A large-scale, high-resolution finite element methodology for thermomechanical analysis of complex engine components has been developed. This paper describes the process and presents an example evaluation of an engine cylinder head. Because of its non-symmetric configuration, the cylinder head was entirely modelled. The geometric nature of the cylinder head requires very precise three-dimensional analysis techniques. The geometry modelling was carried out using a computer-aided engineering tool. Full multidimensional mechanical and thermal stress analysis in the cylinder head is made by using a finite element analysis commercial code. Validation of the simulation is achieved by comparison between simulation and experimental test results. The results of this analysis show high stresses at the valve bridge. These stresses result from a constrained thermal expansion of the cylinder head, and are generally compressive and radial in nature. Finite element analysis (FEA) and computational fluid dynamics (CFD) used in conjunction with experimental verification were found to be very powerful analysis tools for engine component development and design.


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    Title :

    Thermomechanical Analysis of an Engine Cylinder Head


    Contributors:


    Publication date :

    2006-05-01


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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