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Numerical simulation of vortex breakdown in a cylindrical tank with rotating bottom and free surface using level set method: 《Chinese Journal of Chemical Engineering》2025年第1期293-300,共8页Zepeng Zhao Qin Li Feng Ye Haoliang Wang Jianfeng Wang Hui Yu Xiangyang Li Chao Yang; National Natural Science Foundation of China(22178228,22178326); A cylindrical chamber with a rotating bottom holds significant potential for application in cell culture bioreactors due to its ability to generate more stable swirling flows.In order to control vortex breakdown withi...; 关键词：Vortex breakdown Level set Microbial cultivation Micro-bioreactor

Inverse design of indoor radiant terminal distribution using a parametric level set and K-means clustering: 《Building Simulation》2024年第12期2163-2178,共16页Xin Chen Xingwang Zhao Yonggao Yin; supported by the National Natural Science Foundation of China(NSFC)through Grant No.52208098;by the China Postdoctoral Science Foundation through Grant No.2022M710689;by Jiangsu Planned Projects for Postdoctoral Research Funds through Grant No.2021K069A.; Compared with traditional convection air conditioning,the radiant cooling(RC)system has higher energy-saving potential and better comfort.At present,the particle swarm optimization(PSO)algorithm is one of the most adv...; 关键词：radiant cooling system inverse design parametric level set method Predicted Mean Vote(PMV) thermal comfort

Expected Residual Minimization Method for Stochastic Tensor Variational Inequalities: 《Journal of the Operations Research Society of China》2024年第4期1048-1071,共24页Tong-Tong Shang Guo-Ji Tang; supported by the National Natural Science Foundation of China(No.11961006);Guangxi Natural Science Foundation(No.2020GXNSFAA159100).; The goal of this paper is to introduce and investigate a model called the stochastic tensor variational inequality(denoted by STVI),which is a natural extension of the stochastic linear complementarity problem and the...; 关键词：Stochastic tensor variational inequality Strongly monotone tensor Level set Convergence

Concurrent Two-Scale Topology Optimization of Thermoelastic Structures Using a M-VCUT Level Set Based Model of Microstructures: 《Computer Modeling in Engineering & Sciences》2024年第11期1327-1345,共19页Jin Zhou Minjie Shao Ye Tian Qi Xia; supported by the National Natural Science Foundation of China(Grant No.12272144).; By analyzing the results of compliance minimization of thermoelastic structures,we observed that microstructures play an important role in this optimization problem.Then,we propose to use a multiple variable cutting(M...; 关键词：Two-scale structure topology optimization multiple variable cutting level set DATA-DRIVEN radial basis function thermoelastic structure

An M-VCUT level set-based data-driven model of microstructures and optimization of two-scale structures: 《Frontiers of Mechanical Engineering》2024年第4期73-86,共14页Minjie SHAO Tielin SHI Qi XIA; supported by the National Natural Science Foundation of China(Grant No.12272144).; The optimization of two-scale structures can adapt to the different needs of materials in various regions by reasonably arranging different microstructures at the macro scale,thereby considerably improving structural ...; 关键词：two-scale structure structural optimization M-VCUT level set HOMOGENIZATION radial basis function DATA-DRIVEN

两相流数值模拟的单层粒子Level Set方法: 《水动力学研究与进展（A辑）》2024年第4期578-586,共9页周涛徐心怡牟凯龙毛佳赵兰浩; 国家重点研发计划项目(2022YFC3005402);国家自然科学基金资助项目(52009034);水利部重大科技项目(SKS-2022108);河海大学水安全与水科学协同创新中心。; 在粒子Level Set方法的基础上,该文提出了一种两相流数值模拟的单层粒子Level Set方法。与一般粒子Level Set方法不同,该方法只需要在界面处布置一层拉格朗日粒子,并依据粒子位置信息修正重新初始化带来的界面失真,从而实现对界面位置...; 关键词：两相流界面 Level set 拉格朗日粒子

On Smooth Families of Diffeomorphic Manifolds and Their Distribution Function: 《Journal of Mathematical Study》2024年第2期230-242,共13页Simone Calamai; supported by GNSAGA of INdAM;funded by the Municipal Science and Technology Commission.; We present a formula for the third derivative of the distribution function of a regular function on a domain of R^(n+1),and a further discussion of the extra assumption that the function is harmonic.The present work b...; 关键词：Level set third variation

An Improved Coupled Level Set and Continuous Moment-of-Fluid Method for Simulating Multiphase Flows with Phase Change: 《Communications on Applied Mathematics and Computation》2024年第2期1034-1069,共36页Zhouteng Ye Cody Estebe Yang Liu Mehdi Vahab Zeyu Huang Mark Sussman Alireza Moradikazerouni Kourosh Shoele Yongsheng Lian Mitsuhiro Ohta M.Yousuff Hussaini; supported by the National Aeronautics and Space Administration under grant number 80NSSC20K0352.; An improved algorithm for computing multiphase flows is presented in which the multimaterial Moment-of-Fluid(MOF)algorithm for multiphase flows,initially described by Li et al.(2015),is enhanced addressing existing MO...; 关键词：Moment-of-Fluid(MOF) Surface tension Two phase flow Phase change Deforming boundaries with change(s)in topology Two-dimensional(2D) Three-dimensional(3D)axisymmetric 3D

基于高阶间断伽辽金方法的两相流数值模拟: 《南京航空航天大学学报》2024年第2期273-280,共8页黄健健欧阳文轩吕宏强; 基于高阶间断伽辽金方法对可压缩两相流问题进行了数值求解。计算区域采用非结构网格划分,对于欧拉方程以及Level Set方程分别使用牛顿法以及龙格库塔方法进行迭代求解,并通过统一算法进行数据交换,实现统一框架下Level Set方程在可压...; 关键词：间断伽辽金可压缩流场两相流 Level Set 界面捕捉

A Hybrid Level Set Optimization Design Method of Functionally Graded Cellular Structures Considering Connectivity: 《Computers, Materials & Continua》2024年第4期1-18,共18页Yan Dong Kang Zhao Liang Gao Hao Li; the National Key Research and Development Program of China(Grant Number 2021YFB1714600);the National Natural Science Foundation of China(Grant Number 52075195);the Fundamental Research Funds for the Central Universities,China through Program No.2172019kfyXJJS078.; With the continuous advancement in topology optimization and additive manufacturing(AM)technology,the capability to fabricate functionally graded materials and intricate cellular structures with spatially varying micr...; 关键词：Hybrid level set method functionally graded cellular structure CONNECTIVITY interpolated transition optimization design

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