Abstract
Lyderic Bocquet: „Impacts, skipping stones and splashes”
University of Lyon, France and TU München
In this talk I will consider various phenomena occuring whenever a stone is thrown on water. Depending on the throw conditions, one may observe the stone skipping over the water, or making a splash.
I will first discuss the stone skipping phenomenon, and identify the physical conditions for bouncing as well the origin of the dissipation which fixes the number of skips. In a second part, I will focus on the 'splash' phenomenon occuring when the stone enters into the water. I will first discuss the conditions to make a 'splash' versus a tiny 'plop'. I will then describe the dynamics of the air cavity associated with the splash phenomenon.
