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From: Kate on 27 May 2005 05:06
Can anybody help me with this problem:

I have a base-excited model as follows:

Input is at base in terms of displacement (it is actually a road
profile)

This is linked to Mass 1 via a spring with stiffness k1

This mass is in turn linked to Mass2 via a spring (k2) and a damper
(C).
There is no external force applied.

If anybody is familier with a quarter-car model, this is what it is.

I am looking for the tranfer equation for the system. For both the
displacments of the masses relative to the base.

I am looking for it in terms of the stiffness and dmaping parameters.

I will be absolutley delighted if anybody can help me with this
problem as it has been annoying me for weekds!!

Thank you, Katherine
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