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复合弯扭涡轮叶片尾缝的快速建模

, PP. 48-53

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Abstract:

尾缝是涡轮叶片中的重要冷却结构.为解决复合弯扭叶片尾缝的精确建模问题并提高其建模效率,提出了包含尾缝工具体创建和尾缝窗口创建过程的创成式尾缝快速建模方法.首先通过叶身内外型截面线自动匹配算法、叶盆叶背曲线方位判断算法,创建具有和叶身相同或相近弯扭状况的尾缝工具体.之后借助自定义的数据结构记录各组尾缝窗口信息,创建多组不同规格的尾缝窗口,完成尾缝建模.最后使用UGOpenAPI工具开发了尾缝快速建模程序,并通过实例验证了所提出方法的可行性.

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