Projects | Computational Flow Physics

Current

Modal Analysis for Open Cavity Flows

Using spectral modal analysis to uncover nonlinear flow phenomena and develop reduced-order models in turbulent open cavity flows. Focuses on shear-layer instabilities, acoustic pressure waves, and low-frequency oscillations at turbulent Reynolds numbers.

Similarity Scaling of Hypersonic Entropy Layers

Develops a similarity-based model to efficiently reconstruct downstream entropy-layer density and velocity profiles from freestream conditions and geometry, supporting rapid base-flow generation for stability and design studies.

Machine Learning Control of Jet Noise

Combining high-fidelity large-eddy simulations with Deep Reinforcement Learning to identify new control laws for jet noise mitigation using localized arc filament plasma actuators in airframe-integrated rectangular nozzles.

Multi-Fidelity Aerodynamic Optimization

Advancing unsteady flow simulations at different levels of fidelity to support multidisciplinary design optimization. Part of the CC DROIDS collaborative center, incorporating data-driven approaches, adjoint-based optimization, and spectral proper orthogonal decomposition.

Dynamic Stall Precursors and Prediction

Developing a physically interpretable, data-driven framework for forecasting dynamic stall by combining space-time proper orthogonal decomposition with conditional statistics to identify precursors in high-fidelity unsteady flow simulations and convert precursor similarity into probabilistic early-warning predictions.

Hydroacoustic Model Reduction for Naval Wakes

Developing physics-consistent, data-driven diagnostics and reduced-order models for stationary and transient naval wakes, including hydrofoil and propulsor-adjacent flows where vorticity interactions shape efficiency, maneuvering response, and acoustic signatures. Part of the NISEC Center.

Laser Amplifier Thermal Optimization

Multi-physics optimization of gas-cooled laser amplifier heads for next-generation high-average-power lasers. Focuses on enhancing cooling efficiency, eliminating flow-induced vibrations, and improving beam quality through advanced CFD techniques.

Laminar-Turbulent Transition

Using spectral and space-time modal decompositions to discover amplification mechanisms and symmetry breaking during laminar-turbulent transition in wall-bounded shear flows. Applied to K- and H-type transition scenarios to extract nonlinear flow structures and estimate energy transfer functions.

Completed

Mesh-free Navier-Stokes and Stability

Novel mesh-free approach for resolvent analysis based on radial basis functions, enabling prediction of large-scale coherent structures in turbulent flows within complex geometries with arbitrarily high-order accuracy.

Shoaling Internal Gravity Waves

High-fidelity numerical simulation and statistical analysis of shoaling internal gravity waves to investigate coherent structure development during nonlinear evolution. Applies hydrodynamic stability theory to quantify spanwise instabilities.