 8, 2005
Presentation overview
Finite Element Modeling
The
Project 4 Finite element modeling and analysis (contact analysis):
Due: Thursday 6/23/05
Grade weight: 10% of your total project grade
A block (10in x 10 in x 5 in) is at rest on a horizontal plane. Use the default steel
material in I-DEAS for the block a
Project 3:
Worth 20% of project grade
Due: Tuesday 6/21/05
You are to add a circular beam element through the bracket created for project 2. The
beam has a diameter of 30 mm, it extends out 50 mm from the bracket on both sides. The
end of the beam is conn
Finite Element Modeling and Analysis
Summer 2005
Project 2
Due: Tuesday 6/14/05
This project is worth 20% of your final project grade (or 8% of your overall grade)
You are to analyze the below support bracket. You will determine the stresses using both a