③孔穴效应模型( hole effect model ) 当变异函数 γ(h 在 h 大于一定的距离后， 并非单调递增， 而在显示具有一定周期波动时就显示出一种“孔穴效应”( hole effect...
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Dampened hole effect model 孔洞效应模型
Three dimensional finite element computing model is established and the effect of stemming length to deep hole bench blasting is studied by three dimensional finite element method.
采用三维有限元数值分析法，通过建立三维有限元计算模型，分析堵塞长度对堵塞区有效应力场的影响。
In order to explore the effect of ambient pressure on jet flow field in deep well and ultra-deep well, a physical model for flow field of confined water jet at bottom hole was established.
考虑到深井、超深井中井底围压对射流流场有一定的影响，建立了井底受限射流流场的物理模型。
Recognition of aquifer with both unite pump experiment data and long-time observation hole data in numerical model parametric recognition process gets a good effect.
在数值模型参数的识别过程中采用了联合抽水试验资料和长观孔资料对含水层参数进行识别，得到了较好的效果。
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