直升机全机动态特性有限元分析 |
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引用本文: | 韩普祥,秦瑞芬,凌爱民.直升机全机动态特性有限元分析[J].直升机技术,2001(4):9-12. |
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作者姓名: | 韩普祥 秦瑞芬 凌爱民 |
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作者单位: | 中国直升机设计研究所,景德镇,333001 |
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摘 要: | 本文以某直升机的研制为背景,在设计过程中借助大型标准通用分析软件MSC/NASTRAN对此直升机的全机动态特性进行了有限元分析,计算结果与后续的全机动态特性试验结果比较,主要的固有频率值吻合较好,为全机的结构动态特性设计提供了依据.并且验证了理论分析的正确性。
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关 键 词: | 直升机 全机动态特性 有限元分析 固有频率值 结构动态特性 |
THE FINITE ELEMENT ANALYSIS ON DYNAMIC BEHAVIOR OF HELICOPTER |
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Authors: | Han Puxiang Qin Ruifen Ling Aiming |
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Abstract: | In this paper a finite element analysis of helicopter dynamic behavior taking a designed helicopter as target has been carried out by using MSC/NASTRAN. The predicted results show good agreement with test ones for the main frequencies and modes, which verified the helicopter structure modeling and dynamic design. |
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Keywords: | helicopter dynamic behavior finite element analysis |
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