Tomasz Haupt Northeast Parallel Architectures Center, Syracuse University
Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt...
-
Upload
hester-brown -
Category
Documents
-
view
223 -
download
4
Transcript of Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt...
![Page 1: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/1.jpg)
Seismic Performance in Urban Regions (SPUR): A Simulation Example
Roger L. King
Tomasz Haupt
Mississippi State University
Gregory L. Fenves
University of California, Berkeley
Jacobo Bielak
Carnegie Mellon University
Joerg Meyer
University of California, Irvine
NSF NEES Awardees MeetingSeptember 11-12, 2003
![Page 2: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/2.jpg)
Outline of Presentation
• Roots of project• What is SPUR?• Value of integration• Structural performance• Earthquake ground motion modeling• City response• Visualization• SPURport – web portal• Future plans• SPURport demo
![Page 3: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/3.jpg)
An NSF ERC Problem Centered Research Flow Process
![Page 4: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/4.jpg)
SPUR, a Distributed Simulation Framework for Seismic Performance for Urban Regions
• Advance the state-of-the-art in simulating the effects of a major earthquake on an urban region.
• Integration of earthquake ground motion modeling with modeling of structural and infrastructure systems using advanced computational and visualization methods
• Shift focus from a discipline specific approach to a problem centered approach.
![Page 5: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/5.jpg)
SPUR, a Distributed Simulation Framework for Seismic Performance for Urban Regions
• A distributed interactive simulation framework will be created to facilitate investigation of the performance of urban regions resulting from a major earthquake and for the education of future earthquake engineers.
• The goal is to develop tools that will ultimately permit damage estimates based on best available information.
• This can lead to earthquake related risk analysis/assignment for an urban region and to provide a rich problem solving environment for the education of students.
![Page 6: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/6.jpg)
PBEE
SSFI
Basin Effects
Large Scale Viz
Fundamental Research• Computational seismology• SSI with DRM• PBEE Performance measures• Spatial distribution of performance• Large scale viz.
Enabling Technologies• Archimides• OpenSees• NEESgrid• System integration
Middleware
NEESHPC Resource
Viz
Systems-level Applications• Loss estimation• Tools for decision makers• Scenarios for planning
MicrozonationPlanning
Emerg. Resp.Education
Loss Estimate
SPUR Strategic Vision
![Page 7: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/7.jpg)
System Architecture
ground motion data
(CMU)precomputed simulations
ground motion data
(CMU)precomputed simulations
rendering + portal(UCI) (MSU)
immersive rendering &web-based portal
rendering + portal(UCI) (MSU)
immersive rendering &web-based portal
structural response
(Berkeley)precomputed or online
simulations
structural response
(Berkeley)precomputed or online
simulations
![Page 8: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/8.jpg)
SPURport: The Grid based portal for SPUR
• Provide earthquake community with collaborative environment for research on Seismic Performance of Urban Regions and training of future earthquake engineers.
• Develop NEESgrid application of databases, computation, visualization, using distributed Grid-accessible resources; demonstrate ability to use NEESgrid resources at any location
• Opportunity to apply NEESgrid software releases to a substantial application and provide NEESgrid developers feedback
• Add to simulation capability of NEES
![Page 9: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/9.jpg)
SPURport Prototype
• Development begun summer 2003
• Design and rapid prototyping iterations
• Extensible as SPUR functionality increases and NEESgrid matures
• Coordinate future SPURport development with NEESgrid roadmap
![Page 10: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/10.jpg)
Strike slip Fault Simulation ModelPeak Ground Displacement
Peak Ground Velocity
![Page 11: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/11.jpg)
Thrust Fault Simulation ModelPeak Ground Displacement
Peak Ground Velocity
![Page 12: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/12.jpg)
Structural Models for Regional Simulation
ObjectiveEvaluate regional distribution of Engineering Demand Parameters (EPD)SDF Model u
u
u
uu
u
u
u
Grid point
- “Hydra” model- Multiple parameters and multiple orientations- Constant strength analysis- Constant ductility analysis
Simulation Tool – OpenSees (PEER software framework for simulation)
Building Models
ShearBeamModel
GeneralizedFrameModel
BuildingModels
![Page 13: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/13.jpg)
Constant Ductility Analysis for Strike Slip Fault
![Page 14: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/14.jpg)
Constant Ductility Analysis for Thrust Fault
![Page 15: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/15.jpg)
SAC 9 story OpenSees Model
Column Fiber Section
Beam Fiber Section
Leaning columnsfor P- effects
Distributed Plasticity Beam-Column
LA 10%/50 year
![Page 16: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/16.jpg)
Regional Distribution of SAC 9 story EDP
Roof drift ratio
Max Plastic Rotation
Max Story Drift Ratio
PGV
![Page 17: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/17.jpg)
Regional Distribution of SAC 20 story EDP
Max Plastic Rotation
Roof drift ratio
Max Story Drift Ratio
Story 22
Story 15
PGV
![Page 18: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/18.jpg)
Calibration of Shear Beam Model
Pushover Analysis of Frame Model Shear Beam Model
Story Force-Deform.
![Page 19: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/19.jpg)
Calibration of Generalized Frame Model
SAC 9-story Building
All rotations at joints lying at each floor level are identical
Mpi
Myi
MBi
KBij = 6EIBij/Lj
MBi = KBi i
KBi = 2KBij
Mpi = 2Mpij
i
Rotational Spring
Column
KCi = KCij
M
Column is modeled using elastic beamwith plastic hinge with hinge length
![Page 20: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/20.jpg)
Comparison of Floor Displacement
Generic Frame Model
Floor 1 Floor 2 Floor 3
Floor 1 Floor 2 Floor 3
Shear Beam Model
![Page 21: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/21.jpg)
Comparison of Story Drift
Generic Frame Model
Story 1 Story 2 Story 3
Story 1 Story 2 Story 3
Shear Beam Model
![Page 22: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/22.jpg)
Regional Distribution of EDP, 3-Story
Roof Displacement
SAC Frame Model Shear Beam Model Generic Frame Model
SAC Frame Model Shear Beam Model Generic Frame Model
Max Story Drift
![Page 23: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/23.jpg)
Computational Challenge
SAC 9-Story Simulation– 306 DOFS, 1800 time steps.
– Approx 4 min. per grid point.
– 25,281 grid points.
– 70 days in single processors.
Constant Ductility Analysis– 28 parameter combinations.– Considering 8 orientations.– 25,281 grid points.– 5 iterations in average.– One million non-linear analysis
of SDF system per parameter.
![Page 24: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/24.jpg)
Parallel Computation Approaches• Use MPI in distributed memory system (e.g. Linux cluster).• Dynamic load balancing essential for even finish time with various
load conditions on multiple processors.• Two approaches developed for hardware architectures and regional
simulation problems.
Producer-Consumer Approach
Parent nodes
Child nodes
NFS servers
dataresult
Master node
work size
dataoutput
NFS servers
data
output
Steal work load
Steal work load
Steal work loadSteal work load
Stealer Approach
![Page 25: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/25.jpg)
OpenSees Applications for Parallel Computing
Parallel simulation applications built with OpenSees API and MPI API can be implemented using NEESgrid resources.
Model Domain
Element Material Pattern
Analysis Solution Procedures
OpenSeesFramework
wake
Packaging Send output
wait
Un-packaging
Receive Ground Motion
Structure parameter
Slave Node
Job Queue
Wait Queue
Ground Motion Data
Recording output
Receive outputUn-packaging
SendGround Motion
Structure parameter
pack
agin
g
ProcessManage
Master Node
Producer-Consumer Approach
![Page 26: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/26.jpg)
Northridge Earthquake mainshock
(USGS)(USGS)
![Page 27: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/27.jpg)
Rupture Model
Dep
th (
km
)
Wald et al. (1996)Wald et al. (1996)Strike=122 (S58E), Dip=40 (S32W), Rake=101Strike=122 (S58E), Dip=40 (S32W), Rake=101
USGSUSGS
![Page 28: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/28.jpg)
Rupture propagation (velocity)
![Page 29: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/29.jpg)
Snapshots of surface velocity
Peak ground velocity Peak ground velocity ((USGS)USGS)
![Page 30: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/30.jpg)
Verification against other
codes
-Graves (URS)
- Archimedes -Quake
![Page 31: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/31.jpg)
IDEALIZED MODELCross Section
Reduced Domain
Cascading (3 models)
![Page 32: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/32.jpg)
FREE FIELD RESPONSEPeak values of displacement and velocity
Analysis Region
Observation Point(1280, 3000)
![Page 33: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/33.jpg)
Observation Point
Velocity (m/s)
|FT|
![Page 34: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/34.jpg)
Peak Ground Velocity in Region of Interest
Vm
ax
800 m/s
100 m/s
200 m/s 40 m
![Page 35: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/35.jpg)
Random City Model
![Page 36: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/36.jpg)
FEM BIM LAYOUT
![Page 37: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/37.jpg)
Influence Of Different Structural Distributions On Maximum Ground
Velocity (EW)
Free-field 3 1.0-Hz Buildings R-City
![Page 38: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/38.jpg)
Notation for SSI
57
44
![Page 39: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/39.jpg)
SSI Analysis of Three Building Groups for the R-City Simulation (EW Displacement)
![Page 40: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/40.jpg)
Maximum Velocity Response
1.0-Hz City buildings 2.0-Hz City buildings R-City buildings
EW
NS
![Page 41: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/41.jpg)
Random City Simulation(launched through SPURport)
![Page 42: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/42.jpg)
VisualizationNew Algorithms:• TetFusion
• Efficient 3-D mesh decimation• More efficient than edge-collapse• Various levels of detail• Controlled Fusion
• Metric 1: local scalar attribute error• Metric 2: accumulated scalar error
• QTetFusion• QuadMetric:
• Metric 3: topology preservation
![Page 43: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/43.jpg)
SPURport Architecture
Tele-presence
NEESpop (middleware)
MSU extensions(Enterprise Computational System)
ApacheTomcat
JetSpeedChef
NEESgrid services
DBMS(postgress)
EJB container(JBoss)
OGSI(globus 3.0)
ECSapplicationstreaming
device driver
Data Controller
Data streaming andchannel management
Authentication andauthorization
SPURapplet
Request
Data
NSDS
Data andMetadata
Collaboration
ERCat Mississippi State PSC NCSA
OpenSees OpenSeesGround Motion
DataStruct. Resp.
Data
Ground MotionData
Front End
Back End
![Page 44: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/44.jpg)
SPURport Data Objects
EQVolumeData
GroundMotionData
RegionalSimulation
StructModel PopulationMethod(inventory)
Spatial Quantity
SpatialResponseData
EQModel
association (has a ….)
composition (contains a ….)
![Page 45: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/45.jpg)
SPURport functionality
EarthquakeModel
Inventoryof Structures
view data
extract data
StructureModel
select or definea structure
(set parameters)
select location
run simulation
select or definean inventory
run simulation (future)
view data view data
![Page 46: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/46.jpg)
Earthquake model
![Page 47: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/47.jpg)
Structural Model
![Page 48: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/48.jpg)
Population Method
![Page 49: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/49.jpg)
Spatial Response Data
![Page 50: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/50.jpg)
Individual Structure Response
![Page 51: Seismic Performance in Urban Regions (SPUR): A Simulation Example Roger L. King Tomasz Haupt Mississippi State University Gregory L. Fenves University.](https://reader038.fdocuments.us/reader038/viewer/2022110210/56649ea75503460f94baa8e9/html5/thumbnails/51.jpg)
Future Plans• System level V&V (understand limits)• Create building inventory (Variable building
types)• Structural performance of this inventory
during 1994 Northridge earthquake• Soil Structure Foundation Interaction during
1994 Northridge earthquake• Other structures (highway bridges, etc.)• Create 4D visualization toolkit for use with
PCs• Improved texture-based volume rendering• Make SPURport available to community• Initiate interactions with FEMA and HAZUS