Search for dissertations about: "Nizar Chaar"

Found 2 swedish dissertations containing the words Nizar Chaar.

  2. 1. Wheelset structural flexibility and vehicle-track dynamic interaction

    Author : Nizar Chaar; KTH; []
    Keywords : wheelset; structural flexibility; modal analysis; vehicle-track interaction; wheel-rail forces; mathematical modelling; simulations; measurements;

    Abstract : .... READ MORE

  4. 2. Wheelset Structural Flexibility and Track Flexibility in Vehicle-Track Dynamic Interaction

    Author : Nizar Chaar; Stefano Bruni; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Vehicle-track dynamic interaction; wheelset structural flexibility; Structural and vibration physics; Struktur- och vibrationsfysik;

    Abstract : This thesis investigates the influence of wheelset structural flexibility and track flexibility on the vehicle-track dynamic interaction, mainly in terms of wheel-rail forces up to 200 Hz, using simulations and measurements. The previous knowledge in this field is first reviewed and summarized, then two case studies are selected for investigation. READ MORE