| 无序衬底上单层流体的脱钉动力学数值研究 |
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| 引用本文： | 王红玲,董永强.无序衬底上单层流体的脱钉动力学数值研究[J].河南师范大学学报(自然科学版),2008,36(5). |
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| 作者姓名： | 王红玲 董永强 |
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| 作者单位： | 许昌学院,电气信息工程学院,河南,许昌,461000 |
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| 基金项目： | 河南省教育厅自然科学基金 |
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| 摘 要： | 利用朗之万分子动力学,数值研究无序衬底上单层流体的脱钉动力学特性.发现:对于弱无序衬底,流体呈弹性脱钉.对于强无序衬底,流体呈塑性脱钉.随着衬底强度的增加,流体脱钉存在从弹性到塑性的渡越,并伴随临界钉扎力的突然提高.
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| 关 键 词： | 无序衬底 流体 脱钉 |
Numerical Study on the Depinning of Fluid Monolayer on a Disordered Substrate |
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| WANG Hong-ling,DONG Yong-qiang.Numerical Study on the Depinning of Fluid Monolayer on a Disordered Substrate[J].Journal of Henan Normal University(Natural Science),2008,36(5). |
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| Authors: | WANG Hong-ling DONG Yong-qiang |
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| Abstract: | Using Langevin molecular dynamics,the research numerically studies the depinning of fluid monolayer on a disordered substrate.For a weak substrate,the fluid is found to depin elastically.For a strong substrate,the fluid depins plastically.With an increase in the strength of substrate,a crossover from elastic to plastic depinnings is found,being accompanied by a substantial increase in the critical pinning force. |
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| Keywords: | two-dimensional substrate fluid depinning |
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