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A FETD Simulation Method Based on Parallel Algorithm

A parallel algorithm and simulation method technology, applied in the field of computational electromagnetism, can solve the problem of low efficiency in the iterative solution of the time-advance equation, and achieve the effect of ensuring calculation accuracy and improving calculation efficiency.

Active Publication Date: 2020-11-17
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method to solve the problem of low efficiency of the time-advancing equation loop iterative solution in the FETD calculation process

Method used

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  • A FETD Simulation Method Based on Parallel Algorithm
  • A FETD Simulation Method Based on Parallel Algorithm
  • A FETD Simulation Method Based on Parallel Algorithm

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Embodiment Construction

[0018] The technical solutions of the present invention will be described in detail below in conjunction with the drawings and specific embodiments.

[0019] Refer to the process figure 2 A kind of FETD emulation method based on parallel algorithm comprises the following steps:

[0020] A. Determine the structure of the electric vacuum device to be analyzed.

[0021] The electric vacuum device structure to be analyzed is selected, such as waveguide, rectangular window, box-shaped window, coaxial window, etc., and the rectangular waveguide is selected in this embodiment.

[0022] B. Modeling the device structure of step A, and establishing a corresponding geometric structure model;

[0023] The present invention is based on the rectangular waveguide structure, the geometric structure model after grid discretization is as follows figure 1 shown.

[0024] C. Determining the governing differential equation form of the electromagnetic boundary value problem for the structure o...

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Abstract

The invention discloses a parallel algorithm-based FETD simulation simulation method, which belongs to the field of computational electromagnetics. Based on the existing algorithm, this method replaces the conventional serial calculation by means of parallel calculation to realize the solution of the equation loop iteratively. In the process of realizing the parallel solution, the dependence between the three adjacent unknowns in the time-advancing equation is overcome by introducing the transformation of the matrix to the equation system, so as to provide the feasibility for realizing parallelism. On the basis of ensuring the calculation accuracy, this method can solve the problem of inefficiency in the cyclic iterative solution of the time-advancing equation in FETD.

Description

technical field [0001] The invention belongs to the field of computational electromagnetics, and in particular relates to an FETD simulation method based on a parallel algorithm. Background technique [0002] Since Maxwell's equations were proposed in 1864, people's research on electromagnetic waves has continued to deepen, and the application of electromagnetic theory has spread to other scientific fields such as life science, medicine, material science, and information science. For complex electromagnetic problems, the experimental method is often limited by the high cost of the test and the long research period, and even the experiment cannot be realized. In the theoretical analysis, due to the complexity of the theoretical model, there is a large gap in the analytical solution of classical electromagnetics. Limitations can't even be achieved at all. In order to solve this kind of electromagnetic problems, with the development of computer software and hardware calculatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/12G06F30/23G06F111/10
CPCG06F17/12G06F30/23G06F2111/10
Inventor 徐立陈林峰尹俊辉杨中海李斌
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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