Abstract
The bead area of the tire is vulnerable. As the key tire skeleton units, the whole bead typically shows promising application in guaranteeing the usability of the tires as well as the safety of the automobiles. In this paper, a further optimisation is conducted to improve the performance of the whole bead as well as the durability of tire. The suitable optimisation criterion, based on von Mises stress and interlaminar shear stress and the model of the composite in the bead region is hence established for the subsequent optimisation. After topological shape optimisation, which is intended to complete the empirical design, the von Mises stress of the carcass cord and the end of the carcass cord reduced by approximately 20 and 5–16%, respectively. During the calibration of the three-dimensional model, the interlaminar shear stress at the end of the carcass cord reduced around 30%–40%, achieving a good optimisation effect.
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Data Availability
All data, models, or code generated or used during the study are available from the corresponding author by request. Some data, models, or code generated or used during the study are available online. The optimised model: http://whole-bead.test.upcdn.net/Job-OPT.inp.TXT. The original model: http://whole-bead.test.upcdn.net/Job-ORG.inp.TXT. 3D model command: http://whole-bead.test.upcdn.net/3D.inp.TXT.
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Li, Y., Zhang, S., Feng, Q. et al. Topological shape optimisation of a novel whole bead structure based on an interlaminar shear stress criterion. Int J Mech Mater Des 18, 961–974 (2022). https://doi.org/10.1007/s10999-022-09614-9
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DOI: https://doi.org/10.1007/s10999-022-09614-9