为避免二维波方程中的大量计算，使用二维波动方程的中心差分近似来模拟流体运动。
This paper used centered difference to simulate the fluid movement in order to avoid lots of calculations in two dimension wave equation.
为了研究孤立波在带有陡升台地的陆架上的传播，用MAC方法求解了二维纳维尔-斯托克斯方程。
The two-dimensional Navier-Stokes equations are solved by the MAC method to study a solitary wave propagation on a shelf with a terrance risen up suddenly.
在解二维电磁波衍射问题时，经常导出一对孪生积分方程。
A pair of dual integral equations can be obtained often by solving electromagnetic wave diffraction problems in two dimensional case.
给出了考虑近邻耦合和次近邻耦合下的二维纳米波导阵列的波耦合方程，并且对三波导模型与四波导模型进行了数值的分析。
The coupled-mode equations for two-dimension nanoscale waveguide arrays are presented by considering the couplings between adjacent guides and sub-adjacent guides.
将造波水槽内二维浮体牵引弹簧回复液压缸的受力系统简化为弹簧—质量—阻尼器系统，建立数学模型，并根据牛顿第二定律得到运动方程式。
The model of a kind of wave energy device moored on seabed is simplified into a spring-mass-damping system, and then its motion equation is built according to Newton's second law.
波动方程偏移保持了波场动力学特征，依此本文应用共方位角叠前深度偏移技术来实现二维资料三维化处理。
Wave equation migration can preserve the kinetic characteristics of wave field, so this paper applies common-azimuth prestack depth migration technology to realize 3D process for 2D seismic data.
通过数学模型和原型的相关理论推导了二维潮波运动方程中曼宁系数的预估校正法。
The predictor-corrector methods to determine Manning coefficient in the 2-D tidal wave movement equation is put up through the regression theory of numerical model and prototype.
利用二维非线性潮波方程组，讨论了渤黄海主要分潮(全日潮、半日潮及浅水分潮)数值模拟中的有关问题。
By applying two dimensional tidal equations, problems in tidal simulation of Bohai Sea and Huanghai Sea have been solved.
基于柱面波和球面波动方程，推导建立了适用于无限介质中二维和三维瞬态波动分析的显式时域辐射边界条件公式。
Locally explicit time-domain radiation boundary condition for 2-d and 3-d transient analyses of wave propagation in unbounded media were developed for the cylindrical and spherical wave equations.
利用球坐标系中的二维潮波方程组，以T/P卫星沿迹分析结果为开边界条件的边值法，计算了黄海中的一个四边形区域。
Under the spherical coordinate, the boundary value method using the along track estimates of(T/P) satellite as open boundary conditions is applied to establish tide models in the Yellow Sea.
利用球坐标系中的二维潮波方程组，以T/P卫星沿迹分析结果为开边界条件的边值法，计算了黄海中的一个四边形区域。
Under the spherical coordinate, the boundary value method using the along track estimates of(T/P) satellite as open boundary conditions is applied to establish tide models in the Yellow Sea.
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