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Numerical simulation of nozzle's flow field based on mixed implicit iteration-analysis algorithm for two equation turbulence model

  • Haiyang Hu*
  • , Peng Bai
  • *Corresponding author for this work
  • Chinese Academy of Aerospace and Aeronautics

Research output: Contribution to journalArticlepeer-review

Abstract

The flux modification of Harten's second-order TVD scheme, coupled with implicit iteration-analysis algorithm, is employed to overcome the computational stiffness of k-ε turbulence model. Internal flow field of an axisymmetric nozzle and internal-external flow field of a two-dimensional nozzle are simulated to confirm the improvement of calculation efficiency by the above methods when using improved multigrid strategy. The calculation results are compared with experimental data.

Original languageEnglish
Pages (from-to)646-652
Number of pages7
JournalLixue Xuebao/Chinese Journal of Theoretical and Applied Mechanics
Volume43
Issue number4
StatePublished - Jul 2011
Externally publishedYes

Keywords

  • Multigrid
  • Numerical simulation
  • Stiffness
  • Two equation turbulence model
  • Two-dimensional nozzle

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