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Interview archives: Building in-depth scientific understanding and cultivating strategic scientists Jie LIU, Shuo HUANG, Hongbo CAI Chinese Journal of Computational Physics    2023, 40 (2): 128-135.   Abstract （354）   HTML （46）    PDF （1075KB）（961）       Knowledge map    Related Articles | Metrics

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汤涛 Chinese Journal of Computational Physics    2023, 40 (1): 4-13.   DOI: 10.19596/j.cnki.1001-246x.8620 Abstract （285）   HTML （22）    PDF （6919KB）（668）       Knowledge map    Table and Figures | Related Articles | Metrics

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Jie LIU, Shuo HUANG Chinese Journal of Computational Physics    2022, 39 (5): 505-509.   Abstract （509）   HTML （50）    PDF （1119KB）（1188）       Knowledge map    Related Articles | Metrics

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Interview archives: The world as I see it Jie LIU, Shuo HUANG, Wenjuan LYU, Ying YUE Chinese Journal of Computational Physics    2021, 38 (3): 253-256.   Abstract （752）   HTML （244）    PDF （2903KB）（1575）       Knowledge map    Reference | Related Articles | Metrics

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A Multi-material Five-equation-reduced Model and Artificial Compression Method for Interface Capture Chuang XUE, Xingdong LI, Wenjun SUN, Wenhua YE, Xianjue PENG Chinese Journal of Computational Physics    2021, 38 (3): 257-268.   DOI: 10.19596/j.cnki.1001-246x.8248 Abstract （571）   HTML （1083422）    PDF （8825KB）（1538）       Knowledge map    The volume fraction equations of five-equation-reduced model were studied and numerical scheme was developed in two-dimensional Eulerian frame in planar and cylindrical geometry. To capture material interfaces, Yang's slope modification of artificial compression method was adopted in MUSCL, PPM and WENO type data reconstruction processes. HLLC-HLLCM hybrid flux was applied in Godunov type scheme to avoid numerical shock instability. For multi-material Riemann problems, numerical results show that the scheme captures shock and contact discontinuities with non-oscillatory character. No numerical shock instabilities growing shows as small perturbations was adding on initial physical variables. SOD problems in cylindrical and spherical geometries and contact-type two-dimensional Riemann problem were studied. Table and Figures | Reference | Related Articles | Metrics

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Numerical Simulation on Nonlinear Evolution of Magneto-Rayleigh-Taylor Instability CAO Qiwei, XIAO Delong, YANG Xianjun, WANG Jianguo Chinese Journal of Computational Physics    2021, 38 (1): 5-15.   DOI: 10. 19596/ j. cnki. 1001-246x. 8237 Abstract （741）   HTML （114）    PDF （10495KB）（988）       Knowledge map    A 2D numerical simulation program is developed for nonlinear evolution of magneto-Rayleigh-Taylor instability(MRTI). Based on an ideal magnetohydrodynamic model, a 5th WENO scheme is employed to calculate MHD equations and a projection scheme is used to clean spurious magnetic field divergence. The method is validated with MRTI compared with theory of linear stability. It is shown that the vertical magnetic field suppresses evidently MRTI in both linear and nonlinear stages. The parallel magnetic field has weak effect on MRTI in linear stage. However, it reduces remarkably Kelvin-Helmholtz instability and overall instability in nonlinear regime. High order harmonic occurs in the nonlinear evolution of single mode, and many modes except fundamental modes and harmonic occur in the evolution of double modes. In MRT evolution of multi-mode seeds inverse cascade occur, which means that perturbations evolve from short wavelength to long wavelength in the nonlinear stage. Reference | Related Articles | Metrics