Please use this identifier to cite or link to this item: https://doi.org/10.1142/S012918310701108X
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dc.titleA lattice Boltzmann study on the large deformation of red blood cells in shear flow
dc.contributor.authorSui, Y.
dc.contributor.authorChew, Y.T.
dc.contributor.authorLow, H.T.
dc.date.accessioned2014-06-16T09:29:38Z
dc.date.available2014-06-16T09:29:38Z
dc.date.issued2007-06
dc.identifier.citationSui, Y., Chew, Y.T., Low, H.T. (2007-06). A lattice Boltzmann study on the large deformation of red blood cells in shear flow. International Journal of Modern Physics C 18 (6) : 993-1011. ScholarBank@NUS Repository. https://doi.org/10.1142/S012918310701108X
dc.identifier.issn01291831
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/54297
dc.description.abstractThe transient deformation of a liquid-filled elastic capsule, simulating a red blood cell, was studied in simple shear flow. The simulation is based on a hybrid method which introduces the immersed boundary concept in the framework of the multi-block lattice Boltzmann model. The method was validated by the study on deformation of an initially circular capsule with Hooke's membrane. Also studied were capsules with Skalak membrane of initially elliptical and biconcave shapes, which are more representative of a red blood cell. Membrane tank treading motion is observed. As the ratio between membrane dilation modulus and shear modulus increases, the capsule shows asymptotic behavior. For an initially elliptical capsule, it is found that the steady shape is independent of initial inclination angle. For an initially biconcave capsule, the tank treading frequency from two-dimensional modeling is comparable to that of real cells. Another interesting finding is that the tank treading velocity has not attained steady state when the capsule shape becomes steady; and at this state there is the internal vortex pair. The treading velocity continues to decrease and reaches a steady value when the internal vortex pair has developed into a single vortex. © World Scientific Publishing Company.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1142/S012918310701108X
dc.sourceScopus
dc.subjectImmersed boundary
dc.subjectMulti-block lattice Boltzmann model
dc.subjectRed blood cell
dc.subjectTank treading motion
dc.subjectTransient deformation
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1142/S012918310701108X
dc.description.sourcetitleInternational Journal of Modern Physics C
dc.description.volume18
dc.description.issue6
dc.description.page993-1011
dc.identifier.isiut000251548700007
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