Software ISDEP | EGI Applications Database

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Name:ISDEP

Description:Integrator of Stochastic Differential Equations for Plasmas

Abstract:The purpose of this code is solving the collisional transport in fusion plasmas using the equivalence between the Fokker-Planck and Langevin equation (Stochastic Differential Equation). Altought in principle it solves the linearized kinetic equation, we include non linear terms using an iterative method. Several features can be taken into account in the equations, for example the presence of divertors and ion heating (ICH and NBI). This code has been succesfully used in the TJ-II stellarator (CIEMAT) and is currently working with ITER. As it is a Montecarlo sequencial code, it scales perfectly in clusters with slow connections between nodes. ISDEP has been ported to the EGEE grid and Ibercivis, a volunteer computing platform. It has also been used in int.eu.grid project as computing core for interactive visual fusion simulations (IVISDEP) and is taking part in other grid projects like EDGeS and EUFORIA. The main advantages of ISDEP is the absence of common approximations assumed in other codes. For example, there is no assumption in the complexity of the system geometry.