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A graph cut strategy for transmission path problems in statistical energy analysis

机译:统计能量分析中传输路径问题的图割策略

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摘要

In this paper, it is shown how a strategy based on algorithms for computing cuts in undirected networks, can be applied to reduce energy transmission in realistic statistical energy analysis (SEA) models, with the sole modification of a limited number of internal and coupling loss factors. The frequency dependent case of SEA systems with multiple sources and targets is considered. A mathematical justification for the strategy is also provided, which relies on an analysts of the series expansion of the energy vector, in terms of the powers of the SEA graph adjacency matrix. A numerical example of vibroacoustic transmission in a simple test building has been included to show the performance of the approach.
机译:在本文中,它显示了如何基于对无向网络中的割口进行计算的算法,可以通过减少有限的内部损耗和耦合损耗而应用于现实的统计能量分析(SEA)模型中,以减少能量传输。因素。考虑具有多个源和目标的SEA系统的频率相关情况。还提供了该策略的数学依据,依据SEA图邻接矩阵的功效,该分析依据是能量矢量的级数展开的分析师。一个简单的测试建筑物中的振动声传递的数值示例已包括在内,以显示该方法的性能。

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