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基于等参变换原理并根据排水孔方向和孔径,将常规六面体单元自动剖分排水子结构,依据映射原理将有可凝聚的有序编号替代排水子结构节点的无序编号形成子结构的渗透矩阵,实现原排水子结构节点的凝聚,并借助ABAQUS软件用户单元接口UEL,实现统一建模方法计算。结果表明,该法编程简单、自动化程度高、效率高,处理大量排水孔时优势更为明显。
Based on the principle of isoparametric transformation and according to the drainage hole direction and aperture, the conventional hexahedron cell is automatically subdivided into drainage substructures. Based on the principle of mapping, the disordered numbers with collapsible ordered numbers instead of the drainage substructure nodes form the subsurface permeation matrix , To achieve the original drainage sub-structure node aggregation, and with ABAQUS software user interface unit UEL, unified modeling method to achieve the calculation. The results show that the method has the advantages of simple programming, high degree of automation and high efficiency, and the advantages are obvious when dealing with a large number of drainage holes.