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Based on the general LS method, an improved LS method for capturing compressible fluid with multi-interface interactions is given. This method can decrease the void region near the multi-interactions point, but not change the others. Both the LS equations capturing the material interface quality and the Eulerian conservative equations are solved by using a high resolution unspliting finite volume scheme, and fifth order WENO scheme for re-initialization level set equations. Some examination and application examples in capturing conjunct multi-fluid interfaces cases are simulated.

, authors=Jing-Song BAI, Sen-Hua CHEN, authorsList=Jing-Song BAI, Sen-Hua CHEN, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1323358070075696082, articleId=1323358069731763152, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=一种捕捉可压缩流体多重交汇界面的改进型LS方法, columnId=null, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

在普通Level Set(LS)方法基础上,给出了一种捕捉多重交汇界面的改进型LS方法,该方法能够大大减小多重交汇界面之间因光滑而产生的空穴区域,而不影响多重交汇以外区域的界面位置。同时对改进算法进行了测试,并与可压缩流体耦合,给出了多介质流体多重交汇界面的计算结果。

, authors=柏劲松, 陈森华, authorsList=柏劲松, 陈森华, authorCompany=null, correspAuthors=null, authorNote=

柏劲松(1968—),男,博士,副研究员,主要研究方向:计算爆炸力学和计算流体力学方面的理论和数值模拟.

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柏劲松(1968—),男,博士,副研究员,主要研究方向:计算爆炸力学和计算流体力学方面的理论和数值模拟.

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柏劲松(1968—),男,博士,副研究员,主要研究方向:计算爆炸力学和计算流体力学方面的理论和数值模拟.

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Level Set Methods Applied to Modeling Detonation Shock Dynamics[J]. J Comput Phys, 1996, 126: 390-409., articleTitle=null, refAbstract=null), Reference(id=1323358098848620824, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1323358069731763152, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[2], rfOrder=1, authorNames=null, journalName=null, refType=null, unstructuredReference=Chen S H, Zhang X, Bai J S. LS Method in Boddy-Fitted Coordinate System for Multi-Dimensional Non-Ideal Detonation Propagation[J]. Chinese Journal of High Pressure Physics, 2000, 14(4): 280-284. 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一种捕捉可压缩流体多重交汇界面的改进型LS方法
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柏劲松 , 陈森华
高压物理学报 | 2003,17(4): 268-274
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高压物理学报 | 2003 , 17 (4) : 268 -274
一种捕捉可压缩流体多重交汇界面的改进型LS方法
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柏劲松, 陈森华
作者信息
  • 中国工程物理研究院流体物理研究所,四川 绵阳 621900
作者简介:

柏劲松(1968—),男,博士,副研究员,主要研究方向:计算爆炸力学和计算流体力学方面的理论和数值模拟.

Improved LS Method for Capturing Compressible Fluid with Multi-Interface Interactions
Jing-Song BAI, Sen-Hua CHEN
Affiliations
  • Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2003-12-05
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在普通Level Set(LS)方法基础上,给出了一种捕捉多重交汇界面的改进型LS方法,该方法能够大大减小多重交汇界面之间因光滑而产生的空穴区域,而不影响多重交汇以外区域的界面位置。同时对改进算法进行了测试,并与可压缩流体耦合,给出了多介质流体多重交汇界面的计算结果。

LS方法  /  可压缩多介质流  /  Euler界面跟踪

Based on the general LS method, an improved LS method for capturing compressible fluid with multi-interface interactions is given. This method can decrease the void region near the multi-interactions point, but not change the others. Both the LS equations capturing the material interface quality and the Eulerian conservative equations are solved by using a high resolution unspliting finite volume scheme, and fifth order WENO scheme for re-initialization level set equations. Some examination and application examples in capturing conjunct multi-fluid interfaces cases are simulated.

Level Set method  /  compressible multi-fluid  /  Euler interface capture
柏劲松, 陈森华. 一种捕捉可压缩流体多重交汇界面的改进型LS方法. 高压物理学报, 2003 , 17 (4) : 268 -274 .
Jing-Song BAI, Sen-Hua CHEN. Improved LS Method for Capturing Compressible Fluid with Multi-Interface Interactions[J]. Chinese Journal of High Pressure Physics, 2003 , 17 (4) : 268 -274 .

参考文献 引证文献
排序方式:
[1]
Aslam T D, Bdzil J B, Stewart D S. Level Set Methods Applied to Modeling Detonation Shock Dynamics[J]. J Comput Phys, 1996, 126: 390-409.
[2]
Chen S H, Zhang X, Bai J S. LS Method in Boddy-Fitted Coordinate System for Multi-Dimensional Non-Ideal Detonation Propagation[J]. Chinese Journal of High Pressure Physics, 2000, 14(4): 280-284. (in Chinese)
陈森华, 张旭, 柏劲松. 贴体坐标系中多维非理想爆轰波阵面传播计算的LS方法[J]. 高压物理学报, 2000, 14(4): 280-284.
[3]
Chang Y C, Hou T Y, Merriman B, et al. A Level Set Formulation of Eulerian Interface Capturing Methods for Incompressible Fluid Flows[J]. J Comput Phys, 1996, 124: 449-464.
[4]
Bai J S, Chen S H. Re-Initial Level Set Method for Capturing 2D Compressible Multi-Fluid Interfaces[J]. Chinese Journal of High Pressure Physics, 2003, 17(1): 22-28. (in Chinese)
柏劲松, 陈森华. 重新初始化的LS方法跟踪二维可压缩多介质流界面运动[J]. 高压物理学报, 2003, 17(1): 22-28.
[5]
Aslam T D. A Level Set Algorithm Tracking Discontinuities in Hyperbolic Conservation Laws Ⅰ: Scalar Equations[R]. LA-UR-98-2194, 1998.
2003年第17卷第4期
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  • 接收时间:2002-09-27
  • 首发时间:2026-10-31
  • 出版时间:2003-12-05
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  • 收稿日期:2002-09-27
  • 修回日期:2002-11-07
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    中国工程物理研究院流体物理研究所,四川 绵阳 621900
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