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on 07-08-2007 07:46
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Motivation. AGORA means
a "place of congregation," in this case, an international forum for
open-source software for multihazard risk modeling. To manage risk from
natural and technological disasters (earthquakes, hurricanes,
industrial accidents, etc.) and to understand the potential impacts of
new disaster science or policy, requires access to analytical and
computer risk models. The models are constantly in flux as science,
engineering, and disaster social science develop, but most researchers
and practitioners lack risk-integration tools and methods needed for an
overall understanding of risk, and must either re-develop existing
integrative software or abandon potentially fruitful study. HAZUS and
commercial risk software are designed to apply methods that have been
tested or are in some way authoritative, but tend to be inflexible to
new developments (closed source in terms of software) and opaque (black
box in terms of methodology).
Open-source risk software (OSR)
represents an emerging solution. It is software whose source code is publicly available for
review and enhancement. Important examples include:
-
USGS’ National Seismic Hazard Mapping effort, which has produced
freely available hazard software;
-
OpenSHA (opensha.org), which has further opened the “black box” to allow
researchers to study alternative methods and data for assessing hazard;
-
OpenSees (opensees.berkeley.edu), which provides advanced structural-analysis tools in an
open-source environment.
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SeismoStruct, a finite-element program (www.seismosoft.com).
While currently not open source, Seismosoft provides free advanced earthquake
engineering software.
-
OpenRisk, a set of methodologies and object-oriented, open-source
software for conducting multihazard risk analysis. It will assess risk to single
sites and portfolios of facilities in terms of repair costs, casualties, and
loss of use ("dollars, deaths, and downtime"). Initial applications have
been collaboratively developed by Caltech , USGS , SCEC , and Kyoto University .
OpenRisk represents the first open-source end-to-end modeling software dedicated
to the study of risk from natural disasters; its initial applications are
currently undergoing alpha testing, and will be made available as soon as they
enter the beta-test stage.
-
Other
open-source data and tools. These may include structural models for finite
element analysis, databases of component-level or building-level fragility
functions, analytical methods and tools for creating fragility functions, etc.
See the archive for
examples.
AGORA's mission. The Alliance for Global Open Risk
Assessment (AGORA) is conceived as a nonprofit, international virtual organization
created to promote and coordinate development of open-source risk software and
methodologies to perform end-to-end risk modeling. (End-to-end refers to
modeling the occurrence of hazardous events, site effects, physical damage to
the built environment, and economic and human impacts.)
The
AGORA Framework
Whereas, risk analysis is the foundation of risk reduction, and
Whereas, we all share natural and technological hazards risk, and
Whereas, risk analysis is most broadly accepted and used when
- Risk methodologies are open
-
Risk software is open source, and
-
Fundamental risk data (such as hazard and vulnerability) are
open,
Therefore, we support
-
Open risk analysis
-
Open risk methodologies
-
Open risk tools, including open-source software
-
Open risk data (such as hazard and vulnerability)
-
Shared and collaborative development of methods, tools and
data, and
-
Open communication of risk results
While respecting individual initiative and the individual’s right to the
fruits of that initiative.
Last update : 07-08-2007 07:46
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