中心差分格式,就是界面上的物理量采用线性插值公式来计算。在对流项中心差分的数值解不出现振荡的参数范围内,在相同的网格节点数下,采用中心差分的计算结果要比采用迎风差分的结果误差更小。
中心差分法 central difference method ; method of central differences
中心差分算子 [数] central difference operator
中心差分求积公式 [数] quadrature formula with central differences
中心差分卡尔曼滤波 CDKF ; central difference Kalman filter
中心差分近似法 central-difference approximation
中心差分格式 Central difference scheme
平均中心差分 [统计] mean center difference
中心差分公式 [数] central difference formula
And the outcomes of the contributions can be summarized as follows:According to the pressure distribution equations and the central difference scheme, the finite difference mathematical models of aerostatic circular porous thrust bearing and porous aerostatic journal bearing are established.
取得了以下研究成果:根据两流动区域内相互耦合的压强分布方程,利用中心差分格式建立了圆盘形多孔质止推轴承和多孔质径向轴承的有限差分数学模型。
参考来源 - 多孔质气体静压轴承静态性能分析·2,447,543篇论文数据,部分数据来源于NoteExpress
应用有限差分法对试井的数学模型进行求解,采用中心差分。
Applying the finite difference method to solve mathematics model of the well tests, and the central difference method is used.
通过中心差分,建立有关的差分方程,并编写了相应的计算机处理程序。
Thedifferential equation of static force acting on BHA and the computer program to deal with subject mentioned above have been developed.
针对反向计算的如上特点,我们对对流项和扩散项均采取了中心差分的处理方式。
Therefore, the central difference to deal with both the convectional and the diffusion term was adopted.
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