Integration of CFD and Wind Tunnel by Data Assimilation
Integration of CFD and Wind Tunnel by Data Assimilation
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DOI：
10.1299/jfst.6.717
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发表时间：
2011
影响因子：
0.8
通讯作者：
H. Kato;S. Obayashi
中科院分区：
文献类型：
--
作者：
H. Kato;S. Obayashi
本研究将资料同化应用于风洞实验。利用方柱风洞实验和集合卡尔曼滤波器对计算和实验得到的方柱表面压力进行了积分。结果表明，本文的数据同化方法可以模拟出方柱表面压力和流场，而单纯的数值模拟不能模拟出方柱表面压力和流场。将集合卡尔曼滤波的结果与另一种计算与实验相结合的方法--“测量-模拟一体化”的结果进行了比较。
In this research, “Data Assimilation” was applied to a wind tunnel experiment. A square cylinder wind tunnel experiment and the ensemble Kalman filter were used to integrate surface pressures of a square cylinder obtained from computation and experiment. The results indicated that surface pressures of the square cylinder and flow field can be replicated by the present data assimilation method, while they could not be replicated by numerical simulation alone. The results of the ensemble Kalman filter were compared with those of “Measurement-Integrated Simulation,” which is another integrated method between computation and experiment for fluids.