Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow

	Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow
	Chen, W. D.; H. C. Zhao; L. J. Liu; J. Z. Chen; Y. Q. Li and L. J. An
	2015
发表期刊	Soft Matter
卷号	11 期号:26 页码:5265-5273
摘要	A ring polymer is a classical model to explore the behaviors of biomacromolecules. Compared with its linear counterpart in shear flow, the ring polymer should be more sensitive to excluded volume and hydrodynamic interaction attributed to the absence of chain ends. We carried out multiparticle collision dynamics combined with molecular dynamics simulation to study the effects of excluded volume and hydrodynamic interaction on the behaviors of ring polymers in shear flow. The results show that in the absence of the strong excluded volume interaction, the ring polymer prefers a two-strand linear conformation with high deformation and orientation in the flow-gradient plane, and the tank-treading motion is nearly negligible. Ring polymers without excluded volume show no significant difference from linear polymers in the scaling exponents for the deformation, orientation and tumbling motion. We also observed that the hydrodynamic interaction could efficiently slow down the relaxation of ring polymers while the scaling exponents against the Weissenberg number have rarely been affected.
收录类别	SCI ; EI
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/55196
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Chen, W. D.,H. C. Zhao,L. J. Liu,et al. Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow[J]. Soft Matter,2015,11(26):5265-5273.
APA	Chen, W. D.,H. C. Zhao,L. J. Liu,J. Z. Chen,&Y. Q. Li and L. J. An.(2015).Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow.Soft Matter,11(26),5265-5273.
MLA	Chen, W. D.,et al."Effects of excluded volume and hydrodynamic interaction on the deformation, orientation and motion of ring polymers in shear flow".Soft Matter 11.26(2015):5265-5273.

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