A method to approximate derivatives between neighboring points in a grid. The method can be applied to solve partial-differential equations, such as the wave equation. Introduction The finite-difference (FD) method is among the most commonly used methods for simulating wave propagation in a ...
method of finite difference 美 英 un.有限差分法 英汉 un. 1. 有限差分法 例句 释义: 全部,有限差分法 更多例句筛选 1. The dispersion performance of photonic crystal fiber (PCF) with a hybrid core is investigated by the method of finite difference (FD). 利用有限差分法研究了一种混合纤芯光...
Finite-difference method. A method to approximate derivatives between neighboring points in a grid. The method can be applied to solve partial-differential equations, such as the wave equation.Introduction The finite-difference (FD) method is among the most commonly used methods for simulating wave ...
This chapter highlights the basic idea of the finite-difference method (FDM) to cover the entire domain of solution of a boundary-value problem by a finite rectangular grid. In order to obtain the greatest possible simplification, it is usual to specialize to square-shaped grids. One has to ...
Finite-Difference Time-Domain (FDTD) is a popular method in computer science used for electromagnetic simulation. It solves Maxwell's equations in three-dimensional space by approximating both time and space derivatives with a finite differences scheme on a spatio-temporal grid. This method allows fo...
The proposed gradient coil design scheme can be integrated into a FD-based electromagnetic framework, which can then provide a unified computational framework for gradient and RF design and patient-field interactions. 展开 关键词: Finite difference method (FDM) MRI gradient coil stream function ...
Sign Up Reverse Time Migration (RTM) takes advantage of the finite-difference (FD) method to compute numerical approximations for the acoustic wave equation. It is a computational bottleneck for RTM applications, and therefore needs to be optimized to guarantee timely results and efficiency when all...
Compact fourth-order finite difference method for solving differential equations We present a fourth-order finite difference (FD) method for solving two-dimensional partial differential equations. The FD operator uses a compact nine-poi... PB Wilkinson,TM Fromhold,CR Tench,... - 《Physical Review...
The finite difference method is one of the popular choices for solving these models, and the efficiency and accuracy of the finite difference method are critical, especially when the problem is in large size. During the past several decades, many FD methods have been developed to solve acoustic...