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Devin completed his Master's Thesis (titled Numerical Simulations and Global Stability of Viscous Confined and Semi-Confined Wakes) under Professor Keiko Nomura at the University of California, San Diego. He investigated the stability properties of a Laminar 2D Wake in both an unconfined, semi-confined, and confined configuration using Nek5000, an Open-Source Direct Numerical Simulation CFD software to solve the nonlinear Navier-Stokes equations.
Instability Growth Rates
Instability Frequencies
Reverse Flow Region Lengths
Wake Total Lengths
Semi-Confined Laminar Wake
Semi-Confined Laminar Wake
A video showing a similation result for a semi-confined laminar 2D wake. This is the primary flow that Devin is studying for his Master's thesis.
Confined Laminar Jet
Confined Laminar Jet
A video showing some simulation results for a confined laminar 2D jet. Due to the complexities of the 3 instabilities present in the jet flow, this flow was not further studied.
Saturated Vorticity of the Confined Wake, Instantaneous Snapshot (h=1.5, 1/Λ=-1.2, Re=100)
Saturated Vorticity of the Semi-Confined Wake, Instantaneous Snapshot (h=1.5, 1/Λ=-1.2, Re=100)
Ho, D. J. (2025). Numerical Simulations and Global Stability of Viscous Confined and Semi-Confined Wakes. UC San Diego. ProQuest ID: Ho_ucsd_0033M_24804. Merritt ID: ark:/13030/m58q7r70. Retrieved from https://escholarship.org/uc/item/621171bs
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