Journal Publications

20)  Kumar, N., Chalamalla, V.K*. & Dewan, A.  (2023) Large-eddy simulations of a forced plume subjected to volumetric heating in a stratified medium. Environmental Fluid Mechanics, https://doi.org/10.1007/s10652-023-09957-7

19) Agrawal, T., Agarwal, S., Chalamalla, V.K. et al. (2023) Performance and flow dynamics of heavy air curtains using experiments and numerical simulations. Environmental Fluid Mechanics, https://doi.org/10.1007/s10652-023-09948-8

  18) Siva Heramb Peddada, V. K. Chalamalla*, 2023, Numerical simulations of internal gravity wave resonant triads, Physics of Fluids, https://doi.org/10.1063/5.0160130 

17) S. Savitha, N. Kumar, V. K. Chalamalla, S. Sharma, V. Kumar, A. Chawla, A. Logani, 2023, Flow characteristics of positive and negative pressure irrigation in an immature tooth - A computational fluid dynamics study (Accepted in Journal of Conservative Dentistry and Endodontics)

16) T. Agrawal, N. K. Jha, V. K. Chalamalla*, 2023, Numerical investigation of air curtain flows in the doorway of a building using RANS and LES (Computers & Fluids, https://doi.org/10.1016/j.compfluid.2023.105948)

15) Sree Raj V, R. S. Solanki, V. K. Chalamalla*, S. S. Sinha, 2023, LES-based evaluations of the performance of twin-rotor vertical axis wind turbines ( Journal of Solar Energy Engineering: Including Wind Energy and Building Energy Conservation https://doi.org/10.1115/1.4063080)

14) S. H. Peddada, V. K. Chalamalla*, 2023, The role of stratification and initial conditions on the propagation and decay of near-inertial waves on a β-plane (Ocean Dynamics, https://link.springer.com/article/10.1007/s10236-023-01542-2)

13) T. Agrawal, S. H. Peddada, and V.K. Chalamalla*, 2022, Dynamics of a buoyant gravity current propagating in a linearly stratified medium (Physics of Fluids, https://doi.org/10.1063/5.0091683 )

12) N. Kumar, P. Mukherjee, V. K. Chalamalla*, A. Dewan and S. Balasubramanian, 2022, Assessment of RANS-based Turbulence Model for Forced Plume Dynamics in a Linearly Stratified Environment, Computers and Fluids  pdf

11)  P. Y.  Passaggia,  V. K. Chalamalla,  M. W. Hurley, A. Scotti,  E. Santilli (2020) Estimating pressure and internal-wave flux from laboratory experiments in focusing internal waves Experiments in Fluids  pdf

10)  D. Varma, V.K. Chalamalla, and M. Mathur(2020) Spontaneous superharmonic internal wave generation by modal interactions in uniform and nonuniform stratifications  Dynamics of Atmospheres and Oceans  pdf

9) A. Pal and V. K. Chalamalla (2020)  Evolution of plumes and turbulent dynamics in deep-ocean convection Journal of Fluid Mechanics , pdf

8)  Puthan, P., Jalali, M., Chalamalla, V. K., & Sarkar, S. (2019). Energetics and mixing in buoyancy-driven near-bottom stratified flow. Journal of Fluid Mechanics , doi:10.1017/jfm.2019.184   

7)  V.  K. Chalamalla,  E. Santilli,  A. Scotti, M. Jalali and S.Sarkar (2017)    SOMAR-LES: A framework for multi-scale modeling of turbulent stratified oceanic flows  Ocean Modeling  pdf   

6) M. Jalali, V.  K. Chalamalla and S.Sarkar(2017) On the accuracy of  overturn-based estimates of turbulent dissipation at rough topography, Journal of Physical Oceanography   pdf    

5) M. Jalali, A. VanDine, V.  K. Chalamalla and S.Sarkar(2017) Oscillatory stratified flow over supercritical topography: wave energetics and turbulence. Computers & Fluids     pdf     

4) V.  K. Chalamalla and S.Sarkar(2016) Parametric subharmonic instability during the reflection of internal wave beams, Journal of Fluid Mechanics     pdf      

3) V.  K. Chalamalla and S.Sarkar(2015) Mixing, dissipation rate, and their  overturn-based estimates in a near-bottom turbulent flow driven by internal tides,  Journal of Physical Oceanography    pdf     

2) V.  K. Chalamalla, B.Gayen, A.Scotti & S.Sarkar(2013) Turbulence during the reflection of internal gravity waves at critical and near-critical slopes. Journal of Fluid Mechanics     pdf        

1) Numerical Simulation of Gaseous Microflows by Lattice Boltzmann Method(2009) D. Arumuga Perumal, Vamsi Krishna, G. Sarvesh and Anoop K. Dass. International Journal of Recent Trends in Engineering, Vol. 1, No. 5, May 2009.  pdf


Archive

2) M. Mahajan, N. Kumar, D. Shikha, V. K Chalamalla, S. S. Sinha, 2023, Application of deep learning techniques for forced plume in a linearly stratified medium (http://arxiv.org/abs/2301.04374)

1) S. Balasubramanian and V. K. Chalamalla (2020) Super Cyclone Amphan: A Dynamical Case Study  https://arxiv.org/abs/2007.02982


Proceedings

4) N. Kumar, V. K. Chalamalla* and A. Dewan, 2021, Reynolds-Averaged Navier-Stokes Modeling of a Turbulent Forced Plume in a Stratified Medium, Materials Today: Proceedings 

3) R. S. Solanki, V. K. Chalamalla and S. S. Sinha,  Numerical simulations of flow past a three-blade vertical-axis wind-turbine (VAWT) using the actuator surface method,   8th International and 47th National Conference on Fluid Mechanics and Fluid Power (FMFP), December 9-11, 2020, IIT Guwahati, paper no. FMFP2020-253 

2) V. K. Chalamalla,  E. Santilli, A. Scotti & S. Sarkar (2016) SOMAR-LES for multiscale modeling of internal tide generation.  VIIIth International Symposium on Stratified Flows, San Diego (2016) https://joss.ucar.edu/sites/default/files/meetings/2016/issf/papers/chalamalla-vamsi-article.pdf

1) V.  K. Chalamalla(2012), The effect of upwelling and downwelling on turbulent entrainment in a surface stress-driven flow. Proceedings of the Geophysical Fluid Dynamics program, Woods Hole Oceanographic Institution, 2012 (287).  Report can be found here 

Invited talks

2) Nonlinear Dynamics of Internal Gravity Waves in the Ocean, Interdisciplinary Programme (IDP) in Climate Studies, IIT Bombay (October, 2019) 

1) V. K. Chalamalla and S Sarkar, “Turbulence and mixing driven by internal tides”, Guest seminar, University of North Carolina Chapel Hill, Chapel Hill, 2014.

Conference presentations

13) V. K. Chalamalla, E. Santilli, A. Scotti and S. Sarkar, “Multiscale computational modeling framework for stratified flows”, Ocean Sciences Meeting, Portland, 2018. 

12) V. K. Chalamalla, E. Santilli, A. Scotti and S. Sarkar, “SOMAR-LES: Multiscale Ocean Model”, Internal Waves, Turbulence, and the Overturning Circulation of the Ocean- A symposium in honor of Walter Munk's Centennial, La Jolla, 2017.

11) E. Santilli, V. K. Chalamalla, A. Scotti and S. Sarkar, “Capturing remote mixing due to internal tides using multi-scale modeling tool: SOMAR-LES”, 69th Annual Meeting, APS-DFD, Portland, 2016. 

10) V. K. Chalamalla, M. W. Hurley,  Passaggia P.-Y., and A Scotti, “Internal Wave Focusing Above a Three Dimensional Topography”, 69th Annual Meeting, APS-DFD, Portland,2016. DOI: https://doi.org/10.1103/APS.DFD.2016.GFM.P0027 

9) V. Verma, H. Pham, V. K. Chalamalla and S. Sarkar, “Restratification at oceanic fronts by baroclinic instabilities”, 69th Annual Meeting, APS-DFD, Portland,2016.

8) V. K. Chalamalla, E. Santilli, A. Scotti and S. Sarkar, “SOMAR-LES for multiscale modeling of internal tides”, 8th International Symposium on Stratified Flows, San Diego, 2016.

7) M. Jalali, S. Sarkar, and V. K. Chalamalla, “Local turbulence and baroclinic energy balance in a Luzon Strait model”, Ocean Sciences Meeting, New Orleans,2016. 

6) V. K. Chalamalla, E. Santilli, M. Jalali, A. Scotti and S. Sarkar, “Multiscale modeling of internal tide generation at steep model ridge”, ICMIDS, State College, PA, 2015.

5) V. K. Chalamalla and S. Sarkar, “Turbulence from internal wave overturns: dissipation rate, Thorpe scales and mixing efficiency”, Ocean Sciences Meeting, Honolulu, HI, 2014.

4) V. K. Chalamalla, and S. Sarkar, “Subharmonic instability during the off-critical reflection of an internal wave beam”, 67th Annual Meeting, APS-DFD, San Francisco, 2014.

3) V. K. Chalamalla and S. Sarkar, “Turbulence and mixing driven by internal tides”, Guest seminar, University of North Carolina Chapel Hill, Chapel Hill, 2014.

2) V. K. Chalamalla and S. Sarkar, “Mixing by internal waves that break at sloping topography”, 66th Annual Meeting, APS-DFD, Pittsburgh, PA, 2013.

1) V. K. Chalamalla and S. Sarkar, “Mixing by internal waves impinging on a slope”, 65th Annual Meeting, APS-DFD, San Diego, CA, 2012.