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- W4312948867 abstract "Hydrogel is a soft material with nonlinear and complex contact mechanical behaviour. At present, Hertz contact theory [1] being suitable for small-deformation elastic bodies is controversial in the calculation of the hydrogel contact problem. There are relatively few theoretical analysis methods for the large-deformation contact problem of soft materials. The aim of this paper is to propose an incremental contact model to calculate the contact force when the hydrogel undergoes large deformation. This paper compares the numerical calculation results and the Hertz theoretical calculation results in the large deformation of the hydrogel. The result shows that the Hertz contact theory cannot be directly applied to the calculation of the large deformation contact of the hydrogel. An incremental contact model based on hertz contact formula [2] is proposed in this paper. Through uniaxial compression numerical experiments and spherical compression numerical experiments, the elastic modulus parameters and spherical virtual radius parameters in the incremental contact model are obtained. The results of the incremental contact model are compared with the numerical calculation results, which proves that the incremental contact model can calculate the large deformation contact behaviour of the hydrogel well. At the same time, the results show that the incremental contact model is compatible with different indenter radius and different hydrogel materials." @default.
- W4312948867 created "2023-01-05" @default.
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- W4312948867 date "2022-01-01" @default.
- W4312948867 modified "2023-09-27" @default.
- W4312948867 title "Contact mechanical behaviour and model of hydrogel soft structure" @default.
- W4312948867 doi "https://doi.org/10.1049/icp.2022.1785" @default.
- W4312948867 hasPublicationYear "2022" @default.
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