Daisuke TAGAMI | Last modified date：2016.10.13 |

Associate Professor /
Division of Advanced Mathematics Technology

Institute of Mathematics for Industry

Institute of Mathematics for Industry

Graduate School

Other Organization

E-Mail

Homepage

##### http://www2.imi.kyushu-u.ac.jp/~tagami/

Phone

092-802-4447

Fax

092-802-4447

Academic Degree

Doctor of Mathematical Science

Field of Specialization

Numerical Analysis, Computational Mechanics

Outline Activities

My research fields are the applied mathematics and the computationl mechanics: the development, the error analysis, and the application of numerical schemes. Specifically, I research on the following: i) numerical analysis of particle methods; ii) developments of highly efficient numerical methods for large scale computational models of electromagnetic field problems; iii) numerical analysis of the viscoelastic flow problems; iv) numerical analysis of the moving boundary problems; v) numerical analysis of the Navier-Stokes equations and its application to the drag and the lift; vi) numerical analysis of the thermal convection problems and its application to the glass melting problems.

Research

**Research Interests**

- Numerical Analysis of Particle Based Methods

keyword : Particle Based Methods, Error Analysis

2011.04Numerical analysis of thermal convection problems and its application to the glass melting furnaces.. - Numerical Analysis of Electromagnetic Field Problems by Domain Decomposition Methods

keyword : Electromagnetic Field Problems, Domain Decomposition Methods, Finite Element Methods, Error Analysis

1999.04Numerical analysis of thermal convection problems and its application to the glass melting furnaces.. - Numerical Analysis of Viscoelastic Flow Problems

keyword : Viscoelastic Flow Problem, Finite Element Method, Error Analysis

2009.04Numerical analysis of thermal convection problems and its application to the glass melting furnaces.. - Numerical Analysis of Thermal Convection Problems and its Application to Glass Melting Furnaces

keyword : Thermal Convection Problem, Finite Element Method, Error Analysis, Glass Melting Furnace

2002.03Numerical analysis of thermal convection problems and its application to the glass melting furnaces.. - Numerical Analysis of Navier-Stokes Equations and its Application to Numerical Computations of Drag and Lift

keyword : Navier-Stokes Equation, Finite Element Method, Error Analysis, Drag and Lift

1997.07Numerical analysis of Navier-Stokes equations and its application to the drag and the lift.. - Numerical Analysis of Moving Boundary Problems

keyword : Moving Boundary Problem, Error Analysis

1994.04Numerical analysis of moving boundary problems. - Numerical Analysis of Interference/Scattering Problems

keyword : Maxwell Equation, Helmholtz Equation, Finite Element Method, DtN Map, Error Analysis, Holography

2007.04Numerical analysis of Maxwell and Helmholtz equations and its application to the holography..

**Academic Activities**

**Papers**

1. | IMOTO, Yusuke, TAGAMI, Daisuke, A truncation error estimate of the interpolant of a particle method based on the Voronoi decomposition, JSIAM Letters, 8, 2016.02. |

2. | TAGAMI, Daisuke and TABATA, Masahisa, Numerical computations of a melting glass convection in the furnace, Proceedings of The Seventh China-Japan Seminar on Numerical Mathematics, pp.149—160., 2006.12. |

3. | TABATA, Masahisa and TAGAMI, Daisuke, Error estimates of finite element methods for nonstationary thermal convection problems with temperature-dependent coefficients, Numerische Mathematik, 100, 2, Vol.100, No.2, pp.351—372., 2005.04. |

4. | TAGAMI, Daisuke and ITOH, Hajime, A finite element analysis of thermal convection problems with the Joule heat, Japan Journal of Industrial and Applied Mathematics, 20, 2, Vol.20, No.2, pp.193—210., 2003.06. |

5. | TABATA, Masahisa and TAGAMI, Daisuke, Error estimates for finite element approximations of drag and lift in nonstationary Navier-Stokes flows, Japan Journal of Industrial and Applied Mathematics, 17, 3, Vol.17, No.3, pp.371—389., 2000.10. |

6. | TABATA, Masahisa and TAGAMI, Daisuke, A finite element analysis of a linearized problem of the Navier-Stokes equations with surface tension, SIAM Journal on Numerical Analysis, 38, 1, Vol.38, No.1, pp.40—57., 2000.06. |

**Presentations**

1. | 田上 大助, Some investigations of a generalized particle method for convection-diffusion equations, VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), 2016.06.09. |

2. | 田上 大助, An iterative domain decomposition method for eddy current problems adapted to the gauge condition, The Fifth Chilean Workshop on Numerical Analysis of Partial Differential Equations (WONAPDE2016), 2016.01.15. |

3. | 田上 大助, Some investigations into finite element methods for viscoelastic flow problems governed by Oldroyd-B models, Mathematical Analysis of Continuum Mechanics and Industrial Applications, 2015.11.18. |

4. | 田上 大助, Error estimates of a generalized particle-based method for elliptic boundary value problems, European Conference on Numerical Mathematics and Advanced Applications (ENUMATH 2015), 2015.09.15. |

**Membership in Academic Society**

- The Japan Society of Industrial Mathematics
- The Japan Society for Computational Engineering and Science
- The Japan Society of Fluid Mechanics
- Mathematical Society of Japan
- Japan Society Mechanical Engineering

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