Ashwani Assam
Dr. Ashwani Assam
Assistant Professor of Department of Mechanical Engineering
R308 Block 3 Academic Area
Indian Institute of Technology Patna, Bihta, Bihar - 801106
E-mail: aashwani@iitp.ac.in
Phone: +91-611-523-38829


Google Scholar
ResearchGate
Orcid ID: 0000-0002-6865-3011


Biography

Ashwani Assam is currently an Assistant Professor in the Department of Mechanical Engineering at the IndianInstitute of Technology (IIT), Patna. Formerly, he was a DST Inspire Faculty in the department. He did his post-doc at IIT Palakkad. He received his Bachelor’s degree in Mechanical in 2012 from Birla Institute of Technology, Mesra, India, and his M-Tech and Ph.D. degrees in Mechanical and Aerospace in 2014 and 2019, respectively. He was recipient of Institute Gold and Silver Medal during his M-Tech at IIT Hyderabad. His research interest includes Computational Fluid Dynamics (CFD), Compressible fluid flow, Micro and Nano Flows, Rarefied Gas Dynamics,Turbulence, Machine Learning, Drone Aerodynamics, and Direct Simulation Monte Carlo Simulation. He has been involved in developing in-house CFD codes. He has also been working with openSource CFD codes such as OpenFOAM and SU2.


Current Research Topics


Annoucements


Awards and Achievements


Membership of Professional Bodies


Post-Doctoral Work


Educational Qualifications

Class/ Degree

Board/ University

School/ College

Year of passing

Ph.D.

I.I.T

Indian Institute of Technology (IIT), Hyderabad, Telangana.

2019

M.TECH (Thermo-fluid)

I.I.T

Indian Institute of Technology (IIT), Hyderabad, Telangana.

2014

B.E. (Mechanical)

BIT Mesra

Birla Institute of Technology, Ranchi, Jharkhand

2012

12th

C.B.S.E

DAV Public School, Patna, Bihar

2008

10th

I.C.S.E

Don Bosco Academy, Patna, Bihar

2006



Teaching

Professional Activities

Journal Articles

  1. Ajaya Kumar, A., & Assam, A. (2024). Addressing performance improvement of a neural network model for Reynolds-averaged Navier–Stokes solutions with high wake formation. Engineering Computations. (Link)
  2. Amit, K., Assam, A., & Raj, A. (2024). Droplet migration through deformable stenosed microchannel: Dynamics and blockage. Physics of Fluids, 36(5).( Link)
  3. Upadhyay, A., Hazra, S. K., Assam, A., & Raj, R. (2023). Review of the current status and the potential of machine learning tools in boiling heat transfer. Numerical Heat Transfer, Part B: Fundamentals, 1-44. ( Link)
  4. Amit, K., Assam, A. & Raj, A. Pressure-flow characteristics of a microchannel combining super-hydrophobicity and wall compliance. Microfluid Nanofluid 27, 64 (2023). ( Link)
  5. Kumar, V., Assam, A., & Prabhakaran D. (2023). Dynamics of a wall-mounted cantilever plate under low Reynolds number transverse flow in a two-dimensional channel. Physics of Fluids, 35 (8), 083605. (Link)
  6. Sharma, V., & Assam, A. (2023) Aero-Thermal Analysis of Rarefied Flow Over Inverse Cone Shaped Objects Using Direct Simulation Monte Carlo Analysis. ASME Journal of Heat Mass Transfer, 145(10), 101801. (Both Author Contributed Equally) (Link)
  7. Shah, M. S., Gupta, D., Saha, P., Assam, A., & Sarkar, C. (2023) A novel flushing technique to improve micro-EDM dressing process stability: assessment through analyzing debris evacuation. The International Journal of Advanced Manufacturing Technology, 127, 775–794. (Link)
  8. Kumar, S., & Assam, A. (2023). Effect of rarefaction on thermal and chemical non-equilibrium for Hypersonic flow with different enthalpy and catalytic wall conditions. ASME Journal of Thermal Science and Engineering Applications, 15(7), 071012. (Link)
  9. Deka, M., Assam, A., & Natarajan, G. (2023). A least squares perspective of Green–Gauss gradient schemes. Physics of Fluids, 35(3), 031710. (Link)
  10. Sharma, V., & Assam, A. (2022). Evaluation of novel wall function approach for supersonic flow problems involving separations induced by geometry and shocks. Computers & Mathematics with Applications, 123, 75-88. (Link)
  11. Assam, A., & Natarajan, G. (2021). A novel least squares finite volume scheme for discontinuous diffusion on unstructured meshes. Computers & Mathematics with Applications, 96, 120-130. (Link)
  12. Kalkote, N., Assam, A. & Eswaran, V. (2021), Toward the implementation of a multi-component framework in a density-based flow solver for handling chemically reacting flows, International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 31 No. 10, pp. 3169-3195. (Link)
  13. Kalkote, N., Kumar, A., Assam, A., & Eswaran, V. (2020), Performance of the k-kL model for aerodynamics applications, International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 22 No. 8, pp. 3985-4011.( Link)
  14. Assam, A., Nived, M. R., Kalkote, N. N., & Eswaran, V. (2020). A numerical study of shock and heating with rarefaction for hypersonic flow over a cylinder. Journal of Heat Transfer, 142(1), 014501. (Link)
  15. Joshi, A., Assam, A., Nived, M. R., & Eswaran, V. (2019). A generalised wall function including compressibility and pressure-gradient terms for the Spalart–Allmaras turbulence model. Journal of Turbulence, 20(10), 626-660. (Link)
  16. Kalkote, N., Assam, A., & Eswaran. V. (2019). Acceleration of later convergence in a density-based solver using adaptive time stepping. AIAA Journal, 57(1), 352-364.(Link)
  17. Kalkote, N., Assam, A. & Eswaran, V. (2019), Towards developing an adaptive time stepping for compressible unsteady flows, International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 29 No. 2, pp. 487-503.(Link)
  18. Assam, A., Kalkote, N., Dongari, N., & Eswaran, V. (2019). Investigation of non-equilibrium boundary conditions considering sliding friction for micro/nano flows. International Journal of Numerical Methods for Heat & Fluid Flow, 29(8), 2501-2523. (Link)
  19. Assam, A., Kalkote, N., Dongari, N., & Eswaran, V. (2018). Comprehensive evaluation of a new type of Smoluchowski temperature jump condition. AIAA Journal, 56(11), 4621-4625. (Link)
  20. Assam, A., Narayan Kalkote, N., Sharma, V., & Eswaran, V. (2018). An automatic wall treatment for Spalart–Allmaras turbulence model. Journal of Fluids Engineering, 140(6). (Link)

 Conference Articles

  1. Kumar, V., Assam, A., & Prabhakaran, D., Dynamics of 2D Elastic Cantilever Plate placed in a Channel at low Reynolds number transverse Flow, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-242, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  2. Raj, A., Alam Md. Q., Assam A., & Raj R., Numerical Validation of Acoustic Emissions from a Train of Bubbles Departing from an Underwater Nozzle, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-364, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  3. Alam Md. Q., Upadhyay A., Assam A., & Raj R., Improving Acoustic Emission Modeling of Underwater Bubble Detachment by Accounting for Compressibility Effects, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-415, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  4. Kumar A., Kumar S., K, & Assam, A., Validation of hypersonic CFD solver hy2FOAM with emphasis on the need for modelling chemical non-equilibrium, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-398, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  5. Kumar R., Tripath A., K, & Assam, A., Towards enhanced cooling techniques in the reservoir section of a closed-loop liquid cooling system, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-457, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  6. Amit, K, Assam, A., & Raj, A., Analysis of a Deformable Stenosed Microchannel for Cell Migration: A Guide for Blockage Prediction, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-332, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  7. Amit, K, Assam, A., & Raj, A., Heat Transfer Analysis in Pulsating Laminar Flow for Biological Applications, Proceedings of the 27th National and 5th International ISHMT-ASTFE Heat and Mass Transfer Conference, (IHMTC), Paper ID: IHMTC2023-287, IIT Patna, Patna-801106, Bihar, India, December 14-17, 2023.
  8. Assam, A., & Sharma, V., Numerical Analysis of Flow Properties on a Cone-Shaped Body in Rarefied Flow, 14th Asian Computational Fluid Dynamics (ACFD) Conference, Paper No. 15, HAL Management Academy, Bengaluru, India, October 30th   November 2nd, 2023.
  9. Amit, K, Assam, A., & Raj, A., Search for a Durable Superhydrophobic Microchannel for Intesive Drag Reduction, Proceedings of the 1st Indian Conference on Micro Nano Fluidics (ICOM) 2023, Paper ID: ICOM0075, IIT Madras, Chennai-600036, Tamil Nadu, India, Sep 29 -- Oct 1, 2023.
  10. Amit, K, Assam, A., Raj, A. Dynamics of droplet motion in stenosed deformable microchannel, 11th International Conference on Multiphase Flow (ICMF) , Paper No. 423, Kobe, Japan, April 2 – 7 , 2023. 
  11. Alam Md. Q., Upadhyay A., Assam A., Raj R. Numerical Investigation of Passive Acoustic Emissions during Bubble Departure from an Underwater Orifice, CHEMCON 2022, HBTU Kanpur, India, 27th Dec – 30th Dec 2022.
  12. Amit, K, Assam, A., Raj, A. Hydrodynamics resistance of stenosed deformable microchannel for droplet migration, 49th National Conference on Fluid Mechanics and Fluid Power (FMFP), Paper No. 2589, IIT Roorkee, Uttarakhand, India, December 14-16, 2022.
  13. Amit, K, Assam, A., Raj, A. Pressure flow characteristics of a deformable microchannel with a superhydrophobic wall, 49th National Conference on Fluid Mechanics and Fluid Power (FMFP), Paper No. 2897, IIT Roorkee, Uttarakhand, India, December 14-16, 2022
  14. Amit, K, Assam, A., Raj, A. Role of deformability and super-hydrophobicity in the microchannel, 26th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2022, Chemical and Biological Microsystems Society, 23-27 October, Hangzhou, China.
  15. Ananthajit A, Assam, A., Training of Neural Network on Selectively Generated Data for flow over airfoils at higher angle of attack, 48th National Conference on Fluid Mechanics and Fluid Power (FMFP), Paper No. 202, BITS Pilani India, December 27-29, 2021.
  16. Kalkote N., Nived M.R., Assam A., An Assessment of NL-LUSGS, Non-Linear Equation Solution Algorithm for Time-Accurate Marching in Compressible Flows on Hybrid-Unstructured Grid, 26th National and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2021), Paper No. 608, IIT Madras, December 17-20, 2021.
  17. Boban, J., Ahmed, A., Assam, A. (2021). Effect of recirculation zone on debris evacuation during EDM deep hole drilling. Procedia CIRP, 102, 393-398.
  18. 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.
  19. 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.
  20. 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.
  21. 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.
  22. 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.
  23. 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.
  24. 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.
  25. 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.
  26. 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.
  27. Sharma V., Assam A., 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.
  28. 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.
  29. 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.
  30. 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.



Book Chapters
  1. Ananthajit, A., & Assam, A. (2023). Training of Neural Network on Selectively Generated Data for Flow over Airfoils at Higher Angle of Attack. In Fluid Mechanics and Fluid Power (Vol. 3) Select Proceedings of FMFP 2021 (pp. 1-6). Singapore: Springer Nature Singapore. (Link)
  2. Boban, J., Ahmed, A., & Assam, A. (2021). Effect of recirculation zone on debris evacuation during EDM deep hole drilling. Procedia CIRP, 102, 393-398. (Link)


Invited Talks

  1. Expert Lecture, "Introduction to CFD in Multiphase Problems" in the SERB Workshop on ``Emerging Trends in Liquid-Vapor Phase Change Heat Transfer" organised by Dr. Rishi Raj at IIT Patna. Date: July 17, 2023
  2. Invited to deliver a talk on "Emerging Teaching Skills" as a guest faculty to Assitant Professors in three groups on 13th July 2023, 21st July 2023, 29th July 2023, and 05th August 2023. Bihar Institute of Public Administration & Rural Development, Gaya.
  3. Interactive talk on "User-Defined Functions: An Introduction" under Coding and Machine Learning club of Mechanical Engineering Department, IIT Patna, 31st Oct 2021.
  4. "Growing as an Inspire Awardee" under the theme of Human Capacity Building, Azadi Ka Amrit Mahotsav, Bihar Council on Science and Technology, 29th Oct 2021. 

Projects

Title of the Project

Funding Agency and Amount

Duration of Project

Completed/Ongoing

Study of non-equilibrium flows related to space debris and nano/microfluidics

DST,

35 Lakhs

5 Years

Ongoing

(Jul 2020 – Jul 2025)

(Evaluation Grade: Excellent)

Advancing Hypersonic Heating Computation with Accurate and Shock-Stable Numerical Approach

SERB,

26.84 Lakhs

2 Years

Ongoing

(Oct 2023 – Oct 2025)

Development of Thermally Controlled Modules of Optronic Payloads For Stratospheric Operation

IRDE, DRDO,

154.96 Lakhs

3 Years

Ongoing

(May 2024 – May 2027)

(PI: Dr. Rishi Raj, ME)



Present Students

Doctoral

 Masters

 Bachelors


Past Students

 Masters

Bachelors


   Major Codes Developed



A special thanks to Dr Atul Thakur for allowing the use of his website as a template for this webpage.