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SUMMARYThis paper presents the development of a methodology for simulating flexible track structures in the *NUCARS™ vehicle/track interaction multi-body simulation program. Several different track modeling methods were evaluated and example results arc compared. The implementation of the chosen track model in NUCARS is described. Simulations and comparisons with test data from three research and test programs are presented. This paper discusses the limitations of the methodology and the ongoing development of the NUCARS software to improve the simulation of track structure interaction with vehicle dynamics.
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Elkins et al. (2002) studied this question.
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