均值对奇异特征值分解算法的影响机制
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曹艳华,李楠,陈梦成
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Influence Mechanism of the Mean Values on POD Method
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Yanhua Cao,Nan Li,Mengcheng Chen
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表 4 全信号及去除均值部分信号重构解的$L^2$误差
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| 模态数 | $u^w$ | $u_1^w$ | $u_2^w$ | $u^f$ | $u_1^f$ | $u_2^f$ | | 1 | 2.7 | 1.3 | 0.09 | 0.33 | 0.03 | 0.09 | | 2 | 3.2e-1 | 3.9e-2 | 1.6e-2 | 4.8e-2 | 3.1e-2 | 1.6e-2 | | 3 | 3.0e-2 | 2.5e-2 | 6.0e-3 | 2.7e-2 | 7.7e-3 | 6.0e-3 | | 4 | 1.4e-2 | 7.7e-3 | 1.4e-3 | 4.8e-3 | 3.0e-3 | 1.4e-3 |
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