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Application of the Trefftz method in an original variational formulation to the analysis of the current transformer field

机译:TREFFTZ方法在原始变分制的应用对电流变压器场分析

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摘要

The previous papers by the author propose a new classification scheme of the boundary methods based on variational formulations. They contain initial numerical experiments conducted in order to compare nonsingular methods from the group generated by the original and inverse variational formulations. This paper is a continuation of that research and its aim is to apply one of the nonsingular Trefftz methods for modelling a magnetic field in a current transformer. It presents theoretical considerations and derivation of a mathematical model of the current transformer. A straightforward boundary approach analysed previously is now developed into a hybrid Trefftz method. Based on that, 2D numerical models are formulated and implemented in the Matlab environment. Some numerical tests are conducted in order to validate the performance of the method. Finally, some solutions concerning current transformer problems are presented. These results are compared to the ones obtained by Matlab's PDE Toolbox.
机译:本书前论文提出了一种基于变分制剂的边界方法的新分类方案。它们包含进行的初始数值实验,以便将来自原始和反分分色制剂产生的组的非沉积方法进行比较。本文是该研究的延续,其目的是应用一种用于在电流互感器中建模磁场的非晶体Trefftz方法之一。它提出了当前变压器的数学模型的理论考虑因素和推导。先前分析的直接边界方法现在被开发成混合Trefftz方法。基于此,在Matlab环境中配制和实现了2D数值模型。进行了一些数值测试以验证该方法的性能。最后,提出了一些关于电流变压器问题的解决方案。将这些结果与Matlab的PDE工具箱获得的结果进行比较。

著录项

  • 来源
    《Engineering analysis with boundary elements》 |2020年第9期|60-69|共10页
  • 作者

    Dorota Borkowska;

  • 作者单位

    The Faculty of Management Rzeszow University of Technology Rzeszow Poland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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