Numerical studies of fiber networks and experiments on wet paper show that tensile force relaxes linearly as a function of logarithmic time. Relaxation rate is faster for wet than dry paper. Simulated permanent deformation after relaxation is clearly higher than that measured in wet paper.
- Simulation of fiber networks
- Stress relaxation
- Wet paper webs
Miettinen, P., Kekko, P., & Kouko, J. (2009). Relaxation of wet paper by simulations and laboratory-scale experiments. Nordic Pulp and Paper Research Journal, 24(4), 381-387. https://doi.org/10.3183/NPPRJ-2009-24-04-p381-387