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The Theory and Applications of the SMIF Method for Correct Mathematical Modeling of the Incompressible Fluid Flows

  • Valentin Gushchin
  • Pavel MatyushinEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9045)

Abstract

For solving of the Navier-Stokes equations describing the incompressible viscous fluid flows the Splitting on physical factors Method for Incompressible Fluid flows (SMIF) with hybrid explicit finite difference scheme (second-order accuracy in space, minimum scheme viscosity and dispersion, capable for work in the wide range of Reynolds (Re) and internal Froude (Fr) numbers and monotonous) based on the Modified Central Difference Scheme (MCDS) and the Modified Upwind Difference Scheme (MUDS) with a special switch condition depending on the velocity sign and the signs of the first and second differences of the transferred functions has been developed and successfully applied. At the present paper the description of the numerical method SMIF and its applications for simulation of the 3D separated homogeneous and density stratified fluid flows around a sphere and a circular cylinder are demonstrated.

Keywords

Direct numerical simulation Viscous fluid Visualization of the vortex structures Flow regime Sphere Cylinder 

Notes

Acknowledgments

This work has been partly supported by Russian Foundation for Basic Research (grants No. \(13-01-92696, 14-01-00428\)), by the programs of the Presidium of RAS No. 15, 18 and by the program No. 3 of the Department of Mathematical Sciences of RAS.

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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  1. 1.Institute for Computer Aided Design of the Russian Academy of SciencesMoscowRussia

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