MATRIX-FREE

作品数：9被引量：13H指数：3
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相关领域：理学电子电信更多>>
相关作者：姜家持赵晓明冯恩信更多>>
相关机构：西安卫星测控中心西安交通大学更多>>
相关期刊：《npj Computational Materials》《Computer Modeling in Engineering & Sciences》《Materials Sciences and Applications》《Journal of Hydrodynamics》更多>>
相关基金：国家自然科学基金中国博士后科学基金更多>>
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Highly efficient solid-state luminescence of carbonized polymer dots without matrix
《Chinese Chemical Letters》2023年第6期412-416,共5页Rui Li Junjun Liu Chunlei Xia Tanglue Feng Zhicheng Zhu Bai Yang 
supported financially by the National Science Foundation of China(Nos.22035001,21774041);Jilin University Science and Technology Innovative Research Team(No.2017TD-06)。
Development of high-performance solid state luminescent carbon-based nanomaterials remains challenging.Here,strong blue-green fluorescent carbonized polymer dots(CPDs)from o-aminobenzenethiol and thiosalicylic acid(o ...
关键词：Carbonized polymer dots Solid-state fluorescence MATRIX-FREE High performance Enhanced photoluminescence quantum yield 
Implementation of high-fidelity neutronics and thermal–hydraulic coupling calculations in HNET被引量：3
《Nuclear Science and Techniques》2022年第11期120-132,共13页Yan-Ling Zhu Xing-Wu Chen Chen Hao Yi-Zhen Wang Yun-Lin Xu 
supported by the China Postdoctoral Science Foundation(No.2021M703045);the National Natural Science Foundation of China(No.12075067);the National Key R&D Program of China(No.2018YFE0180900).
To perform nuclear reactor simulations in a more realistic manner,the coupling scheme between neutronics and thermal-hydraulics was implemented in the HNET program for both steady-state and transient conditions.For si...
关键词：Coupling calculation High-fidelity neutronics THERMAL-HYDRAULICS Matrix-free Newton/Krylov method Transient simulation 
A Meshless and Matrix-Free Approach to Modeling Turbulent Fluid Flow Dedicated to Professor Karl Stark Pister for his 95th birthday
《Computer Modeling in Engineering & Sciences》2021年第12期1373-1393,共21页Matthew Wilkinson Javier Villarreal Andrew Meade 
The authors wish to express their appreciation to the reviewers for their helpful suggestions which greatly improved the presentation of this paper。
A meshless and matrix-free fluid dynamics solver(SOMA)is introduced that avoids the need for user generated and/or analyzed grids,volumes,and meshes.Incremental building of the approximation avoids creation and invers...
关键词：Mesh free NAVIER-STOKES turbulent flow machine learning 
Matrix-Free Higher-Order Finite Element Method for Parallel Simulation of Compressible and Nearly-Incompressible Linear Dedicated to Professor Karl Stark Pister for his 95th birthday Elasticity on Unstructured Meshes
《Computer Modeling in Engineering & Sciences》2021年第12期1283-1303,共21页Arash Mehraban Henry Tufo Stein Sture Richard Regueiro 
The research relied on computational resources[29]provided by the University of Colorado Boulder Research Computing Group,which is supported by the National1302 CMES,2021,vol.129,no.3 Science Foundation(Awards ACI-1532235 and ACI-1532236);University of Colorado Boulder,and Colorado State University.
Higher-order displacement-based finite element methods are useful for simulating bending problems and potentially addressing mesh-locking associated with nearly-incompressible elasticity,yet are computationally expens...
关键词：MATRIX-FREE HIGHER-ORDER finite element parallel linear elasticity multigrid solvers unstructured meshes 
Comparison of Surface Characteristics of Mesoporous Titania Prepared in Matrix-Free Solutions and Using Triton X Reverse Micelles
《Materials Sciences and Applications》2020年第11期715-732,共18页Polyxeni Paschalidou Charis R. Theocharis 
Titania nanoparticles have been prepared from the precursor compound Ti(OiPr)4 using Triton X reverse micelles with varying surfactant tail, in a matrix-free aqueous (pH 2) and in non-aqueous phase (benzyl ...
关键词：Titanium Dioxide Surface Characteristics MESOPORES Inverse Micelles SYNTHESIS 
PRISMS-PF:A general framework for phase-field modeling with a matrix-free finite element method被引量：3
《npj Computational Materials》2020年第1期1421-1432,共12页Stephen DeWitt Shiva Rudraraju David Montiel W.Beck Andrews Katsuyo Thornton 
This work was supported by the U.S.Department of Energy,Office of Basic Energy Sciences,Division of Materials Sciences and Engineering under Award#DESC0008637 as part of the Center for PRedictive Integrated Structural Materials Science(PRISMS Center)at University of Michigan;This research used resources of the National Energy Research Scientific Computing Center(NERSC),a U.S.Department of Energy Office of Science User Facility operated under Contract No.DE-AC02-05CH11231;This research was also supported through computational resources and services provided by Advanced Research Computing at the University of Michigan,Ann Arbor.
A new phase-field modeling framework with an emphasis on performance,flexibility,and ease of use is presented.Foremost among the strategies employed to fulfill these objectives are the use of a matrix-free finite elem...
关键词：structure FINITE ELEMENT 
一种用于深空网天线组阵的基于归一化权的Matrix-Free Power Method被引量：3
《遥测遥控》2009年第4期15-20,共6页赵晓明 冯恩信 姜家持 
对深空网天线组阵中的几种信号相关算法作简要介绍,重点研究无需形成矩阵的幂的方法——Matrix-Free Power Method。通过理论分析,提出一种改进算法,即基于归一化权的Matrix-Free Power Method。理论计算和软件仿真结果均表明,基于归一...
关键词：深空探测 天线组阵 MATRIX-FREE POWER Method 权信噪比 归一化权 
A MATRIX-FREE IMPLICIT METHOD FOR INCOMPRESSIBLE FLOW AROUND 3D COMPLEX UNDERWATER BODIES被引量：3
《Journal of Hydrodynamics》2006年第2期192-198,共7页HUANG Zhen-yu Miao Guo-ping 
Project supported by the National Postdoctor Foundation (Grant No: 2003033308).
A fast, matrix-free implicit method based on the Lower-Upper Symmetric Gauss-Seidel （LU-SGS） method was developed to solve the three-dimensional incompressible Reynolds-averaged Navier-Stokes equations on multi-bloc...
关键词：Lower-Upper Symmetric Gauss-Seidel（LU-SGS） method incompressible flow underwater bodies Computational Fluid Dynamics （CFD） 
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