Abstract
Acceleration of micromagnetic calculations on symmetric multiprocessing (SMP) systems is investigated. A speed up of more than 20 times has been realized compared with the serial processing software. The SMP system with the optimized software has a speed up of 5.6 times compared to a previous version on an 8-CPU cluster system. Micromagnetic analysis of a write head with trailing and side shields is performed to derive the quasi-static recording field distributions, dynamic recording fields and magnetization rotation processes. It is noted that the dynamic recording field is affected by the trailing and side shields. A write head for shingled recording is also analyzed and is found to be promising due to its higher recording field.
| Original language | English |
|---|---|
| Article number | 5512943 |
| Pages (from-to) | 3337-3340 |
| Number of pages | 4 |
| Journal | IEEE Transactions on Magnetics |
| Volume | 46 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2010 Aug 1 |
Keywords
- Magnetic recording heads
- micromagnetic analysis
- parallel computing
- perpendicular magnetic recording
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Electronic, Optical and Magnetic Materials
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Kanai, Y., Koyama, K., Ueki, M., Tsukamoto, T., Yoshida, K., Greaves, S. J., & Muraoka, H. (2010). Micromagnetic analysis of shielded write heads using symmetric multiprocessing systems. IEEE Transactions on Magnetics, 46(8), 3337-3340. [5512943]. https://doi.org/10.1109/TMAG.2010.2045883