Pattern Formation in Dynamic Phase Transitions

Chin. Phys. Lett.

2004, Vol. 21

Issue (8): 1566-1568 DOI:

Original Articles

Pattern Formation in Dynamic Phase Transitions

Shao-Qiang¹;WANG Ping²

¹Department of Mechanics and Engineering Science, Peking University, Beijing 100871 ²Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024

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Shao-Qiang, WANG Ping 2004 Chin. Phys. Lett. 21 1566-1568

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Abstract 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.

Keywords: 47.54.+r

Published: 01 August 2004

PACS:

47.54.+r

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I8/01566

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