The generation method of efficient dynamic adaptive mesh is proposed.

建立了高效的动念自适应网格生成方法。

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By using the dynamic mesh model in CFD software to calculate the pipe valve closing, use the characteristic method and the experiment to compare with the same model.

运用计算流体动力学(CFD)的动网格技术对管道中的阀门关闭进行了动态模拟，针对同一模型，并与特征线法及试验进行了比较。

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Using the method of simulated shell, non-linear dynamic differential equation of three-dimensional single-layer shallow lattice shell with equilateral triangle mesh is established.

用拟壳法建立了正三角形网格的三向扁锥面单层网壳的非线性动力学微分方程。

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