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对于发动机准静态性能的优化,有限元法是公认的一种好方法。为了提高分析结果的精确性,越来越需要在大量的其它计算和实验手段中应有有限元法。本文介绍了为优化气缸盖-气缸盖垫片-气缸体组件而使用的计算方法与试验方法的相互配合,并解释了一些力学抽象概念,同时描述了定义热力和准静态边界条件以及各种负载方面的困难。此外,对一些复杂的计算,如冷却水流和穴蚀,也作了叙述。
For the optimization of the quasi-static performance of the engine, finite element method is recognized as a good method. In order to improve the accuracy of analytical results, there is an increasing need for finite element methods in a large number of other calculations and experimental methods. This article describes the interplay of calculations and test methods used to optimize cylinder head-cylinder head gasket-cylinder block assemblies and explains some of the mechanical abstraction concepts, as well as the definitions of thermal and quasi-static boundary conditions and the various loads Difficulties in the area. In addition, some complicated calculations, such as cooling water flow and cavitation, are also described.