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检索条件"主题词=Geometric algorithm"
59 条 记 录,以下是1-10 订阅
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A geometric algorithm based on the advancing front approach for sequential sphere packing
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GRANULAR MATTER 2018年 第4期20卷 59-59页
作者: Li, Yongjun Ji, Shunying Dalian Univ Technol State Key Lab Struct Anal Ind Equipment Dalian Peoples R China
The arrangement of calculation samples with a high initial solid fraction and lower computation times are the primary concern of discrete element simulations. When generating thousands of particles, the advancing fron... 详细信息
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Approximation of triangular B-spline surfaces by local geometric fitting algorithm
Approximation of triangular B-spline surfaces by local geome...
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3rd National-Foundation-for-Science-and-Technology-Development Conference on Information and Computer Science (NICS)
作者: Nga Le-Thi-Thu Khoi Nguyen-Tan Thuy Nguyen-Thanh Danang Univ Sci & Technol Danang Vietnam Vietnam Natl Univ Hanoi Vietnam
Surfaces over triangular domain are a powerful and flexible tool for modeling of complex objects with non-rectangular topology. Due to the particular advantages of triangular parametric surfaces, they have wide applic... 详细信息
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Exact and efficient search-based wall distance algorithm for partitioned unstructured grids
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COMPUTERS & FLUIDS 2025年 288卷
作者: Oh, Jun Seok Kung, Tae Yoon Kim, Kyu Hong Seoul Natl Univ Dept Aerosp Engn 105-401 Gwanak Ro Seoul 08826 South Korea Seoul Natl Univ Inst Adv Aerosp Technol Seoul 08826 South Korea
In this paper, we develop a novel search-based wall distance calculation algorithm. The algorithm is highly efficient and satisfies the crucial requirement of exactness in wall distance calculations, taking into accou... 详细信息
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Comparative Study on the Vertical Column Concentration Inversion algorithm of Tropospheric Trace Gas Based on the MAX-DOAS Measurement Spectrum
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REMOTE SENSING 2024年 第18期16卷 3359页
作者: Wang, Haoyue Lu, Yuehua Yu, Ke Xiao, Feihong Guo, Rongzhi Yan, Naicong Wang, Weiguo Yunnan Univ Dept Atmospher Sci Kunming 650500 Peoples R China Yunnan Meteorol Observ Kunming 650032 Peoples R China
The tropospheric vertical column concentration (VCDtrop) of NO2, SO2, and HCHO was retrieved, respectively, by employing the geometric method (Geomtry), simplified model method (Model), and look-up table method (Table... 详细信息
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Mesh-driven resampling and regularization for robust point cloud-based flow analysis directly on scanned objects
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COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING 2024年 432卷
作者: Jaiswal, Monu Corpuz, Ashton M. Hsu, Ming-Chen Iowa State Univ Dept Mech Engn 2043 Black Engn Ames IA 50011 USA
Point cloud representations of three-dimensional objects have remained indispensable across a diverse array of applications, given their ability to represent complex real-world geometry with just a set of points. The ... 详细信息
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algorithmic approach to discrete fracture network flow modeling in consideration of realistic connections in large-scale fracture networks
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Journal of Rock Mechanics and Geotechnical Engineering 2024年 第9期16卷 3798-3811页
作者: Qihua Zhang Shan Dong Yaoqi Liu Junjie Huang Feng Xiong Badong National Observation and Research Station of Geohazards China University of GeosciencesWuhan430074China SINOPEC Shanghai Engineering Co. Ltd.Shanghai200120China Faculty of Engineering China University of GeosciencesWuhan430074China
Analyzing rock mass seepage using the discrete fracture network(DFN)flow model poses challenges when dealing with complex fracture *** paper presents a novel DFN flow model that incorporates the actual connections of ... 详细信息
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Research on Post Nonlinear geometric algorithm for BSS of Mixed Vibration Simulation Signals from the Impeller Pumps
Research on Post Nonlinear Geometric Algorithm for BSS of Mi...
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The second International Symposium on Socially and Technically Symbiotic Systems (STSS2015);The 7th International Symposium on Symbiotic Nuclear Power Systems (ISSNP2015)
作者: Sun Shi-yan XIA Hong CHEN Zhi-hui YANG Bo LIU Mei-ru Fundamental Science on Nuclear Safety and Simulation Technology Laboratory College of Nuclear Science and TechnologyHarbin Engineering University Science and Technology on Reactor System Design Technology Laboratory Science and Technology on Reactor System Design Technology Laboratory Nuclear Power Institute of China
In nuclear power plants,for rotating equipment,a normal method for monitoring the modes and diagnosing its fault is monitoring and analyzing its vibration or noise ***,the detected signals are usually the non-linear m... 详细信息
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A fast and efficient particle packing generation algorithm with controllable gradation for discontinuous deformation analysis
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GEOMECHANICS AND GEOPHYSICS FOR GEO-ENERGY AND GEO-RESOURCES 2023年 第1期9卷 1-27页
作者: Ma, Jianjun Ding, Wenjie Lin, Yuexiang Chen, Wanxiang Huang, Linchong Sun Yat Sen Univ Guangdong Res Ctr Underground Space Exploitat Tech Sch Civil Engn Southern Marine Sci & Engn Guangdong Lab ZhuhaiGu Zhuhai 519082 Peoples R China Sun Yat Sen Univ Sch Civil Engn Guangzhou 510275 Peoples R China Sun Yat Sen Univ Sch Aeronaut & Astronaut Shenzhen 518107 Peoples R China Hong Kong Polytech Univ Dept Civil & Environm Engn Hong Kong Peoples R China
A systematic geometric algorithm is developed to generate particle packing with high density, controllable gradation, and uniform spatial distribution for discontinuous deformation analysis (DDA). The algorithm incorp... 详细信息
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Slow manifolds of classical Pauli particle enable structure-preserving geometric algorithms for guiding center dynamics
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COMPUTER PHYSICS COMMUNICATIONS 2021年 265卷 107981-107981页
作者: Xiao, Jianyuan Qin, Hong Univ Sci & Technol China Dept Plasma Phys & Fus Engn Hefei 230026 Peoples R China Princeton Univ Plasma Phys Lab POB 451 Princeton NJ 08543 USA
Since variational symplectic integrators for the guiding center was proposed [1,2], structure-preserving geometric algorithms have become an active research field in plasma physics. We found that the slow manifolds of... 详细信息
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A new constructive algorithm for random polydisperse dense disk pack generation
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INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING 2021年 第20期122卷 5812-5843页
作者: Lozano, Elias Gattass, Marcelo Tecgraf Inst Tech Sci Software DevelopmentPUC Rio Rio De Janeiro Brazil Pontificia Univ Catolica Rio de Janeiro Dept Informat Rio de Janeiro Brazil
This article presents a novel strategy for the non-overlapping disk-packing problem for generating dense random assemblies. The proposed geometric algorithm adopts an advancing-front approach that uses novel heuristic... 详细信息
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