Question

The figure below shows a uniform slender bar supported by cantilevers at A and C. At B a linear spring with stiffness K' is connected to an additional point mass 'm'. Note the physical properties of the bar include cross sectional area A, Young's modulus E, second moment of area I, and, density ρ, and length AB-BC-L. 1. 2. Develop the matrix equation of motion for the FEM system in the model How many natural frequencies are in the system? 12 6L-12 6L Us КАв = KBC = -12-61 12-61. 6L 21 -6L 41 156 22L 54 13L 420 154 13L 156-22L 3L-31-22L K-k x (EI)YL3 m = M (pAL)/420

Answer 1

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