An iterative Riemann solver for relativistic hydrodynamics

Wenlong Dai, Paul R Woodward

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


An approximate method for solving the Riemann problem is needed to construct Godunov schemes for relativistic hydrodynamical equations. Such an approximate Riemann solver is presented in this paper which treats all waves emanating from an initial discontinuity as them-selves discontinuous. Therefore, jump conditions for shocks are approximately used for rarefaction waves. The solver is easy to implement in a Godunov scheme and converges rapidly for relativistic hydrodynamics. The fast convergence of the solver indicates the potential of a higher performance of a Godunov scheme in which the solver is used.

Original languageEnglish (US)
Pages (from-to)982-995
Number of pages14
JournalSIAM Journal on Scientific Computing
Issue number4
StatePublished - Jul 1997


  • Godunov scheme
  • Relativistic flows
  • Riemann problem
  • Shock


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