Engineering Mechanics

Proceedings Vol. 10 (2004)

ENGINEERING MECHANICS 2004

Copyright © 2004 Institute of Thermomechanics, Academy of Sciences of the Czech Republic, Prague

 

Novotný J., Novotný J. jun.
pages 219 - +10p., full text

Moving loads are characteristic for railway and road bridges. Dynamic analysis is as a rule based in this case on a beam model loaded by moving forces of magnitude, which is constant, changing with time harmonically or randomly. If a structure is modelled by a system of finite elements, its stiffness and mass matrices ought to by variable. Modelling of two structural problems is considered. The rail and rolling vehicle interaction and the response of a pipeline entered by a stream of fluid due to the weight and centrifugal forces of the stream. Modelling and response analysis are based on the SYSTUS programme

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