Using the finite element method, with a special algorithm by treating the contact areas as zero-aperture elements, numerical simulations of fluid flow in joints were conducted.
考虑节理面上的接触领域的非透水性，用有限元法对节理中的渗流进行数值模拟。
Several works on the computation of spillway flow by finite elements have been reported, but in very few cases did the region computed include the free jet emerging from the bucket.
用有限元法计算溢洪道水流的工作，以往曾有所报导，但很少计算是包括挑射水流的。
On the other hand, the fracture elements are discretized into triangular mesh, and the flow finite element equations are derived based on the variational principle.
另一方面，对裂隙单元进行三角形单元的有限元网格划分，运用变分原理导出裂隙单元的渗流有限元求解方程。
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