Data-Driven Dynamical System Models of Roughness-Induced Secondary Flows in Thermally Stratified Turbulent Boundary Layers

Keyphrases

• Turbulent Boundary Layers 100%
• Secondary Flow 100%
• Dynamical System Model 100%
• Data-driven Dynamical Systems 100%
• Span-wise 66%
• Streamwise 66%
• Sparse Identification of Nonlinear Dynamics (SINDy) 66%
• Velocity Components 33%
• Stream Function 33%
• Large Eddy Simulation 33%
• Temporal Dynamics 33%
• Proper Orthogonal Decomposition 33%
• In-plane Motion 33%
• Streamwise Velocity 33%
• Homogeneous-heterogeneous 33%
• Modal Decomposition 33%
• Stream Function Formulation 33%
• Reflection Symmetry 33%
• Surface Roughness Distribution 33%
• Modal Coefficients 33%

Engineering

• Turbulent Boundary Layer 100%
• Secondary Flow 100%
• Model System 100%
• Streamwise 100%
• Induced Roughness 100%
• Stream Function ψ 66%
• Non-Linear Dynamic 66%
• Velocity Component 33%
• Proper Orthogonal Decomposition 33%
• Plane Motion 33%
• Spanwise Direction 33%
• Modal Decomposition 33%