NISAC developed a suite of models (Dam Operations Model and FAIT dam data sub-model) for evaluating the consequences of dam failures to support
all-hazard assessments and other consequence analyses. (Click graphic to enlarge.)
Interdependencies and System Modeling
NISAC uses state-of-the art interdependencies and system modeling capabilities
that provide the foundation for all NISAC products, including dynamic
asset prioritization, exercise planning, and
natural hazard impact analyses.
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Economic and Human Consequences
The fundamental metrics for consequence assessment in NISAC analyses are population and economic impact. NISAC uses a mixture of proprietary commercial software and in-house modeling and simulation capability to provide first-in-class estimates of these impacts.
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Asset/Facility Operations Modeling
Infrastructure operators interact with infrastructure systems by making decisions based on constraints and opportunities. To model such interactions, a general method to represent infrastructure decision processes is needed. The ability to model these interactions allows prediction of not only likely infrastructure operator response to external events but also the possible infrastructure impacts caused by those decisions.
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Fast Integrated Hazards Analysis
NISAC performs end-to-end analysis from the occurrence and direct effects of the event, to infrastructure interdependencies, to all associated impacts. To provide consistent consequence estimates across event analyses and to expand event scenarios to multiple cascading events, a common integrated simulation environment is needed. In addition, the completion of such a capability significantly improves NISAC’s ability to provide timely and cost effective analysis of event implications during a real event.
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The HYDRA team integrates economic models and datasets into HYDRA for the automated calculation of economic losses related to plume exposure, flood inundation, blast effects and infrastructure service interruption. (Click graphic to enlarge.)
An integrating architecture enables real-time coupling of high-resolution models
for full-detail interdependency analysis, as well as coupling of legacy applications
with significant external investment (without re-engineering of those applications).
Integrating architectures also improve analysis speeds and reduces operator
error through automation. These improvements support dynamic prioritization
analyses, fast turnaround analyses for events of concern, and exercise support.
An integrating architecture also can improve outreach and coordination with
other stakeholders in infrastructure protection such as the SSAs, FEMA, and
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