neesgrid: the national collaboratory for earthquake engineering
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NEESgrid: The national collaboratory for earthquake engineering. Thomas A. Finholt School of Information University of Michigan. Outline. The field of earthquake engineering The George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES) - PowerPoint PPT PresentationTRANSCRIPT
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
NEESgrid: The national collaboratory for earthquake engineering
Thomas A. FinholtSchool of InformationUniversity of Michigan
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Outline The field of earthquake engineering
The George E. Brown, Jr. Network for Earthquake Engineering Simulation (NEES)
NEESgrid – cyberinfrastructure for earthquake engineers
Challenges and prospects
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
The field of earthquake engineering
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Bhuj, India. One of the towers of this apartment complex totally collapsed,and the central stairway leaned on another building of the complex.
Photo courtesy of Dr. J.P. Bardet, University of Southern Californiahttp://geoinfo.usc.edu/gees/RecentEQ/India_Gujarat/Report/Damage/Bhuj/Bardet_Feb18.html
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
The earthquake engineering community
Research– University-based– Funded by NSF and industry– Focus on simulation
• Physical models (e.g., reduced scale specimens)• Numerical models (e.g., finite element analysis)
Practice– Professional firms– Structural engineering (e.g., earthquake remediation)– Formulation of uniform building codes– Lifelines (e.g., ensure survival of roads, gaslines,
power distribution)
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Shake table: Nevada, Reno
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Reaction wall: Minnesota
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Centrifuge: UC Davis
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Wave basin: Oregon State
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
The George E. Brown, Jr. Network for Earthquake Engineering
Simulation (NEES)
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
George E. Brown, Jr. Network for Earthquake Engineering Simulation NSF Major Research Equipment and Facility
Construction award (MRE) $82 million, 2001-04
– $10 million for system integration (NCSA, ANL, USC-ISI, Michigan, Oklahoma)
– $2 million for consortium development (CUREE)– $60 million for new equipment sites
• 3 shake tables (Buffalo, Nevada-Reno, UCSD)• 2 centrifuges (RPI, UC Davis)• 5 reaction walls (Berkeley, Buffalo, Colorado, Illinois, Lehigh,
Minnesota)• 3 field test (Texas, UCSB/USC/BYU, UCLA)• 1 lifeline (Cornell)• 1 tsunami (Oregon State)
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
NEESgrid – cyberinfrastructure for earthquake engineers
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
The Atkins report: A brief summary
Nothing tends so much to the advancement of knowledge as the application of a new instrument.
Sir Humphrey Davy
Quotation source: Thomas Hager, Force of Nature, Simon and Schuster, New York, 1995, p 86Image source: Sir Thomas Lawrence, circa 1821, National Portrait Gallery, London
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Researchers
DataFacilities
Synchronized dataSynchronized data and imagesData discovery
Automatic archivingSimulation codesHybrid experiments
TeleoperationTeleobservation
Synchronous communicationAsynchronous communication
All via high-performance
networks
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Technology involved Telecontrol and data transmission (USC ISI and ANL)
– NTCP– Globus/OGSI
Collaboration services (Michigan)– CHEF/Sakai
Telepresence systems (ANL) Electronic lab notebook (ANL, PNNL) Data and metadata
– Data repository (NCSA)– Project browser (Michigan)– Metadata description (Stanford, USC)
Numerical simulation (UCB, Mississippi State) Deployment, operations, and support (NCSA) Videoconferencing (Internet2 Commons) Prototyping (Washington University)
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
NEESgrid interface
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gx
Multi-Site, On-Line Simulation Test (MOST)July 2003
UIUC
Experimental Model
gx
f1
m1
NCSA Computational Model
m1
f1f2 f2
Colorado
Experimental Model
gx
SAC Consortium Benchmark Structure
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Multi-Site, On-Line Simulation Test (MOST)
ColoradoColoradoExperimental Model
gx
f2m1, 1
F2
F1
e
gx
=
gx
f1, x1
UIUCUIUC Experimental Model
gx
m1
f1 f2
NCSANCSA
Computational Model
SIMULATIONSIMULATION
COORDINATORCOORDINATOR
NEESpop NEESpop
NEESpop
UIUC MUST-SIM•Dan Abrams•Amr Elnashai•Dan Kuchma•Bill Spencer• and othersColorado FHT•Benson Shing•and others
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
MOST Column Test Specimens
Illinois Test Specimen
Colorado Test Specimen
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
0
10
20
30
40
50
60
70
8:0
0
8:3
0
9:0
0
9:3
0
10
:00
10
:30
11
:00
11
:30
12
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12
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13
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13
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14
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14
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15
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15
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17
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18
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Nu
mb
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of
Pa
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ipa
nts
UIUC
Colorado
MOST participants over time (CDT)Start time Sever reboot
800 steps in viewer
Test completed
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Post-experiment rating of MOST success (n=22)
2
12
6
1 1
0
5
10
15
Very success ful Success ful Neutral Unsuccess ful Veryunsuccess ful
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NEES MCU Usage
0
100
200
300
400
Jan
Feb
Ma
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Ap
ril
Ma
y
Jun
e
July
Au
gu
st
Se
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Oct
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No
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r
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Ma
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Ap
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est
)
Month
Po
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ou
rs Commons
Michigan / USC
Total
Use of H.323 videoconferencing
UNR Demob c d
a = initial ES-TF meeting; b = ES-TF meeting time changed; c = succession to new ES-TF chair; d = change to biweekly ES-TF meetings
a NSF LAN meetings
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Challenges and prospects
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Challenges Costs incurred by developers are often borne
by users– Generalized solutions can be too heavy
Inertia– Research practices evolve more slowly than
technologies
Cultural conflicts– Engineering perspectives VS. computer science
perspectives
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Prospects
Attempts to apply new technology are often framed in terms of familiar technology
First efforts are often awkward hybrids
It is hard to know where the seeds of greatness might lie...
Source: American Automobile Manufacturers Association, http://www.automuseum.com/carhistory.html
Charles King’s “horseless carriage” (1896) Detroit, Michigan
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SCHOOL OF INFORMATION UNIVERSITY OF MICHIGAN
Relevant URLs
neesgrid.org
nees.org
www.scienceofcollaboratories.org
crew.umich.edu
si.umich.edu