Results 11 to 20 of about 24,798 (283)
Phase proper orthogonal decomposition of non-stationary turbulent flow [PDF]
The Physics of Fluids, 2023 A phase proper orthogonal decomposition (Phase POD) method is demonstrated, utilizing phase averaging for the decomposition of spatio-temporal behaviour of statistically non-stationary turbulent flows in an optimized manner. The proposed Phase POD method
Yisheng Zhang +4 more
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IEEE Access, 2022 In this work, we propose a data-driven reduced-order model (ROM) for high dimensional flow fields by combining flow modal decomposition and multiple regression.
Li Xu +4 more
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Some practical remarks in solving partial differential equations using reduced order schemes obtained through the POD method [PDF]
INCAS Bulletin, 2022 In this paper we address the subject of mathematical modelling, more precisely the optimization of algorithms for numerically solving partial differential equations.
Alexandru SOLOMON +2 more
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Multi-scale reconstruction of turbulent rotating flows with proper orthogonal decomposition and generative adversarial networks [PDF]
Journal of Fluid Mechanics, 2022 Data reconstruction of rotating turbulent snapshots is investigated utilizing data-driven tools. This problem is crucial for numerous geophysical applications and fundamental aspects, given the concurrent effects of direct and inverse energy cascades ...
Tianyi Li +5 more
semanticscholar +1 more source
Spectral proper orthogonal decomposition [PDF]
, 2015 The identification of coherent structures from experimental or numerical data is an essential task when conducting research in fluid dynamics. This typically involves the construction of an empirical mode base that appropriately captures the dominant ...
Oberleithner, Kilian +2 more
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Reduced Order Modelling of Shigesada-Kawasaki-Teramoto Cross-Diffusion Systems
Journal of Mathematical Sciences and Modelling, 2023 Shigesada-Kawasaki-Teramoto (SKT) is the most known equation in population ecology for nonlinear cross-diffusion systems. The full order model (FOM) of the SKT system is constructed using symmetric interior penalty discontinuous Galerkin method (SIPG ...
Gülden Mülayim
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Journal of Marine Science and Engineering, 2023 Podded propulsors have become a focal point of research in the field of marine propulsion in recent years due to their high efficiency, low noise, and excellent maneuverability. To investigate the acoustic characteristics induced by the flow field of podded propulsors, a high-precision unsteady numerical simulation was conducted using the Delayed ...
Changsheng Chen +5 more
openaire +2 more sources
Extraction of the mode shapes of a segmented ship model with a hydroelastic response
International Journal of Naval Architecture and Ocean Engineering, 2015 The mode shapes of a segmented hull model towed in a model basin were predicted using both the Proper Orthogonal Decomposition (POD) and cross random decrement technique.
Yooil Kim, In-Gyu Ahn, Sung-Gun Park
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Applied Sciences, 2020 Temperature information has a certain significance in thermal energy systems, especially in gas combustion systems. Generally, measurements and numerical calculations are used to acquire temperature information, but both of these approaches have their ...
Minxin Chen +4 more
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Schlieren Flow Visualization and Analysis of Synthetic Jets
Fluids, 2021 This work explores several low-cost methods for the visualization and analysis of pulsed synthetic jets for cooling applications. The visualization methods tested include smoke, Schlieren imaging, and thermography.
John E. Pellessier +2 more
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