Influence of integration formulations on the performance of the fast inertial relaxation engine (FIRE) method | |
Shuang F(双飞); Xiao P(肖攀); Shi RH; Ke FJ(柯孚久); Bai YL(白以龙) | |
发表期刊 | COMPUTATIONAL MATERIALS SCIENCE |
2019 | |
卷号 | 156页码:135-141 |
ISSN | 0927-0256 |
摘要 | As a simple and robust minimization algorithm with high efficiency, the fast inertial relaxation engine (FIRE) method has been widely applied in various fields. Different from the viewpoint of previous reports, the present study found out that integration formulations in the FIRE method have huge influence on its convergence performance and capability of critical analysis. Specifically, the Forward Euler (FE) integration is found ill-suited for all the trial applications due to the outdated velocity update; the Velocity Verlet (VV) integration shows robust convergence and superior efficiency, but loses the ability of critical analysis; the Semi-implicit Euler (SE) integration endows the FIRE method with the critical analysis ability as well as good efficiency, but its convergence is conditional. It is also found that the FIRE method using a modified energy monitor shows more robust convergence than using the original power monitor. Further investigation indicates that the SE integration combined with the energy monitor should be the first choice for the FIRE method in general molecular statics simulations. These findings extend the capability of FIRE and provide practical suggestions for selecting minimization algorithms in molecular simulations. |
关键词 | Energy minimization Fast inertial relaxation engine method Integration formulations Molecular simulations |
DOI | 10.1016/j.commatsci.2018.09.049 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000449375500017 |
关键词[WOS] | MOLECULAR-DYNAMICS SIMULATIONS ; STRATEGY |
WOS研究方向 | Materials Science, Multidisciplinary |
WOS类目 | Materials Science |
项目资助者 | Strategic Priority Research Program (B) of the Chinese Academy of Sciences [XDB22040501] ; National Natural Science Foundation of China [11672298, 11432014, 11790291] |
论文分区 | 二类 |
力学所作者排名 | 1 |
RpAuthor | Xiao, P |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/78477 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.{Shuang, Fei、Xiao, Pan、Shi, Ronghao、Bai, Yilong} Chinese Acad Sci, Inst Mech, LNM, Beijing 100190, Peoples R China 2.{Shuang, Fei、Shi, Ronghao} Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 3.{Ke, Fujiu} Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China |
推荐引用方式 GB/T 7714 | Shuang F,Xiao P,Shi RH,et al. Influence of integration formulations on the performance of the fast inertial relaxation engine (FIRE) method[J]. COMPUTATIONAL MATERIALS SCIENCE,2019,156:135-141. |
APA | 双飞,肖攀,Shi RH,柯孚久,&白以龙.(2019).Influence of integration formulations on the performance of the fast inertial relaxation engine (FIRE) method.COMPUTATIONAL MATERIALS SCIENCE,156,135-141. |
MLA | 双飞,et al."Influence of integration formulations on the performance of the fast inertial relaxation engine (FIRE) method".COMPUTATIONAL MATERIALS SCIENCE 156(2019):135-141. |
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