中文摘要：

论述了曲轴系多学科行为耦合分析的研究现状和最新进展，讨论了曲轴系多学科行为耦合分析目前存在的问题和不足，分析了曲轴系多学科行为耦合分析的特点和解耦方法。指出开展多工况、计入多种影响因素的曲轴系多学科行为耦合分析、试验研究和专门的应用软件开发是曲轴系多学科耦合研究有待于进一步深入研究的课题。

英文摘要：

The research status and recent progress of multidisciplinary coupling analysis for crankshaft system were introduced, the existing problems and defects of multidisciplinary coupling analysis at present were discussed, and the characteristics and decoupling methods of multidisciplinary coupling analysis were analyzed. The topic on coupling analysis, experimental research and special software development for crankshaft system needed to he researched for further, which referred to multiple working conditions and various influencing factors.