Vehicle Design ME 485
Popular in Course
Popular in Mechanical Engineering
This 1 page Class Notes was uploaded by Kaylah Beatty on Saturday October 3, 2015. The Class Notes belongs to ME 485 at Boise State University taught by Rudolph Eggert in Fall. Since its upload, it has received 17 views. For similar materials see /class/218022/me-485-boise-state-university in Mechanical Engineering at Boise State University.
Reviews for Vehicle Design
Report this Material
What is Karma?
Karma is the currency of StudySoup.
Date Created: 10/03/15
ME 485585 Vehicle Design Ride RJE 22209 Forced Vibration Degree of Freedom System Summing the forces on the mass we obtain 161 miE CX1ikxiu0 rearranging we obtain miEcickxcticu however since ut u0 sin wt then 1 unwcos a therefore substituting for Mt we nd miEcXkxcukucu0wcoswtkuosinwt 0 051 1 4 and by simplfying the RHS we obtain me sic kx 140k2 c2502 sinat FO sinat for tan 1 i ca Magnification Factor From differential equations we obtain the steady state solution as F0 ksinwt quot5 xt 7quot 39 17 a Mo 24ww for H 39 a k m 2 the undamped natural frequency and l D or 4 c the damping ratio 2mmn on Magni cation Factor D FO k D u 5 l I i A F 17 oz Moi2 244J4 2 2 Since the force Fl transmitted to the mass results from the spring and damper we nd FLO sic kx wig kxx And we can show that T sinat 0 where the magnitude of the transmissibilityT is 2 12 T o 02 0405 05 1 12141618 2 1750 Mo 24wwquot 02D405