Assessing the demand vulnerability of equilibrium traffic networks via network aggregation
- Submitting institution
-
The University of Leeds
- Unit of assessment
- 12 - Engineering
- Output identifier
- ITS-6
- Type
- D - Journal article
- DOI
-
10.1007/s11067-014-9251-9
- Title of journal
- Networks and Spatial Economics
- Article number
- -
- First page
- 367
- Volume
- 15
- Issue
- 2
- ISSN
- 1566-113X
- Open access status
- Out of scope for open access requirements
- Month of publication
- July
- Year of publication
- 2014
- URL
-
-
- Supplementary information
-
-
- Request cross-referral to
- -
- Output has been delayed by COVID-19
- No
- COVID-19 affected output statement
- -
- Forensic science
- No
- Criminology
- No
- Interdisciplinary
- No
- Number of additional authors
-
1
- Research group(s)
-
-
- Proposed double-weighted
- No
- Reserve for an output with double weighting
- No
- Additional information
- The central contribution of this paper is that it provides a method for network aggregation. The application to vulnerability of the network illustrates one of many potential uses. Inputs to the standard network user equilibrium model are the matrix of Origin-Destination demands, the network link cost functions and the node-link network connectivity. Computing equilibrium flows and OD costs requires an algorithm, and the functional dependence is hence obscured. We collapse this model into a matrix of closed-form OD demand functions that accurately approximate the equilibrium costs, reveal functional interdependences and allow instant computation thus saving on computation time.
- Author contribution statement
- -
- Non-English
- No
- English abstract
- -
