Douady, S.; Andreotti, B.; Daerr, A. - In: The European Physical Journal B - Condensed Matter and … 11 (1999) 1, pp. 131-142
Conservation equations are written for surface flows (either fluid or granular). The particularity of granular surface flows is then pointed out, namely that the depth of the flowing layer is not a priori fixed, leading to open equations. It is shown how some hypothesis on the flowing layer...