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A study of rupture process of thin liquid films by a molecular dynamics simulation

Author

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  • Hwang, Chi-Chuan
  • Hsieh, Jin-Yuan
  • Chang, Kuo-Hsiung
  • Liao, Jyun-Jye

Abstract

Three-dimensional ruptures in both thin films on plates and free thin films have been studied, using molecular dynamics simulations. The rupture process simulated in this work is divided into two stages. They are the stage from the initial equilibrium state to the occurrence of the rupture and the stage from this occurrence to the final state of the rupture. In this study, it is found that for the free film larger liquid–liquid potential induces quicker rupture speed, while for the film on a plate, smaller solid–liquid potential results in not only larger occurrence and spreading speeds of the rupture but also larger contact angle between solid and liquid. In the first rupture stage, the result obtained in this work is qualitatively similar to that predicted by the macroscopic rupture theory. In the second stage, the simulations of this work can help describe the evolutions of ruptures in detail, which the macroscopic theory is no longer able to do.

Suggested Citation

  • Hwang, Chi-Chuan & Hsieh, Jin-Yuan & Chang, Kuo-Hsiung & Liao, Jyun-Jye, 1998. "A study of rupture process of thin liquid films by a molecular dynamics simulation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 256(3), pages 333-341.
    • Handle: RePEc:eee:phsmap:v:256:y:1998:i:3:p:333-341
    DOI: 10.1016/S0378-4371(98)00113-7
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    Cited by:

    1. Peng, Tiefeng & Li, Qibin & Chen, Jie & Gao, Xuechao, 2016. "Quantitative analysis of surface tension of liquid nano-film with thickness: Two stage stability mechanism, molecular dynamics and thermodynamics approach," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 462(C), pages 1018-1028.

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