1) perturbational finite difference scheme
摄动有限差分格式
1.
Second-order perturbational finite difference schemes for hyperbolic conservation equation;
双曲守恒型方程的二阶摄动有限差分格式
2) perturbation finite difference
摄动有限差分
1.
In the process of using difference method to solve the PDE, perturbation finite difference (PFD) method was put forward by Z.
对微分方程的差分求解，高智在上世纪九十年代提出数值摄动思想和摄动有限差分(PFD)方法。
2.
This topic partially originates from Hunan Province education department block item of Professor Ming Jun Li In this paper, we use the perturbation finite difference (PFD) methods which were put forward by Z.
本文利用上世纪90年代高智提出摄动有限差分(PFD)方法,开展一类双曲型方程的数值研究。
3) finite difference scheme
有限差分格式
1.
Improved locally one-dimensional finite difference scheme for three dimensional hyperbolic equations with nonhomogenerous boundary condition
三维双曲方程非齐次边值问题的推广型LOD有限差分格式
2.
In this paper,a finite difference method for initial-boundary value problem of Eckhaus equation is considered,and an energy conservative finite difference scheme with condition is proposed.
本文主要研究了Eckhaus方程的初始边界值问题的一个有限差分法,提出了有条件的能量守恒的有限差分格式,证明了差分解的收敛性与稳定性。
3.
By means of the finite difference scheme of characteristic method, the transient flows are simulated for the attitude control propulsion subsystem during the pulse operation.
采用有限差分格式的特征线方法 ,对某姿控推进系统发动机真实推进剂管路在脉冲工作情况下的瞬变特性进行了数值研究 ,对影响发动机多次脉冲启动的重要参数进行了定量计算 ,对比分析了试验结果与计算结果的一致性。
4) Wilkins finite difference scheme
Wilkins有限差分格式
1.
In calculating onedimensional cylindrical flow problems,famous Wilkins finite difference scheme under Cartesian coordinate system can get exact symmetry with peripheral grids zoned by equal angle,and get severe nonsymmetry with peripheral grids zoned by unequal angle.
广泛应用的二维直角坐标系下的Wilkins有限差分格式在计算一维柱面问题时,通过等角度划分周向网格能够获得严格的对称性,非等角度划分周向网格会产生较严重的不对称性。
5) Perturbation Finite Difference Scheme
摄动有限差分方法
6) staggered-mesh finite difference schemes
交错网格有限差分格式
补充资料：差分格式
差分格式
difference scheme
。尽of)中考虑.利用高速计算机解常微分方程和偏微分方程的典型差分格式的有效数值方法已经发展起来. 下面给出差分格式的一个简单例子.假设给定微分方程 。I，‘:卜a ox、u‘x卜汀‘x).) a(x))0 .0
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条