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The theoretical research of basic function method in incompressible viscous flow and its simulations in three-dimensional aneurysms
Shen, F.; Wu, W. Y.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationScience in China Series G-Physics Mechanics & Astronomy
2009
Volume52Issue:6Pages:909-918
ISSN1672-1799
Language英语
KeywordBasic Function Unstructured Grid Aneurysm Viscous Incompressible Flow Artificial Compressibility Flux Splitting Generation
AbstractBasic function method is developed to treat the incompressible viscous flow. Artificial compressibility coefficient, the technique of flux splitting method and the combination of central and upwind schemes are applied to construct the basic function scheme of trigonometric function type for solving three-dimensional incompressible Navier-Stokes equations numerically. To prove the method, flows in finite-length-pipe are calculated, the velocity and pressure distribution of which solved by our method quite coincide with the exact solutions of Poiseuille flow except in the areas of entrance and exit. After the method is proved elementary, the hemodynamics in two- and three-dimensional aneurysms is researched numerically by using the basic function method of trigonometric function type and unstructured grids generation technique. The distributions of velocity, pressure and shear force in steady flow of aneurysms are calculated, and the influence of the shape of the aneurysms on the hemodynamics is studied.
Indexed BySCI
Funding Project中国科学院空间科学与应用研究中心
Document Type期刊论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1132
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Shen, F.,Wu, W. Y.,北京8701信箱. The theoretical research of basic function method in incompressible viscous flow and its simulations in three-dimensional aneurysms[J]. Science in China Series G-Physics Mechanics & Astronomy,2009,52(6):909-918.
APA Shen, F.,Wu, W. Y.,&北京8701信箱.(2009).The theoretical research of basic function method in incompressible viscous flow and its simulations in three-dimensional aneurysms.Science in China Series G-Physics Mechanics & Astronomy,52(6),909-918.
MLA Shen, F.,et al."The theoretical research of basic function method in incompressible viscous flow and its simulations in three-dimensional aneurysms".Science in China Series G-Physics Mechanics & Astronomy 52.6(2009):909-918.
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