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Homework 02

Homework 02. ANSYS:. Problem 1:. (The system in Homework 01C- Problem 5). k 3. c 3. f 2. x 2. m 2. k 2. c 2. f 1. x 1. m 1. k 1. c 1. Problem 1:. m 1 =5.8 kg, m 2 =3.2 kg, k 1 =4325 N/m, k 2 =3850 N/m, k 3 =3500 N/m, c 1 =37.2 Ns/m, c 2 =33.5 Ns/m, c 3 =32 Ns/m.

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Homework 02

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  1. Homework 02 ANSYS: Problem 1: (The system in Homework 01C- Problem 5)

  2. k3 c3 f2 x2 m2 k2 c2 f1 x1 m1 k1 c1 Problem 1: m1=5.8 kg, m2=3.2 kg, k1=4325 N/m, k2=3850 N/m, k3=3500 N/m, c1=37.2 Ns/m, c2=33.5 Ns/m, c3=32 Ns/m. In the system as shown in the figure, f1 and f2 are the inputs, x1 and x2 generalized coordinates. Find undamped natural frequencies of the systemby ANSYS in Hz. In Homework 01C- Problem 5, the mathematical model is established by using Lagrange equation and the following results are found by MATLAB. f1=4.6549 Hz, f2=8.4979 Hz Compare the results with the results found by ANSYS.

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