Faculty

Areas of Interest

Multi-physics simulations, computational fluid dynamics, compressible flows, multiphase flows, bubble dynamics, droplet combustion, energetic materials, multi-scale modeling, direct numerical simulations, large eddy simulation, turbulence modeling, parallel computing, machine learning

Education:

• PhD, The University of Iowa
• M.Tech, IIT Kanpur
• B.Tech, NIT Durgapur

Professional Experience:

• Senior R&D Engineer, ANSYS Software Pvt. Ltd. (Dec.,2023-Feb, 2024)
• Research Engineer, Convergent Science Inc. (July,2022-Dec, 2023)
• Postdoctoral Research Associate at the University of Illinois Urbana-Champaign (Nov, 2020- June, 2022)
• Postdoctoral Research Scholar at the IIHR-Hydroscience & Engineering (Dec, 2019- Oct, 2020)

Selected Publications:

1. P. Das and H.S. Udaykumar, Mechanisms of shock-induced initiation at micro-scale defects in energetic crystal-binder systems, Shock Waves, 32, 593-616 (2023)
2. P. Das and H. S. Udaykumar, Shock-Induced Combustion of Aluminum Particle Clusters Investigated with Resolved Sharp-Interface Two-Dimensional Simulations, Phys. Rev. Fluids 6, 083201 (2021)
3. P. Das, P. Zhao, D. Perera, T. Sewell, and H. S. Udaykumar, Molecular Dynamics-Guided Material Model for the simulation of Shock-Induced Pore Collapse in Octahydro-1,3,5,7- Tetranitro- 1,3,5,7- Tetrazocine (-HMX), Journal of Applied Physics 130, 085901 (2021).
4. P. Das and H.S. Udaykumar, Sharp-Interface Calculations of the Vaporization Rate of Reacting Aluminium Droplets in Shocked Flows, International Journal of Multiphase Flow 134, 103442 (2021)
5. P. Das and H.S. Udaykumar, A Simulation-Derived Surrogate Model for the Vaporization Rate of Reacting Aluminium Droplets Heated by a Passing Shock Wave, International Journal of Multiphase Flow 103299 (2020)
6. P. Das and H.S. Udaykumar, A Sharp-Interface Method for the Simulation of Shock-Induced Vaporization of Droplets, Journal of Computational Physics 405, 109005 (2020)
7. P. Das, O. Sen, K.K. Choi, G. Jacobs, and H.S. Udaykumar, Strategies for Efficient Machine Learning of Surrogate Drag Models from Three-Dimensional Computations of Shocked Particulate Flows, International Journal of Multiphase Flow 108, 51 (2018)
8. P. Das, O. Sen, G. Jacobs, and H.S. Udaykumar, Metamodels for Interphase Heat Transfer from Meso-scale Simulations of Shock-Cylinder Interactions, AISS Journal 56, 3975 (2018)
9. P. Das, O. Sen, G. Jacobs, and H.S. Udaykumar, A Sharp Interface Cartesian Grid Method for Viscous Simulation of Shocked Particle-Laden Flows, International Journal of Computational Fluid Dynamics 31, 269 (2017)
10. P. Das and A. De, Numerical Study of Flow Physics in Supersonic Base-Flow with Mass Bleed, Aerospace Science and Technology 58, 1 (2016)
11. P. Das and A. De, Numerical Investigation of Flow Structures around a Cylindrical Afterbody under Supersonic Condition, Aerospace Science and Technology 47, 195 (2015)