Hub-based Simulation and Graphics Hardware Accelerated Visualization for Nanotechnology Applications

• Requirements
  • Funtional requirements
    • Visualization
      • Molecular dynamics visualization
      • Flow visualization
      • Remote visualization
    • Network
  • Non-functional requirements
    • Transparency
      • The delivery of hardware acceleration should be seamless and transparent to remote users
    • Scalability
      • Supporting many remote user session
      • The more hadware resources, the more performance
    • Responsiveness
      • Seamless interaction regardless of the number of user visualization sessions
    • Flexibility
      • Capability of handling a variety of simulation data
      • Supporting rapid development and deployment
    • Extensibility
      • The system software and hardware architecture should be easily extensible

• Approaches
  • Molecular Dynamics Visualization
    • Texture-based volume visualization
      • Volqd:Direct volume rendering of multi-million atom quantum dot simulations ppt
  • Flow visualization
    • Particle tracing
      • Hardware-based Simulation and Collision Detection for Large Particle Systems
      • A particle system for interactive visualization of 3d flows
      • two FBO(FrameBuffer Object)
    • texture synthesis
  • Remote visualization
    • C/S architecture
    • Rapputre GUI through XML
    • Interaction
      • Tcl command and binary data

• Future works
  • Visualization
    • nanoVis Engine
      • Adaptively reduction of the rendering quality for rapid user interaction sequences
      • Extend the capability to handle richer set of grid topologies
        • Example : unstructured meshes for finite element simulations
  • Network
    • A more advanced compression algorithm

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