Grid Globus GRAM Simulation Tool Web Browser Globus

Πώς Μοιάζει μια Εφαρμογή Grid; Globus GRAM Simulation Tool Web Browser Globus GRAM Globus Index Service CHEF Compute Server Sensor Application Developer 2 Off the Shelf 9 Globus Toolkit 4 Grid Community 4 Data Viewer Tool CHEF Chat Teamlet My. Proxy Certificate Authority Users work with client applications Application services organize VOs & enable access to other services Telepresence Monitor Camera Globus DAI Globus MCS/RLS Globus DAI Collective services aggregate &/or virtualize resources Database service Resources implement standard access & management interfaces Βόλος, 14/5/2007 - 5

Τι εννοούμε με τον όρο e-science; e-Science is about global collaboration in key areas of science and the next generation of infrastructure that will enable it. • Άλλοι Ορισμοί: • E-science is the science that can be achieved through the use of computers to connect different sources of data about a subject, usually collected independently, § to extract new information beyond that which is in each data set taken separately, § to generate new knowledge and understanding § • Large scale science that will increasingly be carried out through distributed global collaborations enabled by the Internet • Απλοϊκός Ορισμός (δικός μου): § Επιστήμη σε μέτα επίπεδο με χρήση τεχνολογιών GRID Βόλος, 14/5/2007 - 6

Παράδειγμα: Εφαρμογή στο Data. GRID Relational data mining tree Decision model of metabonomic profile Visualizing serial/spectrum data Text mining Visualizing cluster statistics Spectrum data mining Visualizing multidimensional Chemical sequence data relational Visualizing data structure data clusters pathway data Chemical visualization Text mining Chemical data sequence visualization model Βόλος, 14/5/2007 - 21

Σύνθετα προβλήματα: Multidomain – Multiphysics • • Gas Turbine engine simulation Air pollution modeling Weather prediction problem Aerodynamic and aeroacoustic simulation Nuclear reactor simulation Underwater acoustic problems Modelling of semi- and super-conducting devices etc. Βόλος, 14/5/2007 - 26

Gas Turbine Engine • Φυσική: Gas flow, combustion, highly stressed materials, high temperatures, multi-scale in time/space • Εξαρτήματα: Fans, compressor, combustor, high-pressure turbine, low-pressure turbine • Γεωμετρία: 31, 000 parts, 1, 300 of them rotate at 50, 000 rpm Βόλος, 14/5/2007 - 27

Nuclear Reactor Problem Dirichlet b. c. L 2 Tx = 0 L 3 L 1 T = 1000 L 2 Ty = 0 Βόλος, 14/5/2007 - 29

New Schemes are Needed Βόλος, 14/5/2007 - 30

Collaborative Solvers Βόλος, 14/5/2007 - 31

PSEs for Multidomain – Multiphysics Problems Da t G lobal user in terface Compu tation browser a Local interfaces of computational components ta Mediator Agent n tr ol Da PDE Solver Agent /c o PDE Solver Agent qu er y User Mediator Agent Data PDE Solver Agent Data Communication software Cooperation supervision, agent initiation, MPSE constructor Βόλος, 14/5/2007 - 32