Fig. 18

Variations of the energy for different operational modes (a) elastic energy Ee, (b) friction energy Eµ, (c) damping energy Eβ, (d) kinetic energy Ek, (e) adhesive energy Ea, (f) total energy Eb.

Variations of the energy for different operational modes (a) elastic energy Ee, (b) friction energy Eµ, (c) damping energy Eβ, (d) kinetic energy Ek, (e) adhesive energy Ea, (f) total energy Eb.