Onkar Sahni

Mechanical, Aerospace and Nuclear Engineering
Professor

Research

Other Focus Areas

Fluid Mechanics, Computational Fluid Dynamics, Turbulence Simulations, Computational Mechanics, High-Performance and Parallel Computing

Publications

The following is a selection of recent publications in Scopus. Onkar Sahni has 103 indexed publications in the subjects of Engineering, Computer Science, Engineering.

Large-scale turbulent interactions in the separation bubble of a 5:1 rectangular cylinder
Jing Zhang, Chris W. Letchford, Luca Patruno, Onkar Sahni, Daniel C. Lander
Computers and Fluids
, 308
, 2026
.
Towards Automatic Construction of 3D Shock-fitted Meshes based on Robust Shock Detection and Processing
Aiden Woodruff, Onkar Sahni
AIAA Science and Technology Forum and Exposition AIAA Scitech Forum 2026
, 2026
.
Mesh Adaptation for Accurate Prediction of Surface Heat Flux in Hypersonic Problems
Mikiel Gica, Zachary Gordon, Cameron S. Brown, Patrick Keistler, Saurabh Tendulkar, Rocco Nastasia, Giovanni Salazar, Mark Beall, Onkar Sahni
AIAA Science and Technology Forum and Exposition AIAA Scitech Forum 2026
, 2026
.
A GPU-Accelerated 3D Unstructured Mesh Based Particle Tracking Code for Multi-Species Impurity Transport Simulation in Fusion Tokamaks
Dhyanjyoti D. Nath, Timothy R. Younkin, Jerome Guterl, Mark S. Shephard, Onkar Sahni
Contributions to Plasma Physics
, 65
, 2025
.
A block-structured nonuniform meshing technique for reducing the degrees-of-freedom in hybrid particle-in-cell plasma simulations
M. F. Huq, V. V. Srinivasaragavan, O. Sahni, D. Curreli
Computer Physics Communications
, 313
, 2025
.
Robust and Automatic Shock Detection and Processing in High-speed Flow Simulations
Aiden Woodruff, Onkar Sahni
AIAA Science and Technology Forum and Exposition AIAA Scitech Forum 2025
, 2025
.
Towards Hybrid Quantum-Classical Computing for Large-Scale CFD: Tackling Scalability Challenges of the Variational Quantum Linear Solver
Viraj D’souza, S. Dhamotharan, Tanishque Kumar, Ramesh Kolluru, Ferdin Don Bosco, Rut Lineswala, Abhishek Chopra, Onkar Sahni
AIAA Aviation Forum and Ascend 2025
, 2025
.
In-memory Parallel Anisotropic Mesh Adaptation for Hypersonic Problems with Evolving Geometry
Mikiel Gica, Aiden Woodruff, Cameron S. Brown, Giovanni Salazar, Onkar Sahni
AIAA Science and Technology Forum and Exposition AIAA Scitech Forum 2025
, 2025
.
AI/ML-assisted Robust Shock Processing for CFD Applications
Onkar Sahni, Sharat Val, Aiden Woodruff, M. Arshad Zahangir Chowdhury
AIAA Science and Technology Forum and Exposition AIAA Scitech Forum 2025
, 2025
.
In-memory Parallel Anisotropic Mesh Adaptation for Unsteady Hypersonic Problems
Onkar Sahni, Cameron S. Brown, Mikiel Gica, Sharanjeet Kaur, Giovanni Salazar, Patrick Keistler
AIAA Aviation Forum and ASCEND, 2024
, 2024
.

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