Calculation of Demagnetizing Field Distribution Based on Fast Fourier Transform of Convolution
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概要
- 論文の詳細を見る
It is confirmed that the calculation of the demagnetizing field in micromagnetic simulations can be accelerated significantly by using the discrete convolution theorem and the fast Fourier transform (FFT). When the magnetization distribution is periodic, application of the theorem to the demagnetizing field calculation is straightforward. Unlike the previously reported FFT method which is based on the continuous Fourier transform of the demagnetizing field, the method can also be used in the case of non-periodic magnetization structures. It is also confirmed that the result obtained using the new FFT method coincides with that of the conventional direct method, as expected. The principle of calculation and the results of one- and two-dimensional calculations which show the validity and effectiveness of the developed method are presented.
- 社団法人応用物理学会の論文
- 1996-12-15
著者
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Nakatani Yoshinobu
Department Of Computer Science And Information Mathematics University Of Electro-communications
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Hayashi Nobuo
Department Of Computer Science University Of Electro-communications
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Saito Koji
Department Of Gastroenterology Yamagata University School Of Medicine
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Saito Koji
Department Of Computer Science And Information Mathematics University Of Electro-communications
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Saito Koji
Department Of Anesthesiology And Intensive Care Medicine Tohoku University Hospital
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Hayashi Nobuo
Department Of Agricultural Chemistry Faculty Of Agriculture Saga University
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