For the figure shown below with 3 bar elements connecting two rigid walls, what is the stiffness matrix for the element connecting node 2 and 3? E₁. A 1.25 m Rigid bar 20- 20 E₂.A 40,000 N E₂.A 0.75 m E₁=2.1 x 10¹1 N E₁ = 70 x 10101 A = 12.5 x 104 m²

For the figure shown below with 3 bar elements connecting two rigid walls, what is the stiffness matrix for the element connecting node 2 and 3? E₁. A 1.25 m Rigid bar 20- 20 E₂.A 40,000 N E₂.A 0.75 m E₁=2.1 x 10¹1 N E₁ = 70 x 10101 A = 12.5 x 104 m²

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter14: Computational Engineering Tools Electronic Spreadsheets

Section: Chapter Questions

Problem 16P

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For the figure shown below with 3 bar elements connecting two rigid walls, what is
the stiffness matrix for the element connecting node 2 and 3?
E₁. A
1.25 m
Rigid bar
20
2
20
E₂.A
40,000 N
E₂.A
0.75 m
3
E₁ = 2.1 × 10¹1 N
E₁ = 70 × 10¹0 N
A = 12.5 x 104 m²

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