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Mattuschka, Marco and Walter, Daniel and von Danwitz, Max and Popp, Alexander (2026) Sparse Source Identification in Transient Advection-Diffusion Problems with a Primal-Dual-Active-Point Strategy. Computer Methods in Applied Mechanics and Engineering, 454. Elsevier. doi: 10.1016/j.cma.2026.118854. ISSN 0045-7825.
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Official URL: https://www.sciencedirect.com/science/article/pii/S0045782526001283
Abstract
This work presents a mathematical model to enable rapid prediction of airborne contaminant transport based on scarce sensor measurements. The method is designed for applications in critical infrastructure protection (CIP), such as evacuation planning following contaminant release. In such scenarios, timely and reliable decision-making is essential, despite limited observation data.
| Item URL in elib: | https://elib.dlr.de/222948/ | ||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||
| Title: | Sparse Source Identification in Transient Advection-Diffusion Problems with a Primal-Dual-Active-Point Strategy | ||||||||||||||||||||
| Authors: |
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| Date: | 13 February 2026 | ||||||||||||||||||||
| Journal or Publication Title: | Computer Methods in Applied Mechanics and Engineering | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | Yes | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||
| Volume: | 454 | ||||||||||||||||||||
| DOI: | 10.1016/j.cma.2026.118854 | ||||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||||
| ISSN: | 0045-7825 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | Large-scale inverse problems, Source detection | ||||||||||||||||||||
| HGF - Research field: | other | ||||||||||||||||||||
| HGF - Program: | other | ||||||||||||||||||||
| HGF - Program Themes: | other | ||||||||||||||||||||
| DLR - Research area: | no assignment | ||||||||||||||||||||
| DLR - Program: | no assignment | ||||||||||||||||||||
| DLR - Research theme (Project): | no assignment | ||||||||||||||||||||
| Location: | Rhein-Sieg-Kreis | ||||||||||||||||||||
| Institutes and Institutions: | Institute for the Protection of Terrestrial Infrastructures > Simulation Methods for Digital Twins Institute for the Protection of Terrestrial Infrastructures | ||||||||||||||||||||
| Deposited By: | Mattuschka, Marco | ||||||||||||||||||||
| Deposited On: | 20 Feb 2026 13:34 | ||||||||||||||||||||
| Last Modified: | 04 Mar 2026 13:04 |
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