Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Question 2 and 3 please

1. Calculate the angle of the bars for the following trusses. Use the node with the lowest label
number as the starting node.
1
1
45°
45°
3
Node numbers in black, bar numbers in red
45°
4
3
2
1
2
1
2. For both trusses, what would be the size of the global matrix equations and where would the
local systems go into the global system. Assume the global system of displacements are ordered
in order of their node numbers. NOTE: Remember that the local systems go into the
3. For both trusses, if all bars are made of the same material and have the same cross sectional area,
and a force of 5kN is applied to node 2 in the positive x-direction. Can any of these problems
be reduced by symmetry?
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Transcribed Image Text:1. Calculate the angle of the bars for the following trusses. Use the node with the lowest label number as the starting node. 1 1 45° 45° 3 Node numbers in black, bar numbers in red 45° 4 3 2 1 2 1 2. For both trusses, what would be the size of the global matrix equations and where would the local systems go into the global system. Assume the global system of displacements are ordered in order of their node numbers. NOTE: Remember that the local systems go into the 3. For both trusses, if all bars are made of the same material and have the same cross sectional area, and a force of 5kN is applied to node 2 in the positive x-direction. Can any of these problems be reduced by symmetry?
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