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Grid Based Distributed Hybrid Testing Mobin Ojaghi, Javier Parra-Fuente, Kashif Saleem, PowerPoint Presentation
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Grid Based Distributed Hybrid Testing Mobin Ojaghi, Javier Parra-Fuente, Kashif Saleem, Anthony Blakeborough, Martin S. Williams. Department of Engineering Science, University of Oxford. Paper 798 11.9.07. Theme.

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slide1

Grid Based Distributed Hybrid Testing

Mobin Ojaghi, Javier Parra-Fuente, Kashif Saleem,

Anthony Blakeborough, Martin S. Williams.

Department of Engineering Science,

University of Oxford.

Paper 798 11.9.07

theme
Theme
  • Grid technology applied to earthquake engineering testing to facilitate distributed hybrid testing.
  • UK-NEES (UK Network for Earthquake Engineering Testing)
overview
Overview
  • Earthquakes and earthquake engineering testing
  • Hybrid testing

Pseudo-dynamic and fast/real time hybrid

testing

  • Distributed hybrid testing
  • NEES and UK-NEES
  • Proposed architecture
  • Grid architecture example
  • Future work
  • Related work
earthquakes
Earthquakes
  • Sumatra

Earthquake and

Tsunami of 2004

  • Kobe 1995
  • Northridge 1994
earthquake engineering testing
Earthquake Engineering Testing
  • Large scale
  • Numerical
  • Hybrid

pseudo-dynamic

fast/real time

  • Distributed hybrid testing
slide8
NEES

NEES Partnership with National and International Initiatives

uk nees
UK-NEES
  • Tele-observation
  • Tele-participation
  • Tele-operation
  • Distributed hybrid testing
  • On-line data access
uk nees components
UK-NEES Components
  • NEES Equipment: Test Specimen, actuators, sensors, hydraulic controls, etc.
  • Data Acquisition System (DAQ): Acquires data from research Equipment.
  • NEES “Point of Presence” (NEES POP): Provides a home for NEES grid services at the equipment site.
  • Hybrid Testing Node: Synchronizes and runs the geographically distributed hybrid tests.
response from 5 th floor to el centro ns earthquake
Response from 5th Floor to El-Centro NS Earthquake
  • Storey drift is directly related to damage
future work
Future Work
  • Distributed Hybrid Testing Architecture
related work
Related Work
  • Grid technology in related projects
  • US-NEES
  • NZ-NEES
  • JST (Japanese Science and Technology)
  • International Solid Earthquake Research Virtual Observatory (ISERVO)
conclusions
Conclusions
  • Grid architecture allows expensive physical equipment located in different sites to work together to develop bigger distributed simulations, much larger than could be carried out due to cost and space limitations in any one lab.
  • UK-NEES is the first grid network to be created in the UK to enable distributed hybrid testing. The grid architecture shown enables connection of heterogeneous hardware platforms at different nodes and user friendly software will allow viewing and participation in testing offering a smooth running solution for collaborative distributed testing.