A hybrid dynamic mode decomposition algorithm combining random and sparsity promoting and its application to viscoelastic flow around circular cylinder

•We propose a hybrid method called sparsity promoting randomized dynamic mode decomposition (SP-RDMD).•SP-RDMD can reconstruct the overall flow pattern of the viscoelastic flow field with fewer modes.•SP-DMD significantly improves the computational efficiency for the viscoelastic flow field. Dynamic...

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Veröffentlicht in:	Applied mathematics and computation Jg. 505; S. 129508
Hauptverfasser:	Li, Xuan, Su, Jin, Feng, Jin-Qian, Lei, Xiong, Zhang, Rui-Bo
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Elsevier Inc 15.11.2025
Schlagworte:	Dynamic mode decomposition Model reduction Randomized algorithm Sparsity promoting Viscoelastic flow Viscoelastic flow Model reduction Dynamic mode decomposition Randomized algorithm Sparsity promoting
ISSN:	0096-3003
Online-Zugang:	Volltext
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