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Deformation of Two-Dimensional Nonuniform-Membrane Red Blood Cells Simulated by a Lattice Boltzmann Model 被引量:1

Deformation of Two-Dimensional Nonuniform-Membrane Red Blood Cells Simulated by a Lattice Boltzmann Model
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摘要 To study two-dimensional red blood cells deforming in a shear flow with the membrane nonuniform on the rigidity and mass, the membrane is discretized into equilength segments. The fluid inside and outside the red blood cell is simulated by the D2Q9 lattice Boltzmann model and the hydrodynamic forces exerted on the membrane from the inner and outer of the red blood cell are calculated by a from the curvature of uniform-membrane, we find that stress-integration method. Through the global deviation when the membrane is nonuniform on the rigidity, the deviation first decreases with the time increases and implies that the terminal profile of the red blood cell is static. To a red blood cell with the mass nonuniform on the membrane, the deviation becomes more large, and the mass distribution affects the profile of the two sides of the flattened red blood cell in a shear flow. To study two-dimensional red blood cells deforming in a shear flow with the membrane nonuniform on the rigidity and mass, the membrane is discretized into equilength segments. The fluid inside and outside the red blood cell is simulated by the D2Q9 lattice Boltzmann model and the hydrodynamic forces exerted on the membrane from the inner and outer of the red blood cell are calculated by a from the curvature of uniform-membrane, we find that stress-integration method. Through the global deviation when the membrane is nonuniform on the rigidity, the deviation first decreases with the time increases and implies that the terminal profile of the red blood cell is static. To a red blood cell with the mass nonuniform on the membrane, the deviation becomes more large, and the mass distribution affects the profile of the two sides of the flattened red blood cell in a shear flow.
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2008年第11期4042-4045,共4页 中国物理快报(英文版)
基金 Supported by the National Natural Science Foundation of China under Grants Nos 10447001 and 10747004 and the Science Foundation of Guangxi Province under Grant No 0640064. We thank Prolessor Haiping Fang lbr helptul discussion.
关键词 the power-law exponents precipitation durative abrupt precipitation change the power-law exponents, precipitation, durative, abrupt precipitation change
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