Meeting: ISSI International Team 2012
(Lead: P. Michel, Co-Lead: A.M. Nakamura)
June 18th – 21th, 2012

Invited external experts: Erik Asphaug (Univ. Santa Cruz, USA), Thomas Weinhart (Univ. Twente, The Netherlands), Alexander Seinzinger (Univ. Tübingen, Germany)

Monday June 18
th, 2012

9:00-9:15 Welcome, arrival at ISSI
9:15-09:30 Patrick Michel: Introduction

Impact Process Part I: Numerical Modeling
9:30-10:30 Koji Wada: Numerical simulation of penetration into granular targets and its comparison with experiments.
10:30-11:00 Coffee
11:00-12:00 Steve Schwartz: Numerical simulations of impact cratering using the Soft-Sphere Discrete Element Method implementation in pkdgrav
12:00-14:00 Lunch

Impact Process Part II: Experiments
14:00-15:00 Carsten Guttler: Cratering Experiments on the Self Armoring of Coarse-Grained Granular Targets
15:00-15:30 Coffee
15:30-16:30 Akiko Nakamura: Static penetration experiments into granular media and/or Momentum transfer from impact into very porous targets

Tuesday June 19th, 2012

Asteroid surface geology (regolith, grooves)
09:30-10:30 Jürgen Blum:
Physical properties of granular regolith (gas permeability, thermal conductivity, tensile strength)
10:30-11:00 Coffee
11:00-12:00 Erik Asphaug: Grooves on Phobos
12:00-13:30 Lunch
Asteroid surface geology and miscellaneous
13:30-14:30 Kevin Walsh
: Formation scenario of the ridge of Iapetus
14:30-15:30 Alexander Seizinger: Simulation of mechanical properties of porous dust agglomerates
15:30-16:00 Coffee Break
16:00-17:00 Naomi Murdoch: Micro-g environment: what about convection?

Wednesday June 20th, 2012

Avalanche Process
09:30-10:30 Jürgen Blum: Status of the avalanche experiment
10:30-11:00 Coffee
11:00-12:00 Derek C. Richardson: Simulations of avalanches
12:00-13:30 Lunch
13:30-14:00 Thomas Weinhart: Simulations of avalanches
Next Step, Finalisation of our ISSI Team work
14:00-15:00 Plan for the avalanche experiment/simulation comparison (next things to do, paper …)
15:00-15:30 Coffee
15:30-17:00 Other plans: other comparisons, collaborations, and do we want to make a team paper summarizing our meetings or a special issue in a journal or other suggestion?

Thursday June 21st, 2012
Free discussion between team members