基于非结构化网格的物质点法研究

来源 :第二届无网格与粒子类方法研讨会 | 被引量 : 0次 | 上传用户：ttjjyy88

【摘要】

：

　　有限元法的计算网格始终与物体固连,而标准物质点法的背景网格只在每个时间步和物体固连,每个时间步结束时,将丢弃已变形的背景网格[1] 。由于标准物质点法中物体边界与

【作者】

：

倪锐晨张雄

【机构】

：

清华大学航天航空学院,北京,100084

【出处】

：

第二届无网格与粒子类方法研讨会

【发表日期】

：

2018年8期

【关键词】

：

标准物质点法非结构化网格边界条件畸变网格松弛

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

　　有限元法的计算网格始终与物体固连,而标准物质点法的背景网格只在每个时间步和物体固连,每个时间步结束时,将丢弃已变形的背景网格[1] 。由于标准物质点法中物体边界与背景网格并不重合,导致边界条件难以施加。因此,Cortis[2] 等人通过提出一种隐式算法来解决任意倾斜边界处非零本质边界条件的施加问题。

其他文献

A Mesoporous Nano-Sized Spinel Cobalt Ferrite as an efficient catalyst for Hydrogen Evolution Reacti

　　The improvement of highly active,cost-effective and long-lived electrocatalyst is essential for the understanding the usefulness of hydrogen evolution.A mes

会议

Crystal structure and the third-order nonlinear optical properties of a Co(II)coordination polymer

　　The present paper reports a novel coordination polymer [Co(H2O)2(1,2-BIB)2][Co(DBS)(1,2-BIB)]2·7H2O(1,2-BIB = 1,2-bis((1H-imidazol-1-yl)methyl)benzene,H2DB

会议

Crystal structurecoordination polymerthird-order optical propertyZ-scan

V掺杂BiPO4光催化剂改性的理论研究

　　BiPO4 是一种新型半导体光催化剂,因禁带宽度大,导致其光催化活性差。论文通过V 原子取代方式来减小BiPO4 禁带宽度以此提高其对可见光的吸收。利用Materials Studio 软

会议

Structure and third-order nonlinear optical properties of a Ni(Ⅱ)coordination polymer based on bis(i

　　We reported a Ni(Ⅱ)coordination polymer with one-dimensional chain structure,namely [Ni(1,2-BIB)(SDA)]·4H2O(1,2-BIB = 1,2-bis((1H-imidazol-1-yl)methyl)ben

会议

Crystal structureZ-scanthird order optical propertycoordination polymer

Ag20TiO2 nanocomposite with enhanced visible light photocatalytic activity

　　The transformation of solar energy has been a vital issue to photocatalysis in sustanable chemistry.Recently,remarkable advances in solution-phase synthesis

会议

Preparation of CdS-SrTiO3-TiO2 Composites and Study on Their Photoelectrocatalysis Properties

　　The electrochemical workstations were used to characterize their optoelectronic properties.From a series of characterization results,we can see that the syn

会议

Sol-gel methodhydro-thermal methodTiO2SrTiO3CdS

Solvent-dependent formation of two Pb(Ⅱ)coordination polymers based on 4,4′-azodibenzoic acid linker

　　Solvothermal reactions of Pb(OAc)2·2H2O with 4,4-azodibenzoic acid(H2L)in DMSO(DMSO = dimethyl sulfoxide)and DMF/H2O(DMF = N,N-dimethylformamide)at 90°C g

会议

Synthesis and Structure of Sandwich-type Tungstobismutates with the Nickel

　　Polyoxometalates(POMs)have generated substantial interest in recent years because of their structural variety and exciting properties.To synthesize novel po

会议

POMstungstobismutateKrebs-type

The crystal structure,photocatalytic property of a new three-dimensional Cd(Ⅱ)-based metal-organic f

　　Solvothermal reactions of Cd(OAc)2·2H2O with 1,4-bis[(pyridin-3-yl)methoxy]benzene(bpmb)and benzene-1,2-dicarboxylic acid(H2L)in MeOH/H2O at 165°C gave ri

会议

糠醛在催化剂作用下一步合成环戊酮

　　Cyclopentanone is a very important chemical organic matter,widely used in solvents,pharmaceuticals,spices,pesticides and synthetic rubber.In this paper,the

会议

CyclopentanoneCatalyticagenttemperatureprogrammedreductionCharacterization

基于非结构化网格的物质点法研究

与本文相关的学术论文