Comparative Aerodynamic Analysis and Parallel Performance of 2D CFD Simulations of a VAWT Using Sliding Mesh Interface Method

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dc.authoridÖnel, Hüseyin Can/0000-0002-4055-7706
dc.authoridSEZER UZOL, Nilay/0000-0002-5470-1553
dc.authoridADAM, ALİ ATA/0000-0003-0314-6235
dc.contributor.authorOnel, Hueseyin Can
dc.contributor.authorAdam, Ali Ata
dc.contributor.authorUzol, Nilay Sezer
dc.date.accessioned2026-02-27T07:33:25Z
dc.date.available2026-02-27T07:33:25Z
dc.date.issued2025
dc.description.abstractWith rapid advancements in computer hardware and numerical modeling methods, Computational Fluid Dynamics (CFD) has gained prominence in simulating complex flows. As parallel computation becomes an industry standard, the computational efficiency of simulations has become critical. The flow around a Vertical Axis Wind Turbine (VAWT), characterized by complex dynamics and challenging rotating geometry, serves as an intriguing case for CFD studies. This study employs the open-source CFD solvers SU2 and OpenFOAM to simulate the incompressible, unsteady, and turbulent flow around an H-type Darrieus VAWT in two dimensions. Spatial and temporal discretization parameters are examined to balance computational cost and accuracy, revealing notable effects on power predictions. Simulations conducted under identical conditions allow for a comparison of the predictions and parallel performances of SU2 and OpenFOAM across three distinct tip speed ratios (TSRs). The findings show that discretization parameters behave differently at various TSRs. While power predictions from SU2 and OpenFOAM generally align with experimental data and with each other, discrepancies arise at lower TSRs, with thrust predictions showing better consistency. Although OpenFOAM provides a faster solution across all parallel configurations, SU2 demonstrates superior parallel scalability, achieving higher speedup and efficiency.
dc.identifier.doi10.1002/cpe.8353
dc.identifier.issn1532-0626
dc.identifier.issn1532-0634
dc.identifier.issue3
dc.identifier.urihttp://dx.doi.org/10.1002/cpe.8353
dc.identifier.urihttps://hdl.handle.net/20.500.14669/4556
dc.identifier.volume37
dc.identifier.wosWOS:001395414100001
dc.indekslendigikaynakWeb of Science
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofConcurrency and Computation-Practice & Experience
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20250327
dc.subjectdynamic mesh
dc.subjectOpenFOAM
dc.subjectSU2
dc.subjectparallel performance
dc.subjectVertical Axis Wind Turbine (VAWT)
dc.subjectComputational Fluid Dynamics (CFD)
dc.titleComparative Aerodynamic Analysis and Parallel Performance of 2D CFD Simulations of a VAWT Using Sliding Mesh Interface Method
dc.typeArticle

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