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发表于 2013-5-7 21:47:57
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来自 美国
AsAlways 发表于 2013-5-1 19:34
您说的非常好。
thanks.
my personal experience.
those company has a test lab, they have resources to put test result and cae result together.
after numerous loops of correlation, cae simulation will be more and more accurate.
i remember my last employer, when we perform natural frequency analysis between 20 to 200Hz, usually our system has about 10 modes in this range, our simulation result differs no more than 3Hz from lab test. |
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