Fig. 1 Beam calculation using random particle distribution
(calculation model for elastic body)
近藤雅裕：Masahiro Kondo
Affiliation
東京大学大学院工学系研究科システム量子工学専攻
博士課程（2007年〜2009年）
〒113-8656
東京都文京区本郷7-3-1
kondo ＠ mps. q. t. u-tokyo. ac. jp
Koshizuka Laboratory ( doctor course : from
2007 to 2009 )
Quantum Engineering and Systems Science,
School
of Engineering,
The University of Tokyo
7-3-1, Hongo, Bunkyo-ku, Tokyo
113-8565, Japan
kondo ＠ mps. q. t. u‐tokyo. ac. jp
Reserch Topics
（粒子法：Particle
Methods)
1. 保存性がよい粒子法弾性解析
Energy Conservative
Elastic Model [1,3,5,8]
Fig. 1 Beam calculation using random particle distribution
(calculation model for elastic body)
Fig. 2 Calculation of thin plate oscillation
(calculation model for thin plate)
Fig. 3 Large deformation and interacton of soft elastic pawns
(MPS elastic model, rendered by Pov-Ray)
2. MPS法流体解析の安定性の改善
Improvement of MPS
Method for Free Surface Flow [4,6]
Fig 4. Pressure field in the original and the present MPS (Moving Particle
Semi-implicit)
3.
粒子法による表面張力モデル
Surface
Tension Model for Particle Methods [2]
Fig 5. Surface tension and wetting expressed by a long-range attractive
and short-range repulsive pair potential
4. 散逸粒子動力学法を用いた気液相変化モデル
Phase Change
in Dissipative Particle Dynamics [7]
Fig. 6 Surface tension and gas-liquid phase change expressed by a long-range
attractive and short-range repulsive potential and the random force in
Dissipative Particle Dynamics
Publications
投稿論文：Journal Papers
[1] 近藤雅裕, 越塚誠一, 鈴木幸人, 3次元MPS法弾性体解析へのシンプレクティックスキームの適用, 日本機械学会A編, 72, 716号, 65-71 (2006-4)
[2] 近藤雅裕, 越塚誠一, 滝本正人, MPS法における粒子間ポテンシャル力を用いた表面張力モデル, JSCES Paper No. 20070021
[3] 近藤雅裕, 鈴木幸人, 越塚誠一, 最小自乗近似による粒子法弾性解析手法の振動抑制, JSCES Paper No. 20070031
[4] 近藤雅裕, 越塚誠一, MPS法における不自然な数値振動の抑制, JSCES Paper No. 20080015
[5] M. Kondo Y. Suzuki and S. Koshizuka, "Suppressing local particle oscillations in the Hamiltonian particle method for elasticity", International Journal for Numerical Methods in Engineering 81(12)m 1514-1528 (2010).
[6] M. Kondo and S. Koshizuka, "Improvement of stability in Moving Particle Semi-implicit method", International Journal for Numerical Methods in Fluid, 2010 (in press)
[7] 近藤雅裕, 越塚誠一, 酒井幹夫, メソスケール流体解析のための粒子法の開発, ながれ 29 (2010) 45-52.
[8] 近藤雅裕, 山田祥徳, 酒井幹夫, 越塚誠一, “粉体の充填状態を考慮した粒子法弾性解析手法の開発,” 粉体工学会誌, 47 (2010).
[9] 近藤雅裕, 越塚誠一, ハミルトニアン粒子法による薄板計算モデルの開発, JSCES Paper No. 201011061.
国際学会：International Conferences
M. Kondo and S. Koshizuka, "Conservative MPS method in elastic analysis", International Conference on Computational Methods, Hiroshima, April 4-6, 2007, 92-92.
M. Kondo, S. Koshizuka and M. Takimoto, "Surface tension model using inter-particle force in particle mthod", 5th Joint ASME/JSME fluid engineering conference, San Diego, July 30-August 2, 2007, FEDSM-37215.
M. Kondo, M. Tanaka, T. Harada and S. Koshizuka, "Elastic Object for Computer Graphic Field using Particle Method", Siggraph 07, San Diego, August 5-8, 2007, sap-179.
M. Kondo and S. Koshizuka, "Suppressing Pressure Oscillation in MPS Fluid Analysis", 3rd APCOM in conjunction with 11th EPMESC, Kyoto, December 3-6, 2007, 459-459.
M. Kondo, S. Koshizuka and M. Takimoto, "Incompressible Gas-Liquid Two Phase Flow Analysis using a Particle Method for Fuel Cells", WCCM8-ECCOMAS5, Venice, Italy, 30 June - 4July, 2008, a901.
国内学会：Domestic Conferences (Japan)
近藤雅裕, 越塚誠一, "3次元MPS法大変形弾性解析における回転角と角速度の新しい計算法の開発", 日本計算工学講演会論文集 10, 443-444 (2005).
近藤雅裕, 鈴木幸人, 越塚誠一, "3次元MPS法弾性体解析におけるハミルトニアン", 日本機械学会計算力学講演会論文集, 18, 379-380 (2005).
近藤雅裕, 越塚誠一, "MPS法の改良Gradientモデルを用いた大変形弾塑性解析手法の提案", 日本計算工学講演会論文集 11, 61-62 (2006).
近藤雅裕, 越塚誠一, 鈴木功至郎, "粒子間力による表面張力モデルの開発", 日本機械学会計算力学講演会論文集, 19, 337-338 (2006).
近藤雅裕, 越塚誠一, "MPS法における圧力振動の抑制", 日本機械学会計算力学講演会論文集, 20, 463-464 (2007).
近藤雅裕, 鈴木幸人, 越塚誠一, Hamiltonianに基づく粒子法弾性解析手法の精度と安定性,第２１回計算力学講演会, 沖縄, 2008-11, 171-172.
近藤雅裕, 越塚誠一, 酒井幹夫, 滝本正人, 米田雅一, DPD (Dissipative Particle Dynamics)法における粘性計算, 第14回計算工学講演会, 東京, 2009-5.
近藤雅裕, 越塚誠一, 酒井幹夫, メソスケール流体解析のための粒子法の開発, 第23回数値流体力学シンポジウム, 仙台, 2009-12.
近藤雅裕, 越塚誠一, 酒井幹夫, 山田祥徳, DPD法における表面張力および濡れ角の計算, 第15回計算工学講演会, 福岡, 2010-5.
シンポジウム等：Symposium & Workshop
M. Kondo, K. Suto, M. Sakai and S. Koshizuka, "Incompressible Free Surface Flow Analysis using Moving Particle Semi-implicit method", Joint International Workshop: Nuclear Technology and Society -- Needs for Next Generation, Berkeley, January 6-8, 2008.
M. Kondo, M. Tanaka and S. Koshizuka, "Numerical Calculation using Particle Methods and Application for Computer Graphics", Todai Week at Tsinghua University : Nuclear research and education and related discipline : physics, chemistry and material science, Beijing, May 18th-21, 2008.
M. Kondo, S. Koshizuka, M. Sakai and M. Takimoto, "Development of a Particle Method for Analyzing Transportation of Droplets in Fuel Cells", Int. Symp. "Key to the Future-Energy Security and Nuclear Education and Research", Tokyo, October, 2008, 111-112.
M. Kondo, S. Koshizuka and M. Takimoto, "Gas-Liquid Two Phase Flow Analysis using Moving Particle Semi-implicit Method for Fuel Cells", The University of Tokyo, GoNERI Program and Texas A&M University, Department of Nuclear Engineering, Texas, November 14-15, 2008.
M. Kondo and S. Koshizuka, "Numerical Calculation using Particle Methods and Application for Computer Graphics", University of Tokyo Visit to University of Wisconsin Madison on Nuclear Engineering Education, Wisconsin, November 17-18 2008.
書籍、雑誌記事 等：Books, Magazine, Articles etc.
"粒子法シミュレーション -物理ベースCG入門-
", 培風館, 2008.
弾性体シミュレーション, pages 93-107.
"GCOE -東京大学グローバルCOEの今がわかる",
日経BPムック, 2009-6,
世界を先導する原子力教育研究イニシアチブ,
グローバルCOEで活躍する若手研究者たち, page 107.
原子力eye
2009年10月号.
次代のホープ -若手研究者の素顔- 第2回, page 62-63.
Links