論文
公開件数:20件
No. 種別 査読の有無 標題 単著・共著区分 著者 誌名 巻号頁 出版日 ISSN DOI URL
1 一般論文

On volumetric locking in a hybrid symmetric interior penalty method for nearly incompressible linear elasticity on polygonal meshes

Daisuke Koyama and Fumio Kikuchi
Japan Journal of Industrial and Applied Mathematics
34/ 2, 373-406
2017

10.1007/s13160-017-0251-2
URL
2 一般論文

Strong L^p convergence associated with Rellich-type
discrete compactness for discontinuous Galerkin FEM
共著
Fumio Kikuchi, Daisuke Koyama
JSIAM Letters
6, 25-28
2014



3 一般論文

An a priori error estimate of the Dirichlet-to-Neumann finite element method for multiple scattering problems

Daisuke Koyama
Japan Journal of Industrial and Applied Mathematics
31/ 1, 165--192-
2014/02



4 一般論文

Preface

Daisuke Koyama, Choi-Hong Lai and Nobito Yamamoto
Journal of Algorithms & Computational Technology,
Mathematical Modelling and Numerical Analysis of Science and Engineering Problems
7/ 3, i--ii-
2013/09



5 一般論文

停留した物体による線形水波散乱問題に対するDtN有限要素法の誤差解析

小山大介,瀬戸秀幸
日本応用数理学会論文誌
22/ 4, 341--382-
2012/12



6 一般論文

Superconvergence of a finite element method for the Webster equation

Xiong, Zhi Guang; Kako, Takashi; Koyama, Daisuke
Numer. Math. J. Chinese Univ.
32/ 2, 106--117-
2010



7 一般論文

Well-posedness of the Helmholtz problem with the multiple DtN boundary condition

Daisuke Koyama
Advances in Mathematical Sciences and Applications
20/ 2, 349--370-
2010



8 一般論文

Error estimates of the finite element method for the exterior Helmholtz problem with a modified DtN boundary condition

Daisuke Koyama
Journal of Computational and Applied Mathematics
232/ 1, 109-121
2009/10



9 一般論文

Error estimates of the
DtN finite element method for the exterior Helmholtz problem

Daisuke Koyama
Journal of Computational and Applied Mathematics
200/ 1, 21-31
2007/03



10 一般論文

仮想領域法において生ずる制約行列の計算法
-四面体と三角形との交差部分の三角形分割アルゴリズム-

小山大介
日本応用数理学会論文誌
15/ 4, 571-587
2005/12



11 一般論文

Well-posedness of the wave equation with an artificial boundary condition

D. Koyama
Advances in Mathematical Sciences and Applications
15/ 2, 545-558
2005/10



12 一般論文

外部Helmholtz問題で生じる線型方程式に対する前処理つきCOCG法の応用

柿原正伸, 小山大介, 藤野清次
日本計算工学会論文集
No.20050022
2005/07



13 一般論文

A mixed-type finite element approximation for
radiation problems using fictitious domain method

H. M. Nasir, T. Kako, D. Koyama
Journal of Computational and Applied Mathematics
152, 377-392
2003/03



14 一般論文

A controllability method with an artificial boundary condition for the exterior Helmholtz problem

Daisuke Koyama
Japan Journal of Industrial and Applied Mathematics
20/ 1, 117-145
2003/02



15 一般論文

3次元Helmholtz問題への仮想領域法の応用

小山大介
京都大学数理解析研究所研究集会「微分方程式の数値解法と線形計算」(発表2002.11.20)

2002/11



16 一般論文

Finite element analysis for the eigenvalue problem of the linear water wave in a water region with a reentrant corner

D. Koyama, K. Tanimoto and T. Ushijima
Japan Journal of Industrial and Applied Mathematics
15/ 3, 395-422
1998



17 国際会議プロシーディングス等

Volume locking phenomena arising in a hybrid
symmetric interior penalty method with continuous
numerical traces
共著
Daisuke Koyama, Fumio Kikuchi
Domain Decomposition Methods in Science and Engineering XXIII
361-369
2017



18 国際会議プロシーディングス等

A parallel Schwarz method for multiple scattering problems

Daisuke Koyama
Domain Decomposition Methods in Science and Engineering XIX (Lecture Notes in Computational Science and Engineering)
351-358
2010/11



19 国際会議プロシーディングス等

An artificial boundary condition for the numerical computation of scattering waves

D. Koyama
Domain Decomposition Methods in Science and Engineering, Proceedings of 12th International Conference on Domain Decomposition Methods, Chiba, Japan, October 25-29, 1999, Edited by T. Chan, T. Kako, H. Kawarada and O. Pironneau, DDM.org, Printed in Japan
401-409
2001



20 国際会議プロシーディングス等

A finite element computation for the flow around a wing in 2-dimensional perfect fluid

T. Ushijima, D. Yokomatsu and D. Koyama
Proceedings of Third China-Japan Joint Seminar on Numerical Mathematics, held in Dalian, Chaina, August 26-30, 1996, Edited by Z.-C. Shi and M. Mori, Science Press, Beijing/New York,1998
148-158
1998