Publications

Journal Articles

Prashant Kumar, Rajesh Ranjan
A Robust Data-Free Physics-Informed Neural Network for Compressible Flows with ShocksPublished
Computer and Fluids, January 2026. DOI: 10.1016/j.compfluid.2026.106975
Prashant Kumar, Rajesh Ranjan
Multiscale Physics-Informed Neural Network for Complex Fluid Flows with Long-Range DependenciesUnder Review
arXiv:2604.05652.
Prashant Kumar, Rajesh Ranjan
Hybrid Attention-Based Physics-Informed Neural Networks for Multiscale Feature ModelingIn Preparation

Conference Papers

Prashant Kumar, Smrutiranjan Nayak, Rajesh Ranjan
Turbo-PINN: A Mesh-Free Machine Learning Framework for Low-Reynolds-Number Turbine Blade Flow PredictionAccepted
IMECE (Gas Turbine India), Chennai, India, 2026.
Prashant Kumar, Rajesh Ranjan
Hemodynamic Modeling of Aortic and Intracranial Aneurysms Using Data-Free Physics-Informed Neural NetworksAccepted
CMBE, Japan, 2026.
Prashant Kumar, Rajesh Ranjan
Flow Predictions behind NACA 2412 Aerofoil Using Physics-Informed Machine Learning
ICCFD12, Kobe, Japan, 2024.
Prashant Kumar, Rajesh Ranjan
Evaluation of Physics-Informed Machine Learning Approach for Computation of Fluid Flows
FMFP (10th International & 50th National), 2023.
Prashant Kumar, Saurabh Singh Chauhan, Prasenjit Dey
Effect of Corner Curvature of Square Cylinder on Flow Transition and Heat Transfer
ICFTES, 2022.

Poster Presentations

Prashant Kumar, Rajesh Ranjan
Hybrid Attention-Based Physics-Informed Neural Networks for Multiscale Feature Modeling
Indo-Japanese Collaborative Workshop on CFD based AI and HPC, IIT Kanpur, Dec 2025.
Prashant Kumar, Rajesh Ranjan
On the ability of PINNs to Predict Shock-Boundary Layer Interactions (SBLIs) Without Data
CASML'25, IISc Bangalore, Dec 2025.
Prashant Kumar, Muskan Tongaria, Rajesh Ranjan
Improving Turbulent Flow Datasets Using Residual-Based Attention PINN (RBA-PINN)
MSML, Naples, Italy, Aug 2025.
Prashant Kumar, Rajesh Ranjan
Trading Data for Physics: The Promise of Data-Free ML in High-Speed Flow Modelling
HPC Symposium, IIT Kanpur, Apr 2025.
Prashant Kumar, Rajesh Ranjan
Prediction of Shocks Using a Consistent PINN-Based Approach
EMS-TAG-SciML-25, POLIMI, Italy, Mar 2025.