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SOLVER: 作品数：245被引量：377H指数：11; 导出分析报告; 相关领域：理学更多>>; 相关作者：杨建军张正江陈曦陈智强邵之江更多>>; 相关机构：吉林大学北京航空航天大学浙江大学上海交通大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金中国博士后科学基金更多>>

基于扩散概率模型的去噪预测网络预测人体运动: 《小型微型计算机系统》2025年第4期883-891,共9页王婷玉谢文军王冬李琳刘晓平; 国家自然科学基金面上项目(62277014)资助;安徽省重点研究与开发计划项目(2022f04020006)资助;中央高校基本科研业务费专项资金项目(PA2023GDSK0047)资助.; 近年来,深度学习方法在人体运动预测方面取得了良好的进展,目前单一阶段方法在预测的准确性和多样性上仍存在改进空间,而采用多阶段方式则导致难以端到端预测.为此,本文提出了一种基于扩散概率模型的去噪预测网络,旨在以端到端的方式去...; 关键词：人体运动预测扩散概率模型去噪预测网络修正线性自注意力 DPM-Solver++

Development of a field-programmable gate array-based real-time generic solver for power electronics circuits with arbitrary configurations: 《High Voltage》2025年第1期47-55,共9页Yuan Chen Jiadai Liu Hui Ding Yi Zhang; Using a field-programmable gate array(FPGA)as the core computational engine,this paper proposes a digital real-time electromagnetic transient simulator for a generic power electronic system.The LC switching model is e...; 关键词：GENERIC power network

A CELL-CENTERED MULTIGRID SOLVER FOR THE FINITE VOLUME DISCRETIZATION OF ANISOTROPIC ELLIPTIC INTERFACE PROBLEMS ON IRREGULAR DOMAINS: 《Journal of Computational Mathematics》2025年第1期18-42,共25页Kejia Pan Xiaoxin Wu Hongling Hu Zhilin Li; supported by the National Natural Science Foundation of China(Grant No.42274101);X.X.Wu was supported by the Fundamental Research Funds for the Central Universities of Central South University(Grant No.2020zzts354);H.L.Hu was supported by the National Natural Science Foundation of China(Grant No.12071128);by the Natural Science Foundation of Hunan Province(Grant No.2021JJ30434);Z.L.Li was supported by a Simons Grant No.633724.; The aim of this paper is to develop a fast multigrid solver for interpolation-free finite volume (FV) discretization of anisotropic elliptic interface problems on general bounded domains that can be described as a uni...; 关键词：Elliptic interface problem Discontinuous coefficients Anisotropic coefficients Cascadic multigrid method Richardson extrapolation

GPU-Enabled Isogometric Topology Optimization with Bezier Element Stiffness Mapping: 《Computer Modeling in Engineering & Sciences》2025年第2期1481-1514,共34页Xuesong Li Shuting Wang Nianmeng Luo Aodi Yang Xing Yuan Xianda Xie; supported by the National Key R&D Program of China(2023YFB2504601);National Natural Science Foundation of China(52205267).; Due to the high-order B-spline basis functions utilized in isogeometric analysis(IGA)and the repeatedly updating global stiffness matrix of topology optimization,Isogeometric topology optimization(ITO)intrinsically su...; 关键词：Isogeometric analysis topology optimization GPU sparse system solver Bezier element stiffness mapping

Two-Step Asymmetric Perfectly Matched Layer Model for High-Order Spatial FDTD Solver of 2D Maxwell’s Equations: 《Journal of Applied Mathematics and Physics》2025年第2期553-566,共14页Abdelrahman Mahdy; We implemented a two-step Asymmetric Perfectly Matched Layer (APML) model in High-Order Finite Difference Time Domain (FDTD) algorithm for solving two-dimensional Maxwell’s equations. Initially, we applied the APML m...; 关键词：Perfectly Matched Layer The Finite-Difference-Time-Domain Terahertz Radiation Production Filamentation of Femtosecond Laser Maxwell’s Equations Solver

Convergence of a Generalized Riemann Problem Scheme for the Burgers Equation: 《Communications on Applied Mathematics and Computation》2024年第4期2215-2238,共24页Mária Lukáčová-Medvid’ová Yuhuan Yuan; funded by the Gutenberg Research College and by Chinesisch-Deutschen Zentrum fiur Wissenschaftsforderung(中德科学中心)Sino-German Project No.GZ1465;M.L.is grateful to the Mainz Institute of Multiscale Modelling and SPP 2410 Hyperbolic Balance Laws in Fluid Mechanics:Complexity,Scales,Randomness(CoScaRa)for supporting her research.; In this paper,we study the convergence of a second-order finite volume approximation of the scalar conservation law.This scheme is based on the generalized Riemann problem(GRP)solver.We first investigate the stability...; 关键词：Scalar conservation law Finite volume method Generalized Riemann problem(GRP)solver Entropy stability CONSISTENCY CONVERGENCE

A robust implicit high-order discontinuous Galerkin method for solving compressible Navier-Stokes equations on arbitrary grids: 《Acta Mechanica Sinica》2024年第8期96-119,共24页Jia Yan Xiaoquan Yang Peifen Weng; supported by the National Natural Science Foundation of China(Grant No.12102247);the Technology Development Program(Grant No.JCKY2022110C119).; The primary impediments impeding the implementation of high-order methods in simulating viscous flow over complex configurations are robustness and convergence.These challenges impose significant constraints on comput...; 关键词：Discontinuous Galerkin method Exact Jacobian matrix GMRES solver Adaptive CFL number Reference domain HIGH-ORDER

Implementation of a particle-in-cell method for the energy solver in 3D spherical geodynamic modeling: 《Earth and Planetary Physics》2024年第3期549-563,共15页Hao Dong ZeBin Cao LiJun Liu YanChong Li SanZhong Li LiMing Dai XinYu Li; the National Supercomputer Center in Tianjin for their patient assistance in providing the compilation environment.We thank the editor,Huajian Yao,for handling the manuscript and Mingming Li and another anonymous reviewer for their constructive comments.The research leading to these results has received funding from National Natural Science Foundation of China projects(Grant Nos.92355302 and 42121005);Taishan Scholar projects(Grant No.tspd20210305);others(Grant Nos.XDB0710000,L2324203,XK2023DXC001,LSKJ202204400,and ZR2021ZD09).; The thermal evolution of the Earth’s interior and its dynamic effects are the focus of Earth sciences.However,the commonly adopted grid-based temperature solver is usually prone to numerical oscillations,especially i...; 关键词：numerical oscillation overshooting and undershooting particle-in-cell method three-dimensional spherical geodynamic modeling energy solver finite element method

HL-2A托卡马克比压阿尔芬本征模的实验观测与模拟研究: 《核聚变与等离子体物理》2024年第2期214-221,共8页尹刚包健陈伟; 国家重点研发计划“面向聚变堆高性能等离子体中快粒子物理实验研究”(2019YFE03020000);自然科学基金“磁约束等离子体中高能量粒子物理”(12125502)。; 基于HL-2A装置上比压诱导的阿尔芬本征模(BAE)的实验观测结果,应用本征值程序GAM-solver,对BAE进行了模拟研究。模拟结果表明,BAE的频率大约在50~70kHz范围,且频率随环向模数的增加而增加,这些模拟结果和实验观测一致。同时,应用GAM-sol...; 关键词：比压阿尔芬本征模 GAM-solver程序 BAE积累点频率连续谱

浊度补偿紫外光谱法测定市政污水厂进水COD: 《广州化工》2024年第8期142-145,178,共5页王磊朱峰; 为解决市政污水厂进水预警问题,采用紫外光谱法对某市政污水厂进水样本进行了跟踪测定,拟合出COD-A模型以及浊度-A模型。实验排除了共价化合物、其他紫外区弱吸收的化合物以及浊度对检测结果的影响。实验结果表明,在波长254 nm处,具有...; 关键词：市政污水紫外光谱法浊度补偿皮尔逊 SOLVER

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