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Pattern Formation in Dynamic Phase Transitions
作者姓名:唐少强  王平
作者单位:[1]LTCS,DepartmentofMechanicsandEngineeringScience,PekingUniversity,Beijing100871 [2]DepartmentofEngineeringMechanics,DalianUniversityofTechnology,Dalian116024
摘    要:Instability is the main challenge in simulating dynamic phase transitions. For a van der Waals fluid, we introduce low order dissipative mechanisms with discrete Bhatnagar-Gross-Krook (BGK) models, including a relaxation model. In one and higher space dimensions, numerical results demonstrate the complexities of dynamics. While eventually a good separation of phases is reached, interesting wave patterns are observed at an earlier stage.

关 键 词:动态相位传输  不稳定性  Bhatnagar-Gross-Krook模型  欧拉公式  van  der  Waals流体
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