Abstract
AbstractA non‐linear FEM model of brake discs of high‐speed trains with thermal‐mechanical coupling has been established in ANSYS. The simulation and analysis of 3‐D transient temperature field and stress field of brake discs have been carried out for the braking process. According to typical imperfections of brake discs, some imperfection models of brake discs have been developed and the thermal stresses of different models are obtained through simulation and analysis. By comparing results of different models, the influence of imperfection parameters, including the position, depth and size, is resulted for the thermal resistance of brake discs. (© 2009 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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