Sökning: "Koopman mode decomposition"

Hittade 2 uppsatser innehållade orden Koopman mode decomposition.

1. 1. Reduced Order Modelling using Dynamic Mode Decomposition and Koopman Spectral Analysis with Deep Learning

   Master-uppsats, Lunds universitet/Matematik LTH

   Författare :David Krantz; Olof Månsson; [2020]
   Nyckelord :non-linear dynamical systems; modal decomposition; Koopman operator theory; machine learning; data-driven analysis; Mathematics and Statistics;

   Sammanfattning : In the industry simulation models are commonly used in system development. These models can become complicated in order to capture the physical behaviour of the underlying dynamical system. A high-fidelity representation, which can result in long simulation times, is in some settings not strictly required. LÄS MER

3. 2. Koopman mode analysis of the side-by-side cylinder wake

   Master-uppsats, KTH/Mekanik

   Författare :Jimmy Röjsel; [2017]
   Nyckelord :Bluff body; wake flow; Side-by-side cylinder wake; Flip-op instability; Modal analysis; Koopman operator; Koopman mode decomposition;

   Sammanfattning : In many situations, fluid flows can exhibit a wide range of temporal and spatial phenomena. It has become common to extract physically important features, called modes, as a first step in the analysis of flows with high complexity. LÄS MER