A one-dimensional impact problem for articular cartilage is considered. Behavior of the coefficient of restitution, peak strain, maximum stress in the drop-weight impact experiment is studied in detail. The non-linear viscoelastic Hunt–Crossley model previously used to fit experimental data is compared with a new quasi-linear viscoelastic Kelvin–Voigt model enriched in Fung's non-linear assumptions. It has been shown that the new model, having clear physical sense, better describes the experimental data.
|Journal||Mechanics Research Communications|
|Early online date||18 Apr 2015|
|Publication status||Published - Jul 2015|
- articular cartilage
- coefficient of the restitution
- Fung's model
- Hunt-Crossley model