Computer-Aided Engineering Design

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Computer-Aided Engineering Design

• Homework
• Assignment 1
• Due on September 12

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Assignment
Problem 1
Solve example 1 using (1) two elements and (2)
eight elements. Compare your results to the exact
values
Note The results form exact displacement
Y0 0
Y2.5 0.001027
Y5.0 0.002213
Y7.5 0.003615
Y10 0.005333
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Problem 1 (cont.)
w1

• (Determining how much the bar will deflect at
  various point along its length when it is
  subjected to the load P)

L
y
E10.4x106 lb/in2, w12 in, w21 in, t0.125 in,
L10 in, P1000 lb.
W2
P
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Assignment
Problem 2
A concrete table column-support with the profile
show in the accompanying figure is to carry a
load of approximately 500 lb. Using the direct
method discussed in class, determine the
deflection and average normal stresses along the
column. Divide the column into five elements
(E3.27 x 103 ksi)
500 lb
The thickness of table 3 in.
9 in
28 in
4 in
1 ft