Biography

Shreyas Ashok is a PhD Student in Aerospace Engineering at Georgia Tech, under the supervision of Dr. Juergen Rauleder. He is honored to be a recipient of the NSF Graduate Fellowship and Vertical Flight Foundation PhD Scholarship. His research focuses on mid-fidelity computational Lattice-Boltzmann simulations of rotorcraft aerodynamics, including simulations of helicopter ship-deck landing operations. Shreyas previously received a B.S. degree in Mechanical Engineering from North Carolina State University in 2020, and a M.S. degree in Aerospace Engineering from Georgia Tech in 2022. In his career, Shreyas hopes to advance the field of Computational Fluid Dynamics by enabling rapid, fast-turnaround mid-fidelity simulations that can make CFD more useful for design, simulation, and analysis.

Outside of the lab, Shreyas is a Carnatic, or South Indian classical, vocal music student, and he also enjoys playing sports and games. He is also pursuing his Private Pilot License.

Research

Mid-Fidelity Lattice-Boltzmann Rotorcraft Aerodynamics Simulations

Publications

Ashok, S.G., and Rauleder, J., “Towards Real-Time Coupled Ship–Rotorcraft Interactional Simulations using GPU-Accelerated Lattice-Boltzmann Method,” Vertical Flight Society Forum 80, Montréal, Québec, Canada, May 7–9, 2024.

Ashok, S.G., and Rauleder, J., “Mid-Fidelity NATO Generic Destroyer Static and Moving-Ship Airwake Simulations Using the Lattice-Boltzmann Method Compared with Experimental Data, Ocean Engineering, Vol. 298, 2024, 117264, ISSN 0029-8018, DOI: 10.1016/j.oceaneng.2024.117264

Ashok, S.G., Jude, D., and Rauleder, J., “Comparison of Navier–Stokes and Lattice-Boltzmann Method CFD Approaches for Ship–Rotor Interactional Aerodynamics Using Cartesian GPU Solvers,” Transformative Vertical Flight 6th Decennial Aeromechanics Specialists’ Conference, Santa Clara, CA, February 2024

Ashok, S.G., Hosseini, S., and Rauleder, J., “Real-Time Dynamic Inflow Model for a Coaxial Helicopter Configuration Using the Lattice–Boltzmann Method,” AIAA SciTech Forum, Orlando, Florida, January 2024, DOI: 10.2514/6.2024-1718

Ashok, S.G., and Rauleder, J., “NATO Generic Destroyer Moving-Ship Airwake Validation and Rotor-Ship Dynamic Interface Computations using Immersed Boundary Lattice-Boltzmann Method,” Vertical Flight Society, Forum 79, West Palm Beach, FL, May 16-18, 2023. DOI: 10.4050/F-0079-2023-18125

Kurban, E., Ashok, S.G., and Rauleder, J., “Computationally Efficient Ship Airwake Simulations for Rotorcraft Shipboard Operations Using a GPU-Accelerated Lattice-Boltzmann Solver” 48th European Rotorcraft Forum Proceedings, Winterthur, Switzerland, Sept 2022.

Ashok, S.G., and Rauleder, J., “Investigation of Interpolation Methodologies for Arbitrary Lagrangian Eulerian Lattice–Boltzmann Formulations with Applications to Real–Time Rotorcraft Flight Simulations,” AIAA Aviation Forum, Chicago, IL, June 27– July 1, 2022. DOI: 10.2514/6.2022-3750

Ashok, S.G., and Echekki, T., “A numerical study of backdraft phenomena under normal and reduced gravity”, Fire Safety Journal, Volume 121, 2021. DOI: 10.1016/j.firesaf.2020.103270

Favorite Cereal

Honey Bunches of Oats