finite-difference formula中文什么意思

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In part one , the 2 - d finite - difference formula are set up
第一部分进行二维有限差分公式的推导。
Based on the previous work , the equations of motion and elastodynamics are changed . a high - order staggered velocity - stress finite - difference formula of the acoustic field in borehole are set up in cylindrical coordinate , and the corresponding code is accomplished
本文在弹性波动力学的基础上，将运动方程和本构方程作适当变形，采用交错网格技术建立了井孔波动方程在柱坐标系下的速度?应力高阶有限筹分公式，并编制了相关计算程序。
In this article , physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made , based on the lared - s code in planar geometry . it consisted of the processes such as the inverse bremsstrahlung absorption , electic heat conduction and fluid dynamics
本论文在lared - s程序平面版本基础上，推导了三维柱和球几何中激光驱动的物理方程和相应的差分方程，编制了二维和三维柱和球几何中激光驱动流体不稳定性的lared - s程序版本，主要物理过程包括：激光逆轫致吸收、电子热传导和流体运动。

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