The following two step bar is subjected to an axial load P. The cross-section of the bar is rectangle with a thickness of t=4.9mm, and the Young's modulus is E=88 GPa. Using two elements with equal lengths, find the stiffness matrix of both elements. Suppose that the stiffness matrices are in the form of а K₁= [Ca -a what is the value of a + b? (Hint: The stiffness matrix of each element should be obtained in N/m) 0.1 m aN/m, K₂= 0.5 m b [b b 2 0.0 0.5 m

The following two step bar is subjected to an axial load P. The cross-section of the bar is rectangle with a thickness of t=4.9mm, and the Young's modulus is E=88 GPa. Using two elements with equal lengths, find the stiffness matrix of both elements. Suppose that the stiffness matrices are in the form of а K₁= [Ca -a what is the value of a + b? (Hint: The stiffness matrix of each element should be obtained in N/m) 0.1 m aN/m, K₂= 0.5 m b [b b 2 0.0 0.5 m

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.3.5P: A vertical bar is loaded with axial loads at points B, C, and D. as shown in the figure. The bar is...

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