dc.creator | Breyiannis, G. | en |
dc.creator | Valougeorgis, D. | en |
dc.date.accessioned | 2015-11-23T10:24:13Z | |
dc.date.available | 2015-11-23T10:24:13Z | |
dc.date.issued | 2008 | |
dc.identifier.isbn | 9781622763351 | |
dc.identifier.uri | http://hdl.handle.net/11615/26458 | |
dc.description.abstract | Lattice Boltzmann Methods (LBM) are an established alternative approach for numerical simulations of a large spectrum of physical processes. They are based on a mesoscopic analysis of the underlying physics through a velocity distribution function f(x,ξ,t) which obeys the Boltzmann Equation (BE). Furthermore, it has been argued that a number of macroscopic processes can be modeled through a mesoscopic evolution equation similar to BE appropriately tuned to recover the desired macroscopic behavior while retaining the multi-scale characteristics of LBM. Such an approach can be utilized to analyze a magnetohydrodynamic (MHD) system via lattice kinetic schemes [1,2]. All macroscopic quantities are given as moments of f and the algorithm is seen to solve consistently the hydrodynamic and magnetic induction dissipative equations in generalized 3D geometry [3]. We examine the potential of such an algorithm for large-scale fusion simulations. Initial conditions may be provided by the Integrated Tokamak Modelling (ITM) mdsplus server in ENEA frascati, Rome, for ITER related scenarios [4]. The case considered is the evolution of continuous shear Alfvén waves in a plasma [5]. | en |
dc.source.uri | http://www.scopus.com/inward/record.url?eid=2-s2.0-84873050576&partnerID=40&md5=c27bdadf1b47be768b9dc89d06e02e8a | |
dc.subject | 3D geometry | en |
dc.subject | Alternative approach | en |
dc.subject | Dissipative equations | en |
dc.subject | Evolution equations | en |
dc.subject | Fusion plasmas | en |
dc.subject | Fusion simulation | en |
dc.subject | Initial conditions | en |
dc.subject | Lattice boltzmann methods (LBM) | en |
dc.subject | Lattice kinetics | en |
dc.subject | Macroscopic behaviors | en |
dc.subject | Macroscopic quantities | en |
dc.subject | Mesoscopics | en |
dc.subject | Multiscales | en |
dc.subject | N-waves | en |
dc.subject | Physical process | en |
dc.subject | Algorithms | en |
dc.subject | Boltzmann equation | en |
dc.subject | Computational fluid dynamics | en |
dc.subject | Magnetohydrodynamics | en |
dc.subject | Shear flow | en |
dc.subject | Superconducting materials | en |
dc.subject | Tokamak devices | en |
dc.subject | Magnetoplasma | en |
dc.title | Lattice kinetic schemes in fusion plasmas | en |
dc.type | conferenceItem | en |