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Astrophysics on the Grid MHD portal with Zeus3D Brett Beeson Collaborators –David Barnes (AusVO) –Andrew Melatos (MHD) –Slavisa Garic (NimrodG) –Astrogrid.

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Presentation on theme: "Astrophysics on the Grid MHD portal with Zeus3D Brett Beeson Collaborators –David Barnes (AusVO) –Andrew Melatos (MHD) –Slavisa Garic (NimrodG) –Astrogrid."— Presentation transcript:

1 Astrophysics on the Grid MHD portal with Zeus3D Brett Beeson Collaborators –David Barnes (AusVO) –Andrew Melatos (MHD) –Slavisa Garic (NimrodG) –Astrogrid (MySpace)

2 Background Theory with the VO? Not just synthetic telescopes Publishing codes via the Web

3 Zeus Overview The Good –F77 (language of the Gods) –Free for academic use –Widely used, flexible The Bad –F77 (language of the Gods) –Complex to build (CPP,G77,libraries) –Difficult to use, easy to break

4 Portal Overview Why? –Make Zeus3D available to researchers Advantages over existing methods Use Grid to distribute computation Visualise results quickly –Demonstrate theory on the VO –Explore integration of existing components. Globus, MySpace, Tomcat, NimRod –Local demand at Melbourne University

5 Project Overview Zeus Portal Web Server Tomcat NimrodG Globus Cluster NimrodG Globus Zeus MySpace Users Browser (GrangeNet) (Ethernet)

6 MHD Setup Physical parameters Initial conditions Java for processing Interactivity possible

7 Job Submission NimrodG and Globus Dynamic loading Robust Secure Zeus Portal Web Server Tomcat NimrodG Globus Cluster NimrodG Globus Zeus

8 Job Monitoring Mid-process monitoring Dead jobs restarted Monitor across clusters NimrodG provides for parameter sweep

9 Results Post Processing –Transparent Storage –MySpace – portal or Astrogrid tools Data –Statistics, HDF, VOTable Visualise –Slices –Volume render Zeus Portal Web Server Tomcat NimrodG Globus MySpace

10 Embedded Visualisation DVR Rendering

11 Embedded Visualisation OGLE Rendering

12 Underlying Technology Zeus Portal Web Server Tomcat NimrodG Globus Cluster NimrodG Globus Zeus MySpace Users Browser GRAM Nimrod sockets MySpace API HTTP Applets

13 Contacts Brett Beeson –University of Melbourne Australian VO –www.aus-vo.orgwww.aus-vo.org –www.ivoa.netwww.ivoa.net


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