PROJECTS / RESEARCH

Current DRL-CFD research with selected foundational studies.

Use filters to browse current-focus projects alongside earlier hypersonic/plasma contributions.

2025 · Current Focus

Deep Reinforcement Learning for Airfoil Pitching Moment Control

Under-review Computers & Fluids manuscript on PPO-based DRL control of a NACA0012 airfoil (Rec=3000\mathrm{Re}_c=3000, α=10\alpha=10^\circ) for quarter-chord pitching-moment trim using CFD-in-the-loop active flow control.

  • Current Focus
  • DRL
  • Active Flow Control
  • CFD
  • HPC

2024 · Framework

TorchRL/Stable-Baselines3 + PyFR Coupled Control Framework

Research software framework for parallelized RL-CFD experiments with reproducible training, rollout, and evaluation workflows.

  • Current Focus
  • DRL
  • CFD
  • HPC
  • Research Tools

2026 · In Progress

Optimal Pressure Sensor Placement for Reward Computation in RL-Based Active Flow Control

In-progress study on sparse pressure-probe layouts for reconstructing lift and quarter-chord pitching moment in DRL-driven airfoil flow control.

  • Current Focus
  • DRL
  • Active Flow Control
  • CFD
  • Research Tools

2024 · Published

Modal Analysis of Turbulent Flows Simulated with Spectral Element Method

Collaborative study on modal characterization in turbulent flows, connected to high-order numerics and analysis workflows.

  • Current Focus
  • CFD
  • High-Order Methods

2023 · Prior Work

Effect of Transport Coefficients on RAM-C-II Plasma Density

Prior work on plasma-density sensitivity to transport-coefficient choices in high-speed flow simulations.

  • Prior Work
  • CFD

2023 · Prior Work

Effect of Local Thermal Strips on Hypersonic Boundary-Layer Instability

Prior hypersonic research on local thermal forcing and instability behavior in boundary-layer transition studies.

  • Prior Work
  • CFD
  • High-Order Methods

2022 · Prior Work

Electron Losses in Hypersonic Flows

Prior publication (Editor's Pick) on electron-loss behavior in hypersonic plasma flows.

  • Prior Work
  • CFD

Prasanna Thoguluva Rajendran · Ph.D. Student in Aerospace Engineering · University of Arizona, Tucson, AZ