Publications

G. Balamurugan, S. S. Gopalakrishnan, and A. C. Mandal,  An experimental observation of intermittent extreme events in boundary layer transition, Physica D:  Nonlinear Phenomena, Vol 476, 134598, 2025  (doi.org/10.1016/j.physd.2025.134598)

R. Muniyammal, S. S. Gopalakrishnan, S. Kumar, and A. C. Mandal, On the instability of a flow past a spherical cap body, Lecture notes in Mechanical Engineering; Fluid Mechanics and Fluid Power, Springer, Singapore, Vol 7, 257, 2024 (doi.org/10.1007/978-981-99-7047-6_19)

S. S. Gopalakrishnan, M. Tlidi, M. Taki, and K. Panajotov, Breathing of dissipative light bullets of nonlinear polarization mode in Kerr resonators, Optics Letters, Vol 47, 3652, 2022  (doi.org/10.1364/OL.455758)

C. A. Middleton, S. S. Gopalakrishnan, I. Berenstein, B. Knaepen, J. L. Tison, and A. De Wit, The relative role of interfacial fingers and deep penetrating internally driven streamers in convective flows during sea-ice growth, Physical Review Fluids, Vol 7, 043503, 2022 (doi.org/10.1103/PhysRevFluids.7.043503)

D. Dutta, I. Kanshana, S. S. Gopalakrishnan, and A. C. Mandal, Experimental studies on the frequency selection in flat plate wakes: mean flow stability analyses and low dimensional modelling, Physical Review Fluids, Vol 7, 044102, 2022 (doi.org/10.1103/PhysRevFluids.7.044102)

S. S. Gopalakrishnan, and A. C. Mandal, Transient growth in a flat plate boundary layer under a stream with uniform shear, Physics of Fluids, Vol 33, 114101, 2021 (doi.org/10.1063/5.0063983)

M. Tlidi, S. S. Gopalakrishnan, M. Taki, and K. Panajotov, Optical crystals and light-bullets in Kerr resonators, Chaos, Solitons & Fractals, Vol 152, 111364, 2021 (doi.org/10.1016/j.chaos.2021.111364)

B. Kostet, S. S. Gopalakrishnan, E. Averlant, Y. Soupart, K. Panajotov, and M. Tlidi, Vectorial dark dissipative solitons in Kerr resonators, OSA Continuum, Vol 4(5), 1564, 2021 (doi.org/10.1364/OSAC.418653)

S. S. Gopalakrishnan, K. Panajotov, M. Taki, and M. Tlidi, Dissipative light bullets in Kerr cavities: Multistability, clustering, and rogue waves, Physical Review Letters, 126, 153902, 2021 (doi.org/10.1103/PhysRevLett.126.153902)

S. S. Gopalakrishnan, B. Knaepen, and A. De Wit, Scalings of the mixing velocity for buoyancy-driven instabilities in porous media, Journal of Fluid Mechanics, Vol 914, A27, 2021 (doi.org/10.1017/jfm.2021.42)

S. S. Gopalakrishnan, On the instability of buoyancy-driven flows in porous media, Journal of Fluid Mechanics, Vol 892, A13, 2020 (doi.org/10.1017/jfm.2020.201)

S. S. Gopalakrishnan, J. Carballido-Landeira, B. Knaepen, and A. De Wit, Control of Rayleigh-Taylor instability onset time and convective velocity by differential diffusion effects, Physical Review E, Vol 98, 011101, 2018 (doi.org/10.1103/PhysRevE.98.011101)

S. S. Gopalakrishnan, J. Carballido-Landeira, A. De Wit, and B. Knaepen, Relative role of convective and diffusive mixing in the miscible Rayleigh-Taylor instability in porous media, Physical Review Fluids, Vol 2, 012501, 2017 (doi.org/10.1103/PhysRevFluids.2.012501)

S. S. Gopalakrishnan, Dynamics and stability of flow through abdominal aortic aneurysms, PhD Thesis, Universite de Lyon 1, 2014 (theses.hal.science/tel-00954202/file/2014_Gopalakrishnan.pdf)

S. S. Gopalakrishnan, B. Pier, and A. Biesheuvel, Global stability analysis of flow through a fusiform aneurysm: steady flows, Journal of Fluid Mechanics, Vol 752, 90, 2014 (doi.org/10.1017/jfm.2014.292)

S. S. Gopalakrishnan, B. Pier, and A. Biesheuvel, Dynamics of pulsatile flow through model abdominal aortic aneurysms, Journal of Fluid Mechanics, Vol 758, 150, 2014 (doi.org/10.1017/jfm.2014.535)

  Under Review

C. Sumen, and S. S. Gopalakrishnan, Global stability analysis of flow through a stenosis: preliminary investigation on the effect of swirl, Computational Thermal Sciences (under review)

R. Muniyammal, S. S. Gopalakrishnan, S. Kumar, and A. C. Mandal, On the stability and dynamics of flows past bubble-shaped rigid bluff bodies, Journal of Fluid Mechanics (under review)

    In Preparation

C. Sumen, and S. S. Gopalakrishnan,  Global stability analysis of swirling flows through stenosed pipes (in preparation)

B. K. Singh, C. Sumen, and S. S. Gopalakrishnan,  Stability characteristics of the flow past a cylinder in planar shear (in preparation)