Research presentations
Number of published data : 65
No. Classification Title Conference Volume/issue/page Or an announcement number Refereed paper Author Date URL
1 Oral presentation for an academic conference
Experimental study of particle shape dependence of avalanches inside a rotating
drum
EPJ Web of Conferences, Proceedings of Powders and Grains
249
Yes
Jian Chen, Dominik Krengel and Hans-Georg Matuttid
2021/07

2 Oral presentation for an academic conference
Grid-algorithm improvements for dense suspensions of discrete element particles
in finite element fluid simulations
Powders and Grains 2021, EPJ Web of Conferences
249
Yes
Jan Mueller, Akira Kyotani and Hans-Georg Matuttis
2021/07

3 Oral presentation for an academic conference
Implementation of numerically exact Coulomb friction for discrete element simulations in three dimensions
Proceedings of Powders and Grains, EPJ Web of Conferences
249
Yes
Shouta Sakamaki, Dominik Krengel, Jan Mueller, Jian Chen and Hans-Georg Matuttis
2021/07/21

4 Oral presentation for an academic conference
漏斗内部の粉体の流れと詰まりのシミュレーション
日本流体力学会
 
No
坂牧聖太,Dominik Krengel,篠原啓太,Matuttis Hans-Georg
2019/09/19

5 Oral presentation for an academic conference
粘性摩擦の働く平面上を転がり運動する楕円体のシミュレーションと実験
日本流体力学会 年会2019
 
No
森本輝織、野上歩、Dominik Krengel、Hans-Georg Matuttis
2019/09/15

6 Oral presentation for an academic conference
加振による液状化現象下における微小粒子間の流れのシミュレーション
日本流体力学会 年会2019
 
No
後藤大輝, 京谷 在, Mueller Jan, Matuttis Hans-Georg
2019/09/15

7 Oral presentation for an academic conference
Expanding P2P1 FEM Elements with Third Order Bubbles for Simulating Many Particles in Fluids
日本流体力学会 年会2019
 
No
Jan Mueller, Hans-Georg Matuttis
2019/09/14

8 Oral presentation for an academic conference
FEM-Simulation with graduated meshes for particle agglomerations in fluids
日本流体力学会 年会2019
 
No
Hans-Georg Matuttis, Ichiro Izumi, Jan Mueller
2019/09/14

9 Oral presentation for an academic conference
Graded FEM-Meshes for Improved Accuracy and Performance
第32回数値流体力学シンポジウム
E10-2
No
Mueller Jan, 泉 伊智郎, Matuttis Hans-Georg
2018/12/13

10 Oral presentation for an academic conference
Damping for the rotation of nonspherical DEM-solids
第32回数値流体力学シンポジウム
 / F12-4
No
Krengel Dominik, Matuttis Hans- Georg
2018/12/13

11 Oral presentation for an academic conference
Alternative Hubbard-Stratonovich Transformations and the Minus Sign Problem
第73 回年次大会(2018 年)
第73 Web版 ISSN 2189-0803/ 第一
No
Hans-Georg Matuttis and Katsuaki Kobayashi
2018/03/25

12 Oral presentation for an academic conference
Numerically exact formulation for Many-Body Coulomb friction
日本物理学会 第 73 回年次大会(2018 年)
Web版 ISSN 2189-0803
No

2018/03/23

13 Oral presentation for an academic conference
Stress-Strain diagrams for non-convex particles
Powders & Grains 2017 EPJ Web of Conferences
140
Yes
H.-G. Matuttis, M. Nawa, D. Krengel
2017/07/04

14 Oral presentation for an academic conference
Size seggregation in fluid-particle mixtures
日本物理学会年会
19a-BU3
No
Fumikazu Morikawa, Hans-Georg Matuttis, Ng Shi Han
2016/03/19

15 Oral presentation for an academic conference
A Discrete Element Method of Non-Convex polygons
日本流体力学会 年会2015
W933/ 10:50
No
MATUTTIS Hans-Georg
2015/09/29

16 Oral presentation for an academic conference
Rheology of Fluid-Particle mixtures
日本流体力学会 年会2015
W9320/ 10:20
No
TAN Ling Cheik, NG Shi Han,MATUTTIS Hans-Georg
2015/09/28

17 Oral presentation for an academic conference
流体中におけるサイズの異なる粒子の分離の二次元シミュレーション
日本流体力学会 年会2015
 /  
No
森川 史和, Shi Han Ng, MATUTTIS Hans-Georg
2015/09/28

18 Oral presentation for an academic conference
"Numerically Exact Friction Implementation for Two-dimensional Particle Systems"
International Meeting of Friction – from atomic to geophysical scales –
Earthquake Research Institute, The University of Tokyo

No
Dominik Krengel, Hans-Georg Matuttis
2015/09/14

19 Oral presentation for an academic conference
Coulomb-friction, Differential algebraic systems and the Painleve paradox
International Meeting of Friction – from atomic to geophysical scales –
Earthquake Research Institute, The University of Tokyo

No
Hans-Georg Matuttis, Dominik Krengel, Chen Jian
2015/09/14

20 Oral presentation for an academic conference
Convergence for the groundstate auxiliary field method
Dynamics of Strongly Correlated Systems
ISSP University of Tokyo
PS-12
No
Katsuaki Kobayashi, Hans-Georg Matuttis, Xiaoxing Wang
2015/03/30

21 Oral presentation for an academic conference
Rheology of Fluid-Particle Mixtures
第70日本物理学会年次大会
22pAK1
No
Ling Cheik Tan,Shi Han Ng,Hans-Georg Matuttis
2015/03/22

22 Oral presentation for an academic conference
Bulk material strength of polyhedral assemblies
第70日本物理学会年次大会
21pAK13 
No
Dominik Krengel,Wei Shen Cheng,Hans-Georg Matuttis
2015/03/21

23 Oral presentation for an academic conference
Simulation results for spinning tops with a particular distribution of mass and shape
第70回物理学会次大会
21pAK12
No
Hans-Georg Matuttis,Hikaru Watanabe
2015/03/21
URL
24 Oral presentation for an academic conference
Numerically exact friction implementation for two-dimensional particle systems
日本物理学会年会
19pBS-13
No
Dominik Krengel, Hans-Georg Matuttis,
2015/03/19

25 Oral presentation for an academic conference
Thoughts on sampling distributions with “negative probabilities”
and the fermionic sign problem
International Workshop on New Frontier of Numerical Methods for Many-Body Correlations ― Methodologies and Algorithms for Fermion Many-Body Problems
26
No
Hans-Georg Matuttis, Xiaoxing Wang, Katsuaki Kobayashi
2015/02/20

26 Oral presentation for an academic conference
離散要素法を用いた周囲の粒子による基礎の減衰
第28回数値流体力学シンポジウム

No
森川 史和 ,Ng Shi Han,Bayat Mehdi,Matuttis Hans-Georg, Andersen Lars Vabbersgaard
2014/12/09

27 Oral presentation for an academic conference
地滑りのための微視的なメカニカ
ル解析
第28回数値流体力学シンポジウム

No
Tan Ling Cheik, Ng Shi Han, Matuttis Hans-Georg
2014/12/09

28 Oral presentation for an academic conference
形状効果による粒状集合の充填密度
第28回数値流体力学シンポジウム

No
Cheng Wei Chen, Krengel Dominik, Matuttis Hans-Georg
2014/12/09

29 Oral presentation for an academic conference
Shape effects on the density of granular assemblies
The 63rd National Congress of Theoretical and Applied Mechanics, Japan

No
Dominik Krengel, Wei Shen Cheng
2014/09/26
URL
30 Oral presentation for an academic conference
離散要素法を用いた周囲の粒子による基礎の減衰
The 63rd National Congress of Theoretical and Applied Mechanics, Japan

No
森川史和,Ng Shihan, Mehdi Bayat, Hans-Georg Matuttis
2014/09/23
URL
31 Oral presentation for an academic conference
Synergies from using higher order symplectic decompositions both for ordinary differential equations and quantum Monte Carlo methods
13TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS, Rhodos

No
XiaoxingWang, Hans-Georg Matuttis
2014/09/23

32 Oral presentation for an academic conference
The FermionicMinus-SignProblem: Newperceptions from
higher-order Suzuki-Trotter decompositionmethods
ISSP International Workshop, “New Horizon of Strongly Correlated Physics” (NHSCP2014)

No
Hans-Georg Matuttis, Xiaoxing Wang
2014/06/28

33 Oral presentation for an academic conference
Adverse Effects on the Accuracy for
“Sampling with Sign” in the Hubbard System
25th IUPAP International Conference on Statistical Physics
(Seoul National University, Seoul, Korea)
-/ -
No
XiaoxingWang, Hans-Georg Matuttis
2013/07

34 Oral presentation for an academic conference
Formation of Granular Heaps in Fluids
25th IUPAP International Conference on Statistical Physics
(Seoul National University, Seoul, Korea)
-/ -
No
Shi Han Ng, Hans-Georg Matuttis
2013/07

35 Oral presentation for an academic conference
Granular Acoustics of Polyhedral Particles
Powders and Grains 2013
(Sydney, Australia)
-/ -
No
Wei Shen Cheng, Jian Chen, Hans-Georg Matuttis
2013/07

36 Oral presentation for an academic conference
Polygonal Particles in Fluids
Powders and Grains 2013
(Sydney, Australia)
-/ -
No
Shi Han Ng and Hans-Georg Matuttis
2013/07

37 Oral presentation for an academic conference
Effect of the surrounding fluid on the compaction of granular materials by tapping: Slow dynamics made slowe
The 4th International Symposium on Slow Dynamics in Complex Systems
(Tohoku University)
-/ -
No
Shi Han Ng, Hans-Georg Matuttis,
2012/12

38 Oral presentation for an academic conference
多面体を用いて三次元離散要素法の並列化
第61回 理論応用力学講演会
61/ GS06-08
No
陳健,Hans-Georg Matuttis
2012/03

39 Oral presentation for an academic conference
Incompressible Fluid Simulation with Granular Particles with Adaptive Grid and Adaptive Stepsize
第61回 理論応用力学講演会
61/ OS09-11
No
Shi Han Ng, Hans-Georg Matuttis
2012/03

40 Oral presentation for an academic conference
Combination of Discrete and Finite Elements for the microscopic simulation of particle-loaded flows
International Symposium on Complex Systems 2011
(The University of Tokyo)
-/ -
No
Shi Han Ng, Hans-Georg Matuttis
2011/12

41 Oral presentation for an academic conference
Sedimentation of two-dimensional polygonal DEM-particles in an incompressible FEM-fluid
Nonequilibrium Dynamics in Astrophysics and Material Science
(Kyoto University, Yukawa Institue of Theoretical Physics)
-/ -
No
Shi Han Ng, Hans-Georg Matuttis
2011/10

42 Oral presentation for an academic conference
準二次元の粒状堆積丘に関する研究
第60回 理論応用力学講演会
GS05-08
No
Hans-Georg Matuttis
2011/03

43 Oral presentation for an academic conference
有限要素法による粘弾性円盤と外壁の接触問題の研究
第60回 理論応用力学講演会
GS05-01
No
Jack Widjajakusuma , Hans-Georg Matuttis
2011/03

44 Oral presentation for an academic conference
Shi Han Ng, Hans-Georg Matuttis
第60回 理論応用力学講演会
GS05-02
No
Two-dimensional Microscopic Simulation of Granular Particles in Fluid
2011/03

45 Oral presentation for an academic conference
Simulation of Flow Problems with Free Boundaries in 2D using the Finite Element Method
第24回数値流体力学シンポジウム
-/ -
No
Shi Han Ng, Hans-Georg Matuttis
2010/12

46 Oral presentation for an academic conference
Discrete Element Simulation for Polyhedral Granular
Particles
第59回 理論応用力学講演会
59
No
J. Chen, A. Schinner, H.-G. Matuttis
2010/06

47 Oral presentation for an academic conference
Numerical Irreversibility in Energy-Conserving Many Particle
Systems
第59回 理論応用力学講演会
59
No
X. Wang, H.-G. Matuttis
2010/06

48 Oral presentation for an academic conference
Adaptive Mesh Generation for two-dimensional Simulation of Polygonal Particles in Fluid
第59回 理論応用力学講演会
59
No
Shi Han Ng, Hans-Georg Matuttis
2010/06

49 Oral presentation for an academic conference
Discrete element simulation for polyhedral granular particles
The 57th Spring Meeting of The Japan Society of Applied Physics and Related Societies, Tokai University
-/ -
No
Chen Jian, Matuttis Hans-Georg
2010/03

50 Oral presentation for an academic conference
Numerical irreversibility in many particle systems
The 57th Spring Meeting of The Japan Society of Applied Physics and Related Societies, Tokai University
18-p-C-13
No
X. Wang, H.-G. Matuttis
2010/03

51 Oral presentation for an academic conference
Simulation of Polygonal Grains in a Finite-Element-Fluid
Powders and Grains 2009, 6th International
Conference on Micromechanics of Granular Media
(AIP, Golden, Colorado, 2009)
-/ -
Yes
Yusuke Sakai, Jian Chen and Hans-Georg Matuttis
2009/07

52 Oral presentation for an academic conference
History Dependence of the Density Distribution on
Granular Heaps
Powders and Grains 2009, 6th International
Conference on Micromechanics of Granular Media
(AIP, Golden, Colorado, 2009).
-/ -
Yes
Jian Chen, Lisa Watanabe, Hans-Georg Matuttis, Hide Sakaguchi
2009/07

53 Keynote speech for an international conference
The Good, the Bad and the Ugly: droplet recognition by a “shootout”-heuristics
WIVACE 2021 XV International Workshop on Artificial Life and Evolutionary Computation

No
Hans-Georg Matuttis
2021/09/17

54 Keynote speech for an international conference
Unrecognized type of instability in combined
Discrete-Element- Finite-Element methods
THESIS-2016
Two-pHasemodEllingfor Sediment dynamIcS、The 3rd symposium on two-phase modelling for sediment dynamics in geophysical flows

No
Fumikazu Morikawa, Hans-Georg Matuttis,
Ng Shi Han
2016/09/14
URL
55 Keynote speech for an international conference
Computation of effective viscosities in Couette-flow with combined particle-fluid
simulation
THESIS-2016
Two-pHasemodEllingfor Sediment dynamIcS、The 3rd symposium on two-phase modelling for sediment dynamics in geophysical flows

No
T.L. Cheik, D. Krengel and H.-G. Matuttis
2016/09/13

56 Keynote speech for an international conference
Synergies from using higher order symplectic decompositions both for ordinary differential equations and quantum Monte Carlo methods
13TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATIC

No

2014/09/23
URL
57 Keynote speech for an international conference
Synergies from using higher order symplectic decompositions both for ordinary differential equations and quantum Monte Carlo methods


No
13TH INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS
2014/09/23
URL
58 Keynote speech for a domestic conference
From polyhedra to spheres: The e ffect of shape on the density
第55日本物理学会次大会

No
Dominik Krengel, Hans-Georg Matuttis
2014/03

59 Keynote speech for a domestic conference
Rheology of Fluid-Particle Mixtures
第55日本物理学会次大会

No
Hans-Georg Matuttis、Shi Han Ng
2014/03

60 Keynote speech for a domestic conference
ニュトン流体中の粒子シミュレーション
第61日本物理学会

No
鈴木宗文, Hans-Georg Matuttis
2006/09

61 Keynote speech for a domestic conference
二次元粉粒体中における応力分布の測定及びシミュレーション


No
板橋洋平, Hans-Georg Matuttis
2006/09

62 Keynote speech for a domestic conference
Strategies for an optimized simulation of granular particles in an incompressible Newtonian Fluid
国際高等研究所研究プロジェクト
「隙間-自然・人間・社会の現象学」ワークショップ

No
Hans-Georg Matuttis
2006/08

63 Keynote speech for a domestic conference
Preliminaries for the Implementation of a simulation of polygonal particles in an incompressible Newtonian Fluid
国際高等研究所研究プロジェクト
「隙間-自然・人間・社会の現象学」ワークショップ

No
Takafumi Suzuki, Hans-Georg Matuttis
2006/08

64 Keynote speech for a domestic conference
京都大学数理解析研究所講究緑1472
複雑流体の数理とその応用

No
Strategies for an optimized simulation of granular particles in a Newtonian Fluid, Part 1: Basics
2005/08

65 Other speech or lecture
On the origin of modern physics in the -dark- middle ages
8th Meeting of the JSPS-Club in Japan

No
Hans-Georg Matuttis
2019/10/07