6533b7d8fe1ef96bd126ae0b

RESEARCH PRODUCT

A ride comfort tyre model for off-highway vehicles

Ole Ø. MouritsenMorten K. BakMichael Rygaard HansenThomas H. LangerThorkil K. Iversen

subject

TruckEngineeringMultibody dynamics simulationbusiness.industryMechanical EngineeringFull scaleMultibody simulationVehicle dynamicsWhole-body vibrationAutomotive engineeringVehicle designVibrationVehicle dynamicsOff-highwayRide comfortAutomotive EngineeringbusinessTyre modellingAll terrain vehiclesSlip (vehicle dynamics)

description

Tyre modelling is a major challenge when using time domain multibody simulation models to evaluate ride comfort on off-highway commercial vehicles. Further, parameters for these big tyres are difficult to obtain and thus, commercial car tyre models are difficult to apply. In this research work, a simple vertical tyre model for off-highway ride comfort evaluation is suggested. A displaced volume approach has been developed and combined with the slip theory to yield a tyre model that can be characterised by only three parameters. Full scale measurements on a dump truck have been carried out. Force responses from measurements are compared to the simulation results. Acceleration responses and the level of whole-body vibrations have also been compared.

https://doi.org/10.1504/ijvd.2014.060773