Research Article

Identification of Viscoelastic Constitutive Parameters of a Cell Based on Fluid-Structure Coupled Finite Element Model and Experiment

Table 2

Convergence analysis of fluid-structure interaction model of cell shear flow with three meshing methods.

0.4μm0.8μm1.6μm
Calculated ValueCalculated ValueErrorCalculated ValueError

Horizontal Displacement (μm)0.07720.0753-2.46%0.0711-5.58%
Vertical Displacement (μm)-0.0121-0.012-0.83%-0.0119-0.83%
Shear Stress (Pa)2.22.03-7.73%1.77-12.81%
Maximal Stress (Pa)3.593.73.06%3.864.32%

Note: refers to the relative error between the calculated value under the mesh density and that under the adjacent fine meshes; and all the physical quantities are from the highest point of the cell.