problemset9 (1) - in the linear ODE around theta = 0(b...

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MASSACHUSETTS INSTITUTE OF TECHNOLOGY DEPARTMENT OF OCEAN ENGINEERING DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING 13.013J/1.053J Dynamics and Vibration Fall 2002 Problem Set 9 Issued: Day23 Due: 11 am, Day 26 (a) Problem 6.45 : In this problem, derive the nonlinear equations of motion with the direct and indirect methods, static equilibrium positions, linearized equations of motion around each static equilibrium position, linearized stability analysis around each static equilibrium position. Assume that the unstreched length of the spring is known to be equal to D. This quantity is needed in the derivation of the nonlinear ODE of motion (but not
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Unformatted text preview: in the linear ODE around theta = 0). (b) Problem 6.52 : • Only linearized ODE (small motions) is required. Use the direct and indirect methods. (c) Problem 6.75 : • Large motion (energy method). (d) Problem 6.92 : • Only linearized ODE (small motions) is required. Use the direct and indirect methods. (e) Problem 6.102 : • Derive ODEs of motion using the direct and indirect methods. (f) Self Evaluation in another sheet following the instructions in the first class. All students are supposed to work on all the problems assigned....
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