Advertisement

An implicit-explicit flux vector splitting scheme for hypersonic thermochemical nonequilibrium flows

  • Satoru Yamamoto
  • Hideo Nagatomo
  • Hisaaki Daiguji
3. Numerical Methods and Algorithms d) Euler/Navier-Stokes Equations
Part of the Lecture Notes in Physics book series (LNP, volume 453)

Abstract

An implicit-explicit flux vector splitting scheme which can be used in both explicit and implicit calculations is proposed and applied to a hypersonic thermochemical nonequilibrium flow problem. Since the consistency of these calculations must be remarkably good, the effort to make the present computational code has been greatly reduced. In this paper, consequently the numerical algorithm of the present scheme is weightedly explained.

Keywords

Flux Vector Hypersonic Flow Stagnation Line Thermal Nonequilibrium Flux Vector Splitting 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. [1]
    Gnoffo, P.A., McCandless, R.S. and Yee, H.C., “Enhancements to Program Laura for Computation of Three-Dimensional Hypersonic Flow,” AIAA Peper 87-0280 (1987).Google Scholar
  2. [2]
    Candler, G., “The Computation of Weakly Ionized Hypersonic Flows in Thermochemical Nonequilibrium,” Ph.D Thesis, Stanford University, (1988).Google Scholar
  3. [3]
    Park, C. and Yoon, S., “Fully Coupled Implicit Method for Thermochemical Nonequilibrium Air at Suborbital Flight Speeds.,” J. Spacecraft and Rockets, Vol.28, No.1 (1991), pp.31–39.Google Scholar
  4. [4]
    Imlay, S.T. and Eberhardt, S., “Nonequilibrium Thermo-Chemical Calculations using a Diagonal Implicit Scheme,” AIAA Peper 91-0468 (1991).Google Scholar
  5. [5]
    Daiguji, S., Yamamoto, S. and Ishizaka, K., “Numerical Simulation of Supersonic Mixing Layers Using a Fourth-Order Accurate Shock Capturing Scheme,” Proc. of the 13th International Conf. on Numerical Methods in Fluid Dynamics-Oxford, Lecture Notes in Phys., 414 (1992), pp.315–319, Springer-Verlag.Google Scholar
  6. [6]
    Yamamoto, S. and Daiguji, S., “Higher-Order-Accurate Upwind Schemes for Solving the Compressible Euler and Navier-Stokes Eghations,” J. Compu. & Fluids, Vol.22, No.2/3 (1993), pp.259–270.Google Scholar

Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • Satoru Yamamoto
    • 1
  • Hideo Nagatomo
    • 1
  • Hisaaki Daiguji
    • 1
  1. 1.Dept. of Aeronautics and Space EngineeringTohoku UniversitySendaiJapan

Personalised recommendations