Assessment of an engine cylinder head-block joint using finite element analysis |
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Authors: | S -S Cho C S Shin C S Lee H Chang K W Lee |
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Institution: | 1.Department of Mechanical & System Design Engineering,Hongik University,Seoul,Korea;2.Hyundai Motor Company,Gyeonggi,Korea |
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Abstract: | An engine cylinder head-block joint is a gasketed, bolted joint. Assessment of sealing performance and fatigue durability
of the joint during engine development relies entirely on the engine dynamometer test because the rig test cannot mimic the
engine run condition and finite element analysis employs gasket and bolt models that are too simple to provide the stress
data for fatigue assessment. This paper introduces finite element-based assessment of the gasket and the bolt and a model
that improves the analysis accuracy without increasing computation time. Experimental data for the deformation of joint members
under thermo-mehanical load are presented to demonstrate the accuracy of the model. |
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