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Elsevier's Scopus

 

Journal Papers

     

  1. S. Tran and O. Sahni, “Finite Element based Large Eddy Simulation using a Combination of the Variational Multiscale Method and the Dynamic Smagorinsky Model”, Journal of Turbulence, (under review).
  2. S. Tran, R. Cummings and O. Sahni, “Finite Element based Large Eddy Simulation of Flow over Bluff Bodies”, Computer and Fluids, (accepted).
  3. R.A. Carson and O. Sahni, “Scaling Laws for the Peak Overpressure of a Cannon Blast”, Journal of Fluids Engineering, 139(2), 021204 1-12, 2017. (link)
  4. D. Gallardo, O. Sahni and R. Bevilacqua, “Hammerstein-Wiener based Reduced Order Model for Vortex-induced Nonlinear Fluid-structure Interaction”, Engineering with Computers, (under print).
  5. Z. Dar, K. Kar, O. Sahni and J.H. Chow, “Windfarm Power Optimization using Yaw Angle Control”, IEEE Transactions on Sustainable Energy, (under print).
  6. O. Sahni, A. Ovcharenko, K. Chitale, K.E. Jansen and M.S. Shephard, “Parallel Anisotropic Mesh Adaptation with Boundary Layers for Automated Viscous Flow Simulations”, Engineering with Computers, (under print).
  7. R.A. Carson and O. Sahni, “Study of the Relevant Geometric Parameters of the Channel Leak Method for Blast Overpressure Attenuation for a Large Caliber Cannon”, Computers and Fluids, 115:211-225, 2015. (link)
  8. J. Vaccaro, Y. Elimelech, Y. Chen, O. Sahni, K.E. Jansen and M. Amitay, “Experimental and Numerical Investigation on Steady Blowing Flow Control within a Compact Inlet Duct”, International Journal of Heat and Fluid Flow, 54:143-152, 2015. (link)
  9. K. Chitale, O. Sahni, M.S. Shephard, S. Tendulkar and K.E. Jansen, “Anisotropic Adaptation for Transonic Flows with Turbulent Boundary Layers”, AIAA Journal, 53(2):367-378, 2015. (link)
  10. R.A. Carson and O. Sahni, “Numerical Investigation of Channel Leak Geometry for Blast Overpressure Attenuation in a Muzzle Loaded Large Caliber Cannon”, Journal of Fluids Engineering, 137(2), 021102 1-12, 2015. (link)
  11. R.A. Carson and O. Sahni, “Numerical Investigation of Propellant Leak Methods in Large Caliber Cannons for Blast Overpressure Attenuation”, Shock Waves, 24(6):625-638, 2014. (link)
  12. D. Gallardo, R. Bevilacqua and O. Sahni, “Data-based Hybrid Reduced Order Modeling for Vortex-induced Nonlinear Fluid-structure Interaction at Low Reynolds Numbers”, Journal of Fluids and Structures, 44:115-128, 2014. (link)
  13. J. Jagalur-Mohan, O. Sahni, A. Doostan and A.A. Oberai, “Variational Multiscale Analysis: the Fine-scale Green's Function for Stochastic Partial Differential Equations”, SIAM/ASA Journal on Uncertainty Quantification, 2(1):397-422, 2014. (link)
  14. V.L. Marrero, J.A. Tichy, O. Sahni and K.E. Jansen, “Numerical Study of Purely Viscous Non-Newtonian Flow in an Abdominal Aortic Aneurysm”, Journal of Biomechanical Engineering, 136(10):101001 1-10, 2014. (link)
  15. M. Rasquin, C. Smith, K. Chitale, E.S. Seol, B.A. Matthews, J.L. Martin, O. Sahni, R.M. Loy, M.S. Shephard and K.E. Jansen, “Scalable Implicit Flow Solver for Realistic Wing Simulations with Flow Control”, Computing in Science and Engineering, 16(6):13-21, 2014. (link)
  16. J. Vaccaro, Y. Elimelech, Y. Chen, O. Sahni, K.E. Jansen and M. Amitay, “Experimental and Numerical Investigation on the Flow Field within a Compact Inlet Duct”, International Journal of Heat and Fluid Flow, 44:478-488, 2013. (link)
  17. J.E. Hicken, J. Li, O. Sahni and A.A. Oberai, “Adjoint Consistency of Residual-based Variational Multiscale Methods”, Journal of Computational Physics, 255:396-406, 2013. (link)
  18. J.M. Rodriguez, O. Sahni, R.T. Lahey and K.E. Jansen, “A Parallel Adaptive Mesh Method for the Numerical Simulation of Multiphase Flows”, Computers and Fluids, 87:115-131, 2013. (link)
  19. A. Ovcharenko, D. Ibanez, F. Delalondre, O. Sahni, C.D. Carothers, K.E. Jansen and M.S. Shephard, “Neighborhood Communication Paradigm to Increase Scalability in Large-scale Dynamic Scientific Applications”, Parallel Computing, 38(3):140-156, 2012. (link)
  20. M. Zhou, T. Xie, S. Seol, M.S. Shephard, O. Sahni and K.E. Jansen, “Tools to Support Mesh Adaptation on Massively Parallel Computers”, Engineering with Computers, 28(3):287-301, 2012. (link)
  21. M. Zhou, O. Sahni, T. Xie, M.S. Shephard and K.E. Jansen, “Unstructured Mesh Partition Improvement for Implicit Finite Element at Extreme Scale”, Journal of Supercomputing, 59(3):1218-1228, 2012. (link)
  22. O. Sahni, J. Wood, K.E. Jansen and M. Amitay, “Three-dimensional Interactions between a Finite-span Synthetic Jet and a Crossflow”, Journal of Fluid Mechanics, 671:254-287, 2011. (link)
  23. N. Liu, J. Fu, C.D. Carothers, O. Sahni, K.E. Jansen and M.S. Shephard, “Massively Parallel I/O for Partitioned Solver Systems”, Parallel Processing Letters, 20(4):377-395, 2010. (link)
  24. M. Zhou, O. Sahni, K.D. Devine, M.S. Shephard and K.E. Jansen, “Controlling Unstructured Mesh Partitions for Massively Parallel Simulations”, SIAM Journal on Scientific Computing, 32(6):3201-3227, 2010. (link)
  25. O. Sahni, X.J. Luo, K.E. Jansen and M.S. Shephard, “Curved Boundary Layer Meshing for Adaptive Viscous Flow Simulations”, Finite Elements in Analysis and Design, 46(1-2):132-139, 2010. (link)
  26. M. Zhou, O. Sahni, H.J. Kim, C.A. Figueroa, C.A. Taylor, M.S. Shephard and K.E. Jansen, “Cardiovascular Flow Simulations at Extreme Scale”, Computational Mechanics, 46(1):71-82, 2010. (link)
  27. A.Yu. Galimov, O. Sahni, R.T. Lahey, M.S. Shephard, D.A. Drew and K.E. Jansen, “Parallel Adaptive Simulation of a Plunging Liquid Jet”, Acta Mathematica Scientia, 30B(2):522-538, 2010. (link)
  28. M. Zhou, O. Sahni, M. S. Shephard, C.D. Carothers and K.E. Jansen, “Adjacency-based Data Reordering Algorithm for Acceleration of Finite Element Computations”, Scientific Programming, 18(2):107-123, 2010. (link)
  29. J.C. Vaccaro, O. Sahni, J. Olles, K.E. Jansen and M. Amitay, “Experimental and Numerical Investigation of Active Control of Inlet Ducts”, International Journal of Flow Control, 1(2):133-154, 2009. (link)
  30. O. Sahni, C.D. Carothers, M.S. Shephard and K.E. Jansen, “Strong Scaling Analysis of a Parallel, Unstructured, Implicit Solver and the Influence of the Operating System Interference”, Scientific Programming, 17(3):261-274, 2009. (link)
  31. K. Devine, L. Diachin, J. Kraftcheck, K.E. Jansen, V. Leung, X. Luo, M. Miller, C. Ollivier-Gooch, A. Ovcharenko, O. Sahni, M.S. Shephard, T. Tautges, T. Xie and M. Zhou, “Interoperable Mesh Components for Large-scale, Distributed-memory Simulations”, Journal of Physics: Conference Series, 180:012011, 2009. (link)
  32. O. Sahni, K.E. Jansen, C.A. Taylor and M.S. Shephard, “Automated Adaptive Cardiovascular Flow Simulations”, Engineering with Computers, 25(1):25-36, 2009. (link)
  33. O. Sahni, K.E. Jansen, M.S. Shephard, C.A. Taylor and M.W. Beall, “Adaptive Boundary Layer Meshing for Viscous Flow Simulations”, Engineering with Computers, 24(3):267-285, 2008. (link)
  34. M.S. Shephard, K.E. Jansen, O. Sahni and L.A. Diachin, “Parallel Adaptive Simulations on Unstructured Meshes”, Journal of Physics: Conference Series, 78:012053, 2007. (link)
  35. O. Sahni, J. Mueller, K.E. Jansen, M.S. Shephard and C.A. Taylor, “Efficient Anisotropic Adaptive Discretization of the Cardiovascular System”, Computer Methods in Applied Mechanics and Engineering, 195(41-43):5634-5655, 2006. (link)
  36. J. Mueller, O. Sahni, X. Li, K.E. Jansen, M.S. Shephard and C.A. Taylor, “Anisotropic Adaptive Finite Element Method for Modelling Blood Flow”, Computer Methods in Biomechanics and Biomedical Engineering, 8(5):295-305, 2005. (link)

 

Conference Proceedings

 

  1. T. Rice, R. Cummings, D.J. Clingman, O. Sahni and M. Amitay, “Experimental and Numerical Investigation of Static and Dynamic Vortex Generators on an Airfoil with a Deflected Flap”, Proceedings of the AIAA Aviation 2016: Aviation and Aeronautics Forum and Exposition, Washington, DC, USA, June 2016. (link)
  2. R. Cummings, S. Tran and O. Sahni, “Finite Element based Large Eddy Simulation of a Flow over an Oscillating Cylinder”, Proceedings of the 8th International Colloquium on Bluff Body Aerodynamics and Applications, Boston, MA, USA, June 2016.
  3. R. Carson and O. Sahni, “Investigation and Development of Scaling Laws for Primary Blast Peak Overpressure for a Large Caliber Cannon”, Proceedings of the 29th International Symposium on Ballistics, Edinburgh, Scotland, May 2016. (link; Google link)
  4. S.A. Tran and O. Sahni, “Large Eddy Simulation based on the Residual-based Variational Multiscale Formulation and Lagrangian Dynamic Smagorinsky Model”, Proceedings of the AIAA SciTech 2016: Science and Technology Forum and Exposition, San Diego, CA, USA, Jan. 2016. (link)
  5. A. Zhang and O. Sahni, “Finite Element Analysis of Boundary Layer Flows using a Mixed B-spline Setting on Hybrid Meshes”, Proceedings of the AIAA SciTech 2016: Science and Technology Forum and Exposition, San Diego, CA, USA, Jan. 2016. (link)
  6. C.W. Smith, S. Tran, O. Sahni, Farhad Behafarid, M.S. Shephard and R. Singh, “Enabling HPC Simulation Workflows for Complex Industrial Flow Problems”, Proceedings of the XSEDE15 Conference, St. Louis, MO, USA, July 2015. (link)
  7. R. Cummings, D.J. Clingman and O. Sahni, “Interactions of a Cross-flow with a Dynamic Vortex Generator: a Numerical Study”, Proceedings of the AIAA Aviation 2015: Aviation and Aeronautics Forum and Exposition, Dallas, TX, USA, June 2015. (link)
  8. R. Cummings, C. Letchford and O. Sahni, “Numerical Analysis of Active Flow Control using Unsteady Jets Applied to a Square Prism in Turbulent Flow”, Proceedings of the 6th International Conference on Wind Engineering, Porto Alegre, Brazil, June 2015.
  9. S. Tendulkar, M. Beall, R. Nastasia, O. Sahni, S. Tran and M.S. Shephard, “Advanced Meshing and Mesh Adaptation for Complex Flow Problems”, Proceedings of the NAFEMS World Congress 2015, San Diego, CA, USA, June 2015. (link)
  10. S.A. Tran, A.E. Fisher, D. Corson and O. Sahni, “Dynamic Stall Alleviation for an SC1095 Airfoil using Synthetic Jet Actuation”, Proceedings of the AIAA SciTech 2015: Science and Technology Forum and Exposition, Kissimmee, FL, USA, Jan. 2015. (link)
  11. R. Carson and O. Sahni, “Effect of Channel Geometry on Blast Overpressure Attenuation for a Large Caliber Cannon”, Proceedings of the 28th International Symposium on Ballistics, Atlanta, GA, USA, Pages 1711-1721, Sept. 2014. (link; Google link)
  12. K. Chitale, M. Rasquin, O. Sahni, M.S. Shephard and K.E. Jansen, “Boundary Layer Adaptivity for Incompressible Turbulent Flows”, Proceedings of the 11th World Congress on Computational Mechanics, Barcelona, Spain, July 2014. (link)
  13. R. Cummings, O. Sahni and C. Letchford, “Numerical Study of the Effects of Free-stream Turbulence on a Square Prism”, Proceedings of the 6th International Symposium on Computational Wind Engineering, Hamburg, Germany, June 2014.
  14. R. Cummings, O. Sahni and C. Letchford, “Numerical Analysis of Active Flow Control using Steady and Synthetic Jets Applied to Tall Buildings”, Proceedings of the 6th International Symposium on Computational Wind Engineering, Hamburg, Germany, June 2014.
  15. J. Li and O. Sahni, “Numerical Investigation of Flow Structures and Interactions due to a Pitched Synthetic Jet in a Laminar Boundary Layer”, Proceedings of the AIAA SciTech 2014: Science and Technology Forum and Exposition, National Harbor, MD, USA, Jan. 2014. (link)
  16. S.A. Tran, D. Corson and O. Sahni, “Synthetic Jet based Active Flow Control of Dynamic Stall Phenomenon on Wind Turbines Under Yaw Misalignment”, Proceedings of the AIAA SciTech 2014: Science and Technology Forum and Exposition, National Harbor, MD, USA, Jan. 2014. (link)
  17. K. Chitale, M. Rasquin, O. Sahni, M.S. Shephard and K.E. Jansen, “Anisotropic Boundary Layer Adaptivity of Multi-element Wings”, Proceedings of the AIAA SciTech 2014: Science and Technology Forum and Exposition, National Harbor, MD, USA, Jan. 2014. (link)
  18. A.A. Oberai, O. Sahni and M.S. Shephard, “Adaptive Multiscale Predictions at Exascale”, Proceedings of the DOE ExaMath13 Workshop on Applied Mathematics Research for Exascale Computing, Washington, DC, USA, August 2013. (link)
  19. J. Banks, L. Diachin, B. Henshaw, M.S. Shephard, O. Sahni and T. Tautges, “Scalable Mesh-based Simulation Workflows are required for Exascale Computers”, Proceedings of the DOE ExaMath13 Workshop on Applied Mathematics Research for Exascale Computing, Washington, DC, USA, August 2013. (link)
  20. R. Cummings, O. Sahni and C. Letchford, “Numerical Analysis of Drag Reduction on Tall Buildings using Steady Jets”, Proceedings of the 12th Americas Conference on Wind Engineering, Seattle, WA, USA, June 2013. (link)
  21. M.S. Shephard, S. Seol, C.W. Smith, M. Mubarak, A. Ovcharenko and O. Sahni, “Methods and Tools for Parallel Anisotropic Mesh Adaptation and Analysis”, Proceedings of the VI International Conference on Adaptive Modeling and Simulation, Lisbon, Portugal, June 2013. (link)
  22. K. Chitale, O. Sahni, M.S. Shephard, S. Tendulkar, R. Nastasia and K.E. Jansen, “Boundary Layer Adaptivity for Transonic Turbulent Flows”, Proceedings of the 43rd AIAA Fluid Dynamics Conference and Exhibit, San Diego, CA, USA, June 2013. (link)
  23. R. Carson and O. Sahni, “Plume-in-plume Exterior Blast Attenuation”, Proceedings of the 27th International Symposium on Ballistics, Freiburg, Germany, Pages 359-371, April 2013. (link)
  24. A. Ovcharenko, K. Chitale, O. Sahni, K.E. Jansen and M.S. Shephard, “Parallel Adaptive Boundary Layer Meshing for Adaptive CFD Analysis”, Proceedings of the 21st International Meshing Roundtable, San Jose, CA, USA, Oct. 2012. (link)
  25. X. Ge, J.T. Wen, M. Boucher and O. Sahni, “Low Order Model Identification and Controller Design for Active Flow Control”, Proceedings of the 2012 AIAA Guidance, Navigation, and Control Conference, Minneapolis, MN, USA, Aug. 2012. (link)
  26. K. Miki, R.R. Upadhyay, O. Sahni and S.H. Cheung, “Bayesian Model Comparison and Selection for Quantifying Uncertainty in Active Graphite Nitridation”, Proceedings of the 50th AIAA Aerospace Sciences Meeting and Exhibit, Nashville, TN, USA, Jan. 2012. (link)
  27. J. Cardillo, Y. Chen, G. Araya, O. Sahni, K.E. Jansen and L. Castillo, “DNS of a Turbulent Boundary Layer with Surface Roughness”, Proceedings of the 2011 - 1000 Islands Fluid Mechanics Meeting, Gananoque, ON, Canada, April 2011.
  28. M. Zhou, A. Ovcharenko, T. Xie, S. Seol, K.E. Jansen, O. Sahni and Mark S. Shephard, “Parallel Mesh Control Tools for Unstructured Meshes”, Proceedings of the 2010 SciDAC Conference, Chattanooga, TN, USA, July 2010. (link)
  29. X. Ge, W. Gressick, J.T. Wen, O. Sahni and K.E. Jansen, “Low-order Nonlinear Models for Active Flow Control of a Low L/D Inlet Duct”, Proceedings of the 2010 American Control Conference, Baltimore, MD, USA, June/July 2010. (link)
  30. J.C. Vaccaro, Y. Elimelechi, Y. Chen, O. Sahni, M. Amitay and K.E. Jansen, “On the Interaction of Control Jets in a Short Duct”, Proceedings of the 5th AIAA Flow Control Conference, Chicago, IL, USA, June/July 2010. (link)
  31. X. Ge, W. Gressick, J.T. Wen, O. Sahni and K.E. Jansen, “Investigation of a Low L/D Inlet Duct: Modeling, Optimal Sensor Placement and Closed Loop Control”, Proceedings of the 5th AIAA Flow Control Conference, Chicago, IL, USA, June/July 2010. (link)
  32. J. Fu, N. Liu, O. Sahni, K.E. Jansen, M.S. Shephard and C.D. Carothers, “Scalable Parallel I/O Alternatives for Massively Parallel Partitioned Solver Systems”, Proceedings of the Workshop on Large-scale Parallel Processing at the 24th IEEE International Parallel and Distributed Processing Symposium, Atlanta, GA, USA, April 2010. (link)
  33. O. Sahni, M. Zhou, M.S. Shephard and K.E. Jansen, “Scalable Implicit Finite Element Solver for Massively Parallel Processing with Demonstration to 160K cores”, Proceedings of the 2009 ACM/IEEE Conference on Supercomputing, 2009 ACM Gordon Bell Finalist, Portland, OR, USA, Nov. 2009. (link)
  34. J. Wood, O. Sahni, K.E. Jansen and M. Amitay, “Experimental and Numerical Investigation of Active Control of 3-D Flows”, Proceedings of the 39th AIAA Fluid Dynamics Conference and Exhibit, San Antonio, TX, USA, June 2009. (link)
  35. A. Ovcharenko, O. Sahni, C.D. Carothers, K.E. Jansen and M.S. Shephard, “Subdomain Communication to Increase Scalability in Large-scale Scientific Applications”, Proceedings of the 23rd International Conference on Supercomputing, Yorktown Heights, NY, USA, June 2009. (link)
  36. M. Zhou, C.A. Figueroa, H.J. Kim, C.A. Taylor, O. Sahni and K.E. Jansen, “Parallel Adaptive Computation of Blood Flow in a 3D "Whole" Body Model”, Proceedings of the 2009 ASME Summer Bioengineering Conference, Lake Tahoe, CA, USA, June 2009. (link)
  37. O. Sahni, J. Olles and K.E. Jansen, “Simulation of Flow Control in a Serpentine Duct”, Proceedings of the 47th AIAA Aerospace Sciences Meeting and Exhibit, Orlando, FL, USA, Jan. 2009. (link)
  38. J.M. Rodriguez, O. Sahni, K.E. Jansen and R.T. Lahey, “A Parallel Adaptive Mesh Method for the Numerical Simulation of Multiphase Flows”, Proceedings of the 2008 Japan/US Seminar on Two-phase Flow Dynamics, Santa Monica, CA, USA, Sept. 2008.
  39. J. Mueller, O. Sahni, K.E. Jansen, M.S. Shephard and C.A. Taylor, “A Tool for the Efficient FE-simulation of Cardio-vascular Flow”, Proceedings of the 2nd NAFEMS Seminar on Simulation of Complex Flows (CFD) - Applications and Trends, Niedernhausen/Wiesbaden, Hesse, Germany, April 2005.
  40. O. Sahni and A. Chatterjee, “Numerical Simulation of Shock Waves in Dust Gas Suspension”, Proceedings of the 5th AeSI Annual CFD Symposium, Bangalore, KA, India, Aug. 2002.