Associate Professor
Department of Applied Mechanics and Biomedical Engineering,
Indian Institute of Technology Madras, India
Waves and instabilities, Particles and Flows
Anubhab Roy is an Associate Professor in the Department of Applied Mechanics & Biomedical Engineering, and Associate Faculty in the School of Sustanability, Indian Institute of Technology Madras (IIT-M), Chennai, India. He is a co-PI of the Geophysical Flows Lab (an IIT Madras Centre of Excellence), Centre for Atmospheric and Climate Sciences and Centre for Complex Systems & Dynamics. He received his PhD in Engineering Mechanics from Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Bengaluru, in 2013 and B. Tech degree in Civil Engineering from Indian Institute of Technology-BHU, Varanasi (IIT-BHU) in 2006. During his PhD, he received the GFD fellowship at Woods Hole Oceanographic Institution, USA (2010). He was a postdoctoral fellow at the School of Chemical and Biomolecular Engineering, Cornell University, before joining the Fluid Mechanics group at Applied Mechanics & Biomedical Engineering-IIT-M. He was a Visiting Professor at Laboratoire de Physique, ENS de Lyon, France, in 2023 and a staff member of the Geophysical Fluid Dynamics program at the Woods Hole Oceanographic Institution, USA, for 2022. He is the recipient of the Young Scientist Award (2020) from the Indian National Science Academy, the IITM Young Faculty Recognition Award (2020), the Srimathi Marti Annapurna Gurunath Award for Excellence in Teaching (2022) and the Institute Research & Development Award (IRDA) - Early Career (2024) .
Shraddha's current research is aimed at comprehending the three-dimensional stability of particle-laden vortical flows. The study specifically focuses on investigating the behaviour of the dispersed particle phase, which is two-way coupled, on the stability dynamics of columnar vortices. Her PhD from IIT Kanpur's Chemical Engineering department concentrated on comprehending the hydrodynamic stability of complex fluid flows that pass soft surfaces in rectilinear geometries. Prior to that, she earned her B.Tech in Chemical Engineering from NIT Bhopal and worked at PepsiCo's manufacturing plant as a GET for a year.
Srikumar Warrier joined the group as a postdoctoral researcher in October 2023. Srikumar's current research work as a postdoc deals with the study of particle collisions in various canonical fluid flow fields. Previously, he obtained Bachelor of Engineering degree in Mechanical Engineering from V.T.U Belgaum, Karnataka, India in 2012. He worked as a Junior Design Engineer in Geometric Ltd, Bangalore. He then obtained MSc(Engg) and Ph.D degree from the Indian Institute of Science (IISc) Bangalore, India in 2023 in the department of Interdisciplinary Centre for Energy Research, where he worked on the Hydrodynamic stability of jets in crossflows, particle laden planar and swirling jets.
Mansi Singh is currently working on the triad resonance of internal gravity waves. She completed her PhD in the Department of Mathematics at the Indian Institute of Technology (IIT) Kharagpur, India, under the supervision of Dr. Rupanwita Gayen. Her research focused on "Surface gravity wave structure interactions (hydrodynamics)" within the field of Applied Mathematics, specifically on the "Mathematical study of interaction of surface gravity waves with flexible structures having variable structural properties." She employed various mathematical tools to tackle these challenges, placing particular emphasis on hypersingular integral equations. Additionally, she has been awarded the prestigious Prime Minister's Research Fellowship, an initiative of the Government of India, for the period from January 2021 to July 2024.
Prabhash's focus lies in comprehending the behavior of inertial particles in low Reynolds number flows within micron length scales. Presently, his efforts are directed towards investigating how convective mixing influences the deposition and gaseous exchange of aerosols in the respiratory airways at varying levels of bifurcation. Apart from his research work, Prabhash finds pleasure in going on road trips, trekking, driving, and indulging in videography.
After completing his B.Tech degree in Mechanical Engineering, Anu is currently pursuing a Ph.D. in Fluid Mechanics. His research focuses on the Lagrangian dynamics of inertial particles in vortical flows, with a particular interest in the heat, mass, and momentum exchange of water droplets in geophysical flows. Anu is also developing expertise in modeling hydrodynamic interactions and using analytical tools to study dynamical systems as part of his doctoral program. In his free time, Anu enjoys exploring different genres of music.
Meraj holds a B Tech degree in Mechanical Engineering and an M Tech degree in Renewable Energy. While pursuing his M Tech, he focused on the development of an indoor solar cooking system and successfully constructed a prototype of an indoor solar cooker. Presently, he is researching the scattering of electromagnetic waves by dielectric and conducting particles, as well as the radiation forces on them using the Lattice Boltzmann method. In addition to his work, Meraj enjoys swimming.
Himanshu's research focuses on various geophysical flows, hydrodynamic instabilities of complex fluids, and non-linear dynamics. Currently, he is investigating the translation and orientation dynamics of anisotropic particles in oceanic flows, with the aim of better understanding the transportation of microplastics. In his previous work for his MS degree, he studied the hydrodynamic instability of multiple base state solutions that are commonly found in two-layered channel flows with a wall slip condition. Beyond his research, he has a passion for cosmology and astronomy and enjoys exploring different varieties of food cuisine.
Shravya has a keen interest in comprehending two-phase flows and interfacial flow instabilities. She has previously conducted research on the evolution of stretching liquid bridges and the dynamics of jets. At present, her focus is on studying particle-laden flows using theoretical methods.
Karthiban is a research scholar pursuing his MS degree since August 2022. His research work focuses on predicting effective properties of composite materials. Specifically, he is using Asymptotic Homogenization methods to predict effective transport and elastic properties, in collaboration with Prof. Arockiarajan from SMCL. Prior to pursuing his MS degree, Karthiban worked as an Assistant Manager in Bajaj Auto Ltd, Aurangabad, after completing his Bachelor's degree in Mechanical Engineering. Apart from his academic pursuits, Karthiban enjoys cycling, traveling, and reading novels.
Hari's research focus is on comprehending the development and progression of surface gravity waves, which result from the instabilities generated by wind blowing over the ocean. Before joining IIT Madras, Hari worked as a Research Assistant at IISc, Bangalore, where he utilized data-driven methods to detect drop-drop interaction forces. During his undergraduate studies at BITS, Goa, he worked on internal waves and double diffusion, which was his first exposure to research. Hari's research interests encompass Theoretical Fluid Mechanics, Nonlinear phenomena, and employing data-driven techniques for the same. In his free time, Hari enjoys long-distance running and reading.
Aniket earned his Bachelor of Engineering (BE) in Civil Engineering from Jadavpur University in 2024. During his undergraduate studies, he gained valuable research experience as an Undergraduate Research Intern at the Neptune Lab at Jadavpur University, focusing on microfluidics and convective heat transfer. His bachelor's thesis involved a comprehensive analysis of various dampers in structural engineering. Following graduation, Aniket joined this lab as a Project Assistant. He is currently engaged in research on cloud microphysics, focusing on the microphysical processes that govern the formation and growth of cloud droplets, key to understanding precipitation mechanisms and improving weather prediction models.
Arabdha's research lies in understanding charged particle interactions and collisions of droplets occurring in clouds. Before joining IIT Madras, Arabdha worked as a summer intern at Loughborough University, where he studied motility-induced phase separation shown by active Brownian particles. His research journey began at Jadavpur University during his undergraduate studies, where he worked on problems related to micro-level fluid mixing. The long-term goal of his research is to use a combination of theory, simulation, and mathematical modelling to examine various problems in microfluidics, microhydrodynamics, and soft-matter physics to explore a wide array of interdisciplinary questions. Beyond research, Arabdha loves sketching and watching movies.