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首页> 外文会议>2018 IEEE 4th Information Technology and Mechatronics Engineering Conference >Analysis of dynamic characteristic and parameter sensitivity of diamond back wing
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Analysis of dynamic characteristic and parameter sensitivity of diamond back wing

机译：钻石后翼的动力特性和参数敏感性分析

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To study the dynamic characteristic of diamond back wing and Relevant influencing factors, a fine three-dimensional model and assembly of the main components of the small diameter bomb are established in Pro/E. The ANSYS software is used to analyze the dynamic characteristics of the equivalent density model, and the free mode of the full bomb is calculated. Then the global structure sensitivity analysis is executed, and the Spearman rank correlation coefficient between the design parameters of the wing and its mode was calculated by the Monte-Carlo method. The results show that the main vibration mode of the small diameter bomb in the range of 5~500Hz is caused by the wing. The parameters of significant influence on the mode are the thickness of the front and rear wings, as well as rear wing length, which should be verified in structural dynamics design.
机译：为了研究钻石后翼的动态特性及其相关影响因素，在Pro / E中建立了精细的三维模型和小直径炸弹主要部件的组装。 ANSYS软件用于分析等效密度模型的动态特性，并计算出完整炸弹的自由模式。然后进行整体结构敏感性分析，并通过蒙特卡洛方法计算机翼设计参数与其模态之间的斯皮尔曼等级相关系数。结果表明，小直径炸弹在5〜500Hz范围内的主要振动模式是由机翼引起的。对模式有重大影响的参数是前机翼和后机翼的厚度以及后机翼的长度，应在结构动力学设计中进行验证。

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