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3-D optimal design of laminated yoke of billet heater for rolling wire rod using ON/OFF method

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Języki publikacji
EN
Abstrakty
EN
The optimization method using the ON/OFF sensitivity analysis has an advantage hat an epoch-making construction of magnetic circuit may be obtained. Therefore, it is attractive for designers of magnetic devices. We have already developed the ON/OFF method for the optimization of a static magnetic field problem, and the effectiveness is verified by applying it to the optimization of magnetic recording heads. In this paper, the ON/OFF sensitivity method is extended to the optimization of the eddy current problem using the adjoint variable. The newly developed ON/OFF method is applied to the determination of the optimal topology of the yoke of the billet heater for rolling wire rod. As a result, the optimal shape of yoke, which we could not imagine beforehand can be obtained. It is shown that the local heating of the yoke was reduced without decreasing the heating efficiency.
Rocznik
Strony
115--123
Opis fizyczny
Bibliogr. 10 poz., rys.
Twórcy
autor
autor
autor
autor
autor
autor
Bibliografia
  • 1. Neittaanmaki P., Rudunicki M., Savini A., Inverse problems and optimal design in electricity and magnetism. Oxford University Press (1996).
  • 2. Dyck D.N., Lowther D.A., Automated design of magnetic devices by optimizing material distribution. IEEE Trans. Magn. 32(3): 1188-1193 (1996).
  • 3. Byun J.K., Lee J.H., Park I.H., Node-based distribution of material properties for topology optimization of electromagnetic devices. IEEE Trans. Magn. 40(2): 1212-1215 (2004).
  • 4. Kim D.H., Lowther D.A., Sykulski J.K., Smooth boundary topology optimization applied to an electrostatic actuator. Proc. CEM, 54-55 (2008).
  • 5. Akiyama K., Miyagi D., Takahashi N., Design of CF-SPT head having large recording field and small stray field using 3-D ON/OFF method. IEEE Trans. Magn. 42(10): 2431-2433 (2006).
  • 6. Okamoto Y., Akiyama K., Takahashi N., 3-D topology optimization of single-pole-type head byusing sensitivity analysis. IEEE Trans. Magn. 42(4): 1087-1090 (2006).
  • 7. Park H.I., Kwak I.G., Lee H.B., Hahn S.Y., Lee K.I., Design sensitivity analysis for transient Eddy current problems using finite element discretization and adjoint variable method. IEEE Trans. Magn. 32(3): 1242-1245 (1996).
  • 8. Takahashi N., Nakazaki S., Miyagi D., Examination of optimal design method of electromagnetic shield using ON/OFF method. IEEE Trans. Magn. 45(3): 1546-1549 (2009).
  • 9. Ramirez J.A., Freeman E.M., Shape optimization of electromagnetic devices including eddycurrents. IEEE Trans. Magn. 31(3): 1948-1951 (1995).
  • 10. Nogawa S., Kuwata M., Nakau T., Miyagi D., Takahashi N., Study of modeling method of laminationof reactor core. IEEE Trans. Magn. 42(4): 1455-1458 (2006).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BPS4-0001-0039
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