COARSE-GRAINING

作品数：20被引量：9H指数：1
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相关领域：理学更多>>
相关作者：陈含爽更多>>
相关机构：安庆师范大学安徽大学武汉大学更多>>
相关期刊：《Computer Modeling in Engineering & Sciences》《Communications in Theoretical Physics》《Chinese Physics B》《Applied Mathematics and Mechanics(English Edition)》更多>>
相关基金：国家自然科学基金更多>>
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Parameter optimization of complex network based on the change-point identification
《The Journal of China Universities of Posts and Telecommunications》2023年第6期22-29,共8页Xu Xingtao Tao Jiagui 
supported by the Science and Technology Foundation of State Grid Corporation of China(SGCC)(J2022116)。
This paper proposes a novel method for the parameter optimization of complex networks established through coarsening and phase space reconstruction.Firstly,we identify the change-points of the time series based on the...
关键词：complex network CHANGE-POINT COARSE-GRAINING embedding dimension 
Predictions of the P1 approximation for radiative heat transfer in heterogeneous granular media被引量：1
《Particuology》2023年第11期25-47,共23页Jelena Macak Christoph Goniva Stefan Radl 
funded through Marie SKEODOWSKA-CURIE Innovative Training Network MATHEGRAM,the People Programme(Marie SKLODOWSKA-CURIE Actions)of the European Union's Horizon 2020 Programme H2020 under REA grant agreement No.813202.
The P1 approximation is a computationally efficient model for thermal radiation.Here,we present a P1 formulation in the context of the combined computational fluid dynamics and discrete element method(CFD-DEM),includi...
关键词：CFD-DEM Thermal radiation COARSE-GRAINING P1 Pebble bed nuclear reactor 
Evaluation of coarse-grained CFD-DEM models with the validation of PEPT measurements被引量：1
《Particuology》2023年第11期48-63,共16页Hanqiao Che Dominik Werner Jonathan Seville Tzany Kokalova Wheldon Kit Windows-Yule 
Computational Fluid Dynamics coupled with Discrete Element Method (CFD-DEM) is a commonly used numerical method to model gas-solid flow in fluidised beds and other multiphase systems. A significant limitation of CFD-D...
关键词：COARSE-GRAINING Discrete element method Computational fluid dynamics CFD-DEM Positron emission particle tracking(PEPT) Bubbling fluidised bed 
Towards a unified nonlocal, peridynamics framework for the coarse-graining of molecular dynamics data with fractures
《Applied Mathematics and Mechanics(English Edition)》2023年第7期1125-1150,共26页H.Q.YOU X.XU Y.YU S.SILLING M.D'ELIA J.FOSTER 
the projects support by the National Science Foundation(No.DMS-1753031);the Air Force Office of Scientific Research(No.FA9550-22-1-0197);partially supported by the National Science Foundation(No.2019035);the support of the Sandia National Laboratories(SNL)Laboratory-directed Research and Development Program;the U.S.Department of Energy(DOE);Office of Advanced Scientific Computing Research(ASCR)under the Collaboratory on Mathematics and Physics-Informed Learning Machines for Multiscale and Multiphysics Problems(PhILMs)project。
Molecular dynamics(MD)has served as a powerful tool for designing materials with reduced reliance on laboratory testing.However,the use of MD directly to treat the deformation and failure of materials at the mesoscale...
关键词：nonlocal model machine learning HOMOGENIZATION PERIDYNAMICS material fracture 
Author Correction: A machine learning enabled hybrid optimization framework for efficient coarse-graining of a model polymer
《npj Computational Materials》2023年第1期203-203,共1页Zakiya Shireen Hansani Weeratunge Adrian Menzel Andrew W.Phillips Ronald G.Larson Kate Smith-Miles Elnaz Hajizadeh 
Correction to:npj Computational Materials https://doi.org/10.1038/s41524-022-00914-4,published online 04 November 2022 The original version of this Article omitted some contributions in the Author Contributions sectio...
关键词：optimization FORMAL GRAIN 
A machine learning enabled hybrid optimization framework for efficient coarse-graining of a model polymer
《npj Computational Materials》2022年第1期2128-2138,共11页Zakiya Shireen Hansani Weeratunge Adrian Menzel Andrew W.Phillips Ronald G.Larson Kate Smith-Miles Elnaz Hajizadeh 
This research is supported by the Commonwealth of Australia as represented by the Defence Science and Technology Group of the Department of Defence.
This work presents a framework governing the development of an efficient,accurate,and transferable coarse-grained(CG)model of a polyether material.The framework combines bottom-up and top-down approaches of coarse-gra...
关键词：optimization GRAIN integrating 
Discrete particle methods for engineering simulation:Reproducing mesoscale structures in multiphase systems被引量：1
《Resources Chemicals and Materials》2022年第1期69-79,共11页Ji Xu Peng Zhao Yong Zhang Junwu Wang Wei Ge 
supported by the National Natural Sci-ence Foundation of China(Grant Nos.21978295,22078330,92034302 and 91834303);Innovation Academy for Green Manufacture,Chinese Academy of Sciences(Grant Nos.IAGM-2019-A03 and IAGM-2019-A13);Key Research Program of Frontier Sciences,Chinese Academy of Sciences(Grant No.QYZDJ-SSWJSC029);“Transformational Technologies for Clean Energy and Demonstration”Strategic Prior-ity Research Program of the Chinese Academy of Sciences(Grant No.XDA21030700);the Youth Innovation Promotion Association,Chinese Academy of Sciences(Grant No.2019050).
Most natural resources are processed as particle-fluid multiphase systems in chemical,mineral and material indus-tries,therefore,discrete particles methods(DPM)are reasonable choices of simulation method for engineeri...
关键词：COARSE-GRAINING Discrete element method(DEM) EMMS-DPM(EMMS-based discrete particle method) GPU-CPU heterogeneous computing MESOSCALE 
A Hybrid Immersed Boundary/Coarse-Graining Method for Modeling Inextensible Semi-Flexible Filaments in Thermally Fluctuating Fluids Dedicated to Professor Karl Stark Pister for his 95th birthday
《Computer Modeling in Engineering & Sciences》2021年第12期1243-1258,共16页Magdalini Ntetsika Panayiotis Papadopoulos 
A new and computationally efficient version of the immersed boundary method,which is combined with the coarse-graining method,is introduced for modeling inextensible filaments immersed in low-Reynolds number flows.Thi...
关键词：Semiflexible biopolymers immersed boundary method COARSE-GRAINING actin filaments fluid-structure interaction thermal fluctuations persistence length 
General Operational Protocol for Coherence. Central Limit Theorem as Approximation
《Journal of Modern Physics》2021年第5期605-622,共18页Maria K. Koleva 
A general operational protocol which provides permanent macroscopic coherence of the response of any stable complex system put in an ever-changing environment is proposed. It turns out that the coherent response consi...
关键词：Decomposition Theorem Central Limit Theorem Notion of a General Operational Protocol Notion of a Law COARSE-GRAINING Scale Invariance 
Systematic coarse-graining of epoxy resins with machine learning-informed energy renormalization
《npj Computational Materials》2021年第1期1529-1540,共12页Andrea Giuntoli Nitin K.Hansoge Anton van Beek Zhaoxu Meng Wei Chen Sinan Keten 
This work is supported by the Center for Hierarchical Materials Design(CHiMaD)that is funded by the National Institute of Standards and Technology(NIST)(award#70NANB19H005);as well as from the Departments of Civil and Mechanical Engineering at Northwestern University and a supercomputing grant from Northwestern University High Performance Computing Center and the Department of Defense Supercomputing Resource Center.Z.M.acknowledge startup funds from Clemson University,SC TRIMH support(P20 GM121342);support by the NSF and SC EPSCoR Program(NSF Award#OIA-1655740 and SC EPSCoR Grant#21-SA05).
A persistent challenge in molecular modeling of thermoset polymers is capturing the effects of chemical composition and degree of crosslinking(DC)on dynamical and mechanical properties with high computational efficien...
关键词：functions RESINS EPOXY 
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