BGK

作品数:37被引量:45H指数:3
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相关作者:李锦李启兵徐昆钟诚文江定武更多>>
相关机构:清华大学北京应用物理与计算数学研究所华中科技大学中国空气动力研究与发展中心更多>>
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河流–地下水系统水体污染研究
《应用数学进展》2024年第3期934-948,共15页王雨茼 朴凤贤 张圆源 甘甜甜 
水资源作为生产生活的必需品,在地下水污染中最难治理和危害最大的是有机污染,因而对有机污染物在河流–地下水系统中的行为特征进行研究具有十分重要的理论意义和实际价值。首先使用雷诺平均Navier-Stokes方程建立并模拟河流–地下水...
关键词:贪婪Gauss-Seidel方法 BGK-波尔兹曼方程 NAVIER-STOKES方程 
High Order Conservative Semi-Lagrangian Scheme for the BGK Model of the Boltzmann Equation
《Communications in Computational Physics》2021年第1期1-56,共56页Sebastiano Boscarino Seung-Yeon Cho Giovanni Russo Seok-Bae Yun 
supported by Samsung Science and Technology Foundation under Project Number SSTF-BA1801-02.
In this paper,we present a conservative semi-Lagrangian finite-difference scheme for the BGK model.Classical semi-Lagrangian finite difference schemes,coupled with an L-stable treatment of the collision term,allow lar...
关键词:BGK model Boltzmann equation semi-Lagrangian scheme conservative correction discrete Maxwellian 
A Three-Dimensional Gas-Kinetic BGK Scheme for Simulating Flows in Rotating Machinery
《Advances in Applied Mathematics and Mechanics》2019年第1期168-196,共29页Di Zhou Zhiliang Lu Tongqing Guo 
This work has been supported by the National Natural Science Foundation of China(Grant No.11372135);the National Basic Research Program of China(“973”Project)(Grant No.2014CB046200).
This paper focuses on the development and application of a threedimensional gas-kinetic Bhatnagar-Gross-Krook(BGK)method for the viscous flows in rotating machinery.For such flows,a rotating frame of reference is usua...
关键词:Gas-kinetic scheme BGK model non-inertial reference frame acceleration term rotating machinery 
Lattice Boltzmann model of percutaneous drug absorption
《Theoretical & Applied Mechanics Letters》2019年第1期1-6,I0006,共7页Arman Safdari Kyung Chun Kim 
supported by the National Research Foundation of Korea(NRF)grant funded by the Korean government(MSIT)(2011-0030013 and 2018R1A2B2007117)
A lattice Boltzmann numerical modeling method was developed to predict skin concentration after topical application of a drug on the skin. The method is based on D2Q9 lattice spaces associated with the Bhatnagar-Gross...
关键词:Lattice BOLTZMANN method Bhatnagar-Gross-Krook (BGK) Single relaxation time ADVECTION-DIFFUSION CONVECTION-DIFFUSION equation (CDE) 
Impact of Fungicide Treatments on the Constitution of Unsound Wheat Kernels被引量:2
《Agricultural Biotechnology》2018年第6期46-50,53,共6页Ze LIU Yiliang QIAN Li ZHAO Xianfang HE Jianlai WANG 
Supported by the Special Fund for Agro-scientific Research of the Public Interest(201503112-12);Anhui Special Fund for R&D Project(1704f0704069);Anhui Provincial Natural Science Foundation(1808085QC87);Sci-tec Innovative Foundation of Anhui Academy of Agricultural Sciences(18C0919)
Nine fungicides were applied,either through seed-dressing or post-anthesis foliar-spray,to eight winter wheat varieties to understand their influences on the constitution of unsound kernels during the 2017-2018 growth...
关键词:Triticum aestivum L. Fusarium-damaged kernel(FDK) Black-germ kernel(BGK) Pre-harvest sprouting(PHS) FUSARIUM GRAMINEARUM BIPOLARIS sorokiniana 
Discrete ellipsoidal statistical BGK model and Burnett equations被引量:4
《Frontiers of physics》2018年第3期149-161,共13页Yu-Dong Zhang Ai-Guo Xu Guang-Cai Zhang Zhi-Hua Chen Pei Wang 
The authors would like to acknowledge the support of the National Natural Science Foundation of China (Grant Nos. 11475028, 11772064, 11502117, and U1530261), and Science Challenge Project (Grant Nos. JCKY2016212A501 and TZ2016002).
A new discrete Boltzmann model, the discrete ellipsoidal statistical Bhatnagar-Gross-Krook (ES- BGK) model, is proposed to simulate nonequilibrium compressible flows. Compared with the original discrete BGK model, t...
关键词:discrete Boltzmann model eUipsoidal statistical BGK Burnett equations nonequilibriumquantities actual distribution function 
多维度变形测量系统监测既有铁路路基方案设计
《中国多媒体与网络教学学报(电子版)》2017年第5期299-300,共2页匡华云 
从监测内容、监测设备选型及安装方式、数据采集与传输三个方面对既有铁路路基监测方案进行设计与阐述,通过BGK-6150SI型多维度变形测量系统对铁路路基的监测,实时掌握既有铁路在运营过程中的位移情况,为铁路线路线运营维护提供有利的...
关键词:既有铁路 铁路路基监测 BGK-6150SI型多维度变形测量系统 
水电站地下厂房BGK A-6型多点位移计施工技术——以厄瓜多尔保特-索普拉多拉为例
《技术与市场》2015年第6期136-137,140,共3页刘晓兵 张璟婷 
厄瓜多尔索普拉多拉水电站主厂房工程中,通过BGK-4450型振弦式位移传感器对预先埋设的BGK A-6型多点位移计进行远程遥测,定期对厂房进行位移变化及温度变化数据的收集,为测量结构的稳定性并及时采取相关支护措施提供参考。开挖期间岩体...
关键词:位移监测 多点位移计 稳定性 施工技术 
辐射流体力学的分子动理学自适应加密方法(英文)被引量:1
《计算物理》2015年第3期277-292,共16页孙文俊 范征峰 
Supported by NSFC(11371068,11001026,10971016,40890154,91130020)
通过构造新的平衡分布函数和结合分区自适应网格加密方法,对不带扩散项的平衡辐射流体力学方程,构造二阶的分子动理学BGK-AMR格式.一方面在关心的计算区域中局部加密计算网格,提高计算精度的同时大大节省了计算网格数量和计算时间;另一...
关键词:自适应网格加密 辐射流体力学 零扩散极限 BGK-AMR格式 
Dimension-Reduced Hyperbolic Moment Method for the Boltzmann Equation with BGK-Type Collision被引量:1
《Communications in Computational Physics》2014年第5期1368-1406,共39页Zhenning Cai Yuwei Fan Ruo Li Zhonghua Qiao 
supported in part by the National Basic Research Program of China(2011CB309704);the National Natural Science Foundation of China(NSFC91330205);supported by the Hong Kong Research Council GRF grant(PolyU 2021/12P);the Hong Kong Polytechnic University grant(A-PL61);supported by the Hong Kong RGC grant PolyU 2017/10P during their visits to the Hong Kong Polytechnic University。
We develop the dimension-reduced hyperbolic moment method for the Boltzmann equation,to improve solution efficiency using a numerical regularized moment method for problems with low-dimensional macroscopic variables a...
关键词:Dimension-reduction moment system NRxx global hyperbolicity boundary condition MICROFLOW 
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