Publications
Peer Reviewed Articles
Roget, B., Sitaraman, J.,
Lakshminarayan, V., and Wissink, A., “Prismatic Mesh Generation
Using Minimum Distance Fields,” Computers & Fluids, Vol. 200, 104429 (2020).
(link)
Jude, D., Sitaraman, J.,
Lakshminarayan, V., and James Baeder, “An Overset Generalised
Minimal Residual Method for the Multi-Solver Paradigm,”
International Journal of Computational Fluid Dynamics,
Vol. 34, (1), pp. 61-74, (2020)
(link)
Walther, C. M., Saemi, F., Benedict,
M., and Lakshminarayan, V. K., “Symmetric Versus Asymmetric
Pitching of a Cycliodal Rotor Blade at Ultra-Low Reynolds Numbers,”
Journal of Aircraft, Vol 56, (3) (2019). (link)
Lakshminarayan, V. K.,
Sitaraman, J., Wissink, M., “Sensitivity of Rotorcraft Hover Predictions
to Mesh Resolution in Strand Grid Framework,” AIAA Journal,
Vol. 57, (3), pp. 3173-3184 (2019).
(link)
Lakshminarayan, V. K.,
Sitaraman, J., and Wissink, A. M., “Application of Strand Grid
Framework to Complex Rotorcraft Simulations,” Journal of the
American Helicopter Society, 62, 012008 (2017).
(link)
Lakshminarayan, V. K.,
Sitaraman, J., Roget, B. and Wissink, A. M., “Development and
Validation of a Multi-Strand Solver for Complex Aerodynamic Flows,”
Computers & Fluids, Vol. 147, pp. 41-62 (2017). (link)
Benedict, M.,
Lakshminarayan, V. K., Pino, J., and Chopra, I., “Aerodynamics of
a Small-Scale Vertical Axis Wind Turbine with Dynamic Blade Pitching,”
AIAA Journal, Vol. 54, (3), pp. 924-935 (2016).
(link)
Lakshminarayan, V. K.,
and Duraisamy, K., “Adjoint-based Estimation and Control of Spatial,
Temporal and Stochastic Approximation Errors in Unsteady Flow
Simulations,” Computers & Fluids, Vol. 121, pp. 180-191 (2015).
(link)
Aranake, A. C.,
Lakshminarayan, V. K., and Duraisamy, K., “Computational Analysis
of Shrouded Wind Turbine Configurations using a 3-dimensional RANS
Solver,” Renewable Energy, Vol. 75, pp. 818-832 (2015).
(link)
Lind, A. H., Jarugumilli, T.,
Benedict, M., Lakshminarayan, V. K., Jones, A. R., and Chopra, I.,
“Flow Field Studies on a Micro-Air-Vehicle-Scale Cycloidal Rotor in
Forward Flight,” Experiments in Fluids, 55:1826 (2014).
(link)
Lakshminarayan, V. K.,
Farhat, C., and Main, A., “An Embedded Boundary Framework for Compressible
Turbulent Flow and Fluid-Structure Computations on Structured and Unstructured
Grid,” International Journal of Numerical Methods in Fluids,
Vol. 76, (6), pp. 366-395 (2014).
(link)
Aranake, A. C.,
Lakshminarayan, V. K., and Duraisamy, K., “Assessment of low-order
theories for analysis and design of shrouded wind turbines using CFD,”
Journal of Physics: Conference Series, 524, 012077 (2014).
(link)
Benedict, M., Jarugumilli, T.,
Lakshminarayan, V. K., and Chopra, I., “Effect of Flow
Curvature on the Forward Flight Performance of a MAV-Scale Cycloidal
Rotor,” AIAA Journal, Vol. 52, (6), pp. 1159-1169 (2014).
(link)
Farhat, C., and
Lakshminarayan, V. K., “An ALE Formulation of Embedded
Boundary Methods for Tracking Boundary Layers in Turbulent
Fluid-Structure Interaction Problems,” Journal of Computational
Physics, Vol. 263, pp. 53-70 (2014).
(link)
Lakshminarayan, V. K.,
Kalra, T. S., and Baeder, J. D., “Detailed
Computational Investigation of a Hovering Microscale Rotor in Ground
Effect,” AIAA Journal, Vol. 51, (4), pp. 893-909 (2013).
(link)
Lakshminarayan, V. K., and
Baeder, J. D., “Technical Note: Improved Shroud Design for Rotary Wing MAV
Applications Based on Computational Analysis,”
Journal of the American Helicopter Society, 57, 045001 (2012). (link)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Microscale
Shrouded Rotor Aerodynamics in Hover,” Journal of the American
Helicopter Society, 56, 042002 (2011). (link)
Baeder, J., Duraisamy, K.,
and Lakshminarayan, V. K., “RANS Predictions of Complex
Hovering Rotor Configurations: From Micro Scale to Full Scale,”
Computational Fluid Dynamics Journal, Vol. 18, (3-4):43,
pp. 539-579 (2011).
(Manuscript PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Microscale
Coaxial-Rotor Aerodynamics in Hover,” Journal of
Aircraft, Vol. 47, (3), pp. 940-955 (2010). (link)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Micro Hovering
Rotor Aerodynamics,” Journal of the American Helicopter
Society, 55, 022001 (2010). (link)
Lakshminarayan, V. K., and
Baeder, J. D., “High-Resolution Computational Investigation of
Trimmed Coaxial Rotor Aerodynamics in Hover,” Journal of the
American Helicopter Society, 54, 042008 (2009). (link)
Conference Proceedings
Aubry, R., Tuckey, T. R.,
Lakshminarayan, V. K.,, Mestreau, E., Williamschen, M., Szymczak, W.,
and Dey, S., “Semi structured adaptivity for surfaces and volumes,”
AIAA paper-2022-3492, AIAA Aviation 2022 Forum, Chicago, IL and Virtual,
June 27-July 1, 2022. (Download PDF)
Lakshminarayan, V. K.,
Aubry, R., Sitaraman, J., and Wissink, A. M., “Fully Automated
Surface Mesh Adaption in Strand Grid Framework,” AIAA paper-2022-1172,
AIAA SciTech 2022 Forum, San Diego, CA and Virtual, January 3-7, 2022. (Download PDF)
Lakshminarayan, V. K.,
Sitaraman, J., and Wissink, A. M., “Towards Adaptive Surface Meshing in
Strand Grid Framework,” AIAA paper-2021-0476, AIAA SciTech 2021 Forum, Virtual
Event, January 11-15 & 19-21, 2021.
(Download PDF)
Lakshminarayan, V. K.,
Sitaraman, J., Jain, R. and Wissink, A. M., “Improvements to
Automated Strand Meshing Capabilities for Rotary Wing Applications,”
Vertical Flight Society, Transformative Vertical Flight 2020, San Jose, CA,
January 21-23, 2020.
(Download PDF)
Tran, S., Lakshminarayan, V.
K., Sitaraman, J., and Wissink, A. M., “Transition Modeling in HPCMP
CREATETM-AV HELIOS v9 ,” AIAA paper-2019-1111, AIAA SciTech
2019 Forum, San Diego, CA, January 7-11, 2019.
(Download PDF)
Jude, D., Sitaraman, J.,
Lakshminarayan, V. K., and Baeder, J. D., “An Overset
Generalized Minimal Residual Method for CFD on Heterogeneous Compute
Architechtures,” AIAA paper-2019-0099, AIAA SciTech 2019 Forum, San
Diego, CA, January 7-11, 2019. (Download
PDF)
Roget, B., Sitaraman, J.,
Lakshminarayan, V. K., and Wissink, A. M., “Prismatic Mesh
Generation Using Minimum Distance Fields,” Tenth International Conference
on Computational Fluid Dynamics (ICCFD10), Barcelona, Spain, July 9-13, 2018.
(Download PDF)
Jude, D., Sitaraman, J.,
Lakshminarayan, V. K., and Baeder, J. D., “An Overset
Generalized Minimal Residual Method for the Multi-Solver Paradigm in
Helios,” AIAA paper-2018-3247, 2018 Fluid Dynamics Conference, Atlanta,
GA, June 25-29, 2018. (Download
PDF)
Tran, S.,
Lakshminarayan, V. K., Sitaraman, J., and Wissink, A. M.,
“Verification of Turbulence Models Available in CREATETM-AV
HELIOS v8,” AIAA paper-2018-1511, 2018 AIAA Aerospace Sciences Meeting,
Kissimmee, FL, January 8-12, 2018.
(Download PDF)
Lakshminarayan, V. K.,
Sitaraman, J., Roget, B., and Wissink, A. M., “Simulation of Complex
Geometries Using Automatically Generated Strand Meshes,” AIAA
paper-2018-0028, 2018 AIAA Aerospace Sciences Meeting, Kissimmee, FL, January
8-12, 2018.
(Download PDF)
Walther, C. M., Coleman, D.
A., Benedict, M., and Lakshminarayan, V. K., “Experimental and
Computational Studies to Understand Unsteady Aerodynamics of Cycloidal Rotors
in Hover at Ultra-low Reynolds Numbers ,” American Helicopter Society
73rd Annual Forum Proceedings, Fort Worth, TX, May 9-11, 2017.
(Download PDF)
Lakshminarayan, V. K.,
Sitaraman, J., and Wissink, A. M., “Sensitivity of Rotorcraft Hover
Predictions to Mesh Resolution in Strand Grid Framework,” AIAA
paper-2017-1672, 55th AIAA Aerospace Sciences Meeting, Grapevine, TX, January
9-13, 2017.
(Download PDF)
Sitaraman, J.,
Lakshminarayan, V. K., , Roget, B., and Wissink, A. M.,
“Progress in Strand Mesh Generation and Domain Connectivity for Dual-Mesh
CFD simulations,” AIAA paper-2017-0288, 55th AIAA Aerospace Sciences
Meeting, Grapevine, TX, January 9-13, 2017.
(Download PDF)
Lakshminarayan, V. K.,
Sitaraman, J., and Wissink, A. M., “Application of Strand Grid
Framework to Complex Rotorcraft Simulations,” AIAA paper-2016-3130, 34th
AIAA Applied Aerodynamics Conference, Washington D.C., June 13-17, 2016.
(Download PDF)
Lakshminarayan, V.
K., Sitaraman, J., Roget, B., and Wissink, A. M., “Development and
Validation of a Multi-Strand Solver for Complex Aerodynamic Flows,” AIAA
paper-2016-1581, 54th Aerospace Sciences Meeting, San Diego, CA, January 4-8,
2016.
(Download PDF)
Leffell, J. I, Sitaraman,
J., Lakshminarayan, V. K., and Wissink, A. M., “Towards Efficient
Parallel-in-Time Simulation for Periodic Flows,” AIAA-2016-0066, 54th
Aerospace Sciences Meeting, San Diego, CA, January 4-8, 2016.
(Download PDF)
Benedict, M.,
Lakshminarayan, V. K., Garber, J., and Chopra, I., “Experimental
and Computational Flow Field Studies of a Small-scale Vertical Axis Wind
Turbine with Dynamic Blade Pitching,” American Helicopter Society 71st
Annual Forum Proceedings, Virginia Beach, VA, May 5-7, 2015. (Download PDF)
Duraisamy, K., and
Lakshminarayan, V. K., “Flow Physics and Performance of Vertical Axis
Wind Turbine Arrays,” AIAA paper-2014-3139, 32nd AIAA Applied
Aerodynamics Conference, Atlanta, GA, June 16-20, 2014.
(Download PDF)
Lakshminarayan, V.
K., and Farhat, C., “Nonlinear Aeroelastic Analysis of
Highly Flexible Flapping Wings Using an ALE Formulation of Embedded
Boundary Method,” AIAA paper-2014-0221, 52nd Aerospace Sciences
Meeting, National Harbor, MD, January 13-17, 2014.
(Download PDF)
Kalra, T. S.,
Lakshminarayan, V. K., and Baeder, J. D., “Effect of Tip
Geometry on a Hovering Rotor in Ground Effect: A Computational
Study,” AIAA paper-2013-2542, 31st AIAA Applied Aerodynamics
Conference, San Diego, CA, June 24-27, 2013.
(Download PDF)
Lakshminarayan, V. K.,
and Farhat, C., “An ALE-Eulerian Formulation of
Embedded Boundary Methods for Turbulent Fluid-Structure Interaction
Problems,” AIAA paper-2013-2441, 21st AIAA Computational Fluid
Dynamics Conference, San Diego, CA, June 24-27, 2013.
(Download PDF)
Jarugumilli, T., Lind, A. H.,
Benedict, M., Lakshminarayan, V. K., Jones, A. R., and Chopra,
I., “Experimental and Computational Flow Field Studies of a
MAV-scale Cycloidal Rotor in Forward Flight,” American Helicopter Society
69th Annual Forum Proceedings, Phoenix, AZ, May 21-23, 2013.
(Download PDF)
Benedict, M.,
Lakshminarayan, V. K., Pino, J., and Chopra, I.,
“Fundamental Understanding of the Physics of a Small-Scale
Vertical Axis Wind Turbine with Dynamic Blade Pitching: An Experimental
and Computational Approach,” AIAA paper-2013-1553, 54th AIAA
Structural Dynamics, and Materials Conference, Boston, MA, April 8-11, 2013.
(Download PDF)
Aranake, A. C,
Lakshminarayan, V. K., and Duraisamy, K., “Computational Analysis of
Shrouded Wind Turbine Configurations,” AIAA paper-2013-1211,
51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and
Aerospace Exposition, Grapevine, TX, January 7-10, 2013.
(Download PDF)
Lakshminarayan, V. K.,
Duraisamy, K., and Alonso, J., “Adjoint-Based Estimation and Control of Spatial,
Temporal and Stochastic Approximation Errors for Aerodynamic Applications,”
AIAA paper-2013-518, 51st AIAA Aerospace Sciences Meeting including the New Horizons
Forum and Aerospace Exposition, Grapevine, TX, January 7-10, 2013.
(Download PDF)
Aranake, A. C,
Lakshminarayan, V. K., and Duraisamy, K., “Assessment of Transition Model
and CFD Methodology for Wind Turbine Flows,” AIAA paper-2012-2720,
42nd AIAA Fluid Dynamics Conference and Exhibit, New Orleans, LA, June 25-28, 2012.
(Download PDF)
Malhan, R., Lakshminarayan, V. K.,
Baeder, J. D., Chopra, I., Masarati, P., Morandini, M., and Quaranta, G.,
“CFD-CSD Coupled Aeroelastic Analysis of Flexible Flapping Wings for MAV
Applications: Methodology Validation,” AIAA paper-2012-1636,
53rd AIAA Structural Dynamics, and Materials Conference, Honolulu, HI, April 23-26, 2012.
(Download PDF)
Benedict, M., Jarugumilli, T.,
Lakshminarayan, V. K., and Chopra, I., “Experimental and
Computational Studies to Understand the Role of Flow Curvature Effects on the
Aerodynamic Performance of a MAV-Scale Cycloidal Rotor in Forward
Flight,” AIAA paper-2012-1629, 53rd AIAA Structural Dynamics, and Materials Conference,
Honolulu, HI, April 23-26, 2012.
(Download PDF)
Kalra, T. S., Lakshminarayan, V. K.,
Baeder, J. D., and Thomas, S., “Methodological
Improvements for Computational Study of Hovering Micro-Rotor in Ground
Effect,” AIAA paper-2011-3552, 20th AIAA Computational Fluid
Dynamics Conference, Honolulu, HI, June 27-30, 2011.
(Download PDF)
Thomas, S., Lakshminarayan, V. K.,
Kalra, T. S., and Baeder, J. D., “Eulerian-Lagrangian
Analysis of Cloud Evolution using CFD Coupled with a Sediment Tracking
Algorithm,” American Helicopter Society 67th Annual Forum
Proceedings, Virginia Beach, VA, May 3-5, 2011.
(Download PDF)
Malhan, R., Lakshminarayan, V. K.,
Baeder, J. D., and Chopra, I., “Investigation of
Aerodynamics of Rigid Flapping Wings for MAV Applications: CFD
Validation,” Proceedings of the American Helicopter Society
International Specialists' Meeting on Unmanned Rotorcraft and Network
Centric Operations, Tempe, AZ, January 25-27, 2011.
(Download PDF)
Yang, K., Lakshminarayan, V. K.,
and Baeder, J. D., “Simulation of a Cycloidal Rotor
System Using an Overset RANS Solver,” American Helicopter Society
66th Annual Forum Proceedings, Phoenix, AZ, May 11-13, 2010.
(Download PDF)
Kalra, T. S., Lakshminarayan, V. K.,
and Baeder, J. D., “CFD Validation of Micro Hovering
Rotor in Ground Effect,” American Helicopter Society 66th Annual
Forum Proceedings, Phoenix, AZ, May 11-13, 2010.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Micro-Scale
Shrouded Rotor Aerodynamics in Hover,”Proceedings of the American
Helicopter Society International Specialists' Meeting on Aeromechanics,
San Francisco, CA, January 20-22, 2010.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Numerical Study of the Effects of Leading and
Trailing Edge Geometries and Planform on Micro Hovering
Rotor,”Proceedings of the American Helicopter Society
International Specialists' Meeting on Unmanned Rotorcraft Systems,
Phoenix, AZ, January 20-22, 2009.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Small Scale
Coaxial Rotor Aerodynamics in Hover,” AIAA paper-2009-1069, 47th
AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, January 5-May
9, 2009.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Further Investigation of Micro Hovering Rotor
Aerodynamics using Time Accurate Computations,” American
Helicopter Society 64th Annual Forum Proceedings, Montreal, Quebec,
Canada, April 29-May 1, 2008.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “High Resolution Computational Investigation of
Trimmed Coaxial Rotor Aerodynamics in Hover,” Proceedings of the
American Helicopter Society International Specialists' Conference on
Aeromechanics, San Francisco, CA, January 23-25, 2008.
(Download PDF)
Lakshminarayan, V. K.,
Duraisamy, K. and Baeder, J. D., “Computational Investigation of
Coaxial Rotor Aerodynamics in Hover,” American Helicopter Society
63rd Annual Forum Proceedings, Virginia Beach, VA, May 1-3, 2007.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Computational Investigation of Micro Hovering
Rotor Aerodynamics,” Proceedings of the American Helicopter
Society International Specialists' Meeting on Unmanned Rotorcraft,
Chandler, AZ, January 23-25, 2007.
(Download PDF)
Lakshminarayan, V. K., Bush,
B. L., Duraisamy, K. and Baeder, J. D., “Computational
Investigation of Micro Hovering Rotor Aerodynamics,” AIAA
paper-2006-2819, 24th AIAA Applied Aerodynamics Conference, San
Francisco, CA, June 5-8, 2006.
(Download PDF)
Invited Talks
“Development and
Validation of a Multi-Strand Solver for Complex Aerodynamic Flows,”
Advanced Modeling & Simulation (AMS) Seminar Series, NASA Ames Research Center,
Moffett Field, CA, March 8, 2016. (Link)
“Computational
Analysis of the Flow Physics of Complex MAV-scale Systems using a Compressible
Rans-based Approach,” Seminar at NASA Ames Research Center, Moffett
Field, CA, September 3, 2014.
“Nonlinear Aeroelastic
Analysis of Highly Flexible Flapping Wings Using an ALE Formulation of Embedded
Boundary Method,” Seminar at US Army Research Laboratory, Aberdeen
Proving Ground, MD, January 17, 2014. (Download PDF)
“Computational Study
of the Aerodynamics of Hover-Capable Micro Air Vehicles using Compressible
RANS-based Approach and Overset Grid Methodology,” Seminar at Indian
Institute of Science, Bangalore, India, August 18, 2010. (Download PDF)
International Conference Presentations
Lakshminarayan, V. K.,
Sitaraman, J., and Wissink, A. M., “Application of Strand Grid
Framework to Complex Rotorcraft Simulations,” 13th Symposium on Overset
Composite Grids and Solution Technology, Mukilteo, WA, October 17-20, 2016.
(Download PPT)
Lakshminarayan, V. K.,
and Farhat, C., “An ALE Formulation of Embedded
Boundary Methods for Turbulent Fluid-Structure Interaction
Problems,” 12th U.S. National Congress on Computational
Mechanics, Raleigh, NC, July 22-25, 2013.
(Download PDF)
Lakshminarayan, V. K., and
Baeder, J. D., “Application of Overset Grid Methodology to Micro
Rotor Simulations,” 10th Symposium on Overset Composite Grids and
Solution Technology, Moffett Field, CA, September 20-23, 2010.
(Download PDF)
Baeder J. D., Duraisamy, K., and
Lakshminarayan, V. K., “Rotorcraft Hovering Wake Predictions:
From Micro-scale to Full-Scale,” ARO Workshop on Vortex Dominated Flows,
NIA, Hampton, VA, June 18-19, 2009.
Lakshminarayan, V. K., and
Baeder, J. D., “Numerical Study of the Effects of Planform on
Micro Hovering Rotor,” ARO Rotorcraft Wake Prediction Basic
Research Workshop, Atlanta, GA, March 16-17, 2009.
(Download PDF)
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