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QUASI-CONSISTENCE HEXAHEDRAL ELEMENT METHOD FOR THREE-DIMENSIONAL ADVECTIVE PROBLEM
Author(s): 
Pages: 676-685
Year: Issue:  6
Journal: Acta Mechanica Sinica

Keyword:  三维对流问题 拟协调单元 数值稳定性 数值阻尼 数值计算方法;
Abstract: 寻找一种高精度的空间单元插值模式是数值求解三维对流问题的关键.在前人研究的基础上,探讨了一种任意空间六面体的拟协调单元,保证节点上的物理量函数及其一阶导数连续.算例表明,该方法具有良好的计算稳定性和低数值阻尼的优点,且计算工作量大大小于协调单元法,有利于推广应用于对流扩散方程的数值求解.
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