FEM modelling approaches of bolt connections for the dynamic analyses of an automotive engine

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Abstract

Three different finite element method (FEM) modelling approaches of bolt connections of a four-stroke, four-cylinder petrol engine are presented, and the related results compared in terms of preprocessing time and accuracy. A full 3D modelling of the bolt connections was preliminarily validated through a comparison with experimental test data available for the whole engine. Two further modelling approaches, a 1D approach and a contact-based (0D) approach, were benchmarked considering their influence on the accuracy for the dynamic analysis of an engine. Each of the three approaches presented pros and cons, even if the 1D modelling could be envisaged as the recommended one in most of cases.

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Giannella, V., Sepe, R., Citarella, R., & Armentani, E. (2021). FEM modelling approaches of bolt connections for the dynamic analyses of an automotive engine. Applied Sciences (Switzerland), 11(10). https://doi.org/10.3390/app11104343

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