Simulation of swimming of a flexible filament using the generalized lattice-spring lattice-Boltzmann method

JOURNAL OF THEORETICAL BIOLOGY

卷:349

Article

Wu, Tai-Hsien^1,2  Guo, Rurng-Sheng²  He, Guo-Wei³  Liu, Ying-Ming⁴  Qi, Dewei^1,4 

[1] Western Michigan Univ, Dept Chem & Paper Engn, Kalamazoo, MI 49009 USA

[2] Natl Kaohsiung Normal Univ, Dept Phys, Kaohsiung 82444, Taiwan

[3] Chinese Acad Sci, Inst Mech, Key Lab Nonlinear Mech, Beijing 100080, Peoples R China

[4] Sichuan Univ, Yangtze Ctr Math, Chengdu 610064, Peoples R China

关键词: Lattice Boltzmann method;    Lattice spring model;    A flexible filament;   

DOI  :  10.1016/j.jtbi.2014.01.021

来源: Elsevier

【 摘 要 】

A generalized lattice-spring lattice-Boltzmann model (GLLM) is introduced by adding a three-body force in the traditional lattice-spring model. This method is able to deal with bending deformation of flexible biological bodies in fluids. The interactions between elastic solids and fluid are treated with the immersed boundary-lattice Boltzmann method. GLLM is validated by comparing the present results with the existing theoretical and simulation results. As an application of GLLM, swimming of flagellum in fluid is simulated and propulsive force as a function of driven frequency and fluid structures at various Reynolds numbers 0.15-5.1 are presented in this paper. (C) 2014 Elsevier Ltd. All rights reserved.

【 授权许可】

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