e/Roe solver

Information
has gloss	eng: The Roe approximate Riemann solver, devised by Phil Roe, is an approximate Riemann solver based around the Godunov scheme and involves finding an estimate for the intercell numerical flux or Godunov flux F_i + \frac1}2}} at the interface between two computational cells U_i} and U_i+1}, on some discretised space-time computational domain.
lexicalization	eng: Roe solver
instance of	c/Hyperbolic partial differential equations