Publications

A. PUBLISHED BOOKS, BOOK CHAPTERS, AND EDITED VOLUMES
1. Sankar, L. N. and Malone, J. B., "A Numerical Solution Procedure for Steady and Unsteady Transonic Potential Flows," Chapter in Recent Advances in Numerical Methods in Fluids, Vol. III, (W.G. Habashi, Editor), Pineridge Press (1983)
2. Wu, J.C., Rizk, Y.M. and Sankar, L.N., "Problems of Time- Dependent Navier- Stokes Flow," Chapter 6 in Developments in Boundary Element Methods. Vol. 111, Applied Science Publishers (1983).
3. Wu, J.C., Guicat, U., Wang, C.M. and Sankar, L.N., "A Generalized Boundary Element Method for Unsteady Viscous Flow Problems," Chapter in Topics in Boundary Element Research, Vol. V, (C. A. Brebbia, Editor), Springer Verlag, 1989.
4. Sankar, L. N. and Malone, J. B., "Modem Computational Methods for Rotorcraft Applications," in Advances in Computational Fluid Dynamics., Vol. 4, (W.B. Habashi, Editor), Gordon-Breach Publishers, 1990.
5. Sankar, L. N., "Advanced Computational Techniques for Detailed Analysis of Flows over Fixed and Rotary Wing Geometries," in Computational Fluid Dynamics Review 1998, M. Hafez and K. Oshima, Editors. World Scientific Publishing Co., 1998.
6. Liu, Y., Sankar, L., Ahuja, K., Englar, R., Gaeta, R., “Computational Evaluation of the Steady and Pulsed Jet Effects on the Performance of a Circulation Control Wing Section,” in Applications of Circulation Control Technology, Progress in Aeronautics and Astronautics, AIAA Series, 2006.
B. REFEREED PUBLICATIONS
1. Tassa, Y. and Sankar, L. N., "Effect of Suction on Shock- Boundary Layer Separation," AIAA Journal, Vol. 17, No. 11, 1979.
2. Sankar, L. N. and Tassa, Y., "Reynolds Number and Compressibility Effects on the Dynamic Stall of a NACA 0012 Airfoil," AIAA Journal, Vol. 19, No. 5, 198l.
3. Sankar, L.N., Malone, J.B. and Tassa, Y., "A Strongly Implicit Procedure for Steady Three-Dimensional Potential Flows," AIAA Journal. Vol. 20, No. 5, 1982.
4. Roach, R.L. and Sankar, L.N., "Strongly Implicit Procedure Applied to the Flow Field of Transonic Turbine Cascades," AIAA Journal, Vol. 20, No. 9, 1982.
5. Sankar, L. N., "A Multigrid Strongly Implicit Procedure for Two-Dimensional Transonic Potential Flow Pr6blems," AIAA Journal, Vol. 21, No. 11, 1983.
6. Malone, J. B. and Sankar, L.N., "Numerical Simulation of Two-Dimensional Unsteady Transonic Flows Using the Full Potential Equation," AIAA Journal, Vol. 22, No. 8, 1984.
7. Lekoudis, S.G. and Sankar, L.N., "A Method for Designing Three-Dimensional Configurations with Prescribed Skin Friction," Journal of Aircraft, Vol. 21, No. 11, 1984.
8. Lekoudis, S.G., Sankar, L.N. and Malone, J.B., "The Application of Inverse Boundary Layer Methods to the Three- Dimensional Viscous Design Problem," Communications on Applied Numerical Methods, Vol. 2, pp. 57-62, 1986.
9. Sankar, L.N., Wake, B.E. and Lekoudis, S.G., "Solution of the Unsteady Euler Equations for Fixed and Rotor Wing Configurations," Journal of Aircraft, Vol. 23, No. 4, pp. 283- 289, 1986.
10. Wake, B.E., Sankar, L.N. and Lekoudis, S.G., "Computation of Rotor Blade Flows Using the Euler Equations," Journal of Aircraft, Vol.:23, No. 7, pp. 582-588, 1986.
11. Malone, J. B., Sankar, L. N. and Sotomayer, W., "Unsteady Aerodynamic Modeling of a Fighter Wing in Unsteady Transonic Flow," Journal of Aircraft, Vol. 23,No. 8, pp. 611-620,1986.
12. Sankar, L.N., Malone, J. B. and Schuster, D., "Euler Solutions for Transonic Flow past a Fighter Wing," Journal of Aircraft, Vol. 24, NO. 1, pp. 10-1 6, 1987.
13. Malone, J.B., Vadyak. J. and Sankar, L.N., "Inverse Aerodynamic Design Method for Aircraft Components," Journal of Aircraft, Vol. 24, No. 1, pp. 8-9, 1987
14. Sotomayer, W., Sankar, L. N. and Malone, J. B., "A Comparison of Numerical Algorithms for Unsteady Transonic Flow," Computer Methods in Applied Mechanics and Engineering, Vol. 64, pp237-265,1987.
15. Ruo, S. Y. and Sankar, L. N., "Euler Calculations for Wing- Alone Configuration, Journal of Aircraft, Vol. 25, No. 5, May 1988, pp436-441.
16. Wu, Jiunn-Chi, Kaza, K and Sankar, L. N., "A Technique for the Prediction of Airfoil Flutter Characteristics in Separated Flow," Journal of Aircraft, Vol. 26, No. 2, February 1989, pp l68- 177.
17. Wake, B. E. and Sankar, L. N., "Solutions of the Navier- Stokes Equations for the Flow About a Rotor Blade," Journal of the American Helicopter Society, April 1989.
18. Wu, Jiunn-Chi, Huff, D. and Sankar, L.N., "Evaluation of Three Turbulence Models in Static Airloads-and Dynamic Stall Predictions," Journal of Aircraft, Vol. 27, No. 4, April 1990, pp382-384.
19. Tang, W., Komerath, N. and Sankar, L. N., "Numerical Simulation of the Growth of Instabilities in Supersonic Free Shear Layers," Journal of Propulsion and Power, Vol. 6, No. 4, July-August 1990, pp455-460.
20. Kwon, O. J., Hodges, D., and Sankar,L. N., “ Stability of Hingeless Rotors Using Three-Dimensional Unsteady Aerodynamics," Journal of the American Helicopter Society, Vol. 36, No. 2, 1991.
21. Srivastava, R., Sankar, L. N. and Reddy, T.S.R., "Application of an Efficient Hybrid Scheme for Aeroelastic Analysis of Advanced Propellers," Journal of Propulsion and Power, September-October 1991, pp 767-775.
22. Malone, J. B., Narramore, J. C. and Sankar, L. N., "Airfoil Design Method Using the Navier-Stokes Equations," J. of Aircraft, Vol. 28, No. 3, March 1991, pp2l6-224.
23. Hassan, A. A. and Sankar, L. N., "Separation Control Using Moving Surface Effects: A Numerical Simulation," Journal of Aircraft, Vol. 29, No. 1, January-February 1992, pp. 131-139.
24. Tuncer, I. and Sankar, L. N., "Numerical Simulation of Three-Dimensional Supersonic Free Shear Layers," AIAA Journal, Vol. 34, No. 4, April 1992., pp. 871-873.
25. Srivastava, R. and Sankar, L. N., "Efficient Hybrid Scheme for the Analysis of Counter-Rotating Propellers," Journal of Propulsion and Power, Vol. 9, No. 3, May June 1993.
26. Kwon, 0. J. and Sankar, L. N., 'Viscous Flow Simulation of a Fighter Aircraft," J. of Aircraft, Vol. 29, No. 5, pp 886-891, September-October 1992.
27. Sankar, L. N., Bharadvaj, B. and Tsung, Fu-Lin,'7hree-Dimensional Navier-Stokes/Full Potential Coupled Analysis for Viscous Transonic Flow," AIAA Journal, Vol. 31, No. 10, October 1993, pp 1857-1862.
28. Hixon, Ray and Sankar, L. N., "Application of a Generalized Minimum Residual Method to Two-Dimensional Unsteady Flows," AIAA Journal, Vol. 31, No. 10, October 1993, pp 1955-1957.
29. Berezin, C. R. and Sankar, L. N., "An Improved Navier-Stokes/Full Potential Coupled Analysis for Rotors," Mathematical and Computer Modeling, Vol. 19, No. 3/4, February 1994, ppl25-133.
30. Tuncer, 1. H. and Sankar, L. N., "Unsteady Aerodynamic Characteristics of a Dual-Element Airfoil," Journal of Aircraft, Vol. 31, No. 3, May-June 1994.
31. Hassan, A. A., Sankar, L. N., and Tadghighi, H., "Effects of Leading and Trailing Edge Flaps on Airfoil-Vortex Interactions," Journal of the American Helicopter Society, April 1994, Vol. 39, No.2, pp. 35-46.
32. Hixon, Duane, Tsung, Fu-Lin, and Sankar, L. N., "Comparison of Two Methods for Solving Three-Dimensional Unsteady Compressible Viscous Flows," AIAA Journal, October 1994, Vol. 32, No. 10, pp. 1978-1984.
33. Viswanathan, K and Sankar, L. N., "Toward the Direct Calculation of Noise: Fluid/Acoustic Coupled Simulation," AIAA Journal, December 1995, Vol. 33, No. 12, pp. 2271-2279.
34. Bangalore, A. and Sankar, L. N., "Numerical Analysis of Aerodynamic Performance of Rotors with Leading Edge Slats,' Journal of Computational Mechanics, Vol. 17, pp. 335-342,1996.
35. Bangalore, A., Latham, R. L. and Sankar, L. N., "Numerical Simulation of Viscous Flow over rotors using a Distributed Computing Strategy," AIAA Journal, Vol. 34, No. 10, October 1996, pp. 2189-2190.
36. Nance, D., Viswanathan, K and Sankar, L. N., *Low Dispersion Finite Volume Scheme for Aeroacoustic Applications," AIAA Journal, Vol. 35, No. 2, February 1997.
37. Bangalore, A and Sankar, L. N., "Forward Flight Analysis of Slatted rotors using Navier-Stokes methods," Journal of Aircraft, Vol. 34, No. 1, January-February 1997, pp. 80-86.
38. Berkman, M., Sankar, L. N., Berezin, C. and Torok, M., "A Navier-Stokes/Full Potential Free Wake Method for Rotor Flows," Journal of Aircraft, Vol. 34, No. 5, September-October 1997, pp. 635-640.
39. Tapia, F., Sankar, L. N. and Schrage, D. P., "An Inverse Design Method for Rotor Blades," Journal of the American Helicopter Society, October 1997, pp. 321-326.
40. Kwon, O. J. and Sankar, L. N., "Numerical Simulation of the Flow about a Swept Wing with Leading Edge Ice Accretions," Computers and Fluids, Vol. 26, No. 2, pp. 183-192, 1997.
41. Berezin, C. R. and Sankar, L. N., "Improvements to a Tightly Coupled Viscous-Inviscid Procedure for 3-D Unsteady Transonic Flow," Computers and Fluids, Vol. 27, No. 5-6, pp.689-694, 1998.
42. Stein, A., Niazi, S. and Sankar, L. N., "Computational Analysis of Surge and Separation Control in Centrifugal Compressors," AIAA Journal of Propulsion and Power, Vol. 16, No. 1, January-February 2000, pp.65-71.
43. Vermeersch, S., Weed, R., Sankar, L. N. and Rai, P., "Towards Cost-Effective Aeroelastic Analysis on Advanced parallel Computing Systems," AIAA Journal of Aircraft, July-August 1999, Volume 36, No. 4, pp. 710-715.
44. Mello, O. and Sankar, L. N., "Computation of Unsteady Transonic Flow over a Fighter Wing using a Zonal Navier-Stokes/Full Potential method," International Journal for Numerical Methods in Fluids, Vol. 29, pp.575-585, 1999.
45. Wang, G., Sankar, L. N., and Tadghighi, H., "Prediction of Rotorcraft Noise with a Low Dispersion Finite Volume Scheme," AIAA Journal, Vol. 38, No. 3, March 2000, pp. 395-401.
46. Xu, Guanpeng, and Sankar, L. N., “Computational Study of Horizontal Axis Wind Turbines," ASME Journal of Solar Energy Engineering, Vol. 122, No. 1, February 2000, pp. 35-39.
47. Stein, A., Niazi, S., and Sankar, L. N., "Computational Analysis of the Centrifugal Compressor Surge Control using Air Injection," J. Aircraft, Vol. 38, No. 3, pp. 513-520, May-June 2001.
48. Liu, Z., Russell, J. W., Sankar, L. N., and Hassan, A., "A Study of Rotor Tip Vortex Structure Alteration Techniques," J. Aircraft, Vol. 38, No. 3, pp. 473-477, May-June 2001.
49. Xu, G. and Sankar, L. N., “Application of a Viscous Flow methodology to NREL Phase VI Wind Turbine,” Journal of Wind Energy, 2002.
50. Yang, Z., Sankar, L. N., Smith, M. J., and Sankar, O., “Recent Improvements to a Hybrid Method for Rotors in Forward Flight,” Journal of Aircraft, Vol. 39, No. 5, pp. 804-812, September-October 2002.
51. Sahin M., Sankar L., Chandrasekhara, M.S. and Tung C., "Dynamic Stall Alleviation using a Deformable Leading Edge Concept - A numerical Study", AIAA Journal of Aircraft, 40 (1), 2003, pp.77-85.
52. Hariharan, N., and Sankar, L. N., "Unsteady Overset Simulation of Rotor-Airframe Interaction," Journal of Aircraft, Vol. 40, No.4, July-Aug 2003, pp 662-675.
53. Hariharan, N., and Sankar, L. N., "High-Order Essentially Non-oscillatory Schemes for Rotary-Wing Wake Computations," Journal of Aircraft, Vol. 41, No. 2, pp 258-267, March-April 2004.
54. Tongchitpakdee, C, Benjanirat, S., Sankar, L., “Numerical Simulation of the Aerodynamics of Horizontal Axial Wind Turbines under Yawed Flow Conditions,” J. of Solar Energy, Vol. 127, 2005.
55. Tongchitpakdee C., Benjanirat, S. and Sankar, L. N. “Numerical Studies of the Effects of Active and Passive Circulation Enhancement Concepts on Wind Turbine Performance,” J. Sol. Energy Eng. 128 432 (2006).
56. Hariharan, N., and Sankar, L. N.,” Uniformly High-Order Essentially Non-Oscillatory Schemes for Vortex Convection across Overset Interfaces,” AIAA Journal of Aircraft, Vol. 45, No. 2, 2008.
57. Min, B. Y., Lee, W., Englar, R., and Sankar, L. N.,” Numerical Investigation of Circulation Control Airfoils,” Journal of Aircraft, Vol. 46, No. 4, 2009, pp. 1403-1410.
58. Bain, J., Sankar, L. N., Prasad, J. V. R., Bauchau, O., Peters, D. A., and He, C., ” Computational Modeling of Variable Droop Leading Edge in Forward Flight,” Journal of Aircraft, Vol. 46, No. 2, pp. 617-626, March-April 2009.
59. Moodie, A., Sankar, L. and Schrage, D. P., “Sizing and Performance-Prediction Method for Rotary-Wing Ejector Nozzles,” Journal of Aircraft, Vol. 46, No. 3, pp. 951-961, May-June 2009.
60. Min, B. Y., Sankar, L. N., Rajmohan, N., and Prasad, J. V. R., “Computational Investigation of Gurney Flap Effects on Rotors in Forward Flight,” Journal of Aircraft, Vol. 46, No. 6, pp. 1957-1964, November-Dec 2009.
61. Zaki, M., Menon, S., and Sankar, L. N., “Hybrid Reynolds-Averaged Navier-Stokes and Kinetic Energy Simulation of External and Internal Flows,” Journal of Aircraft, Vol. 47, No. 3, pp. 805-811, May-June 2010.
62. Min, B. Y. and Sankar, L. N., “Hybrid Navier-Stokes/Free Wake Method for Modeling Blade-Vortex Interactions,” Journal of Aircraft, Vol. 47, No. 3, pp. 975-982, May-June 2010.
63. Zaki, M., Sankar, L. N., and Menon, S., “Hybrid Reynolds-Averaged Navier–Stokes/Kinetic-Eddy Simulation of Stall Inception in Axial Compressors,” Journal of Propulsion and Power, Vol. 26, No. 6, Nov-Dec 2010, pp. 1276-1282.
64. Matalanis, C., Wake, B. E., Opoku, D., Min, B. Y., Yeshala, N., and Sankar, L. N., “Aerodynamic Evaluation of Miniature Trailing-Edge Effectors for Active Rotor Control,” J. Aircraft, Vol. 48, No. 3, May-June 2011, pp. 995-1004.
65. Glaz, Bryan, Liu, Li, Friedmann, P., Bain, J., and Sankar, “A Surrogate Based Approach to Reduced Order Dynamic Stall Modeling,” Journal of the American Helicopter Society, Vol. 57, No. 2, 9 pages, April 2012.
66. Feigh, K., Sankar, L. N., and Manivannan, V., "Statistical Determination of Vertical Resolution Requirements for Real-Time Wake-Vortex Prediction," Journal of Aircraft, Vol. 49, No. 3, May–June 2012, pp. 822-835.
67. Iyengar, V. and Sankar, L. N., "Comprehensive Application of a First Principles Based Methodology for Design of Axial Compressor Configurations," ASME Journal of Turbomachinery, Volume 134, No. 6, November 2012.
68. Glaz, B., Freidmann, P., Liu, L., Cajigas, J. G., Bain., J., Sankar, L. N., “Reduced-Order Dynamic Stall Modeling with Swept Flow Effects Using a Surrogate-Based Recurrence Framework,” AIAA Journal, 2013, Vol 51, pp. 910-921.
69. Collins, Kyle B.; Sankar, Lakshmi N.; Mavris, Dimitri N., “Application of Low- and High-Fidelity Simulation Tools to Helicopter Rotor Blade Optimization,” Journal of the American Helicopter Society, Volume 58, Number 4, October 2013 , pp. 1-10.
70. Marpu, R., Sankar, L. N., Makinen, S., Egolf, T. A., Baeder, J. D., Wasikowski, M., “"Physics-Based Modeling of Maneuver Loads for Rotor and Hub Design". Journal of Aircraft, March 2014.
71. Iboshi, N., Itoga, N., Prasad, J. V. R., Sankar, L. N., “Ground Effect of a Rotor Hovering above a Confined Area,” Frontiers in Aerospace Engineering (FAE), Volume 3, Issue 1, February 2014.
72. Min, B. Y., Sankar, L. N., and Bauchau, O. A., “A CFD-CSD Coupled-Analysis of HART-II Rotor Vibration Reduction using Gurney Flaps,” Aerospace Science and Technology (2016), pp. 308-321.
73. Zhou, Chong, Sankar, L. N., and jagoda, J. ,”Assessment of Wind Energy Potential for Shanghai, China,” International Journal of Renewable Energy Sources, Vol. 3, pp 78-84, December 2018.
74. Abate, G., Mavris, D., Sankar, L. N., "Performance Effects of Leading Edge Tubercles on the NREL Phase VI Wind Turbine Blade," Journal of Energy Resources Technology, January 2019. doi:10.1115/1.4042529
75. Pichitkul, A., Sankar, L. N., “Aerodynamic Design and Modeling of Large-Scale Offshore Wind Turbines,” CFD Letters, Vol. 11, No. 4, pp 1-14, 2019.
76. Kong, Y. B., Prasad, JVR, Sankar, L. N., He, C., “Finite State Inflow Model for Coaxial Rotor Configuration," Journal of the American Helicopter Society, 2020.
77. Kong, Y-B., Prasad, J.V.R., Sankar, L. and He, C., “Finite State Inflow Model for Coaxial Rotor Configuration,” Journal of the American Helicopter Society, 2020.
78. Pichitkul, A., Sankar, L. N., “Computational Aerodynamics Modeling of a 5MW NREL Wind Turbine,” Suranaree Journal of Science and Technology, 2020.
79. 1. Gahlot, A., Eschol, R. M., Sankar, L. N., and Kreeger, R. E., “Numerical Simulations of the Adverse Effects of Rain on Airfoil and Rotor Aerodynamic Characteristics,” Journal of the American Helicopter Society, 68, 022004 (2023), DOI: 10.4050/JAHS.68.022004.

Conference Presentations without Proceedings
1. Sankar, L.N., "Numerical Solution of Navier-Stokes Equations," AIAA Southeastern Regional Conference, Orlando, Florida, 1975.
2. Sankar, L.N. and Wu, J.C., 'Viscous Flow around an Oscillating Airfoil," AIAA Paper 78-1225.
3. Tassa, Y. and Sankar, L.N., "The Effect of Suction Slots on the Laminar Boundary Layer- A Numerical Study," Thirty Second Meeting of the American Physical Society, 1980.
4. Sankar, L.N. and Tassa, Y., "Reynolds Number and Compressibility Effects on the Dynamic Stall of a NACA 001 2 Airfoil," AIAA Paper 80-0010.
5. Wu, J. C. and Sankar, L. N., "Aerodynamic Force and Moment in Steady and Time-Dependent Viscous Flows," AIAA Paper 80-0011.
6. Sankar, L.N., Malone, J.B. and Tassa, Y., "A Strongly Implicit Procedure for Steady Three-Dimensional Potential Flows," AIAA Paper 81-0385.
7. Roach, R. and Sankar, L. N., “The strongly implicit procedure applied to the flow field of transonic turbine cascades,” AIAA 1982-0211.
8. Sankar, L. N., "A Multigrid Strongly Implicit Procedure for Two-Dimensional Transonic Potential Flow Problems," AIAA Paper 82- 0931.
9. Malone, J.B. and Sankar, L.N., "Numerical Simulation of 2-D Unsteady Transonic Flows Using the Full Potential Equation," AIAA Paper 83-0233.
10. Wu, J.C., Sankar, L.N. and Hsu, T.M., "Some Applications of a Generalized Aerodynamic Forces and Moments Theory," AIAA Paper 83-0543.
11. Burris, C.B., Haney, P. and Sankar, L.N., "Computational Aerodynamic Design Methodology," AIAA Paper 83-1865.
12. Malone, J.B. and Sankar, L.N., "Numerical Solutions of 2-D Unsteady Transonic Flows Using Coupled Potential Flow/Boundary Layer Methods," AIAA Paper 84-0268.
13. Malone, J. B. and Sankar, L. N., "Full Potential Solutions for Transonic Potential Flow about Airfoils with Oscillating Flaps," AIAA Paper 84-0298.
14. Lekoudis, S.G. and Sankar, L. N., "A Method for Designing Three-Dimensional Configurations with Prescribed Skin Frictions," AIAA Paper 84-0526.
15. Malone, J.B., Sankar, L.N. and Sotomayer, W.A., "Unsteady Aerodynamic Modeling of a Fighter Wing in Transonic Flows," AIAA Paper 84-1666.
16. Wu, J.C., Sankar, L.N. and Hsu, T.M., "Unsteady Aerodynamics of an Airfoil Encountering a Passing Vortex," AIAA Paper 85-0203.
17. Sankar, L. N. and Tang, W., "Numerical Solution of Unsteady Viscous Flow past Rotor Sections," AIAA Paper 85-0129.
18. Sankar, L.N., Wake, B.E. and Lekoudis, S.G., "Solution of the Unsteady Euler Equations for Fixed and Rotor Wing Configurations," AIAA Paper 85-0120.
19. Sankar, L.N. and Malone, J.B., "Unsteady Transonic Full Potential Solutions for Airfoils Encountering Vortices and Gusts," AIAA Paper 85-1710.
20. Sankar, L.N. and Malone, J.B., "Full Potential and Euler Solutions for the Unsteady Transonic Flow Past a Fighter Wing," AIAA Paper 85-4061.
21. Malone, J.B. and Sankar, L.N., "Unsteady Full Potential Calculations for Complex Wing-Body Configurations," AIAA Paper 85- 4062.
22. Wang, C.M., Wu, J.C. and Sankar, L.N., "Unsteady Aerodynamics of Airfoils Oscillating In and Out of Dynamic Stall," AIAA Paper 85-4078.
23. Wu, J. C., Hsu, T. M., Tang, W. and Sankar, L. N., 'Viscous Flow Results for the Vortex-Airfoil Interaction Problem," AIAA Paper 85-4053.
24. Malone, J. B., and Sankar, L. N., “Unsteady full potential calculations for complex wing-body configurations,” AIAA 1985-4062.
25. Malone, J.B., Vadyak, J. and Sankar, L.N., "A Technique for the Inverse Aerodynamic Design of Nacelles and Wing Configurations," AIAA Paper 85-4096.
26. Sankar, L.N. and Prichard, D., "Solution of Transonic Flow Past Rotor Blades Using the Conservative Full Potential Equation," AIAA Paper 85-5012.
27. Wake, B. E., Sankar, L.N. and Lekoudis, S.G., "Computation of Rotor Blade Flows Using the Euler Equations," AIAA Paper 85-5010.
28. Ruo, S.Y., Malone, J.B. and Sankar, L.N., "Steady and Unsteady Full Potential Flow Calculations for High and Low Aspect Ratio Supercritical Wings," AIAA Paper 86-0122.
29. Sankar, L. N., Ruo, S. Y., and Malone, J. B., “Application of surface transpiration in computational aerodynamics,” AIAA Paper 1986-0511.
30. Ruo, S.Y. and Sankar, L. N., "Solution of Unsteady Rotational Flow over Supercritical Wings," AIAA Paper 87-0108.
31. Huff, D., Wu, J. C., Sankar, L. N., ”Analysis of viscous transonic flow over airfoil sections,” AIAA 1987-0420.
32. Ekaterinaris, J. A., Giddens, D. P. and Sankar, L. N., "Compressible Flow Solutions in Constricted Duct Geometries," AIAA Paper 87-2167.
33. Wu, J. C., “A technique for the prediction of airfoil flutter characteristics in separated flow,” AIAA Paper 1987-0910.
34. Tang, W., Sankar, L. N. and Strahle, W. C., "Numerical Simulation of Vorticity-Acoustics Interactions Within Dump Combustors," AIAA Paper 88-0597.
35. Sankar, L. N. and Komerath, N., "Measurement and Computation of the Flow around the Tip of a Lifting Rotor Blade in Hover," AIAA Paper 88-0047.
36. Ruo, S. Y., Kries, R. I., Stevens, W. A., and Sankar, L. N., “Euler solution of flow over wing with a full-span control surface at subsonic speed,” AIAA Paper 1988-0398.
37. Wu, Jiunn-Chi, Huff, D. and Sankar, L. N., "A Comparison of Three Turbulence Models for the Prediction of Steady and Unsteady Airloads," AIAA Paper 89-0609.
38. Tang, W., Komerath, N. and Sankar, L. N., "Numerical Simulation of the Growth of Instabilities in Supersonic Free Shear Layers," AIAA Paper 89-0376, 1989.
39. Tang, W., Sankar, L. N. and Komerath, N., "Mixing Enhancement in Supersonic Free Shear Layers," AIAA 89-0981, 1989.
40. Hassan, A. and Sankar, L. N., "Separation Control Using Moving Surface Effects-A Numerical Simulation," AIAA Paper 89- 0972, 1989.
41. Kwon, 0. J., and Sankar, L. N., "Numerical Simulation of the Effects of Icing on Finite Wing Aerodynamics," AIAA Paper 1990-0757.
42. Srivastava, R., Sankar, L., Reddy, T.S.R. and Huff, D., "An Efficient Hybrid Scheme for the Solution of Rotational Flow Around an Advanced Propeller," AIAA Paper 90-0028, January 1990.
43. Hassan, A., Tung, C., and Sankar, L., ” Euler solutions for self-generated rotor blade-vortex interactions,” AIAA Paper 1990-1588.
44. Tuncer, I. And Sankar, L. N., “Numerical simulation of 3-D supersonic free shear layers,” AIAA 1990-3958.
45. Shrewsbury, G. and Sankar, L. N., “Dynamic stall of circulation control airfoils ,” AIAA Paper 1990-0573.
46. Smith, M. J. and Sankar, L. N., -"Evaluation of a Fourth Order Compact Operator Scheme for Euler-Navier-Stokes Simulations of a Rotor in Hover," AIAA Paper 91-0766, January 1991.
47. Kwon, 0. J., and Sankar, L. N., 'Viscous Flow Simulation of a Fighter Aircraft," AIAA Paper 91-0278, January 1991.
48. Srivastava, R. and Sankar, L. N., "An Efficient Hybrid Scheme for Analysis of Counter-Rotating Propfans," AIAA Paper 91-0703, January 1991.
49. Kwon, 0. J. and Sankar,, L. N., "Numerical Study of the Effects of Icing on the Hover Performance of Rotorcraft," AIAA Paper 91-0662, January 1991.
50. Sankar, L. N., Tsung, Fu Lin, Bharadvaj, N., “A three-dimensional Navier-Stokes/full-potential coupled analysis for viscous transonic flow,” AIAA Paper 1991-1595.
51. Tsung, Fu Lin and Sankar, L. N., "Numerical Simulation of Flow Separation for Rotors and Fixed Wings," AIAA Paper 92-0635.
52. Kwon, 0. J. and Sankar, L. N., "Numerical Investigation of Performance Degradation of Wings and Rotors due to icing," AIAA Paper 92-0412.
53. Tuncer, I. H., and Sankar, L. N., “Unsteady aerodynamic characteristics of a dual-element airfoil,” AIAA Paper 1992-2508.
54. Hixon, R. and Sankar, L. N., "Application of a Generalized Minimum Residual Method to 2-D Unsteady Flows," AIAA Paper 92-0422.
55. Silva, D. H. and Sankar, L. N., "An Inverse Method for the Design of Transonic Wings," AIAA Paper 92-1025.
56. Sankar, L. N., Phaengsook, N. and Bangalore, A., "Effects of icing on the Aerodynamic Performance of High Lift Airfoils, AIAA Paper 93-0026.
57. Sankar, L. N., Reddy, N. N. and Hariharan, N., "A Third Order Upwind Scheme for Aeroacoustic Applications," AIAA paper 93-0149.
58. Tseng, Wei, Tsung, Fu-Lin and Sankar, L. N., "Numerical Simulation of Dynamic Lift Enhancement using Oscillatory Leading Edge Flaps," AIAA paper 93-0177.
59. Hixon, R., Tsung, Fu-Lin and Sankar, L. N., "A Comparison of Two methods for Solving 3-D Unsteady Compressible Viscous Flows," AIAA paper 93-0537.
60. Lim, Teck-Bin and Sankar, L. N., 'Viscous Flow Computations of Flow Field around an Advanced Propeller," AIAA Paper 93-0873.
61. Lim, Teck-Bin and Sankar, L., “A technique for the prediction of propeller induced acoustic loads on aircraft surfaces,” AIAA Paper 1993-4340.
62. Sankar, L. N., Patterson, M. and Reddy, N., "Numerical Simulation of Supersonic Jet Noise Phenomena," AIAA Paper 93-1920.
63. Park. W. G., and Sankar, L. N., “A technique for the prediction of unsteady incompressible viscous flows,” AIAA Paper 1993-3006.
64. Park. W. G., and Sankar, L. N., “Numerical Simulation of Incompressible Viscous Flow around a Propeller,” AIAA Paper 1993-3503.
65. Bangalore, A., Tseng, W. and Sankar, L. N., "A Multizone Navier-Stokes Analysis of Dynamic Lift Enhancement Concepts," AIAA Paper 94-0164.
66. Hixon, D. and Sankar, L. N., "Unsteady Compressible 2-D Flow Calculations on a MIMD Parallel Supercomputer," AIAA Paper 94-0757.
67. Berezin, C. R. and Sankar, L. N., "An Improved Navier-Stokes/Full Potential Coupled Analysis for Rotors," AIAA Paper 94-0736.
68. Mello, 0. A F. and Sankar, L. N., "A Hybrid Navier-Stokes/Full Potential Method for the Prediction of Iced Wing Aerodynamics," AIAA Paper 94-0489.
69. Bangalore, A., Phaengsook, N. and Sankar, L. N., "Application of a Third Order Upwind Scheme to Viscous Flow over Clean and Iced Wings," AIAA Paper 94-0485.
70. Viswanathan, K, Sankar, L. N. and Reddy, N. N., "A Fluid/Acoustic Coupled Simulation of Supersonic Jet Noise," AIAA Paper 94-0137.
71. Viswanathan, K. and Sankar, L. N., "Numerical Simulation of the Turbulence Structure of High Speed Jets," AIAA paper 94-2192.
72. Weed, R. and Sankar, L. N., "Computational Strategies for Three-Dimensional Flow Simulations on Distributed Computer Systems," AIAA Paper 94-2261.
73. Santos, L. and Sankar, L. N., "A Hybrid Inverse Optimization method for the Aerodynamic Design of Lifting Surfaces," AIAA Paper 94-1895.
74. Hariharan, N., Sankar, L. N., "Numerical Simulation of Rotor-Airframe Interaction," AIAA Paper 95-0194, 33rd AIAA Aerospace Sciences Meeting, Reno, NV, January 1995.
75. Bangalore, A., Latham, R.L. and Sankar, L.N. "Numerical Simulation of Viscous Flow over Rotors using a Distributed Computing Strategy", AIAA Paper 95-0575, 33rd AIAA Aerospace sciences meeting, Reno, NV, January 1995.
76. Mello, 0. A. F. and Sankar, L. N., "An Improved Hybrid Navier-Stokes/Full Potential Method for Computation of Unsteady Compressible Flows," AIAA paper 95-2160, 26th AIAA Fluid Dynamics Conference, June 19-22, 1995.
77. Sankar, L. and Viswanathan, K., “An unstructured grid based algorithm for computational aeroacoustics applications,” AIAA Paper 1996-1753.
78. Nance, D., Viswanathan, K., and Sankar, L. N., “A low dispersion finite volume scheme for aeroacoustic applications,” AIAA 1996-0278.
79. Hariharan, N., Sankar, L. N., Russell, J. and Chen, P., "Numerical Simulation of the Fuselage-Rotor Interaction Phenomenon," AJAA Paper 96-0672.
80. Weed, R. and Sankar, L. N., “Computational procedures for unsteady flow simulations on distributed parallel computers using PVM,” AIAA 1996-0827.
81. Bangalore, A. and Sankar, L. N., Forward Flight Analysis of Slatted Rotors using Navier-Stokes methods," AIAA Paper 96-0675.
82. Tomaro, R. F., Strang, W. Z. and Sankar, L. N., "An Implicit Algorithm for Solving Time Dependent Flows on Unstructured Grids," AIAA Paper 97-0333.
83. Tran, P., Brahimi, M., Sankar, L. N. and Paraschivoiu, I., 'Ice Accretion Prediction on Single and Multi-Element Airfoils and the Resulting performance Degradation," AIAA paper 97-0178.
84. Berkman, M., Sankar, L. N., Berezin, C. and Torok, M., "A Navier-Stokes/Full Potential/Free Wake Method for Rotor Flows," AIAA paper 97-0401.
85. Vermeersch, S., Weed, R., Sankar, L. N. and Rai, P., "Towards Cost-Effective Aeroelastic Analysis on Advanced parallel Computing Systems,' AIAA paper 97-0646.
86. Russell, J., Sankar, L. N., and Tung, C., “High accuracy studies of the tip vortex structure from a hovering rotor,” AIAA Paper 1998-1845.
87. Rivera, C. J., Sankar, L. N. and Prasad, J. V. R., "Numerical Simulation of Dynamic Stall Phenomena in Axial Flow Compressor Blade Rows," Joint Propulsion Conference, 1997.
88. Niazi, S., Stein, A. and Sankar, L., "Development and Application of a CFD Solver to the Simulation of centrifugal Compressors," AIAA paper 98-0934.
89. Hariharan, N., Wang, Z. J. and Sankar, L. N., "CFD-FOIL: A Computational Environment for Study of Shape-Changing Airfoils in Unsteady Flow,": AIAA Paper 98-0108.
90. Nance, D. and Sankar, L. N., "Low Dispersion Finite Volume Schemes in the Resolution of Vortex Shedding Noise," AIAA Paper 98-0366.
91. Stein, A., Niazi, S. and Sankar, L. N., "Computational Analysis of Surge and Separation Control in Centrifugal Compressors," AIAA Paper 98-3296.
92. Wang, G., Sankar, L. N., and Tadghighi, H., "Prediction of Rotorcraft Noise with a Low Dispersion Finite Volume Scheme," AIAA paper 99-0480.
93. Xu, G. and Sankar, L. N., "Computational Study of Horizontal Axis Wind Turbines," AIAA Paper 99-0042.
94. Liu, Z., Sankar, L. N., and Hassan, A. A., "Alterations of the Tip Vortex Structure for a Hovering rotor," AIAA Paper 99-0906.
95. Sankar, Prasad, Neumeier, Haddad, Markopoulos, Stein, Niazi, and Leonessa, "Recent Progress in Compressor Stall and Surge Control," Invited AIAA Paper 99-3124 presented at the 17th Applied Aerodynamics Conference, Norfolk, Virginia, 1999.
96. Xu, G. and Sankar, L. N.”Effects of transition, turbulence and yaw on the performance of horizontal axis wind turbines,” AIAA Paper 2000-0048.
97. Usta, E., Wang, G. and Sankar L. N., "Application of A Symmetric Total Variation Diminishing Scheme to Shock Noise of Rotors," AIAA 2000-0348, 38th AIAA Aerospace Sciences Meeting, Reno, NV 2000.
98. Sahin, M.., Sankar L. N., Chandrasekhara, M. S., Tung, C. "Stall alleviation Using a Deformable Leading Edge Concept," AIAA 2000-0520, 38th AIAA Aerospace Sciences Meeting, Reno, NV 2000.
99. Yang, Z., Sankar L. N., Smith, M., Bauchau, O., "Recent Improvements to a Hybrid Method for Rotors in Forward Flight," AIAA 2000-0260, 38th AIAA Aerospace Sciences Meeting, Reno, NV 2000.
100. Liu, Z., Sankar L. N., Hassan A. A.,"Alteration of the Tip Vortex Structure of a Hovering Rotor Using Oscillatory Jet Excitation," AIAA 2000-0259, 38th AIAA Aerospace Sciences Meeting, Reno, NV 2000.
101. Hariharan, N. and Sankar, L., "A Review of Computational techniques for Rotor Wake Modeling," AIAA paper 2000-0014, 38th AIAA Aerospace Sciences Meeting, Reno, NV.
102. Niazi, S., Stein, A., and Sankar, L. N., "Numerical Studies of Stall and Surge Alleviation in a High-Speed Transonic Fan Rotor," AIAA 2000-0225,38th AIAA Aerospace Sciences Meeting, Reno, NV .
103. Stein, A., Niazi, S., and Sankar, L. N., "Numerical Simulation of Stall and Surge in a High Speed Centrifugal Compressor," AIAA 2000-0226, 38th AIAA Aerospace Sciences Meeting, Reno, NV.
104. Niazi, S., Stein, A., and Sankar, L. N., "Computational Analysis of Stall Control Using Bleed Valve in a High-Speed Compressor," AIAA Paper 2000-3507, AIAA Joint Propulsion Conference, Huntsville, AL.
105. Niazi, S., Stein, A., and Sankar, L. N.," Computational analysis of centrifugal compressor surge control using air injection," AIAA Paper 2000-3501, AIAA Joint Propulsion Conference, Huntsville, AL.
106. Stein, A., Niazi, S., Prasad, J. V. R., and Sankar, L. N., "Numerical Simulations of Compressor Flow Control," AIAA paper 2000-4332.
107. Liu, Y., Sankar, L. N., Englar, R., and Ahuja, K., "Numerical Simulations of the Steady and Unsteady Aerodynamic Characteristics of a Circulation Control Wing," AIAA 2001-0704, 39th AIAA Aerospace Sciences Meeting, Reno, NV.
108. Xu, G. and Sankar, L. N., " Application of a viscous flow methodology to the NREL Phase VI rotor," AIAA Paper 2002-0030
109. Hariharan, N. and Sankar, L. N.,”A high order overset refinement methodology for vortex-dominated flow Field studies,” AIAA 2002-0965.
110. Phanse, S., sankar, L. N., Hariharan, N., Tadghighi, H.,” Evaluation of a Seventh Order Upwind Scheme for Rotors in Hover,” AIAA Paper 2003-0049.
111. Ruffin, S., O’Brien, D., Smith, M., and Sankar, L. N., “Comparison of Rotor-Airframe Interaction Predictions Utilizing Overset and Unstructured Grid Techniques,” AIAA 2004-0046, January 2004.
112. Liu, Y., Sankar, L., Englar, R., Auja, K., and Gaeta, R., “Computational Evaluation of the Steady and Pulsed Jet Effects on the Performance of a Circulation Control Wing Section,” AIAA 2004-0056, January 2004.
113. Wu, Jingshu, Sankar, L. N., and Kondor, S., “Numerical Modeling of Coanda Jet Controlled Nacelle Configurations,” AIAA Paper 2004-0228, January 2004.
114. Benjanirat, S., and Sankar, L.,Recent Improvements to a Combined Navier-Stokes-Full Potential Methodology for Modeling Horizontal Axis Wind Turbines,” AIAA/ASME Wind Enery Symposium, AIAA 2004-0830, January 2004.
115. Tongchitpakdee, C., Benjanirat, S., and Sankar, L. N., “Numerical Simulation of the Aerodynamics of Horizontal Axis Wind Turbines under Yawed Flow Conditions,” AIAA Paper 2005-0773.
116. Iyengar, V., and Sankar, L. N., ” Assessment of the Self-Recirculating Casing Treatment Concept Applied to Axial Compressors,” AIAA 2005-0832.
117. Tongchitpakdee, C., Benjanirat, S., and Sankar, L. N., “Numerical Studies of the Effects of Active and Passive Circulation Enhancement Concepts on Wind Turbine Performance,” AIAA Paper 2006-0198.
118. Yeshala, N., Egolf, T. A., and Sankar, L. N., ” Application of Higher Order Spatially Accurate Schemes to Rotors in Hover,” AIAA Paper 2006-2818.
119. Zaki, M., Iyengar, V., and Sankar, L. N., ” Assessment of Rotor-Stator Interface Boundary Condition Techniques for Modeling Axial Flow Turbines,” AIAA 2006-4619.
120. Liu, Y. and Sankar, L. N.,” Computational Evaluation of Controlling Flap-Edge Vortex and Tip Vortex Using Circulation Control Techniques,” AIAA Paper 2007-0473.
121. Bain, J., Mishra, S., Menon, S., and Sankar, L. N., “Assessment of a Kinetic Eddy Simulation Turbulence Model for 3D Unsteady Transonic Flows,” AIAA 2008-7176.
122. Zaki, M., Menon, S., and Sankar, L. N., “A Hybrid RANS-KES Model for External and Internal Flow Applications,” AIAA 2008-5216.
123. Min, B. Y., Sankar, L., and Rajmohan, N.,” Computational Investigation of the Effects of Gurney Flap on the Forward Flight Characteristics of Helicopter Rotors,” AIAA 2008-6726.
124. Bain, J., Sankar, L. N., Prasad, J. V. R., Bauchau, O., Peters, D. A., and He, C., ” Computational Modeling of Variable Droop Leading Edge in Forward Flight ,” AIAA 2008-3872.
125. Yeshala, N. and Sankar, L. N., “Drag Reduction Studies using Active Flow Control,” AIAA Paper 2008-3870.
126. Min, B. Y., Lee, W., Englar, R., and Sankar, L. N., ”Numerical Investigation of Circulation Control Airfoils,” AIAA Paper 2008-0329.
127. Hariharan, N., Egolf, T. A., and Sankar, L. N., “Effects of Grid Interfaces/Quality on Wide-Stencil High Order Accurate Simulations of Vortex-Wake,” AIAA paper 2009-0048.
128. Bain, J., Samuel, R., Sankar, L. N., and Prasad, JVR, “Neural Network Models for the On-Board and Individual Blade Control of Helicopter Rotors ,” AIAA Paper 2009-3521, 27th AIAA Applied Aerodynamics Conference, San Antonio, Texas, June 22-25, 2009.
129. Min, B. Y. and sankar, L. N., “Enhancements to a Hybrid Navier Stokes/Free Wake Method for Improved Prediction of Blade-Vortex-Interaction Phenomena,” AIAA Paper 2009-3860, 27th AIAA Applied Aerodynamics Conference, San Antonio, Texas, June 22-25, 2009.
130. Nucci, M., Bain, J., Sankar, L. N., Kreeger, R., Egolf, R., and Flemming, R., “Physics- Based Models of Ice Accretion Process and Its Effects on Rotor Performance,” AIAA-2010-1277, Orlando, FL, January 2010.
131. Yeshala, N., and Sankar, L. N., “Coupled Lattice Boltzmann and Navier- Stokes Solutions for Drag Reduction Studies Over a Bluff Body Using Active Flow Control,” AIAA Paper 2010-0715, Orlando, FL, January 2010.
132. Clark, B., Sankar, L. N., and Bain, J., “Modeling Dynamic Stall of SC- 1095 Airfoil at High Mach Number,” AIAA 2010-0877, Orlando, FL, January 2010.
133. Glaz, Bryan, Liu, Li, Friedmann, P., Bain, J., and Sankar, “A Surrogate Based Approach to Reduced Order Dynamic Stall Modeling,” AIAA 2010-3042, 6th AIAA Multidisciplinary Design Optimization Specialist Conference, Orlando, Florida, Apr. 12-15, 2010.
134. Bain, J., Sankar, N., Cajigas, J., Flemming, R. J., and Aubert, R. “Prediction of Rotor Blade Ice Shedding Using Empirical Methods,” AIAA-2010-7985, AIAA Guidance, Navigation, and Control Conference, Toronto, Ontario, Aug. 2-5, 2010.
Conference Presentations with Proceedings (Non-Refereed)
1. Wu, J.C., Spring, A.H. and Sankar, L.N., "A Flow Field Segmentation Method for the Numerical Solution of Viscous Flow Problems," Fourth International Conference on Numerical Methods in Fluid Dynamics, Springer Verlag, 1975.
2. Wu, J.C. and Sankar, L.N., "Explicit Finite Element Solution of the Viscous Flow Problem," International Conference on Finite Element Methods in Engineering, Adelaide, Australia, 1976.
3. Wu, J.C., Sampath, S. and Sankar, L.N., "A Numerical Study of Unsteady Viscous Flow Around an Airfoil," AGARD Fluid Dynamics Panel Symposium on Unsteady Aerodynamics, Ottawa, Canada, 1977.
4. Sankar, L. N. and Tassa, Y., "An Algorithm for Unsteady Transonic Flow past Airfoils," Seventh International Conference on Numerical Methods in Fluid Dynamics, Springer Verlag, 1980.
5. Sankar, L.N., Malone, J.B. and Tassa, Y., "An Implicit Conservative Algorithm for Steady and Unsteady Three-Dimensional Transonic Potential Flows," AIAA Fifth Computational Fluid Dynamics Conference, Palo Alto, California, 1981.
6. Wu, J.C., Sankar, L.N., Chen, H.H. and Hsu, T.M., "Studies of Two Nonlinear Unsteady Flow Problems," AFOSR Workshop on Unsteady Separated Flow, United States Air Force Academy, Colorado, 1983.
7. Lekoudis, S.G. and Sankar, L.N., "The Application of Inverse Boundary Layer Methods to the Three-Dimensional Viscous Design Problem," International Conference on Inverse Design Concepts in Engineering Sciences, Austin, Texas, 1984.
8. Wake, B.E., Sankar, L.N., Lekoudis, S.G. and Gray, R.B., "The Prediction of Flow Around Rotor Tips," International Conference on Rotorcraft Basic Research, Research Triangle Park, North Carolina, February 1985.
9. Sankar, L.N. and Tung, C., "Euler Calculations for Rotor Configurations in Unsteady Forward Flight," Proceedings of the 42nd Annual Forum of the American Helicopter Society, Washington, DC, June 1986.
10. Wake, B. E. and Sankar, L. N., "Solutions of the Navier-Stokes Equations for the Flow about a Rotor Blade," Proceedings of the American Helicopter Society National Specialists Meeting on Aerodynamics and Aeroacoustics, February 1987.
11. Sankar, L.N., Wu, J.C., Wake, B.E. and Ruo, S.Y., "An Efficient Procedure for the Numerical Solution of Three- Dimensional Viscous Flows," AIAA Paper 87-1159-CP,
Proceedings of the AIAA 8th Computational Fluid Dynamics Conference, June 1987.
12. Wu, Jiunn-chi, Kaza, K. R. V., and Sankar, L.N., "A Technique for the Prediction of Airfoil Flutter Characteristics in Separated Flow," AIAA 87-0910-CP, Proceedings of the AIAA Dynamics Specialists Meeting, Monterey, California, April 1987.
13. Tang, W. and Sankar, L.N., "Strong Blade-Vortex Interactions Including Collision," Proceedings of the Forum on Unsteady Flows, ASME Spring Meeting, Cincinnati, June 1987.
14. Ekaterinaris, J.A., Sankar, L. N. and Giddens, D.P., "Low Mach Number Compressible Flow Solutions in Constricted Ducts," Proceedings of the AIAA 8th Computational Fluid Dynamics Conference, June 1987.
15. Wake, B, E., Sankar, L. N., Wu, Jiunn-Chi and Ruo, S. Y., "An Efficient Procedure for the Numerical Solution of Three- Dimensional Viscous Flows," AIAA Paper 87-1159, Proceedings of the AIAA 8th Computational Fluid Dynamics Conference, June 1987.
16. Ram, D. S., Charles, B. and Sankar, L. N., "Emerging Role of First Principle Based Computational Aerodynamics for Rotorcraft Applications," Proceedings of the Second International Conference on Rotorcraft Basic- Research, University of Maryland, Maryland, February 1988.
17. Prichard, D. and Sankar, L. N., "Improvements to Transonic Flow Field Calculations," Proceedings of the 44th ANS Annual Forum, Washington, D. C., June 1988.
18. Narramore, J., Sankar, L. N. and Vermeland, R., "An Evaluation of a Navier-Stokes Code for Calculations of Retreating Blade Stall on a Helicopter Rotor," Proceedings of the 44th Annual Forum of the American Helicopter Society, Washington, D. C., June 1988.
19. Tang, W. Sankar, L. N. and Komerath, N. K, "Navier-Stokes Simulation of Supersonic Free Shear Layer Flows," Proceedings of the Workshop on the Physics of Compressible Turbulent Mixing, Princeton University, Princeton, New Jersey, October 24-27,1988.
20. Hodges, D., Kwon, 0. J., and Sankar, L. N., "Stability of Hingeless Rotors in Hover Using Three-Dimensional Unsteady Aerodynamics," Proceedings of the 45th Annual Forum of the American Helicopter Society, Boston, Massachusetts, May 1989.
21. Malone, J., Narramore, J. and Sankar, L. N., "An Efficient Airfoil Design Method Using the Navier-Stokes Equations," Proceedings of the AGARD Specialists Meeting on Computational Methods for Aerodynamic Design (inverse) and Optimization, Loen, Norway, May 22-23, 1989.
22. Kwon, 0. J., Hodges, D., Peters, D. and Sankar, L. N., "Application of a Panel Method to Aeroelastic Stability of Rotors in Hover," Proceedings of the International Symposium on Boundary Element Methods, East Hartford, Connecticut, October 2-4, 1989.
23. Shrewsbury, G. and Sankar, L. "Dynamic Stall of an Oscillating Circulation Control Airfoil," Proceedings of the ASME Summer Meeting, June 1990.
24. Shrewsbury, G. and Sankar, L. N., "A Study of the Dynamic Stall Characteristics of Circulation Control Airfoils," 15th Southeastern Conference on Theoretical and Applied Mechanics (SECTAM XV), March 1990.
25. Malone, J. B., Sankar, L. N., "An Airfoil Design Method for Viscous Flows," 15th Southeastern Conference on Theoretical and Applied Mechanics (SECTAM XV), March 1990.
26. Tsung, Fu Lin, Liou, S. G., Komerath, N. M. and Sankar, L. N., "Computation and Measurement of the Flowfield Near a Swept Rotor Blade Tip in Hover," Proceedings of the 46th Annual Forum of the American Helicopter Society, v Washington, D. C., May 21 23,1990.
27. Hassan, A. A. Tung, C. and Sankar, L. N., "An Assessment of Full Potential and Euler Solutions for Se1f-Generated Blade-Vortex Interactions," Proceedings of the 46th Annual Forum of the American Helicopter Society, Washington, D. C., May 21-23, 1990.
28. Narramore, J. C. and Sankar, L. N., "Numerical Simulation of Multi-Zone Two Dimensional Transonic Flows Using the Full Navier-Stokes Equations," Proceedings of the Third International Technical Specialists Meeting on Rotorcraft Basic Research, Atlanta, GA, March 25-27, 1991.
29. Hassan, A., Sankar, L. N. and Tadghighi, H., "Effects of Leading and Trailing Edge Flaps on the Aerodynamics of Airfoil-Vortex Interactions," Proceedings of the Third International Technical Specialists Meeting on Rotorcraft Basic Research, Atlanta, GA, March 25-27, 1991.
30. Potapczuk, M. G., Bragg, M. B., Kwon, O. J., and Sankar, L. N., "Simulation of Iced Wing Aerodynamics," Proceedings of the AGARD Conference on Effects of Adverse Weather on Aerodynamics, AGARD CP-496, April 29 - May 1, 1991.
31. Tuncer, I. and Sankar, L. N., "Unsteady Aerodynamic Characteristics of Dual-Element Airfoil Configuration," AIAA Paper 92-2508, Proceedings of the AIAA 33rd Structures, Structural Dynamics and Materials Conference, Dallas, TX, April 13-15, 1992.
32. Bharadvaj, B. and Sankar, L. N., "Navier-Stokes Analysis of Airfoils with Spoilers," AIAA Paper 92-2507, Proceedings of the AIAA 33rd Structures, Structural Dynamics and Materials Conference, Dallas, TX, April 13-15, 1992.
33. Sankar, L. N., Reddy, N. N., and Hariharan, N., "A Comparative Study of Numerical Schemes for Aeroacoustic Applications, "Proceedings of the ASME Forum on Computational Aero- and Hydro-Acoustics, Washington, D. C., June 1993.
34. Latham, R. L., Gramoll, K. and Sankar, L. N., "Interactive Aerodynamics Analysis and Design Programs for Use in the Undergraduate Curriculum," Proceedings of the 1993 ASEE Annual Conference, Urbana, Champaign, IL, June 1993.
35. Mello, O. A. F., Prasad, J. V. R., Sankar and Tseng, W., "Analysis of Helicopter/Ship Aerodynamics Interactions," Proceedings of the AHS Workshop on Aeromechanics, San Francisco, January 1994.
36. Park, W. G. and Sankar, L. N., "Dynamic Stall Simulation of a NACA 0012 Airfoil using the Primitive Variable Formulation," Proceedings of the Symposium on Advances in Computational Fluid Dynamics, ASME Fluids Engineering Meeting, June 19-23, 1994.
37. Zhang, H., Mello, 0. A. F., Prasad, J. V. R., Sankar, L. N. and Funk, J. D., 'A Simulation Model of Ship Ground Effect for Rotorcraft/Ship Interaction Study," Proceedings of the 51st Annual forum of the American helicopter Society, May 9-1 1, 1995.
38. Tapia, F., Sankar, L. N. and Schrage, D. P., 'An Inverse Aerodynamic Design method for Rotor Blades in Forward Flight, 0 Proceedings of the 51st Annual forum of the American Helicopter Society, May 9-11, 1995.
39. Berezin, C. and Sankar, L. N., 'Further Enhancements to a 3-D Unsteady Navier-Stokes/Full Potential Rotor Solver,' AGARD Symposium on Aerodynamics and Aeroacoustics of Rotorcraft, October 10-13, 1994.
40. Bangalore, A. and Sankar, L. N., "Numerical Analysis of Aerodynamic Performance of Rotors with leading Edge Slats," AIAA paper 95-1888, Proceedings of the AIAA 13th Applied Aerodynamics Conference, June 19-22, 1995.
41. Hariharan, N. and Sankar, L. N., "Application of ENO Schemes to Rotor Wing Problems,' AIAA paper 95-1892, Proceedings of the AIAA 13th Applied Aerodynamics Conference, June 19-22, 1995.
42. Weed, R. and Sankar, L. N., 'Computational Strategies for Three-Dimensional Unsteady Flow Simulations on Distributed Computing Systems,' Proceedings of the NASA Computational Aerosciences Workshop, March 7-9,1995.
43. Srinivasan, G. R. and Sankar, L. N., 'Status of Euler and Navier-Stokes CFD Methods for Helicopter Applications, Proceedings of the 2nd International Aeromechanics Specialists Conference, Bridgeport, CT, October 11-13, 1995.
44. Berkman, M., Sankar L. N. Berezin, C. R. and Torok, M. S., "A Navier-Stokes/Full Potential/Free Wake Method for Advancing Multi-bladed rotors," Proceedings of the AHS Forum, April 29-May 1, 1997, pp. 305-314.
45. Tapia, F., Schrage, D. and Sankar, L. N., "Inclusion of Viscous Effects to an Aerodynamic Design Method for Rotor Blades," Proceedings of the Proceedings of the AHS Forum, April 29-May 1, 1997, pp. 406-421.
46. Russell, J., Sankar, L. N., Tung, C. and Patterson, M., "Alterations of the Tip Vortex Structure from a Hovering Rotor using Passive Tip Devices," Proceedings of the AHS Forum, April 29-May 1, 1997, pp. 755-774.
47. Usta, E., Wake, B. E., Egolf, T., and Sankar, L. N., “Application of a Symmetric Total variation Diminishing Scheme to Aerodynamics and Aeroacoustics of Rotors,” Proceedings of the American Helicopter Society Annual Forum, May 2001.
48. Usta, E. and Sankar, L. N., “Application of High order Schemes to Aerodynamics of Hovering Rotors,” Proceedings of the American Helicopter Society Specialists Meeting on Aerodynamics and Aeroacoustics, San Franciscio, January 2002.
49. Hariharan, N., Ekaterinaris, J., and sankar, L., “An Evaluation of High Order Spatial Accuracy Algorithms for Modeling Fixed and Rotary Wing Tip regions,” Proceedings of the American Helicopter Society Specialists Meeting on Aerodynamics and Aeroacoustics, San Franciscio, January 2002.
50. Xu, G. and Sankar, L. N., “Application of a Viscous Flow methodology to NREL Phase VI Wind Turbine,” Proceedings of the 21st ASME Wind Energy Symposium, Reno, NV, January 2002.
51. Benjanirat, S., Sankar, L. N., “Evaluation of a two-equation turbulence model for the Prediction of Wind Turbine Aerodynamics,” Proceedings of the 22nd ASME Wind Energy Symposium, January 2003.
52. Sankar, L. N. and Hariharan, N., “Application of Spatially Adaptive High Order Methods to Unsteady Flow over Rotary Wing Configurations,” Invited Paper, Rotor Korea, 2007, October 15-17, 2007.
53. Hariharan, N. and Sankar, L. N., “Uniformly High-Order Essentially Non-oscillatory Schemes for Vortex Convection Across Overset Interfaces,” Journal of Aircraft, Vol 43, No. 2, March-April 2008.
54. Makinen, S. M., Smith, Edward., Egolf, T. A., Rajmohan, N., and Sankar, L. N., “High Fidelity Airloads and Blade Loads Prediction for a Thrust Varying Range of Flight Conditions,” Proceedings of the AHS Aeromechanics Specialists Conference, January 23-25, 2008, San Francisco, CA.
55. Collins, K., Bain, J., Lopes, L, Brentner, K., Egolf, A., Ram, J., and Sankar, L. N., “A Pareto Frontier Method for Multi-Disciplinary Optimization of Helicopter Rotors,” Proceedings of the AHS Aeromechanics Specialists Conference, January 23-25, 2008, San Francisco, CA.
56. Nischint Rajmohan, Lakshmi Sankar, Olivier Bauchau, Bruce Charles, Stephen M. Makinen and T. Alan Egolf, "Application of Hybrid Methodology to Rotors in Steady and Maneuvering Flight,” AHS 64th Annual Forum, 2008. (A preliminary version of this paper was presented at the AHS Specialists Meeting on January 23-25, 2008).
57. Kyle Collins, Jeremy Bain, Nischint Rajmohan and Lakshmi Sankar, T. Alan Egolf, Ram D. Janakiram, Ken Brentner and Leonard Lopes, "Toward a High-Fidelity Helicopter Rotor Redesign Framework," AHS 64th Annual Forum, 2008.
58. Makinen, S. M., Smith, E., Egolf, T. A., Rajmohan, N., and Sankar, L. N., “Vibratory Load Correlation for the UH-60A Rotor with Coupled Computational Fluid/Structural Dynamics," AHS 64th Annual Forum, 2008.
59. Min, B. Y., Sankar, L. N., Prasad, J. V. R., and Schrage, D. “A Physics-Based Investigation of Gurney Flaps for Rotor Noise and Vibration Reduction,” AHS 65th Annual forum, May 2009.
60. Collins, K., and Sankar, L. N., “Application of Low and High Fidelity Simulation Tools to Helicopter Rotor Blade Optimization,” AHS 65th Annual forum, May 2009.
61. Rajmohan, N., Manivannan, V., Sankar, L. N., Costello, M., and Bauchau, O., “Development of a Methodology for Coupling Rotorcraft Aeromechanics and Vehicle Dynamics to Study Helicopters in Maneuvering Flight,” AHS 65th Annual Forum, May 2009.
62. He, C., Zhao, J., Bain, J., Sankar, L. N., and Prasad, J.V.R., “Development of a Reduced Order Modeling Framework for Flight Mechanics Oriented Modeling of On-Blade Control Concepts ,” Proceedings of the European rotorcraft Forum, Hamburg, Germany, September 2009.
63. Prasad, J. V. R., Olcer, F. E., Sankar, L. N., and He, C., “Linear Time Invariant (LTI) Models for Integrated Flight and Rotor Control,” Proceedings of the European rotorcraft Forum, Hamburg, Germany, September 2009.
64. Bain, J., Sankar, L. N., Egolf, T. A., Flemming, R., and Kreeger, R. E., “Progress towards Modeling the Effects of Ice Accretion on Rotorcraft Performance in Hover and Forward Flight,” Proceedings of the European rotorcraft Forum, Hamburg, Germany, September 2009.
65. Sheng, C., Zhao, Q., Rajmohan, N., Sankar, L. N., Bridgeman, J., and Narramore, J., “An Unstructured Hybrid Approach for Modeling Rotor Wake Flows,” Proceedings of the 3rd International Basic Research Conference on Rotorcraft Technology, Nanjing, China, October 2009.
66. Rajmohan, N., Bain, J., Nucci, M., Sankar, L. N., Flemming, R., Egolf, T. A., and Kreeger, R. E., “Icing Studies for the UH-60A Rotor in High Speed Forward Flight,” Proceedings of the 2010 AHS Aeromechanics Specialists Conference, San Francisco, CA, January 2010.
67. Egolf, T. A., Rajmohan, N., Reed, E., and Sankar, L. N., “Hybrid CFD Method for Coaxial rotor Performance in Forward Flight,” Proceedings of the 2010 AHS Aeromechanics Specialists Conference, San Francisco, CA, January 2010.
68. Matalanis, C. G., Wake, B. E., Opoku, D., Min, B. Y., Yeshala, N., Sankar, L. N., “Aerodynamic Evaluation of Miniature Trailing-Edge Effectors for Active Rotor Control,” Proceedings of the 2010 American Helicopter Society Forum, May 2010.
69. Min, B. Y., Sankar, L. N., Bauchau, O. A., “A CFD-CSD Coupled-Analysis of HART-II Rotor Vibration Reduction using Gurney Flaps,” Proceedings of the 2010 American Helicopter Society Forum, May 2010.
70. Bain, J., Potsdam, M., Sankar, L. N., and Brentner, K. S., “Aeromechanic and Aeroacoustic Predictions of the Boeing SMART Rotor Using Coupled CFD/CSD Analysis,” Proceedings of the 2010 American Helicopter Society Forum, May 2010.
71. Olcer, F. E., Prasad, J. V. R., Sankar, L. N., Bain, J. , Zhao, J., and He, C., “Development and Evaluation of Reduced Order Models of On-Blade Control for Integrated Flight and Rotor Control,” Proceedings of the 2010 American Helicopter Society Forum, May 11-13, 2010.
72. Bain, J., Sankar, L. N., Nucci, M., Egolf, A., and Flemming, R. J., “A Methodology for Modeling the Effects of Icing on Rotary Wing Aerodynamics,” Proceedings of the 2010 European rotorcraft Forum, September 2010.
73. Yeshala, N. and Sankar, L. N., “Three-Dimensional Active Flow Control Drag Reduction Studies Over a Bluff Body Using a Coupled Lattice Boltzmann and Navier-Stokes Methodology,” AIAA-2011-467, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.
74. Rajmohan N., Sankar, L. N., and Costello, M., ” Effect of Inflow Modeling on Coupling between Rotor Flight Mechanics and Aeromechanics,” AIAA-2011-1192, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.
75. Sheng, C., Zhao, Q., Rajmohan, N., Sankar, L. N., Bridgeman, J., and Narramore, J., “An Unstructured Hybrid CFD Approach for Computing Rotor Wake Flows,” AIAA-2011-1124, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.
76. Bain, J., Sankar, L. N.,Deresz, R., Egolf, T. A., Flemming, R. J., and Kreeger, R., “Effects of Icing on Rotary Wing Loads and Surface Heat Transfer Rates,” AIAA-2011-1100, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.
77. Woo, G., Glezer, A., Crittendon, T., Bain, J., and Sankar, L. N., “Rotorcraft Fuselage Drag Reduction Using Combustion Powered Actuators,” AIAA-2011-1100, 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, Orlando, Florida, Jan. 4-7, 2011.
78. Kim, J. W., Sankar, L., Zheng, C., Yeshala, N., Egolf, T., Multiscale Modeling of Active Flow Control for Fuselage Drag Reduction,” AIAA 2012-0075.
79. Kim, J. W., Garza, P. D., Sankar, L. N., Kreeger, R. E., “Ice Accretion Modeling Using an Eulerian Approach for Droplet Impingement,” AIAA 2013-0246.
80. Marpu, R., Sankar, L. N., Norman, T., Egolf, T. A., Makinen, S., “Analysis of the UH-60A Rotor Loads Using Wind Tunnel Data,” AIAA 2013-0635.
81. Kara, K., Gunduz, M., Kim, J., Sankar, L. N., “Effects of Circulation Control on Power Production for Large Scale Wind Turbines,” AIAA 2013-1105.
82. Bah, E., Sankar, L. N., and Jagoda, J., “Investigation on the Use of Multi-Element Airfoils for Improving Vertical Axis Wind Turbine Performance,” AIAA Paper 2013-1109.
83. Hariharan, N., Egolf, T. A., Sankar, L. N., “Simulation of Rotor in Hover: Current State, Challenges and Standardized Evaluation,” AIAA 2014-0041.
84. Marpu, R., Sankar, L. N., Egolf, A., Hariharan, N., “Analysis of a Rotor in Hover using Hybrid Methodology,” AIAA Paper 2014-0210.
85. Hariharan, N., Narducci, R., Egolf, T. A., and Sankar, “Helicopter Rotor Aerodynamic Modeling in Hover: AIAA Standardized Hover Evaluations,” AIAA 2015-1242.
86. Sankar, L. N. and hariharan, N., “High Order Evaluation of S-76 in Hover,” AIAA 2015-1714.
87. Marpu, R., Sankar, L. N., Egolf, A., Hariharan, N., “Assessment of Planform Effects on Rotor Hover Performance,” AIAA 2015-1716.
88. Ali, M., and Sankar, L. N., In-Cloud Ice Accretion Modeling on Wind Turbine Blades Using an Extended Messinger Model,” AIAA 2015-3715.
89. Ritu M. Eshcol, Chong Zhou, Jeewoong Kim, and Lakshmi N. Sankar. "A Comparative Study of Two Hover Prediction Methodologies", 54th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2016-0300).
90. Kim, Jeewoong, Sankar, L. N., Prasad, JVR, "Application of a Navier-Stokes Free Wake Hybrid Methodology to the Harrington Coaxial Rotor," Proceedings of the AHS Technical Meeting on Aeromechanics Design for Vertical Lift, San Francisco, California, January 20-22, 2016.
91. Kim, Jeewoong, Sankar, L. N., Marone, S., Kreeger, R. E., "An Assessment of Empirical Models for Rotorcraft Ice Accretion," Proceedings of the AHS Technical Meeting on Aeromechanics Design for Vertical Lift, San Francisco, California, January 20-22, 2016.
92. Sankar, L., Kim, J., Bain, J., Wissink, A., and Kreeger, R. E., "Integration of Analysis Tools for Rotorcraft Icing," American Helicopter Society 72nd Annual Forum, 2016.
93. Nana Obayashi, Chong Zhou, Lakshmi Sankar and JVR Prasad, "Viscous Flow Simulations of Coaxial Rotors," Proceedings of the European Rotorcraft Forum, September 5-8, 2016.
94. Chong Zhou, Lakshmi Sankar, Dan Schrage, Jeewoong Kim, "Assessment of the Effects of Anhedral Tip on Hover," Proceedings of the Asian Rotorcrft Forum, November 17-18, 2016 Singapore.
95. Zhou, C., Sankar, L. N., and Eshcol, Ritu M., “Application of Hover Prediction Methodologies to Anhedral Tip Shapes,” AIAA Paper 2017-1870, 55th AIAA Aerospace Sciences Meeting, 2017.
96. Obayashi, N., Sankar, L. N., Zhou, C., and Kim, Jeewoong, “Assessment of Icing Characteristics of Coaxial Rotors,” 10th International Conference on Finite Differences, Finite Elements, Finite Volumes, Boundary Elements, May 10-12, 2017.
97. Sankar, L. N., Prasad, J.V.R., and He, C., ““Physics Based Approaches for Active Rotor Modeling and Control,” Proceedings of the European Rotorcraft Forum 2017, September 12-15, 2017, Milano, Italy.
98. Eshcol, Ritu M. and Sankar, L. N., “Physics Based Models for Helicopters in Maneuvering Flight,” 6th Asian Rotorcraft Forum and HeliJapan 2017, November 7-9, 2017.
99. Bah, Elhadji, A., Sankar, L. N., and Jagoda, J. I., “Engineering and Economic Models for Vertical Axis Wind Turbines,” ASME Paper GTIndia 2017-4815, December 2017.
100. Eshcol, R. M., Dewan, Y., Zhou, C. and Sankar, L. N., “Optimization of S-76 Rotor Blade for Hover Performance, AIAA 2018-1782, 56th AIAA Aerospace Sciences Meeting, 2018.
101. Battey, L. and Sankar, L. N., “A Hybrid Navier-Stokes/ Viscous Vortex Particle Methodology for Modeling Maneuver Loads,” Proceedings of the 44th European Rotorcraft Froum, September 2018.
102. Gupta, A., Sankar, L. N., Halloran, E., Palacios, J., and Kreeger, R. E., “Development and Validation of Physics Based Models for Ice Shedding,” Proceedings of the 44th European Rotorcraft Froum, September 2018.
103. Guner, F., Prasad, J.V.R., Sankar, L. N., and He, C., “Correlation of Finite State Multi-Rotor Dynamic Inflow Models with a High Fidelity Viscous Vortex Particle Method,” Proceedings of the 44th European Rotorcraft Forum, September 2018.
104. Chen, Po-Wei, Sankar, L. N., and Prasad, J.V.R., "A Hybrid Navier Stokes – Free Wake Method for Modeling Tandem Rotors," Proceedings of the Asian Rotorcraft Forum, November 2018.
105. Zhou, Chong, Sankar, L. N., and jagoda, J. ,”Assessment of Wind Energy Potential for Shanghai, China,” World Scientific and Engineering Academy and Society (WSEAS), International Conference on Energy, Environment, Ecosystems and Sustainable Development, Dern, Switzerland, December 2018.
106. Gupta, A., Sankar, L. N., and Kreeger, R. E., "Modeling Ice Accretion: Full Integration into Navier-Stokes Solver," Vertical Flight Society 75th Annual Forum, Philadelphia, PA, May 2019.
107. Chen, P.-W., Shukla, D., Sankar, L. N., Komerath, N., Prasad, J. V. R., “Rotor Wake and Inflow Characteristics of multirotor Drone Configurations,“ 45th European Rotorcraft Forum, Warsaw, Poland, September 17-20, 2019.
108. Chen, P.-W., Sankar, L. N., Prasad, J. V. R., Schatzman, N., Rajagopalan, N. G., “Extraction of Dynamic Inflow Models for Coaxial and Tandem Rotors from CFD Simulations,” Vertical Flight Society’s 75th Annual Forum Philadelphia, PA, May 13-16, 2019.
109. Pichitkul, A. and Sankar, L. N. "Development of a CFD-CSD Coupling Technique for Large Scale Offshore Wind Turbines." Proceedings of ASME Turbo Expo 2020 Turbomachinery Technical Conference and Exposition, (2020)
110. Chen, P.-W., Guner, F., Sankar, L. N., Prasad, J. V. R., and He, C., “Calibration of Pressure Potential and Velocity Potential Superposition Models for Finite State Inflow Models using Computational Fluid Dynamics Data,” 2020 Transformative Vertical Flight, San Jose, CA, January 21-23, 2020.
111. Gupta, A., Sankar, L., and Kreeger, R., "Application of Extended Messinger Icing Models to Complex Airframe Geometries," SAE Technical Paper 2020-01-0022, 2020.
112. Gupta, A., Sankar, L. N., and Kreeger, R. E., “Effect of Time-Step Duration and Other Parameters on Ice Accretion,” Proceedings of AIAA 2022 Aviation Forum, Chicago, IL & Virtual July 2022, DOI: 10.2514/6.2022-3397
113. Gahlot, A., L. N., and Pichitkul, A., “Computational Modeling of the Effects of Rain on Wind Turbine Performance,” Proceedings of the ASME Turbo Expo Turbomachinery Technical Conference and Exposition, GT2022-82500, Rotterdam, The Netherlands, June 2022
114. Pichitkul, A., Sankar, L. N., and Ariyarit, A., “Aeroacoustic Modeling and Design of Efficient Low Noise Rotors for eVTOL,” The 12th TSME International Conference on Mechanical Engineering, December 2022, Phuket, Thailand
115. Pichitkul, A. and Sankar, L. N., “Aeroelastic Analysis of Large-Scale Wind Turbine with Biplane Rotors,” Proceedings of the ASME Turbo Expo Turbomachinery Technical Conference and Exposition, GT2022-82584, Rotterdam, The Netherlands, June 2022
116. Sankar, L. N., Gahlot, A., Costello, M., and Collins, K. B., “Retrofitting an Existing Helicopter with eVTOL Capabilities: Challenges and Opportunities,” Proceedings of the European Rotorcraft Forum, June 2022.
117. Sankar, L. N., Costello, M., and Collins, K. B., “Low and High Fidelity Approaches for Low Noise eVTOL Modeling and Design,” Proceedings of the 56th 3AF International Conference on Applied Aerodynamics, Toulouse, France, March 28-30, 2022.
118. Sankar, L. N. and Tung, C., “A Combined Low and High-Fidelity Approach for an eSTOL Rotor Modeling and Design,” Presented at the VFS 2022 Transformative Vertical Flight technical meeting, San Jose, CA, January 24–27, 2022.
119. Mali, H., Benmansour, K. and Sankar, L. N., “Aerodynamic Simulations of the HVAB Rotor in Hover,” AIAA SciTech Forum, January 3-7, 2022, San Diego, CA.
120. Pichitkul, A., Tiandum, J., Sankar, L. N., and Tantrairatn, S., "An Engineering Study of Retrofitting a Piston Engine Powered Helicopter with Hydrogen Fuel cells," Proceedings of the Autonomous VTOL Technical Meeting and Electric VTOL Symposium, Mesa, Arizona, January 2023.
121. Shankar, S., Sankar, L. N., and Chen, Po-Wei, "Effects of Anhedral Tip on Hover Performance" AIAA SciTech Forum, January 2023.
122. Gahlot, A., Sankar, L. N., and Chen, Po-Wei, "Effects of Light Rain on Coaxial and Tandem Rotors in Hover​," Proceedings of the Vertical Flight Society Annual Forum, May 2023.
123. Nelson, C., Zhou, C., Shankar, S., and Sankar, L. N., "Effects of Anhedral Tip on Forward Flight Performance," Proceedings of the Vertical Flight Society Annual Forum, May 2023.
124. Gupta, A., Gahlot, A., and Sankar, L. N., "Drone Rotor performance Under Icing Conditions," Proceedings of the European Rotorcraft Forum, September 2023.
125. Gahlot, A. and Sankar, L. N., "Aerodynamic Effects of Rain on Quadrotor Performance." The First International Conference on Advanced Air Mobility Systems, Bengaluru, India December 4-6, 2023.
126. Pichitkul, A., Tiandum, J., and Sankar, L. N., "Design and Analysis of Efficient Low Noise eVTOL Rotors," The First International Conference on Advanced Air Mobility Systems, Bengaluru, India December 4-6, 2023.
127. Gahlot, A. and Sankar, L. N., "Effects of Rain on Hover and Forward Flight Performance of the S-76 Rotor," AIAA Paper 2024-1117, AIAA Scitech Forum, January 2024.