This paper consists of two parts: one researches mainly on the Composite Grid method based on FEPG, the other studies the application of CGM on numerical simulation of welding.
本文主要由两个部分构成，即基于有限元程序自动生成系统(FEPG)的组合网格法和组合网格法在焊接数值模拟中的应用。
Based on the bedding grid and horizontal grid, mixed grid-modeling method was established by analyzing oil ring distribution and the existing reservoir simulation grid technique.
分析了薄油环分布特征及现有油藏模拟网格技术特点，引入顺层网格和水平网格，论述了混合网格建模方法。
Based on the given model, the system is simulated. The simulation results show the model build in this paper is true and the scheme can realize connect the renewable source systems to power grid.
在该模型的基础上对系统进行并网发电仿真，仿真结果显示系统模型建立正确，选用的方案能够很好的实现可再生能源的并网发电。
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