A finite element (fe) method for the prediction of the equivalent heat transfer parameters of the composite material with random multi-scale grains was presented.
针对预测多种尺度颗粒随机分布复合材料等效热传导参数的难点，提出了一种多尺度有限元方法。
Finally, separation flow, secondary flow and multi-scale eddy structure are simulated, it indicates that SST model can give a good prediction of turbulence in the draft tube.
计算获得了分离流、二次流和多尺度旋涡结构，表明SST模型能很好地预测尾水管内的湍流流动。
The result above shows that it is significant to apply the multi-fractal characteristic in mid-strong earthquake prediction of one year to one and half year scale in this area.
上述结果说明利用地震时序的多标度分形特征对于该地区的半年至一年尺度的中强地震预报是有意义的。
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