Hwk05 - ME563 – Fall 2011 Purdue University West Lafayette IN Homework Set No 5 Assignment date Friday September 23 Due date Friday September 30

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Unformatted text preview: ME563 – Fall 2011 Purdue University West Lafayette, IN Homework Set No. 5 Assignment date : Friday, September 23 Due date : Friday, September 30 Please attach this cover sheet to your completed homework assignment. Name PUID Problem 5.1 Problem 5.2 Problem 5.3 TOTAL ME 563 – Fall 2011 Homework Prob. 5.1 The system shown below is made up of a block A of mass 2m , a spring of stiffness k and a thin, homogeneous bar of mass m and length L . The spring is unstretched when x = 0 . a) Determine the mass and stiffness matrices of the system corresponding to the generalized coordinates x and θ for small motion about the equilibrium state of x = θ = . b) Determine the natural frequencies and mode shapes for the system. Make sketches of the mode shapes. Do all your calculations by hand. Use kL / mg = 2 . c) Determine the response x t ( ) and θ t ( ) corresponding to initial conditions of x ( ) = θ ( ) = θ ( ) = and x ( ) = v ....
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Hwk05 - ME563 – Fall 2011 Purdue University West Lafayette IN Homework Set No 5 Assignment date Friday September 23 Due date Friday September 30

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