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Research on virtual simulation calculation method for fatigue life of truck frame

Aug 2026 · International Conference on Electromechanical Control Technology and Transportation · Vol 14324, pp. 143241B - 143241B-8 · 0 citations · 8 references
Engineering

Abstract

This article systematically demonstrates the method and process of using the combination of "virtual test field+CAE finite element calculation+nCode designlife" virtual simulation method to conduct durability analysis of cargo truck frames based on real vehicle load spectra. Taking a certain light-duty truck as the research object, 9 external connection points on its frame were taken as load collection points. The load data of the relevant test points were obtained through real vehicle collection and virtual test field load extraction. The stress life calculation was carried out using the Design life and Glyphworks modules of nCode software, and the life calculation results obtained by the two methods were compared. The results showed that the calculation error of the virtual simulation method was within an acceptable range, and the method was feasible.

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