I'm confused about that horizontal wall at the top. If it is fixed and we discuss about a suspension of a vehicle, what could the horizontal wall actually represent? In this case, can the block m_1 be considered as the seat and m_2 as the wheel?
I found here Coupled oscillators, the last one on this page, a system named by the author "Vehicle Suspension System". But I am not sure this modelizes a suspension for a vehicle.
I am interested to find and describe appropiate physical phenomena modelized by mechanical systems of this type and...