A Parameter-Driven Methodology of Wheel Flat Modeling for Wheel–Rail Impact Dynamics
Guangwei Zhao,
Nan Li,
Yuxin Sun
et al.
Abstract:A wheel flat is a typical wheel defect that significantly impacts the wheel–rail system, posing substantial challenges to vehicle operation safety. In the existing literature, the wheel flat plane model does not account for the contribution of the width direction to the impact response and thus cannot accurately reveal the wheel–rail contact state with a flat. This paper systematically proposes a three-dimensional analytical model that considers multiple worn stages and constructs a spatial complex surface rec… Show more
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