A workshop on the “Dynamics of Frictional Interfaces” at Weitzman Institute of Science

An interesting and important event next week at Weitzman Institute of Science in Israel. The workshop organized by Dr. Eran Bouchbinder will focus on the dynamics of spatially-extended frictional interfaces. A significant fraction of the meeting will be devoted to open discussions that will focus on outstanding problems in the field (frictional instabilities, nucleation, super-shear rupture, bi-material interfaces, finite-size effects, lubricated interfaces).

Monday 28/11/2016

09:00-09:20 Gathering and coffee

09:20-09:30 Greetings and opening remarks

Morning session: Interfacial constitutive relations (new developments, experimental challenges, local vs. global behaviors, additional state variables and their physical meaning, interfacial elasticity, wear, thermal effects)

09:30-10:10 “A physics-based rock-friction constitutive law”, Einat Aharonov (Hebrew University)

10:15-10:55 “An experimentally-based friction law of Earthquake rupture”, Ze’ev Reches (Oklahoma)

11:00-11:25 Coffee break

11:25-13:00 Open discussion led by Einat and Ze’ev

13:00-14:00 Lunch break

Afternoon session: Bulk constitutive effects (plasticity, visco-elasticity, damage), The bi-material effect, Finite size/geometry effects

14:00-14:40 “Interactions between dynamic rupture and damage zones: effects of pre-existing damage zones on dynamic rupture, patterns of damage zones generated by ruptures”, Vladimir Lyahovsky  

14:45-15:25 “Dynamic instabilities at frictional interfaces: Material and finite geometry contrasts”, Eran Bouchbinder (Weizmann)

15:30-15:55 Coffee break

15:55-17:30 Open discussion led by Pablo and Eran

Tuesday 29/11/2016

09:00-09:30 Gathering and coffee

Morning session: Rupture dynamics (slow rupture, pulse-like vs. crack-like rupture, super-shear rupture, geometric complexity)

09:30-10:10 “Rupture dynamics on rough faults”, Eric Dunham (Stanford)

10:15-10:55 “Rupture dynamics in the laboratory”, Jay Fineberg (Hebrew University)

11:00-11:25 Coffee break

11:25-13:00 Open discussion led by Eric and Jay

13:00-14:00 Lunch break

Afternoon session: Nucleation (dependence on the loading configuration, homogeneous vs. inhomogeneous nucleation, finite-time-singularity scenario, spatiotemporal instability scenario, crack-like scenario, dependence on the constitutive behavior, experimental status)

14:00-14:40 “Slow sliding, instability: universality, friction laws, and geometry”, Robert Viesca (Tufts)

14:45-15:25 “Nucleation and propagation of instability in the laboratory: from slow to fast rupture”, Efim A. Brener 

15:30-15:55 Coffee break

15:55-17:30 Open discussion led by Robert and Francois

Wednesday 30/11/2016

09:00-09:30 Gathering and coffee

Morning session: Laboratory vs. field observations (modelling approaches, computational challenges)

09:30-10:10 “Friction in carbonate-built rocks”, Giulio Di Toro (Manchester)

10:15-10:55 “Flash heating: experimental observations, fracture energy, scaling”, Nicolas Brantut (University College London)

11:00-11:25 Coffee break

11:25-13:00 Open discussion led by Giulio and Nicolas

13:00-14:00 Lunch break

Afternoon session: Engineering/tribological systems, the relations between micro-scale and macro-scale friction

14:00-14:40 “Impact of elasticity on friction at the nanoscale”, Michael Urbakh (Tel Aviv)

14:45-15:25 “Critical length scale controls adhesive wear mechanisms”, Jean-Francois Molinari (EPFL)

15:30-15:55 Coffee break

15:55-17:30 Open discussion led by Michael and Jean-Francois

17:30-18:00 Concluding remarks

weitzmann-cost-workshop