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Transmission line iteration-based solving method for 2D axial symmetric nonlinear magnetostatic field model

An axisymmetric and non-linear technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as low efficiency and long solution time

Active Publication Date: 2017-05-10
HARBIN INST OF TECH
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Problems solved by technology

[0005] The invention provides a finite element solution method of a 2D axisymmetric nonlinear static magnetic field model based on the transmission line iteration method, which is used to solve the problems of long solution time and low efficiency when the Newton iterative method is used to solve the finite element nonlinear problem

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  • Transmission line iteration-based solving method for 2D axial symmetric nonlinear magnetostatic field model
  • Transmission line iteration-based solving method for 2D axial symmetric nonlinear magnetostatic field model
  • Transmission line iteration-based solving method for 2D axial symmetric nonlinear magnetostatic field model

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[0075] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0076] The finite element solution method of the 2D axisymmetric nonlinear static magnetic field model based on the transmission line iteration method provided by the present invention comprises the following steps:

[0077] S1: Determine the variable to be solved and the solution domain. The variable to be solved is the magnetic potential of a 2D axisymmetric nonlinear static magnetic field. The 2D axisymmetric nonlinear static magnetic field is generated by t...

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Abstract

The invention provides a transmission line iteration-based solving method for a 2D axial symmetric nonlinear magnetostatic field model. The method comprises the steps of performing coarse network division and fine network division on a solving domain; adding a corresponding transmission line between a nonlinear element and a linear network; and performing solving on a circuit through an incidence stage and a reflection stage of multi-time iteration to obtain a magnetic potential cloud chart in a 2D axial symmetric nonlinear magnetostatic field. Compared with an existing Newton iteration method, the method has a very great advantage in solving time and has a wide application prospect.

Description

technical field [0001] The invention relates to the field of numerical calculations, in particular to a finite element solution method for a nonlinear static magnetic field model based on a transmission line iteration method, and the method mainly solves a 2D axisymmetric nonlinear static electromagnetic field. Background technique [0002] The finite element method is the most commonly used numerical calculation method in industrial design. It is adopted by many commercial simulation software and is widely used. However, with the increasing complexity of the solution model and the increasing number of sub-network units, the nonlinear finite element solution method based on the traditional Newton iterative method is facing the problem of serious time-consuming solution, which is directly related to the development of products. speed and efficiency. [0003] The core of solving finite element problems is to solve linear equations. For nonlinear problems, the traditional Newt...

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/23
Inventor 杨文英彭飞郭久威贾楠翟国富
Owner HARBIN INST OF TECH
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