Calculate the structural stiffness matrix of the truss shown. Take A = 300 mm² and E = 200 GPa.
Calculate the structural stiffness matrix of the truss shown. Take A = 300 mm² and E = 200 GPa.
Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)
5th Edition
ISBN:9781305084766
Author:Saeed Moaveni
Publisher:Saeed Moaveni
Chapter9: Mass And Mass-related Variables In Engineering
Section: Chapter Questions
Problem 4P
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Transcribed Image Text:PART A
Calculate the structural stiffness matrix of the truss shown. Take A = 300 mm² and E = 200 GPa.
3 m
3 m
4 m
Global coordinate system, global freedoms, and location vectors are shown in the figure below.
Y
++
4
8
7
5
4
3
2
3
A4
O
6
3
5
25 KN
1
2
25 KN
42
1
1
X
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Step 1: Introduce the problem statement
VIEWStep 2: Formulate member stiffness matrix for member-1
VIEWStep 3: Formulate member stiffness matrix for member-2
VIEWStep 4: Formulate member stiffness matrix for member-3
VIEWStep 5: Formulate member stiffness matrix for member-4
VIEWStep 6: Formulate member stiffness matrix for member-5
VIEWStep 7: Assemble global stiffness matrix
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