finitedifference相关论文
For the five-point discrete formulae of directional derivatives in the finite point method,overcoming the challenge resu......
An optimized finite difference method based on a polar coordinate system for regional-scale irregula
The finite difference method(FDM)is an important numerical approach for simulating the propagation of seismic waves,and ......
A NUMERICAL INVESTIGATION INTO DYNAMIC STABILITY OF AXIALLY ACCELERATING VISCOELASTIC TIMOSHENKO BEA
The stability of axially accelerating viscoelastic beams is a significant problem that has been studied analyvtically an......
In this article,novel smoothness indicators are presented for calculating the nonlinear weights of the weighted essentia......
在时敏目标精确打击、导弹预警、光学遥感和测绘等应用过程中,光学载荷成像定位精度是最为重要的性能指标之一。光学载荷成像变换......
设计蝶形多模干涉(MMI)耦合器时,需要根据所要求的功率分割比率确定器件的结构参量。作为矩形多模干涉耦合器的特征参量的耦合长度......
提出求解三维傍轴近似波动方程的交替方向隐式并分格式,并用它模拟Ti:LiNbO3方向耦合器。......
本文在分析河水与地下水相互作用规律的基础上,提出了河流-含水层相互作用水力耦合模型的建模思路、数值解法及应用实例。河流模型采......
研究了一类含中非线非线性反应扩散方程组的数值解法,把上下解方法应用到相应有限差分系统上,得到两个迭代序列。可以证明,当反应项以......