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Reporting Recommended Patch Density from Vehicle Panel Vibration Convergence Studies using both DAF and TBL Fits of the Spatial Correlation Function.

机译：使用空间相关函数的DaF和TBL拟合，从车辆面板振动收敛研究报告推荐的补丁密度。

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摘要

Using the patch method to represent the continuous spatial correlation function of a phased pressure field over a structural surface is an approximation. The approximation approaches the continuous function as patches become smaller. Plotting comparisons of the approximation vs the continuous function may provide insight revealing: (1) For what patch size/density should the approximation be very good. (2) What the approximation looks like when it begins to break down. (3) What the approximation looks like when the patch size is grossly too large. Following these observations with a convergence study using one FEM may allow us to see the importance of patch density. We may develop insights that help us to predict sufficient patch density to provide adequate convergence for the intended purpose.

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Smith, A. M.; Davis, R. B.; LaVerde, B. T.; Jones, D. C.; Band, J. L.;
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年度 2012
页码 1-34
总页数 34
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Patch tests; Convergence; Approximation; Pressure distribution; Vibration; Acoustics; Matrices(Mathematics); Hermitian polynomial;

机译：补丁测试;收敛;逼近;压力分布;振动;声学;矩阵（数学）; Hermitian多项式;

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Reporting Recommended Patch Density from Vehicle Panel Vibration Convergence Studies using both DAF and TBL Fits of the Spatial Correlation Function.

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