Dr. Ashwani Assam

 
Dr. Ashwani Assam
DST Inspire Faculty
Mechanical Engineering
Ph.D., MAE, IIT Hyderabad
aashwani[*AT]iitp.ac.in
Research Areas : Computational Fluid Dynamics (CFD), Compressible Fluid Flow, Turbulence Modelling, Rarefied Gas Flows, Numerical Methods for flow and heat transfer
Sponsored Project :
Funding Agency Title Research Grant (in INR) Duration Status Remark
DST Study of non-equilibrium flows related to space debris and nano/microfluidics. 35 Lakhs 5 years(2020-2025) Ongoing -
Awards & Achievements :
  • DST Inspire Faculty Award - 2019
  • Research excellence award for the Year 2018 in Mechanical & Aerospace category, IIT Hyderabad.
  • Institute gold and silver medal for securing highest CGPA in M-Tech (in all Departments and in Mechanical & Aerospace Engg.), IIT Hyderabad.
  • Academic excellence award for the Year 2012-13 in Mechanical M-Tech category, IIT Hyderabad.
  • Laureate certificate for academic performance in the Year 2008, DAV BSEB, Patna.
Professional Experience : Post-Doctoral Fellow, IIT Palakkad (July 2019 – July 2020)
Major Codes Developed :
  • 3D Unstructured density based CFD Solver for external aerothermodynamics and rarefied flows.
  • 3D Structured finite volume compressible flow module in ANUPRAVAHA: General purpose in-house CFD Solver.
Journal Publications :
  1. Assam A, Narayan Kalkote N, Sharma V, Eswaran V. An Automatic Wall Treatment for Spalart-Allmaras Turbulence Model. ASME. J. Fluids Eng. 2018; 140(6):061403-061403-10.https://doi.org/10.1115/1.4039087
  2. Assam A, Kalkote N, Dongari N, Eswaran V. Comprehensive Evaluation of a New Type of Smoluchowski Temperature Jump Condition. AIAA Journal 2018 56:11, 4621-4625. https://doi.org/10.2514/1.J057385
  3. Assam, A., Kalkote, N., Dongari, N. and Eswaran, V., Investigation of nonequilibrium boundary conditions considering sliding friction for micro/nano flows., International Journal of Numerical Methods for Heat & Fluid Flow, 2019, Vol. 29 No. 8, pp. 2501-2523. https://doi.org/10.1108/HFF-04-2018-0170
  4. Kalkote, N., Assam, A., and Eswaran, V., Towards developing an adaptive time stepping for compressible unsteady flows, International Journal of Numerical Methods for Heat & Fluid Flow, 2019, Vol. 29 No. 2, pp. 487-503. https://doi.org/10.1108/HFF-03-2018-0095
  5. Kalkote, N., Assam, A., and Eswaran, V., Acceleration of Later-Convergence in a Solver using Adaptive Time-Stepping, AIAA Journal, 2019, 57:1, 352-364. https://doi.org/10.2514/1.J057014
  6. Joshi, A., Assam, A., Nived, M. R., and Eswaran, V. Generalized Wall Function including compressibility and pressure-gradient terms for the Spalart-Allmaras Turbulence Model, 2019 Journal of Turbulence, 20:10, 626-660, https://doi.org/10.1080/14685248.2019.1691730
  7. Assam, A., Nived M. R., Kalkote, N. and Eswaran, V., A numerical study of shock and heating with rarefaction for hypersonic flow over a cylinder, ASME, Journal of Heat Transfer, 2020, 142(1): 014501 (8 pages). https://doi.org/10.1115/1.4045136
  8. Kalkote, N., Kumar, A., Assam, A., Eswaran V. Performance of the k-kL model for aerodynamics applications, 2019, International Journal of Numerical Methods for Heat & Fluid Flow. https://doi.org/10.1108/HFF-07-2019-0570
Conferences :
  1. Nived M.R., Kalkote N., Assam A., and Eswaran V., Applications of k − kl Turbulent Flow Model to The Engineering Flows, 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019), Paper No.–664, IIT Roorkee, India, December 28-31, 2019.
  2. Kalkote N., Nived M.R., Assam A., and Eswaran V., Stable implementation of k − kl turbulent flow model in unstructured grid CFD solver, 25th National and 3rd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2019), Paper No.–525, IIT Roorkee, India, December 28-31, 2019.
  3. Assam A., Kalkote N., Nived M. R., Eswaran V., Performance of Various Convective Scheme for Hypersonic Flows. 7th International and 45th National Conference on Fluid Mechanics and Fluid Power (FMFP), Paper no. 260, IIT Bombay, Mumbai, India, December 10-12, 2018.
  4. Kalkote N.,Assam A., Eswaran V., Application of Adaptive Time-Stepping for Steady/Unsteady Flows, 10th International Conference on Computational Fluid Dynamics (ICCFD10), Paper No. 148, Barcelona, Spain, July 9-13, 2018.
  5. Sharma V., Assam A., Eswaran V., Investigation Of Turbulent Mixing Layer With Compressibility Corrections For RANS Models, 10th International Conference on Computational Fluid Dynamics (ICCFD10), Paper No. 168, Barcelona, Spain, July 9-13, 2018.
  6. Kalkote N., Assam A., Nived M. R., Eswaran V., Investigation of All-Speed SLAU Scheme in Incompressible Limit. 5th International Conference on Computational Methods for Thermal Problems (THERMACOMP - 2018), Paper no. 76, Indian Institute of Science, Bangalore, India, July 9-11, 2018.
  7. Assam A., Kalkote N., Dongari N., Eswaran V., Use of the Pressure Jump Boundary Condition in the High Speed Rarefied Gas Flows, 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) (ECCM 6) and the 7th European Conference on Computational Fluid Dynamics (ECFD 7), ECCOMAS, Paper No. 21, Glasgow, UK, June 11-15, 2018.
  8. Assam A., Sharma V., and Eswaran V. Automatic Wall Treatment for Spalart-Allmaras Turbulence Model, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), Paper No. 479, BITS Pilani, Hyderabad Campus, India, December 27-30, 2017.
  9. Athkuri S. S. C., Sharma V., Assam A., Eswaran V., Performance of Convective Schemes in Density-Based Solver, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), Paper No. 174, BITS Pilani, Hyderabad Campus, India, December 27-30, 2017.
  10. Sharma V., Assam A. and Eswaran V., Numerical Simulation of Turbulent High-Speed Plane Jets - A Validation with Experimental Results, 24th National and 2nd International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2017), Paper No. 62, BITS Pilani, Hyderabad Campus, India, December 27-30, 2017.
  11. Assam A., Kalkote N., Dongari N., Eswaran V., Computation of Rarefied Gas Flows in Nano/micro Devices using an Indigenous developed Computational Fluid Dynamics Solver, International Conference on Nanotechnology: Ideas, Innovations & Initiatives (ICN:3I). Department of Mechanical & Industrial Engineering & Centre of Nanotechnology, Paper No. 498, Indian Institute of Technology Roorkee, India, December 6-8, 2017.
  12. Sharma V., Assam A., Eswaran V., Development of All Speed Three-Dimensional Computational Fluid Dynamics Solver for Unstructured Grids, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power (FMFP), Paper No. 21, Allahabad, India, Dec. 15-17 2016.
  13. Gijare H., Assam A., Dongari N., Aero-Thermodynamics Optimization of Reentry Capsule in the Slip Flow Regime, 23rd National and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2015), Paper No. 487, LPSC, ISRO, Trivandrum, Kerala, India, December 17-20, 2015.