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使用高格式数值模拟腔内亚跨声速流
Alternative TitleSubsonic-Transonic Flows over Cavities Using Gao’s Scheme
李明军; 朱可
Source Publication湘潭大学自然科学学报
2011-03-15
Volume33Issue:1Pages:1-6
ISSN1000-5900
Abstract把一阶迎风有限体积格式的高算法重构格式——高的迎风有限体积格式(GUVS)与不可压缩流和可压缩流SIMPLE算法相结合,数值模拟了各种宽深比的亚跨声速腔内流动.利用六阶高迎风有限体积格式(GUVS)在结构和非结构同位网格上模拟不同宽深比亚跨声速腔体流动,获得较好的数值结果.例如亚声速方腔流动的数值结果与Ghia等用多重网格技术获得的Benchmark解吻合得非常好;对不同宽深比腔内流动,数值模拟了大尺度漩涡、腔角小尺度漩涡的形成、分岔、破碎和边界层分离等演化情况,表明六阶精度GUVS具有分辨率高、稳定性好的良好性能.
Other AbstractSome subsonic-transonic flows in cavities with different ratio of length to depth are simulated numerically using Gao’s upwind finite-volume schemes(GUVS) coupling with compressible and incompressible SIMPLE algorithm in this paper.GUVS is product of reconstructing first-order upwind finite volume scheme by Gao’s algorithm.Some subsonic-transonic flows in cavities with different ratio of length to depth are simulated numerically using Gao’s sixth-order upwind FV scheme on structured and unstructured collocated grids.Some excellent numerical results are obtained.For example,the numerical results for subsonic flows in rectangle cavity(i.e.lid-driven cavity flows) quite well agree with the benchmark solutions given by Ghia etal using multigrid technique,and flow characteristics of subsonic-transonic flows in cavities with different ratio of length to depth are also presented.Excellent properties of GUVS are proved by analysis and numerical tests. 更多
Keyword计算流体力学 腔内流动 有限体积格式
Subject Area力学
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Indexed ByCSCD
Language中文
Funding Organization湖南省高校科技创新团队项目;湖南省教育厅优秀青年项目(08B083);教育部留学回国人员启动基金项目(教外司留[2009]1341)
CSCD IDCSCD:4206041
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45205
Collection高温气体动力学国家重点实验室
Corresponding Author李明军
Recommended Citation
GB/T 7714
李明军,朱可. 使用高格式数值模拟腔内亚跨声速流[J]. 湘潭大学自然科学学报,2011,33(1):1-6.
APA 李明军,&朱可.(2011).使用高格式数值模拟腔内亚跨声速流.湘潭大学自然科学学报,33(1),1-6.
MLA 李明军,et al."使用高格式数值模拟腔内亚跨声速流".湘潭大学自然科学学报 33.1(2011):1-6.
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