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A Method for Numerical Processing of Microwave Heating Multiphysics Fields

A microwave heating and multi-physics technology, applied in the field of computational electromagnetics, can solve problems such as error calculation speed, achieve the effects of reducing time steps, solving error problems, and improving work efficiency

Active Publication Date: 2020-02-21
SICHUAN UNIV
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Problems solved by technology

[0004] The invention discloses a microwave heating multi-physical field numerical processing method, which solves the technical problems of error and calculation speed caused by computer calculation of massive calculation data in the prior art

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Embodiment Construction

[0014] 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 of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0015] A method for numerical processing of microwave heating multi-physics fields disclosed by the present invention comprises the following steps: A, solving the multi-physics coupling variational expression (functional expression of the boundary value problem) under given boundary conditions The numerical approximate solution of the electric field and magnetic field of the boundary value problem in the time-harmonic field is obtained; B. The time st...

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Abstract

A method for numerical processing of microwave heating multi-physics fields disclosed by the invention comprises the following steps: A. Solve the minimum value of the multi-physics field coupling variational expression under the given boundary conditions to obtain the boundary value of the time-harmonic field The numerical approximate solution of the electric field and magnetic field of the problem; B. Reduce the time step of the thermal field numerical calculation in the microwave heating process by time scale transformation; C. Shorten the time step of the microwave heating process by translational velocity transformation. The present invention greatly reduces the time step of thermal field numerical calculation in the microwave heating process by using the finite element method in solving, adopting time scale transformation and translation speed change, reduces the calculation amount of the computer, improves the calculation speed of numerical calculation, and shortens the calculation time , thereby improving work efficiency; fundamentally solving the error problem caused by computer computing massive computing data.

Description

technical field [0001] The invention relates to the field of computational electromagnetics, in particular to a method for numerical processing of microwave heating multi-physics fields. Background technique [0002] With the wide application of multi-physics numerical calculation methods, computer calculation has developed rapidly in practical applications. With the continuous expansion of the application range, especially in large-scale industrial applications, the microwave heating process often generates a large amount of calculation data in the numerical calculation process due to the large device size and material handling capacity, and the excessive calculation load It is unbearable for ordinary computers. At the same time, the huge calculation data will cause the computer to generate a larger error range due to error iterative calculations, resulting in serious distortion or even errors in the results. These factors have brought difficulties to the calculation work. ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23
CPCG06F30/23
Inventor 黄卡玛陈星刘长军杨阳朱铧丞
Owner SICHUAN UNIV
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