基于深度学习的分子动力学模拟Gra/h-BN异质界面高效热能输运重构

IF 3.6 2区 物理与天体物理 Q2 PHYSICS, APPLIED
Haiying Yang, Lin Li, Ping Yang
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引用次数: 0

摘要

采用集成迭代法、自动建模、非平衡分子动力学计算和卷积神经网络(CNN)相结合的混合增强机器学习方法,研究了Gra/h-BN异质界面高效热能输运的重构方案。结果表明,该方法从数千万种可能的缺陷构型中识别出gra/h-BN中最优缺陷分布,最优缺陷分布下vdW gra/h-BN异质界面的界面导热系数(ITC)比原始gra高97%。此外,可以有效地观察到不同缺陷分布的vdW gra/h-BN异质界面在室温下的传热变化。结合ResNet网络的CNN模型,揭示了缺陷分布与ITC之间的依赖规律。高效的热能传输设计可以促进材料和结构的可持续使用寿命。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Deep learning-based molecular dynamics simulation reconfiguration of efficient heat energy transport of Gra/h-BN heterointerface
We investigate the reconfiguration scheme of efficient heat energy transport of the Gra/h-BN heterointerface by a hybrid enhanced machine learning method combining an integrated iterative method, automatic modeling, non-equilibrium molecular dynamics calculation, and convolutional neural network (CNN). The results show that the method identifies the optimal defect distribution in gra/h-BN from tens of millions of possible defect configurations, and the interfacial thermal conductivity (ITC) of the vdW gra/h-BN heterointerface in the optimal defect distribution is 97% higher than that in the original gra. Furthermore, the heat transfer transformation of the vdW gra/h-BN heterointerface with different defect distributions at room temperature can be observed efficiently. The dependency law between the defect distribution and the ITC is revealed by combining the CNN model of the ResNet network. The efficient heat energy transport design can promote the sustainable service life of materials and structures.
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来源期刊
Applied Physics Letters
Applied Physics Letters 物理-物理:应用
CiteScore
6.40
自引率
10.00%
发文量
1821
审稿时长
1.6 months
期刊介绍: Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.
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