Nonlinear adaptive multigrid FEM for simulating multi - step excavation process was studied.
开发了模拟多步开挖过程的非线性自适应多重网格有限元方法.
互联网
The effective method involves water drive hydrocarbon migration model, multigrid and LSQR iteration.
该法是以水动力为油气运移模型,采用LSQR迭代 、 多重网格的加速计算方法.
互联网