Narsimha Rapaka

King Abdullah University of Science and Technology — Saudi Arabia

Earth and Planetary Sciences · Physical Sciences

4h-index101citations16works0.02yr avg
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Research Topics

Oceanographic and Atmospheric Processes(7), Tropical and Extratropical Cyclones Research(5), Lattice Boltzmann Simulation Studies(4), Advanced Numerical Methods in Computational Mathematics(2), Fluid Dynamics and Turbulent Flows(2)

Publications16 total

An efficient Poisson solver for complex embedded boundary domains using the multi-grid and fast multipole methods
Journal of Computational Physics·2020· 3 citedOpen Access
Non-normal stability of embedded boundary methods through pseudospectra
Journal of Computational Physics·2018· 1 citedOpen Access
A pseudospectra-based approach to non-normal stability of embedded boundary methods
Bulletin of the American Physical Society·2017
Efficient ghost cell reconstruction for embedded boundary methods
Bulletin of the American Physical Society·2016
An immersed boundary method for direct and large eddy simulation of stratified flows in complex geometry
Journal of Computational Physics·2016· 15 cited
Simulation of Stratified Turbulent Flows in Complex Geometry
eScholarship (California Digital Library)·2015Open Access
An Immersed Boundary Method for the simulation of turbulent stratified flows over rough topography
Bulletin of the American Physical Society·2014
Large eddy simulation of the near to intermediate wake of a heated sphere at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si33.gif" overflow="scroll"><mml:mrow><mml:mi mathvariant="italic">Re</mml:mi><mml:mo>=</mml:mo><mml:mn>10</mml:mn><mml:mtext>,</mml:mtext><mml:mn>000</mml:mn></mml:mrow></mml:math>
International Journal of Heat and Fluid Flow·2014· 20 cited
Tidal flow over topography: effect of excursion number on wave energetics and turbulence
Journal of Fluid Mechanics·2014· 30 cited
Large overturns at a model Luzon Strait topography: an application of the Immersed Boundary Method
Bulletin of the American Physical Society·2013
Effect on $Ex$ on internal waves created by tidal flow over near-critical topographic features
Bulletin of the American Physical Society·2013
Tidal conversion and turbulence at a model ridge: direct and large eddy simulations
Journal of Fluid Mechanics·2013· 32 cited
Effect of slope criticality and tidal forcing on internal tide energetics at a model ridge
Bulletin of the American Physical Society·2012
Internal waves and turbulence created by tidal flow over small-scale topographic features
Bulletin of the American Physical Society·2012
Numerical simulations of internal tides at a model ridge
Bulletin of the American Physical Society·2011
Application of Immersed Boundary Method to DNS of Stratified Flows
Bulletin of the American Physical Society·2010

Frequent Co-authors

Sutanu Sarkar(11), Ravi Samtaney(4), Bishakhdatta Gayen(3), Masoud Jalali(1), Matthew B. de Stadler(1), Masoud Jalali Bidgoli(1), M. Al-Marouf(1), Masoud Jalali B.(1)