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Network Optimization Models (RNAS and ATOM)

Many critical infrastructures can be represented by a network of interconnected nodes and links. Mathematically sound nonlinear optimization techniques can then be applied to these networks to understand their behavior under normal and disrupted situations. Network optimization models are particularly useful for evaluating transportation system disruption effects on system capacity and the effectiveness of measures to reduce those...

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Chemical Supply Chain Analysis

Chemical Supply Chain Analysis

NISAC has developed a range of capabilities for analyzing the consequences of disruptions to the chemical manufacturing industry. Each capability provides a different but complementary perspective on the questions of interest—questions like Given an event, will the entire chemical sector be impacted or just parts? Which chemicals, plants, and complexes could be impacted? In which regions of the country? How long will these impacts...

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NISAC Agent-Based Laboratory for Economics (N-ABLE™)

NISAC Agent-Based Laboratory for Economics (N-ABLE™)

NISAC has developed N-ABLE™ to assist federal decision makers in improving the security and resilience of the U.S. economy.  N-ABLE™ is a large-scale microeconomic simulation tool that models the complex supply-chain, spatial market dynamics, and critical-infrastructure interdependencies of businesses in the U.S. economy. N-ABLE has been designed in particular to model how U.S. businesses can adapt to and recover from...

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Capabilities

Synopsis of NISAC Modeling Capabilities NISAC designed advanced modeling and simulation capabilities to analyze critical infrastructure vulnerabilities, interdependencies, and complexities. These analyses are used to aid our nation’s decisionmakers in policy-making, assessments, mitigation planning, education, training, and real-time assistance to crisis response organizations. The domains in which we work are large, complex,...

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