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looknimei

木虫 (小有名气)

[求助] 为啥LES外特性模拟很不准确,内流场细节还能用吗?

试验得到模型泵的最高效率35%,而LES中动量方程默认的空间离散格式bounded central difference得到的平均效率为54%(时间步长0.0001s,共计算了2s),而通过first order  upwind 得到的为26%,求解释?

[ Last edited by looknimei on 2013-11-6 at 18:20 ]
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