云南高校图书馆联盟文献共享服务平台- LEVEL-SET

LEVEL-SET: 作品数：48被引量：113H指数：6; 导出分析报告; 相关领域：自动化与计算机技术理学更多>>; 相关作者：方智勇赵兰浩李同春张学莹任洪娥更多>>; 相关机构：南京航空航天大学河海大学北京理工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中央高校基本科研业务费专项资金创新研究群体科学基金更多>>

Level-Set-Based Topology Optimization of a Geometrically Nonlinear Structure Considering Thermo-mechanical Coupling Effect: 《Acta Mechanica Solida Sinica》2025年第1期100-114,共15页Sujun Wang An Xu Ruohong Zhao; supported by grants from the National Natural Science Foundation of China (51478130);the Guangzhou Municipal Education Bureau’s Scientific Research Project, China (2024312217);the China Scholarship Council (201808440070);the 111 Project of China (D21021).; This paper presents an improved level set method for topology optimization of geometrically nonlinear structures accounting for the effect of thermo-mechanical couplings.It derives a new expression for element couplin...; 关键词：Topology optimization Geometric nonlinearity Thermo-mechanical coupling effect Level set method Multiple constraints

Solute drag-controlled grain growth in magnesium investigated by quasi in-situ orientation mapping and level-set simulations被引量：1: 《Journal of Magnesium and Alloys》2023年第7期2312-2325,共14页Risheng Pei Yujun Zhao Muhammad Zubair Sangbong Yi Talal Al-Samman; support of the Deutsche Forschungsgemeinschaft(DFG),Grant no.AL 1343/7–1,AL 1343/8–1,Yi 103/3–1。; Critical properties of metallic materials,such as the yield stress,corrosion resistance and ductility depend on the microstructure and its grain size and size distribution.Solute atoms that favorably segregate to grai...; 关键词：Magnesium alloys Grain growth Quasi in-situ EBSD Level-set simulation Solute drag Dislocation density gradient

CFD Simulation of a container ship in random waves using a coupled level-set and volume of fluid method被引量：1: 《Journal of Hydrodynamics》2023年第2期222-231,共10页Hamn-Ching Chen Chia-Rong Chen; This work was supported by the Ocean Systems Simulation and Control Laboratory(OSSCL)Consortium.; The coupled level-set and volume of fluid(CLSVOF)method is an advanced interface-capturing method that has been extended to handle overset grid systems.However,artificial uneven interface may be observed across block ...; 关键词：Computational fluid dynamics(CFD) couple level-set and volume of fluid(CLSVOF)method random waves overset grid system violent free surface flow bow and stern slamming

迎角对扑翼运动气动性能影响的高性能数值研究被引量：1: 《空气动力学学报》2022年第5期50-60,共11页祝衔琦孙祥程王娴; 国家数值风洞工程(NNW)。; 为了设计更高效、高机动性的扑翼飞行器,需要对扑翼运动机理进行细致的动力学研究。其中,迎角是影响扑翼运动气动性能的关键因素。本文结合格子Boltzmann法与Level-Set动边界识别法,建立了含有动边界的流场模拟方法,并采用GPU加速,数值...; 关键词：扑翼运动迎角格子Boltzmann方法 LEVEL-SET GPU加速翼尖涡前缘涡

基于Faster-RCNN和Level-Set的桥小脑角区肿瘤自动精准分割被引量：1: 《波谱学杂志》2021年第3期381-391,共11页刘颖郭伊云陈静聪章浩伟; 微创励志创新基金资助项目(193832381)。; 桥小脑角区(CPA)肿瘤的精准分割在手术治疗、放疗中有重要影响,本文结合更快速区域卷积神经网络(Faster-RCNN)和水平集(Level-Set)方法对CPA肿瘤的自动分割进行了研究.首先,采集317名CPA肿瘤患者的T1WI-SE序列磁共振图像,使用基于Faster...; 关键词：更快速区域卷积神经网络(Faster-RCNN) 水平集(Level-Set) 图像分割桥小脑角区肿瘤

A CAD-compatible body-fitted particle generator for arbitrarily complex geo-metry and its application to wave-structure interaction被引量：5: 《Journal of Hydrodynamics》2021年第2期195-206,共12页Yujie Zhu Chi Zhang Yongchuan Yu Xiangyu Hu; the National Natural Science Foundation of China(Grant No.91952110);the Deutsche Forschungsgemeinschaft under(Grant Nos.DFG HU 1572/10-1,DFG HU1527/12-1).; Generating body-fitted particle distribution for arbitrarily complex geometry underpins the applications of particle-based method to engineering and bioengineering and is highly challenging,and thus hinders the potent...; 关键词：CAD-compatible body-fitted PARTICLE distribution LEVEL-SET

Normal and abnormal grain growth in magnesium:Experimental observations and simulations: 《Journal of Materials Science & Technology》2020年第15期257-270,共14页Risheng Pei Sandra Korte-Kerzel Talal Al-Samman; financial support from the Chinese Scholarship Council (CSC)。; Commercial purity as-cast magnesium was hot rolled and subsequently annealed at different temperatures in order to investigate its grain growth behavior and link it to the texture evolution.Annealing at an intermediat...; 关键词：Pure magnesium Grain growth TEXTURE Dislocation density gradient Level-set modeling

基于Level-Set法的有限元非饱和渗流方法在黄壁庄水库中的应用被引量：2: 《水利水电技术》2020年第3期67-72,共6页管策赵兰浩张海容李同春; 国家重点研发计划(2018YFC0407102)。; 针对传统非饱和渗流分析方法中忽略气相作用而导致无法处理气相参与的含自由面渗流这一问题,建立了一种耦合Level-Set法的有限元非饱和渗流分析方法。该方法基于有限元非饱和渗流分析理论,利用Level-Set方法隐式地捕捉自由界面,考虑了...; 关键词：渗流自由面可压缩性 LEVEL-SET 水气两相

坝前冒泡现象的水气两相运移机理数值模拟被引量：6: 《水科学进展》2020年第1期91-101,共11页赵兰浩管策张海容李同春; 国家重点研发计划资助项目(2018YFC0407102)~~; 为分析黄壁庄水库在库水位骤升后出现冒泡现象的原因,保障水库安全运行,建立了一种耦合Level-Set法的含自由面渗流分析方法。该方法考虑了入渗过程中的气相可压缩性,能够直观地反映多孔介质中水气两相界面的运动与融合,可求解常规方法...; 关键词：水库冒泡可压缩性 LEVEL-SET 水气两相

Automated segmentation of intraretinal cystoid macular edema based on Gaussian mixture model: 《Journal of Innovative Optical Health Sciences》2020年第1期35-47,共13页Jinghong Wu Sijie Niu Qiang Chen Wen Fan Songtao Yuan Dengwang Li; This work was supported by the National Natural Science Foundation of China(NSFC)(Grant Nos.61701192,61471226 and 61671242);the Natural Science Foundation of Shandong Province,China(Youth Fund Project)under Grant No.ZR2017QF004;Natural Science Foundation of Shandong Province(Grant Nos.JQ201516 and 2018GGXl 01018);the Taishan scholar project of Shandong Province(No.tsqn2016023);Fundamental Research Funds for the Central University(30920140111004);the China Postdoctoral Science Foundation(No.2017M612178).; We introduce a method based on Gaussian mixture model(GMM)clustering and level-set to automatically detect intraretina fluid on diabetic retinopathy(DR)from spectral domain optical coherence tomography(SD-OCT)images i...; 关键词：Gaussian mixture model LEVEL-SET spectral domain optical coherence tomography(SD-OCT) SEGMENTATION

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