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The computation of unsteady compressible gas flows in the one-dimensional approximation is a visual tool for assessing the capabilities of numerical algorithms. At present, there are numerous examples of solutions to multidimensional problems that are used to compare numerical methods. However, the accuracy of the solution in such computations is generally determined not only by the numerical algorithm used but also by other factors, such as the structure of the spatial grid, the formulation of boundary conditions, and other circumstances that hamper the comparison of numerical algorithms. Additionally, a detailed theoretical analysis is available for one-dimensional inviscid gas flows, and self-similar solutions to Riemann problems for the Euler equations are known [1, 2], which serve as a reliable reference for verifying the accuracy and convergence of numerical solutions.

Erratum to: “Capabilities of a Quasi-Gasdynamic Algorithm as Applied to Inviscid Gas Flow Simulation”