The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。
The groundwater flow is emulated with the seepage model of heterogeneity anti-isotope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
本文基于研究区地下水系统概念模型，以非均质各向异性渗流模型仿真裂隙-岩溶水流，用有限元法求数值解。
This paper presents a method to solve the problem, and it can set up the finite element net model automatically.
为了解决这一问题，本文提出了一种针对复杂形体的有限元网格自动生成技术。
It is difficult to set up the finite element net model automatically because of the complexity of the tooth.
由于牙体及周围组织的结构复杂性，自动生成它们的有限元网格很困难。
The finite element model correction of large space truss is done by identifying its joint fixity factor based on neural net.
本文提出了依据神经网络方法完成大型空间网架结构节点固结系数的识别，实现空间网架结构有限元模型修正的方法。
The finite element model correction of large space truss is done by identifying its joint fixity factor based on neural net.
本文提出了依据神经网络方法完成大型空间网架结构节点固结系数的识别，实现空间网架结构有限元模型修正的方法。
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