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检索条件"主题词=discrete-element method"
124 条 记 录,以下是41-50 订阅
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Coherent turbulent flow structure under plunging breaker on movable grain bed simulated by 3D DEM-MPS method
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COASTAL ENGINEERING JOURNAL 2024年 第4期66卷 675-702页
作者: Tazaki, Takumi Harada, Eiji Gotoh, Hitoshi Kyoto Univ Dept Civil & Earth Resources Engn Kyoto Japan
Breaking waves transport momentum, gas, and sediment vertically. Recent particle image velocimetry (PIV) measurements have elucidated the coherent vortex and turbulence structures under breaking waves. However, clarif... 详细信息
来源: 评论
Study on the mechanical properties of outwash deposits with random structure method
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Transportation Safety and Environment 2021年 第3期3卷 316-330页
作者: Chaojun Jia Qiang Zhang Mingfeng Lei Jun Yu Rubin Wang Jingyan Liu School of Civil Engineering Central South UniversityChangsha410075China State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin China Institute of Water ResourcesBeijing100048China China Institute of Water Resources and Hydropower Research Beijing100048China School of Transportation and Civil Engineering Nantong UniversityNantong226019China Research Institute of Geotechnical Engineering Hohai UniversityNanjing210098China College of Water Resources Science and Engineering Taiyuan University of TechnologyTaiyuan030024China
Outwash deposit is one of the major threats to the safety and stability of railway transit engineering in the Sichuan–Tibet *** this paper,different samples of outwash deposits were prepared based on the random struc... 详细信息
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Effect of aggregate structure on load-carrying capacity and deformation resistance of porous asphalt concrete based on discrete-element modelling
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INTERNATIONAL JOURNAL OF PAVEMENT ENGINEERING 2022年 第11期23卷 4023-4033页
作者: Zhu, Junqing Ma, Tao Lin, Zihao Zhu, Haoran Southeast Univ Sch Transportat Nanjing Peoples R China JSTI Grp Co Ltd Nanjing Peoples R China
Porous asphalt concrete (PAC) constitutes large air voids and coarse aggregate, forming a unique aggregate structure. The open pore structure is advantageous in creating space for stormwater runoff to infiltrate into ... 详细信息
来源: 评论
Pore-scale modeling of flow in particle packs containing grain-coating and pore-filling hydrates: Verification of a Kozeny-Carman-based permeability reduction model
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JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 2017年 45卷 537-551页
作者: Katagiri, Jun Konno, Yoshihiro Yoneda, Jun Tenma, Norio Natl Inst Adv Ind Sci & Technol Environm Management Res Inst Resources Separat Proc Res Grp 16-1 Onogawa Tsukuba Ibaraki 3058569 Japan Natl Inst Adv Ind Sci & Technol Res Inst Energy Frontier Methane Hydrate Prod Technol Grp Toyohira Ku 2-17-2-1 Tsukisamu Higashi Sapporo Hokkaido 0628517 Japan Natl Inst Adv Ind Sci & Technol Res Inst Energy Frontier Methane Hydrate Geomech Grp 16-1 Onogawa Tsukuba Ibaraki 3058569 Japan Natl Inst Adv Ind Sci & Technol Res Inst Energy Frontier 16-1 Onogawa Tsukuba Ibaraki 3058569 Japan
The permeability of the methane gas hydrate-bearing sand, which reflects the hydrate saturation and morphology of the sediments, significantly influences the rate of gas production. In this study, we formulated permea... 详细信息
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Simulation of material tests using meshfree Lagrangian particle methods
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PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART K-JOURNAL OF MULTI-BODY DYNAMICS 2008年 第4期222卷 327-338页
作者: Gaugele, T. Fleissner, F. Eberhard, P. Univ Stuttgart Inst Engn & Computat Mech D-70569 Stuttgart Germany
This contribution presents an enhanced discrete-element model with special focus on modelling of cohesive ductile materials. The model is based on a basic three-dimensional discrete-element model consisting of spheric... 详细信息
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ICY: An interface between COMSOL multiphysics and discrete element code YADE for the modelling of porous media
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COMPUTERS & GEOSCIENCES 2019年 123卷 38-46页
作者: Pirnia, Pouyan Duhaime, Francois Ethier, Yannic Dube, Jean-Sebastien Ecole Technol Super Lab Geotech & Geoenvironm Engn LG2 1100 Notre Dame Ouest Montreal PQ H3C 1K3 Canada
The thermal, mechanical and hydrodynamic behaviour of porous media in geoscience applications is usually modelled through the finite-element (FEM) or finite-difference methods. These continuum models tend to perform p... 详细信息
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Algorithms for modelling 3D flexible pavements and simulation of vibration cutting by the DEM
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INTERNATIONAL JOURNAL OF PAVEMENT ENGINEERING 2019年 第10期20卷 1127-1139页
作者: Guan, Yueqi Guan, Hanqing Hunan Inst Engn Dept Mech Engn Xiangtan Peoples R China Hunan Univ Coll Mech & Vehicle Engn Changsha Hunan Peoples R China
An algorithm for modelling 3D flexible pavements using the discrete element method (DEM) is put forward in this paper. Firstly, this algorithm can generate the various shapes, sizes and angularity of coarse aggregates... 详细信息
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Patterned Nonaffine Motion in Granular Media
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JOURNAL OF ENGINEERING MECHANICS 2013年 第10期139卷 1479-1490页
作者: Peters, John F. Walizer, Laura E. US Army Engineer Res & Dev Ctr Geotech & Struct Lab Vicksburg MS 39180 USA
Vortex-like flow patterns are often observed in experiments on granular media for which uniform strain is expected based on the loading boundary conditions. These deformations become apparent when the motion associate... 详细信息
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Parametric studies of the performance of particle dampers under harmonic excitation
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STRUCTURAL CONTROL & HEALTH MONITORING 2011年 第1期18卷 79-98页
作者: Lu, Zheng Masri, Sami F. Lu, Xilin Univ So Calif Viterbi Sch Engn Los Angeles CA 90089 USA Tongji Univ State Key Lab Disaster Reduct Shanghai 200092 Peoples R China
The performance of particle dampers under dynamic loads is very complicated and highly nonlinear;consequently, no guidelines currently exist for determining the optimum strategies for maximizing their behavior. The un... 详细信息
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Effects of morphological gene decay and mutation on the micro-macro mechanical behaviours of granular soils
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GEOTECHNIQUE 2022年 第11期74卷 1076-1094页
作者: Xiong, Wei Wang, Jianfeng Wu, Mengmeng City Univ Hong Kong Dept Architecture & Civil Engn Hong Kong Peoples R China City Univ Hong Kong Shenzhen Res Inst Shenzhen Peoples R China
Particle morphology is multi-scale in nature. To investigate the effects of particle morphology at a specific length scale on the macro-micro mechanical behaviours of granular soils, morphological gene decay and mutat... 详细信息
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