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首页> 外文期刊>Advances in Mechanical Engineering >Determination Method of the Structure Size Intervals of Dynamic Distorted Model of Elastic Cantilever Thin Plate
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Determination Method of the Structure Size Intervals of Dynamic Distorted Model of Elastic Cantilever Thin Plate

机译：弹性悬臂薄板动力变形模型结构尺寸区间的确定方法

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摘要

This study investigates the applicability of using distorted models to predict the dynamic characteristics of cantilever thin plates. The study provides necessary scaling laws and applicable structure size intervals which guide the design of distorted models. Comparing with the size effects of different vibration orders, the method of using governing equations is employed to establish the scaling laws between the model and the prototype. Both complete and partial similarities are discussed. Then a titanium alloy plate, which is commonly used, is analyzed as a prototype. The establishment of applicable structure size intervals is discussed, with the same vibration mode in the same order. Applicable intervals of distorted model under different orders are also obtained by using a numerical method. The boundary functions of applicable structure size intervals are investigated and the applicability of the scaling laws and intervals are verified by using experimental data. The analytical results indicate that distorted models that satisfied the applicable structure size intervals can predict the characteristics of prototype with good accuracy.
机译：本研究调查了使用变形模型预测悬臂薄板动力学特性的适用性。这项研究提供了必要的缩放定律和适用的结构尺寸间隔，可指导变形模型的设计。比较不同振动阶次的尺寸效应，采用控制方程的方法建立模型与原型之间的比例定律。讨论了全部和部分相似性。然后，将常用的钛合金板作为原型进行分析。讨论了采用相同振动模式，相同顺序的适用结构尺寸间隔的建立。还通过数值方法获得了不同阶数下变形模型的适用区间。研究了适用结构尺寸区间的边界函数，并通过实验数据验证了比例定律和区间的适用性。分析结果表明，满足适用结构尺寸区间的变形模型可以很好地预测原型的特征。

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