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<!DOCTYPE html>
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<title>Amrapalli Garanaik</title>
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<h3><p style="text-align: left; color: royalblue;"> PUBLICATIONS </p></h3>
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• Garanaik, A., Pereira, F. S., Smith, K., Robey, R., Li, Q., Pearson, B., & Van Roekel, L. 2024. “A new hybrid mass-flux/high-order turbulence closure for ocean vertical mixing”. Journal of Advances in Modeling Earth Systems, 16, e2023MS003846. https://doi.org/10.1029/2023MS003846
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• Garanaik, A., Venayagamoorthy, S. K., 2022 “Some new insights for inferring diapycnal (irreversible) diffusivity in stably stratified turbulence”, Phys. Fluids, 34, 096602.
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• Rastello, M., Klema, M.R., Carpenter, A., Garanaik, A., Venayagamoorthy, S. K., Gates, T. K., Marie, J. L. 2022, “Velocity measurements in an open-channel flow with high free-stream turbulence: Acoustic Doppler Velocimetry (ADV) vs Laser Doppler Anemometry (LDA)”, Flow Measurement, and Instrumentation. 102206.
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• Garanaik, A., Venayagamoorthy, S. K., 2019 “On the inference of the state of turbulence and mixing efficiency in stably stratified flows”, J. Fluid Mech. 867, 323-333.
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• Garanaik, A., Venayagamoorthy, S. K., 2018 “Assessment of small-scale anisotropy in stably stratified turbulent flows using direct numerical simulations”, Phys. Fluids 30, 126602.
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• Shroyer, E. L., Rudnick, D. L., Farrar, T., Lim, B., Venayagamoorthy, S. K., Laurent, L. C. St., Garanaik, A., Moum, J. N. 2016 “Modification of upper ocean temperature structure by subsurface mixing in presence of strong salinity stratification”, Oceanography 29 (2), 62-71.
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• Garanaik, A., Samelson, R., O’Neill, L., “Bulk estimates of surface flux responses associated with SST and surface current variation using Saildrone data in S-MODE project”, prep
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• Garanaik, A, Pereira, F., Roekel, L. V., Pearson, B., “An assumed distribution and high-order closure scheme for surface wave-driven Langmuir turbulence”, prep
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• Pereira, F., Garanaik, A, Pearson, B., Roekel, L. V., “Mass-flux and high-order closure for upper ocean turbulence under the influence of varying surface wind effects”, prep
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• Garanaik, A., Karimpour, F., Venayagamoorthy, S. K. “Evaluation of the standard k-epsilon closure scheme for modeling stably stratified wall-bounded turbulence”, prep
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• Garanaik, A., Petersen, M. R., Wolfram, P. J., “Horizontal and vertical variability of isopycnal diffusivity from online Lagrangian particles in high-resolution global ocean model”, prep
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<h3><p style="text-align: left; color: royalblue;"> INVITED TALKS </p></h3>
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“Turbulence closure model for ocean vertical mixing” College of Earth, Ocean, and Atm. Sci., graduate student lunch seminar series, OSU, June 2023
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“Surprises and challenges of small-scale turbulent mixing” Civil and Environmental engineering UW, EFM seminar, May 2023
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“A mass-flux and high-order closure scheme for upper ocean turbulence” UW School of Oceanography, Physical Oceanography seminar, May 2023
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“On the Importance of Accurate Parameterizations of Turbulent Mixing in Geophysical Flows”, SIAM CSE, March 2021 (Online).
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<h3><p style="text-align: left; color: royalblue;">PRESENTATIONS </p></h3>
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Garanaik, A., “Improving Langmuir turbulence parameterization in the ocean surface boundary layer with a new physically-motivated vertical mixing scheme” workshop on Climate Applications of Layering, May 2024, INI Cambridge, UK.
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Garanaik, A., Li, Q., Pereira, F., Roekel, L. V., Pearson, B., “A hybrid high-order/mass-flux vertical mixing scheme for Langmuir turbulence,” Ocean Sciences Meeting, American Geophysical Union, February 2024, New Orleans, Louisiana, USA.
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Kihn, A., Garanaik, A., Pearson, B., “Accelerating Ocean Turbulence Simulations with GPUs,” Ocean Sciences Meeting, American Geophysical Union, February 2024, New Orleans, Louisiana, USA.
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Lee, A., Hanson, A., Garanaik, A., Horvat, C., Pearson, B., “Impact of Langmuir turbulence on entrainment and mixing in sea-ice leads”, Ocean Sciences Meeting, American Geophysical Union, February 2024, New Orleans, Louisiana, USA.
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Garanaik, A., Pereira, F., Smith, K., Robey, R., Li, Q., Roekel, L. V, Pearson, B., “A new physically-motivated vertical mixing scheme for ocean surface boundary layer turbulence,” 76th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2023, Washington DC, USA.
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Garanaik, A., Samelson, R., O’Neill, L., “Bulk estimates of surface flux responses associated with SST and surface current variation using Saildrone data”, S-MODE Science Team Meeting, November 2023, NASA Ames Research Park, California, USA.
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Garanaik. A., Pereira, F., Roekel, L. V., Pearson, B., “Improving Ocean turbulence in climate models: A new scheme for upper-ocean vertical mixing”, World Climate Research Program: open science conference, October 2023, Kigali, Rwanda, Africa.
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Garanaik, A., Roekel, L. V., Smith, K., Pearson, B., “Assumed distribution closure for wave-driven turbulence in the ocean surface boundary layer,” Ocean Mixing, Gordon Research Conference, June 2022, MA, USA.
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Garanaik, A., Smith, K., Robey, R., Li, Q., Pearson, B., Roekel, L. V, “A hybrid mass-flux/higher-order closure parameterization for OSBL convective mixing”, Ocean Sciences Meetings, American Geophysical Union, February 2022 (Online).
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Pearson, B., Garanaik, A., Roekel, L. V., Smith, K., Li, Q., “A mass-flux model for Langmuir turbulence in the upper ocean”, Ocean Sciences Meeting, American Geophysical Union, February 2022 (Online).
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Garanaik, A., Robey, R., Roekel L. V., Li, Q., “Vertical mixing parameterization for the ocean surface boundary layer based on assumed distribution higher order closure”, Ocean Sciences Meeting, American Geophysical Union, February 2020, San Diego, CA, USA.
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Garanaik,A., Robey, R, Smith, K., Roekel, L. V, Li, Q., A new eddy diffusivity parameterization for ocean models usingAssumed Distribution Higher Order closure", DOE ESMD PI meeting 2020
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Garanaik, A., Petersen, M. R., Wolfram, P. J., “Eddy-driven diffusivity using Lagrangian particles in global ocean simulations”, E3SM all hand meeting, 2019, Westminster, Colorado, USA.
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Carpenter, A., Garanaik, A., Rastello, M., Venayagamoorthy, S. K. and Gates, T. K., “Flow velocity measurements in a laboratory flume with ADV and LDA: a comparative study”, 38th Annual American Geophysical Union Hydrology Days, Colorado State University, March 2018, Fort Collins, Colorado, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Some insights to infer turbulent diapycnal mixing in geophysical flows”, 71st Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2018, Atlanta, Georgia, USA.
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Venayagamoorthy, S.K. and Garanaik, A., “Utility of Thorpe and Ozmidov length scales to infer state of turbulence and mixing in geophysical flows”, 71st Annual Meeting of the Division of Fluid Dynamics, American Physical Society, Nov 2018, Atlanta, Georgia, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Evaluation of small-scale anisotropy in stably stratified turbulence”, 8th International Symposium on Environmental Hydraulics, June 2018, University of Notre Dame, Indiana, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Some insights for parameterizing mixing in stably stratified turbulence”, 38th Annual American Geophysical Union Hydrology Days, Colorado State University, March 2018, Fort Collins, Colorado, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Evaluation of small-scale anisotropy in stably stratified turbulence”, 70th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2017, Denver, Colorado, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Mixing efficiency of turbulent patches in stably stratified flows”, Rocky Mountain Fluid Mechanics Symposium, University of Colorado, August 2016, Boulder, Colorado, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Turbulent mixing and transport in oceanic flows”, Graduate student showcase, Colorado state University, November 2016, Fort Collins, Colorado, USA.
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Garanaik, A. and Venayagamoorthy, S. K., “Mixing efficiency of turbulent patches in stably stratified flows”, 69th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2016, Portland, Oregon, USA.
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Garanaik, A., Venayagamoorthy, S. K., Laurent, L. S., and Stretch. D. D., “A discussion on diapycnal mixing efficiency in stably stratified geophysical flows”, Ocean Sciences Meeting, American Geophysical Union, February 2016, New Orleans, Louisiana, USA.
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Garanaik, A., Venayagamoorthy, S. K. and Stretch. D. D., “An analysis of diapycnal mixing efficiency in stably stratified turbulent flows”, 68th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2015, Boston, Massachusetts, USA.
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Garanaik, A., Karimpour, F. and Venayagamoorthy, S. K., “Evaluation of the standard k-ϵ closure scheme for modeling stably stratified wall-bounded turbulence”, 67th Annual Meeting of the Division of Fluid Dynamics, American Physical Society, November 2014, San Francisco, California, USA.
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