Analysis of transient and intermittent flows using a multidimensional empirical mode decomposition
Lucas F. Souza,
Renato F. Miotto,
William Wolf
Abstract:Modal decomposition techniques are important tools for the analysis of unsteady flows and, in order to provide meaningful insights with respect to coherent structures and their characteristic frequencies, the modes must possess a robust spatial support. In this context, although widely used, methods based on singular value decomposition (SVD) may produce modes that are difficult to interpret when applied to problems dominated by intermittent and transient events. Fortunately, specific modal decomposition techn… Show more
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