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Reduced-order surrogates for forced flexible mesh coastal-ocean models

delete2026-06-10
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PRE
AI
F
Freja Høgholm Petersen *
J
Jesper Sandvig Mariegaard
R
Rocco Palmitessa
A
Allan P. Engsig-Karup
DOI：10.1016/j.ocemod.2026.102772delete
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Abstract

Abstract

En 中文
• Koopman autoencoder extended to forced coastal-ocean systems and compared to POD. • Surrogates evaluated on three real-world hydrodynamic coastal-ocean domains. • Temporal unrolling improves multi-step prediction accuracy. • Koopman surrogates yield -0.64%–12% error change vs MIKE 21 compared to observations. • Surrogates are 300–1400x faster than physics-based model.

Journal

Ocean Modelling cover
Ocean Modelling
IF:
2.9
Papers:
2.1K
Citations:
5.4K

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dtu
Scholars:
35
Papers: 23
Citations: 3
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Scholars:
4
Papers: 1
Citations: 0
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