Oikawa Issei
- Affiliation
- Faculty of Pure and Applied Sciences
- Official title
- Associate Professor
- Research fields
Foundations of mathematics/Applied mathematics - Research keywords
Domain Decomposition Method Numerical Analysis Numerical Method Finite Element Method HDG Method Discontinuous Galerkin Method Error Analysis Partial Differential Equation Penalty Method Superconvergence - Research projects
HDG法における反復型領域分割法の開発 2022 -- 2026 及川 一誠 Japan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(C) 4,030,000Yen - Degree
2012-03 博士（数理科学） 東京大学 - Academic societies
2008 -- (current) The Japan Society for Industrial and Applied Mathematics 2008 -- (current) The Mathematical Society of Japan - Articles
- An analysis on the penalty and Nitsche's methods for the Stokes-Darcy system with a curved interface
Zhou Guanyu; Kashiwabara Takahito; Oikawa Issei; Chung...
APPLIED NUMERICAL MATHEMATICS/165/pp.83-118, 2021-07 - The Crouzeix-Raviart element for the Stokes equations with the slip boundary condition on a curved boundary
Zhou Guanyu; Oikawa Issei; Kashiwabara Takahito
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS/383, 2021-02 - Tutorial : From FEM to Discontinuous Galerkin Methods(4)Applications of the HDG Method
及川 一誠; 菊地 文雄
応用数理/27(4)/pp.177-182, 2017-12 - Tutorial : From FEM to Discontinuous Galerkin Methods(3)Solving Poisson's Equation by the HDG Method
及川 一誠; 菊地 文雄
応用数理/27(3)/pp.124-129, 2017-09 - Tutorial : From FEM to Discontinuous Galerkin Methods(2)Formulations for 2D Poisson's Equation and Their Mathematical Properties
菊地 文雄; 及川 一誠
応用数理/27(2)/pp.80-85, 2017-06 - Tutorial : From FEM to Discontinuous Galerkin Methods(1)Introduction and Historical Comments
菊地 文雄; 及川 一誠
応用数理/27(1)/pp.36-41, 2017-03 - 不連続ガレルキン有限要素法の理論と応用 (科学技術計算における理論と応用の新展開)
菊地文雄; 及川 一誠
数理解析研究所講究録/1791/pp.164-171, 2012-04 - ハイブリッド型不連続ガレルキン有限要素法 ---多角形要素の開発---
菊地 文雄; 石井 惠三; 及川 一誠
理論応用力学講演会 講演論文集, 2008-09 - Some DG schemes for the Stokes-Darcy problem using P1/P1 element
Guanyu Zhou; Takahito Kashiwabara; Issei Oikawa; Eric Ch...
JAPAN JOURNAL OF INDUSTRIAL AND APPLIED MATHEMATICS, 2019-09 - PENALTY METHOD WITH CROUZEIX-RAVIART APPROXIMATION FOR THE STOKES EQUATIONS UNDER SLIP BOUNDARY CONDITION
Kashiwabara Takahito; Oikawa Issei; Zhou Guanyu
ESAIM:M2AN/53(5)/pp.869-891, 2019-06 - An HDG Method with Orthogonal Projections in Facet Integrals
Oikawa Issei
Journal of Scientific Computing/76/p.1044, 2018-01 - A penalty method for the time-dependent Stokes problem with the slip boundary condition and its finite element approximation
Zhou Guanyu; Kashiwabara Takahito; Oikawa Issei
APPLICATIONS OF MATHEMATICS/62(4)/pp.377-403, 2017-08 - Penalty method with P1/P1 finite element approximation for the Stokes equations under the slip boundary condition
Kashiwabara Takahito; Oikawa Issei; Zhou Guanyu
NUMERISCHE MATHEMATIK/134(4)/pp.705-740, 2016-12 - Penalty Method for the Stationary Navier–Stokes Problems Under the Slip Boundary Condition
Zhou Guanyu; Oikawa Issei; Kashiwabara Takahito
Journal of Scientific Computing/68(1)/pp.339-374, 2016-07 - Analysis of a Reduced-Order HDG Method for the Stokes Equations
Oikawa Issei
JOURNAL OF SCIENTIFIC COMPUTING/67(2)/pp.475-492, 2016-05 - A Hybridized Discontinuous Galerkin Method with Reduced Stabilization
Oikawa Issei
Journal of Scientific Computing/65(1)/pp.327-340, 2015 - Hybridized discontinuous Galerkin method for convection-diffusion problems
及川 一誠
Japan Journal of Industorial and Applied Mathematics/31(2)/pp.335-354, 2014 - Remarks on numerical integration of
norm
Kashiwabara Takahito; Oikawa Issei
JSIAM Letters/5/pp.5-8, 2013 - Hybridized discontinuous Galerkin method with lifting operator
Oikawa Issei
JSIAM Letters/2/pp.99-102, 2010 - Discontinuous Galerkin FEM of hybrid type
Oikawa Issei; Kikuchi Fumio
JSIAM Letters/2/pp.49-52, 2010 - Discontinuous Galerkin FEM of Hybrid Displacement Type—Development of Polygonal Elements—
KIKUCHI Fumio; ISHII Keizo; OIKAWA Issei
Theoretical and Applied Mechanics Japan/57/pp.395-404, 2009
- An analysis on the penalty and Nitsche's methods for the Stokes-Darcy system with a curved interface
- Conference, etc.
- HDG法の超収束について
及川 一誠
AIMaP集会【離散微分幾何と有限要素法の融合．建築とCGヘの応用】/2020-12-23--2020-12-23
- HDG法の超収束について
- Teaching
2022-04 -- 2022-08 Seminar on Information Mathematics University of Tsukuba. 2022-10 -- 2023-02 Seminar on Information Mathematics University of Tsukuba. 2022-04 -- 2022-08 Research in Information Mathematics VA University of Tsukuba. 2022-04 -- 2022-08 Research in Mathematics of Information IIB University of Tsukuba. 2022-10 -- 2023-02 Research in Information Mathematics IIA University of Tsukuba. 2022-04 -- 2022-08 Research in Information Mathematics IVA University of Tsukuba. 2022-10 -- 2023-02 Research in Information Mathematics IIB University of Tsukuba. 2022-10 -- 2023-02 Research in Mathematics of Information IA University of Tsukuba. 2022-10 -- 2023-02 Research in Information Mathematics VB University of Tsukuba. 2022-10 -- 2023-02 Research in Information Mathematics IA University of Tsukuba. more... - Other educational activities
2021-05 -- 2021-06 集中講義「数理科学特論１６」 九州大学 - Professional activities
2020-04 -- (current) The Japan Society for Industrial and Applied Mathematics (JSIAM) 「応用数理」編集委員 - University Management
2021-04 -- 2022-03 理工学群広報委員会 2020-04 -- 2022-03 「筑波数学ジャーナル」 編集委員会 編集委員
(Last updated: 2022-06-14)