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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science >A similitude for the middle-frequency vibration response of satellite solar array based on the wave coupling hybrid finite element-statistical energy analysis method
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A similitude for the middle-frequency vibration response of satellite solar array based on the wave coupling hybrid finite element-statistical energy analysis method

机译：基于波耦合混合有限元统计能量分析方法的卫星太阳能阵列中频振动响应的模拟

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摘要

A similitude is proposed for the dynamic response analysis of a satellite solar array. It is defined by invoking the wave coupling hybrid finite element-statistical energy analysis method which is considered as an effective way to solve the wide frequency (especially middle-frequency) vibration response of complex structures. The scaling laws are then derived by looking for equalities in the structural responses. A numerical case involving an assembly of two plates is discussed to verify the proposed scaling laws. Moreover, the new similitude is applied to a simplified satellite solar array model. If the analysis frequency step is selected appropriately, it is shown that a complete similitude can be defined: it allows predicting the vibration response of satellite solar array and provides the possibility for the model test of complex structures.
机译：提出了一种用于卫星太阳能阵列的动态响应分析的模拟。 它是通过调用波耦合混合有限元统计能量分析方法来定义，该能量分析方法被认为是解决复杂结构的宽频率（尤其是中频）振动响应的有效方法。 然后通过寻找结构响应中的平等来导出缩放法律。 讨论了涉及两个板组件的数值案例以验证提出的缩放法律。 此外，新的模拟应用于简化的卫星太阳能阵列模型。 If the analysis frequency step is selected appropriately, it is shown that a complete similitude can be defined: it allows predicting the vibration response of satellite solar array and provides the possibility for the model test of complex structures.

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