Multi-wheeled vehicles travelling on a rough track are subjected to unequal inputs at different wheel locations and are set to oscillate in various combinations of possible modes. Elastic bending and torsional deformations may be critical in design for vehicles with slender flexible body and components. In the present study, an analytical approach has been developed to study the track induced heave-pitch dynamics of a linear vehicle model composed of lumped masses and slender, non uniform section elastic attachments in coupled bending-torsion modes. Exact modal solutions for the variable section beam member with general end conditions have been derived and utilized to develop the second order response statistics for the system. Results are presented for an aircraft model with tapered flexible wings during ground runs on a non homogeneously profiled track supported by elastic foundation.
Track induced heave-pitch dynamics of vehicles with variable section flexible attachments
Vehicle System Dynamics ; 29 , 1 ; 1-26
1998
26 Seiten, 25 Quellen
Article (Journal)
English
Track Induced Heave-Pitch Dynamics of Vehicles with Variable Section Flexible Attachments
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