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physics.flu-dyn2026
Coupled Rigid-Body Motion and Binary Phase Change: A Sharp Level-Set/Embedded-Boundary Method
Chao-Fan Zhang, Zhong-Han Xue, Jie Zhang
We develop a sharp-interface method for freely moving solid particles undergoing pure or binary melting. A Level-Set representation preserves the particle geometry during long-dist…
physics.flu-dyn2025
Wake transitions and melting dynamics of a translating sphere in warm liquid
Zhong-Han Xue, Jie Zhang
We investigate the three-dimensional melting dynamics of an initially spherical particle translating in a warmer liquid using sharp-interface simulations that fully resolve both so…
physics.flu-dyn2025
A sharp and conservative method for modeling interfacial flows with insoluble surfactants in the framework of a geometric volume-of-fluid approach
Zhong-Han Xue, Jacques Magnaudet, Jie Zhang
Insoluble surfactants adsorbed at liquid-liquid or gas-liquid interfaces alter interfacial tension, leading to variations in the normal stress jump and generating tangential Marang…