![1. A bar with uniform cross-sectional area A, elastic modulus E, and length L is loaded with distributed loads q(x). The bar is fixed on the left end and attach to the spring of stiffness K, which is relaxed when the bar is undeformed. A as .02m, the Youngs modulus E as 210 GPa (Steel ASTM A36), K= 1 000kN/m Spring constant K F(spring)←-- Cross sectional Area: A(m2) L (m) d2u(x) dx2 B. C: u(0)=0,F=-Ku(L) =-g(x):0 < x < L (2x)2 AE x = [0,5] 0 (40 points) Write a MATLAB program which: - Takes as input: Length of the bar, number of intervals N and go Assembles the FD matrices Run your program using length L=5 (unit: m), qo-5 (unit: KN), and when N-2,4,8 and N= 16.](https://media.cheggcdn.com/media%2F373%2F37397bd4-0baa-4647-8a09-e975c765da8b%2Fimage)
1. A bar with uniform cross-sectional area A, elastic modulus E, and length L is loaded with distributed loads q(x). The bar is fixed on the left end and attach to the spring of stiffness K, which is relaxed when the bar is undeformed. A as .02m, the Young’s modulus E as 210 GPa (Steel ASTM A36), K= 1 000kN/m Spring constant K F(spring)←– Cross sectional Area: A(m2) L (m) d2u(x) dx2 B. C: u(0)=0,F=-Ku(L) =-g(x):0
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