Yoshifumi Okamoto

• Artículos de revistas (7)

• Artículos de revistas

  • Enhancement of convergence characteristics of Newton-Raphson method with line search for nonlinear eddy current analysis based on time-periodic FEM

    Shimpei Kakita, Yoshifumi Okamoto

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 38, Nº 5, 2019, págs. 1627-1640

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  • Performance of Krylov subspace method with SOR preconditioner supported by Eisenstat’s technique for linear system derived from time-periodic FEM

    Makoto Kumagai, Shimpei Kakita, Yoshifumi Okamoto

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 38, Nº 5, 2019, págs. 1641-1654

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  • Multistage topology optimization of induction heating apparatus in time domain electromagnetic field with magnetic nonlinearity

    Hiroshi Masuda, Yoshifumi Okamoto, Shinji Wakao

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 38, Nº 3, 2019, págs. 1009-1022

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  • Improvement of topology optimization method based on level set function in magnetic field problem

    Yoshifumi Okamoto, Hiroshi Masuda, Yutaro Kanda, Reona Hoshino, Shinji Wakao

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 37, Nº 2, 2018, págs. 630-644

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  • Topology optimization of magnetic shielding using level-set function combined with element-based topological derivatives

    Reona Hoshino, Yoshifumi Okamoto, Shinji Wakao

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 37, Nº 2, 2018, págs. 718-729

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  • Parallelized ICCG method using block-multicolor orderings in real symmetric linear system derived from voltage-driven FEM in time domain

    Tomonori Tsuburaya, Yoshifumi Okamoto, Shuji Sato

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 34, Nº 5 (Special Issue: IGTE 2014), 2015, págs. 1433-1446

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  • Fast nonlinear finite element analysis using Newton-Raphson method implemented by Krylov subspace method with relaxed convergence criterion

    Yoshifumi Okamoto, Akihisa Kamear, Koji Fujiwara, Tomonori Tsuburaya, Shuji Sato

    Compel: International journal for computation and mathematics in electrical and electronic engineering, ISSN 0332-1649, Vol. 34, Nº 5 (Special Issue: IGTE 2014), 2015, págs. 1537-1552

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