The multi-scale finite element method is applied in the 3-D groundwater flow simulation problems in heterogeneous porous media.
为求解二维的奇异摄动反应扩散边界层问题，研究了新的多尺度有限元法。
The supplement surface was optimized by 3-D CAD software, and the finite element model for drawing simulation of the crossbeam was established.
应用三维CAD软件对工艺补充部分进行了优化设计，并建立了横梁拉延成形模拟的有限元模型。
The supplement surface was optimized by 3-D CAD software, and the finite element model for drawing simulation of the crossbeam was established.
应用三维CAD软件对工艺补充部分进行了优化设计，并建立了横梁拉延成形模拟的有限元模型。
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