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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
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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, 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.
Awards and Achievements
- INSPIRE Faculty Fellowship from Department of Science and Technology (DST), Govt. of India (2020-2025)
- Institute gold and silver medal for securing
highest CGPA in M-Tech (in all Departments and in Mechanical
Engineering)
- Academic excellence award for the Year 2012-13 in the Mechanical M-Tech category
- Laureate certificate for academic performance in the year 2008
- Member of Open FOAM user group at IIT Hyderabad
Membership
of Professional Bodies
- Life member to the Indian Society for Heat and Mass Transfer (ISHMT)
Post-Doctoral Work
- DST Inspire Faculty, Department of Mechanical Engineering, IIT Patna. (Time duration: July 2020 to February 2022)
- Institute Post-Doctoral Fellow at IIT Palakkad, Kerala. (Mentor: Dr. Ganesh Natarajan. Time duration: July 2019 to July 2020)
Educational Qualifications
Class/ Degree
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Board/ University
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School/ College
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Year of passing
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Ph.D.
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I.I.T
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Indian Institute of Technology (IIT), Hyderabad,
Telangana.
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2019
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M.TECH (Thermo-fluid)
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I.I.T
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Indian Institute of Technology (IIT), Hyderabad,
Telangana.
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2014
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B.E. (Mechanical)
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BIT Mesra
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Birla Institute of Technology, Ranchi, Jharkhand
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2012
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12th
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C.B.S.E
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DAV Public School, Patna, Bihar
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2008
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10th
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I.C.S.E
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Don Bosco Academy, Patna, Bihar
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2006
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Teaching
- ME503 Computational Fluid Dynamics
- ME541 Turbulence Shear Flows
- ME542 Aerodynamics
- ME393 Engineering Software Lab.
- ME110 Workshop - I
- ME395/396 Engineering Practicum
- A
group of B-Tech 2018 batch students design and developed a virtual lab
of Fluid Mechanics in form of an app under the supervision of Dr.
Kaleem Khan, Dr. M Pathak and myself. (Website and App Link)
- A group of B-Tech 2019 batch students developed a virtual
lab for heat transfer under the supervision of Dr. Kaleem Khan, Dr. M
Pathak, Dr R Raj and myself.
Professional Activities
- Faculty Advisor: B-Tech 2020 (Mechanical Engineering, IITP)
- Faculty Advisor: M-Tech (Mechanical) 2021 (Mechanical Engineering, IITP)
- Programme Director: Executive M-Tech Program in Mechatronics, IITP
- Department Secretary (October 2022 – March 2023)
- Design of New Course/Program:
- Executive M-Tech Program (along with Dr Atul Thakur, IITP)
- B-Tech in Aerospace Engineering (along with Dr M. Pathak, IITP) (In progress)
- M-Tech in Mechanical Engineering with Specialization in Thermo-Fluid (along with Dr Kaleem Khan, IITP)
- Designed a new elective course, “Gas Dynamics and Propulsion” (along with Dr Deepu)
- Designed
a new undergraduate course, “Data Analytics and Machine Learning Tools
for Engineers” (along with Dr Rishi Raj and Dr Atul Thakur)
- Part of the Organizing Team for the upcoming IHMTC-2023 conference at IIT Patna
- Design of Google Form and API script based prospective Faculty assessment form for Faculty shortlisting round
- Professor In Charge - GIAN & SPARC (Sep. 2022 - till date)
- Nodal Officer - Visvesvaraya Ph.D Scheme (Sep. 2022 - till date)
- Professor In Charge - Training & Placement Cell (March 2023 - till date)
Journal
Articles
- 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, 1-20. (Link)
- Sharma
V., & Assam,
A.
(2023) Aero-thermal Analysis of Rarefied flow over Inverse Cone Shaped
Objects
using Direct simulation Monte Carlo Analysis, Journal of Heat and Mass
Transfer, ASME (Accepted) (Both Author Contributed Equally)
- 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. J. Thermal Sci. Eng. Appl. July
2023; 15(7): 071012. (Link)
- Deka, M., Assam, A., & Natarajan, G. (2023). A least squares perspective of Green–Gauss gradient schemes. Physics of Fluids, 35(3), 031710. (Link)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- 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)
- Kalkote, N., Assam, A. and
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)
- 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)
- 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)
- 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
- 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.
- 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.
- 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.
- 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
- 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.
- 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.
- 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.
- Boban, J., Ahmed, A., Assam, A.
(2021). Effect of recirculation zone on debris evacuation during EDM
deep hole drilling. Procedia CIRP, 102, 393-398.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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
- 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.
Projects
Title of the Project
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Funding Agency and Amount
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Duration of Project
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Completed/Ongoing
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Study
of non-equilibrium flows related to space debris and nano/microfluidics
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DST,
35
Lakhs
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5
Years
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Ongoing
(Jul-2020 – Jul 2025)
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Present Students
Doctoral
Masters
- Rajiv Kumar
- Aditya Kumar
- Sanjay Kumar
- Anubhav Dwivedi
Bachelors
- Kartikay Gupta
- Shresth Verma
- Danish Raza
- Md. Owais Siddiquei
Past
Students
Masters
- Ashok Das, 2022 (Co-Guide, Guide: Dr.
Abhishek
Raj, ME)
- Thesis
title: CFD Analysis of Wall Condensation in Convective Flow in Presence of Non-Condensable Gases
- Monisha Daimari, 2022 (Co-Guide, Guide: Dr. Rishi
Raj, ME)
- Thesis
title: Bubble Acoustics Using Computational Fluid Dynamics Simulations
- Shubham Kumar, 2022 (Best Masters' Project-MTP)
- Thesis
title: Numerical Study of Non-Equilibrium Multi-Species Hypersonic Flows
Bachelors
- Anand Tripathi, 2023
- Thesis
title: Investigating the Effect of Porous Media on Fluid Flow and Heat Transfer in Microchannels and Macro-Cavities
- Manoj Kumar Madugula and Rahul Preetham Kandukuri, 2023
- Thesis
title: Study on Reducing Wind speeds using wind barriers
- Neeraj Kumar Gond and Nikhil Anand, 2022
- Thesis
title: Study of Rarefied Gas Flows in Microchannels
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
A special thanks to
Dr Atul Thakur for allowing the use of his website as a template for this webpage.