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physics.flu-dyn2025
Variational mode decomposition analysis of the relationship between low-frequency shock-wave oscillations and buffet cells
Yuya Ohmichi, Yosuke Sugioka
This study investigates the relationship between low-frequency shock-wave oscillations and buffet cells on the main wing of the NASA common research model. The flow conditions were…
physics.flu-dyn2024
Variational Mode Decomposition-Based Nonstationary Coherent Structure Analysis for Spatiotemporal Data
Yuya Ohmichi
The conventional modal analysis techniques face difficulties in handling nonstationary phenomena, such as transient, nonperiodic, or intermittent phenomena. This paper presents a v…