Keywords: MacCormack scheme
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Open-source one-dimensional modelling of piston-effect pressure waves in high-speed railway tunnels: verification, benchmarking against 3D CFD and single-train design-load screening

Tung Doan
Journal: Railway Sciences
Railway Sciences 1–20.
https://doi.org/10.1108/RS-08-2026-0068
Published: 01 October 2026
... the limits of its predictive capability. Design/methodology/approach The train is represented as a moving cross-sectional-area blockage in the quasi-one-dimensional compressible Euler equations, discretised with a second-order MacCormack scheme. The solver is verified against the analytical entry-wave...
View article titled, Open-source one-dimensional modelling of piston-effect pressure waves in high-speed railway tunnels: verification, benchmarking against 3D CFD and single-train design-load screening
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Includes: Supplementary data
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