activity
20212026
most citedQuasi-linear analysis of dispersion relation preservation for nonlinear schemes

1 citations · 3 across the 9 of their papers we have counts for

collaborators

9 papers

physics.flu-dyn2026

Comparative study of equilibrium and non-equilibrium predictions by different models for a hypersonic cone at high-altitude

Mengyu Wang, Pan Yan, Qin Li +3

Targeting a cone with the half-angle as 10-deg at M = 27 and H = 72 km, simulations were conducted comparatively to analyze the predictions by different equilibrium and non-equilib…

physics.flu-dyn2025

Numerical study of friction reduction and underlying mechanism of air film via parallel and tandem injections on a hypersonic flat plate at high altitude

Xiuzheng Cheng, Mengyu Wang, Qin Li +3

This study uses numerical simulations to analyze a flat-plate with air films generated via parallel and tandem injections under freestream conditions of Ma=15 at an altitude of H=6…

math.NA2025

Accuracy analysis and optimization of scale-independent third-order WENO-Z scheme with critical-point accuracy preservation

Yunchuan Wu, Xiuzheng Cheng, Yi Duan +4

To address the order degradation at critical points in the WENO3-Z scheme, some improvements have been proposed , but these approaches generally fail to consider the occurrence of…

physics.flu-dyn2025

Evolution and sudden change of steady interactions of low enthalpy hypersonic double wedge flows with fore angle

Yihui Weng, Yi Duan, Qin Li +4

The evolution and sudden change of steady interaction structures is numerically studied with the fore wedge angle theta_1 in a low enthalpy hypersonic double wedge configuration. I…

physics.flu-dyn2024★ 1 cited

Numerical studies on steady interaction of low enthalpy hypersonic double wedge flows using different gas models

Qin Li, Y Wang, Yihui Weng +5

Numerical investigations and analyses are carried out particularly on the steady interactions of low enthalpy hypersonic 30-55-deg double wedge configuration at conditions similar…

cs.CE2022

Improvements to enhance robustness of third-order scale-independent WENO-Z schemes

Qin Li, Xiao Huang, Pan Yan +3

Although there are many improvements to WENO3-Z that target the achievement of optimal order in the occurrence of the first-order critical point (CP1), they mainly address resoluti…

math.NA2021★ 1 cited

Quasi-linear analysis of dispersion relation preservation for nonlinear schemes

Fengyuan Xu, Pan Yan, Qin Li +1

In numerical simulations of complex flows with discontinuities, it is necessary to use nonlinear schemes. The spectrum of the scheme used have a significant impact on the resolutio…

math.NA2021

Third-order scale-independent WENO-Z scheme achieving optimal order at critical points

Qin Li, Xiao Huang, Pan Yan +1

As we found previously, when critical points occur within grid intervals, the accuracy relations of smoothness indicators of WENO-JS would differ from that assuming critical points…

math.NA2021★ 1 cited

On developing piecewise rational mapping with fine regulation capability for WENO schemes

Qin Li, Pan Yan, Xiao Huang +2

On the idea of mapped WENO-JS scheme, properties of mapping methods are analyzed, uncertainties in mapping development are investigated, and new rational mappings are proposed. Bas…