----- Title: ----- Action principles and Clebsch formulation in computational fluid dynamics. ----------- Organizers: ----------- Asher Yahalom Department of Electrical & Electronic Engineering Faculty of Engineering The College of Judea and Samaria P.O.B. 3, Ariel 44837 ISRAEL Tel. +972-3-9066199 Tel. (secretary) +972-3-9066197 Cel. +972-52-3653354 FAX: +972-3-9066238 e-mail: asya@yosh.ac.il ------------------------- Minisymposium description: ------------------------- The minisymposium will discuss the possible Lagrangian formalisms of ideal fluid dynamics such as the Clebsch formulation and their extensions to viscous flows.Moreover the opportunities and challenges in using the functionals for constructing efficient computation fluid dynamics algorithms will be discussed. Finally the interconnections between those algorithms and multi-grid approaches will be exposed.