Biography:Rajat Mittal

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Short description: Computational fluid dynamicist
Rajat Mittal
Rajat Mittal wiki.jpg
Rajat Mittal
Born1967
India
NationalityAmerican
Known forComputational fluid dynamics
Active flow control
Biomechanics
TitleProfessor of mechanical engineering and medicine
AwardsFellow of the American Physical Society 2011
Fellow of the American Society of Mechanical Engineers 2011
ASME Lewis Moody Award (2006)
The Francois Naftali Frenkiel Award for Fluid Mechanics (1996)
Academic background
Alma materUniversity of Illinois at Urbana–Champaign
University of Florida
IIT Kanpur
Academic work
InstitutionsJohns Hopkins University
George Washington University
University of Florida
WebsiteRajat-Mittal | JHU.edu
FASG | JHU.edu

Rajat Mittal is a computational fluid dynamicist and a professor of mechanical engineering in the Whiting School of Engineering at Johns Hopkins University. He holds a secondary appointment in the Johns Hopkins University School of Medicine.[1] He is known for his work on immersed boundary methods (IBMs) and applications of these methods to the study of fluid flow problems.

Biography

Mittal earned his bachelor's degree in aeronautical engineering from IIT Kanpur in 1989. He received an MS in aerospace engineering from University of Florida and a PhD in applied mechanics from University of Illinois at Urbana–Champaign 1991 and 1995, respectively. He completed postdoctoral research at the Center for Turbulence Research at Stanford University, where he conducted research in large-eddy simulation of complex turbulent flows.

From 1996 to 2001, he was on the faculty of the Department of Mechanical Engineering at the University of Florida. From 2001 to 2009, Mittal was on the faculty of the Department of Mechanical and Aerospace Engineering at George Washington University. He has been a professor of mechanical engineering at Johns Hopkins University since 2009 and a professor of medicine since 2015.[2]

Mittal is the founder and chief technical officer of HeartMetrics, Inc., a start-up that develops computational tools to help the treatment of coronary artery disease.[3]

Research

Mittal leads the Flow Physics and Computation Lab at Johns Hopkins.[4] The focus of Mittal's lab is on fundamental fluid mechanics phenomenon and numerical analysis. In particular, his lab works on computational modeling of fluid flows, biofluid mechanics, bioinspired engineering, biomedical engineering, and flow control. Recent projects have focused on flow control,[5] flow-induced flutter,[6] flow-induced vibration,[7] biolocomotion,[8] biosensing, bioacoustics,[9] cardiovascular hemodynamics,[10] heart murmurs and thrombosis, gastric fluid mechanics,[11] and the flow physics of COVID-19.[12] During his time at Johns Hopkins, Mittal has made significant contributions to many topics in fluid mechanics, spanning cardiovascular fluid dynamics, fundamental mechanisms of human and animal swimming, development of immersed boundary methods, iterative methods in scientific computing, bioacoustics, and turbulent flows. Mittal is also a holder of multiple patents on image-based analysis of cardiovascular hemodynamics.[13][14][15]

Awards and honors

  • 2022: 2022 Stanley Corrsin Award, for seminal and visionary contributions to the development of immersed boundary methods[16]
  • 2021: 2021 ASME Freeman Scholar, for pioneering work on immersed boundary methods
  • 2020: Monte and Usha Ahuja Distinguished Lecture, “The Unknown Unknowns of the Airborne Transmission of COVID-19." Sept. 4, 2020. The Ohio State University, Columbus, OH.[17]
  • 2011: Elected Fellow of the American Physical Society
  • 2011: Elected Fellow of the American Society of Mechanical Engineers
  • 2008: Minta-Martin Lecture, University of Maryland at College Park, MD.
  • 2006: ASME Lewis B Moody Award from the ASME Fluids Engineering Division, for his paper titled "Vortex Dynamics and Mechanisms for Viscous Losses in the Tip-Clearance Flow,” FEDSM2005-77175.[18]
  • 1999: Pratt & Whitney Fellows Lecture, “Direct and Large–Eddy Simulation of Flows in Complex Geometries.” East Hartford, CT.
  • 1996: The Francois Naftali Frenkiel Award for Fluid Mechanics, from the Division of Fluid Dynamics of The American Physical Society, for paper titled “Effect of three-dimensionality on the lift and drag of nominally two-dimensional cylinder,”[19] published in Physics of Fluids.

Editorship

Publications

Selected articles

  • H.S. Udaykumar, R. Mittal, P. Rampunggoon and A.Khanna. "A Sharp Interface Cartesian Grid Method for Simulating Flows with Complex Moving Boundaries." Journal of Computational Physics, Vol 174, 345-380, 2001. (162 Citations)
  • R. Mittal. "Computational Biohydrodynamics: Trends, Challenges and Recent Advances." IEEE Journal of Oceanic Engineering Vol. 29, No. 3, pp. 595–604, 2004.
  • R. Mittal and G. Iaccarino. "Immersed Boundary Methods." Annual Review Of Fluid Mechanics, Vol. 37, pp. 239–261, 2005.
  • R. Holman, Y. Utturkar, R. Mittal, B. Smith and L. Cattafesta. “A Jet Formation Criterion for Synthetic Jets.” AIAA Journal, Vol. 43, No.10, October 2005. (52 Citations)
  • R Mittal, BD Erath, MW Plesniak. "Fluid Dynamics of Human Phonation and Speech." Annual Review of Fluid Mechanics, Vol. 45:437-467, 2013.
  • Rajat Mittal, Jung Hee Seo, Vijay Vedula, Young J. Choi, Hang Liu, H. Howie Huang, Saurabh Jain, Laurent Younes, Theodore Abraham, and Richard T. George. "Computational modeling of cardiac hemodynamics: Current status and future outlook." Journal of Computational Physics, Volume 305, 2016.
  • R Mittal, R Ni, JH Seo. "The flow physics of COVID-19." Journal of Fluid Mechanics Volume 894, 2020.

Books

  • Synthetic Jets: Fundamentals and Applications, Eds. Kamran Mohseni, Rajat Mittal. CRC Press. September 17, 2014 by CRC Press. Reference - 382 Pages - 261 B/W Illustrations ISBN:9781439868102.

References

  1. ↑ "Rajat Mittal". https://www.hopkinsmedicine.org/profiles/results/directory/profile/10000728/rajat-mittal. 
  2. ↑ "Rajat Mittal- Faculty | FSAG". Johns Hopkins University. https://engineering.jhu.edu/fsag/people/faculty/rajat_mittal/. 
  3. ↑ "HeartMetrics.Inc". http://www.heartmetrics.us/. 
  4. ↑ "Flow Physics and Computation Lab| Johns Hopkins". https://engineering.jhu.edu/fsag/. 
  5. ↑ Wu, Wen; Meneveau, Charles; Mittal, Rajat; Padovan, Alberto; Rowley, Clarence W.; Cattafesta, Louis (3 August 2022). "Flow control". Physical Review Fluids 7 (8): 084601. doi:10.1103/PhysRevFluids.7.084601. https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.7.084601. 
  6. ↑ Menon, Karthik; Mittal, Rajat (August 2020). "Flow-induced flutter". Journal of Fluids and Structures 97: 103078. doi:10.1016/j.jfluidstructs.2020.103078. https://www.sciencedirect.com/science/article/pii/S0889974620301481. 
  7. ↑ Menon, Karthik; Mittal, Rajat (January 2021). "Flow-induced vibration". Journal of Fluid Mechanics 907: A37. doi:10.1017/jfm.2020.854. https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/on-the-initiation-and-sustenance-of-flowinduced-vibration-of-cylinders-insights-from-force-partitioning/2A98F59F8514C604F3C938949D935640. 
  8. ↑ Seo, J. H.; Mittal, R. (2022). "Biolocomotion". Bioinspiration & Biomimetics 17 (6). doi:10.1088/1748-3190/ac9bb4. PMID 36261046. https://iopscience.iop.org/article/10.1088/1748-3190/ac9bb4/meta. 
  9. ↑ Seo, J. H.; Hedrick, T. L.; Mittal, R. (2021). "Bioacoustics". Bioinspiration & Biomimetics 16 (4). doi:10.1088/1748-3190/ac0120. PMID 33984852. https://iopscience.iop.org/article/10.1088/1748-3190/ac0120/meta. 
  10. ↑ Bailoor, S.; Seo, J. H.; Dasi, L.; Schena, S.; Mittal, R. (2022). "Cardiovascular hemodynamics". Cardiovascular Engineering and Technology 13 (1): 90–103. doi:10.1007/s13239-021-00553-8. PMID 34145555. https://link.springer.com/article/10.1007/s13239-021-00553-8. 
  11. ↑ Kuhar, S.; Lee, J. H.; Seo, J. H.; Pasricha, P. J.; Mittal, R. (2022). "Gastric fluid mechanics". Physics of Fluids 34 (11): 111909. doi:10.1063/5.0120933. PMID 36407285. 
  12. ↑ Mittal, Rajat; Ni, Rui; Seo, Jung-Hee (2020). "Flow physics of COVID-19". Journal of Fluid Mechanics 894. doi:10.1017/jfm.2020.330. Bibcode: 2020JFM...894F...2M. https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/flow-physics-of-covid19/476E32549012B3620D2452F30F2567F1. 
  13. ↑ "Method for Estimating Pressure Gradients and Fractional Flow Reserve from Computed Tomography Angiography: Transluminal Attenuation Flow Encoding". https://patents.google.com/patent/US20140180080A1/en?inventor=Rajat+Mittal&oq=Rajat+Mittal. 
  14. ↑ "Method for estimating flow rates and pressure gradients in arterial networks from patient-specific computed tomography angiogram-based contrast distribution data". https://patents.google.com/patent/US9265473B2/en?inventor=Rajat+Mittal&oq=Rajat+Mittal. 
  15. ↑ "Computational flow dynamics based method for estimating thromboembolic risk in patients with myocardial infarction". https://patents.google.com/patent/US10485517B2/en?q=Seo&inventor=Rajat+Mittal&oq=Rajat+Mittal+Seo. 
  16. ↑ "Stanley Corrsin Award". https://www.aps.org/programs/honors/prizes/prizerecipient.cfm?last_nm=Mittal&first_nm=Rajat&year=2022. 
  17. ↑ "Rajat Mittal: Ahuja Distinguished Lecture Series, Sept. 4, 2020". https://mediasite.osu.edu/Mediasite/Play/da67e0f8c46b452e848cec501d8e25061d. 
  18. ↑ "Lewis F. Moody Award". https://www.asme.org/about-asme/honors-awards/unit-awards/lewis-f-moody-award. 
  19. ↑ Mittal, R.; Balachandar, S. (1995). "Effect of three-dimensionality on the lift and drag of nominally two-dimensional cylinders". Physics of Fluids 7 (8): 1841–1865. doi:10.1063/1.868500. Bibcode: 1995PhFl....7.1841M. https://aip.scitation.org/doi/10.1063/1.868500. 

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