The Method of Fundamental Solutions using the Vector Magnetic Dipoles for Calculation of the Magnetic Fields in the Diagnostic Problems Based on Full-Scale Modelling Experiment

International Scientific and Practical Conference on Urgent Problems of Modern Mechanical Engineering

机械制造;材料科学

Bakhvalov, Yu A.^1 ; Grechikhin, V.V.^1 ; Yufanova, A.L.^1

Platov South-Russia State Polytechnic University (NPI), 132 Prosvesheniyaul., Novocherkassk

346428, Russia^1

关键词: Calculation accuracy;    Diagnostic problem;    Full scale modelling;    Full-scale model tests;    Full-scale modeling;    Fundamental solution method;    Magnetic fields calculations;    Method of fundamental solutions;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/127/1/012002/pdf
DOI  :  10.1088/1757-899X/127/1/012002

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

The article describes the calculation of the magnetic fields in the problems diagnostic of technical systems based on the full-scale modeling experiment. Use of gridless fundamental solution method and its variants in combination with grid methods (finite differences and finite elements) are allowed to considerably reduce the dimensionality task of the field calculation and hence to reduce calculation time. When implementing the method are used fictitious magnetic charges. In addition, much attention is given to the calculation accuracy. Error occurs when wrong choice of the distance between the charges. The authors are proposing to use vector magnetic dipoles to improve the accuracy of magnetic fields calculation. Examples of this approacharegiven. The article shows the results of research. They are allowed to recommend the use of this approach in the method of fundamental solutions for the full-scale modeling tests of technical systems.