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粘性不可压流体三维CBS算法有限元模拟 被引量：1

Finite Element Simulation of Three Dimension CBS Procedures for Incompressible Viscous Flows
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摘要 基于特征线理论的分离变量算法,编制了三维四面体CBS(Characteristic-Based Split)算法程序,讨论了CBS算法中的半隐式和显式算法,通过数值算例验证了显式和半隐式算法的稳定性和精度. Based on simple Characteristic-Galerkin,a three dimension program of CBS scheme was developed and the explicit and semi-implicit scheme was discussed.Numerical examples were presented and the comparison of explicit and semi-implicit for incompressible viscous flows were also given in this paper.
作者 韩向科 安新 于猛
机构地区 同济大学土木工程学院
出处 《佳木斯大学学报（自然科学版）》 CAS 2009年第6期804-806,共3页 Journal of Jiamusi University：Natural Science Edition
关键词 有限元 四面体单元 CBS算法 finite element method tetrahedron element CBS scheme
分类号 O241.82 [理学—计算数学]
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参考文献9

  • 1P. Nithiamsu, R. Codina,O.C. Zienkiewicz. The Characteristic- Based Split(CBS)scheme - A Unified Approach to Fluid Dynamics [J]. Intematioual Journal For Numerical Methods In Engineering. 2006; 66:1514 - 1546.
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  • 3Childs PN, Mortan KW'. Characteristic Galerkin Methods for Scalar Conservation Laws in One Dimension[J]. SIAM Journal on Numerical Analysis 1990;27:553- 594.
  • 4Zienkiewicz O.C, Taylor RL. The Finite Element Method for Fluid Dynamics(5th edn)[M]. Elsevier:Amsterdam,2000.
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  • 8Nithiarazu P. A fully Explicit Characteristic Based Split (CBS) Scheme for Viscoelastic Flow Calculations[J]. Internatlonal Journal for Numerical Methods in Engineering. 2004;60:949- 978.
  • 9Ghia U, Ghla KN, Shin CT. High - Re Solutions for Incompressible ow Using the Navier Stokes Equations and Multigrid Method [ J ]. Journal of Computational Physics 1982;48:387- 411.

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佳木斯大学学报（自然科学版）
2009年 第6期

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