针对某“215mm”汽轮机封口末叶片,应用有限元方法对其强度进行分析,对有限元计算的结果进行了验证,结合分析结果,对其结构进行了优化,并对不同的优化方案进行了对比,提出了结构优化的最佳力案.%The strength analysis about one "215mm" final turbine blade was conducted in this paper based on finite element method and the finite element results was verified. The structure of the blade rout was optimized based on th strength analysis,and sewral optimized proposal were compared and one optimized structure was recommend.
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