*Computers & Fluids, 2016, under review.*- W. Cheng, D. I. Pullin, R. Samtaney, W. Zhang, W. Gao, Large eddy simulation of flow over cylinder with Re
_{D}from 3.9x10^{3}to 8.5x10^{5}: a skin friction perspective,*Journal of Fluid Mechanics, 2016, under review.* - D. Bond, V. Wheatley, R. Samtaney, D. I. Pullin, The two-fluid plasma Richtmyer- Meshkov instability,
*Journal of Fluid Mechanics, 2016, under review.* - A. Baksh, R. Samtaney, Linear Analysis of Converging Richtmyer-Meshkov Instability in the Presence of an Azimuthal Magnetic Field,
*ASME J. Fluids Engineering, 2016, under review.* - M. Al Marouf, R. Samtaney, A Versatile Embedded Boundary Adaptive Mesh Method for Compressible Flow in Complex Geometry,
*Journal of Computational Physics, 2016, under review.* - W. Zhang, R. Samtaney, Stabilization of flow past a cylinder with rounded corners,
*Physics of Fluids*, 2016, under review. - W. Mostert, D. I. Pullin, R. Samtaney ,V. Wheatley, Magnetohydrodynamic implosion symmetry and suppression of Richtmyer-Meshkov instability in an octahedrally symmetric field,
*Physical Review Fluids, 2017, to appear*. - W. Mostert, D. I. Pullin, R. Samtaney ,V. Wheatley, Geometrical shock dynamics for magnetohydrodynamic fast shocks,
*Journal of Fluid Mechanics*, 811, article no. R2, 2017. - V. Ratushna, R. Samtaney, Transient growth of a Vlasov plasma in a weakly inhomogeneous magnetic field.
*Physics of Plasmas*, 23(12): 122116, 2016. - M. S. Mohamed, A. N. Hirani, R Samtaney, Comparison of discrete Hodge star operators for surfaces,
*Computer Aided Design, 78:118-125, 2016* - W. Zhang, R. Samtaney, Low-Re flow past an isolated cylinder with rounded corners,
*Computers & Fluid*, 136:384-401, 2016 - A. Baksh, S. Gao, R. Samtaney, V. Wheatley, Linear Simulations of the Cylindrical Richtmyer-Meshkov Instability in Magnetohydrodynamics.
*Physics of Fluids*, 28, 034106, 2016 - D. I. Pullin, W. Mostert, R. Samtaney ,V. Wheatley, Converging cylindrical magnetohydrodynamic shock onto a power-law-varying line current,
*Journal of Fluid Mechanics*, 793:414-443, 2016 - W. Zhang, R. Samtaney, Numerical simulation and global linear stability analysis on low-Re flow past a heated circular cylinder, Intl.J. of Heat and Mass Transfer, 98:584-595, 2016.
- W. Zhang, R. Samtaney, BiGlobal linear stability analysis of low-Re flow past an airfoil at high angle of attack,
*Physics of Fluids*, 28(4): 044105, 2016. - M. Adams, J. Brown, M. Knepley, R. Samtaney, Segmental Refinement: A Multigrid Technique for Data Locality, arXiv preprint arXiv:1406.7808,
*SIAM J. Scientific Computing*, 38(4):C426-C440, 2016 - M. S. Mohamed, A. N. Hirani, R Samtaney, Discrete exterior calculus discretization of Incompressible Navier-Stokes equations on simplicial meshes, J. Comp. Physics, 2016, (arXiv preprint arXiv:1508.01166)
- W. Zhang, R. Samtaney, Assessment of spanwise domain size effects on the transitional flow past an airfoil,
*Computers and Fluids*, 124:39-53, 2016. - W. Cheng, D. I. Pullin, R. Samtaney, Large-eddy simulation of separation and reattachment of a flat plate turbulent boundary layer,
*Journal of Fluid Mechanics*, 785, 78-108, 2015 - W. Mostert, V. Wheatley, D. I. Pullin, R. Samtaney, Effects of magnetic fields on magnetohydrodynamic cylindrical and spherical Richtmyer-Meshkov instability
*Physics of Fluids*, 27, 104102, 2015. - R. Kumar, M. K. Verma, R. Samtaney, Energy transfers in dynamo with small magnetic Prandtl numbers. Journal of Turbulence,16 (11), 1114-1134, 2015
- W. Zhang, R. Samtaney, A direct numerical simulation investigation of the synthetic jet frequency effects on separation control of low-Re flow past an airfoil.
*Physics of Fluids*, 27(5): 055101, 2015 - W. Zhang, R. Samtaney, A. Qamar, W. Cheng, W. Gao, Geometrical effects on the airfoil flow separation and transition.
*Computer and Fluids*, 116, pp:60-73, 2015 - A. Qamar, R. Samtaney, A Model for acoustically driven micro-bubble inside a rigid tube.
*ASME Journal of Fluids Engineering, 137(2):021301-021301-9,*2015. - A. Qamar, R. Samtaney, J. L. Bull, Mass transport over an oscillating cylinder in a pulsatile flow regime. Submitted to
*ASME Journal of Biomechanical Engineering,*2014. - V. Ratushna, R. Samtaney, Transient growth in a magnetized Vlasov plasma. European Physics Letters, 108 (5), 55001, 2014.
- W. Mostert, V. Wheatley, D. I. Pullin, R. Samtaney, Effect of seed magnetic fields on MHD implosion dynamics.
*Physics of Fluids,*26 (12), 126102, 2014 - D. I. Pullin, W. Mostert, V. Wheatley, R. Samtaney, Shock converging on a line current in ideal magnetohydrodynamics,
*Physics of Fluids*, 26(9), 097103, 2014 - W. Cheng, R. Samtaney, Power-law versus log-law in wall-bounded turbulence: A large-eddy simulation perspective.
*Phys. Fluids*, 26(1), art. no. 011703, 2014 - V. Wheatley, R. Samtaney, D. I. Pullin, R. M. Gehre, The transverse field Richtmyer-Meshkov instability in magnetohydrodynamics.
*Phys. Fluids*, 21(8) art. no. 082102, 2014 - R. Kumar, M. K. Verma, R. Samtaney, Energy transfers and magnetic energy growth in small-scale dynamo. vol. 104(5), art. no. 54001,
*European Physics Letters*, 2013 - W. Cheng, R. Samtaney, A high-resolution code for large eddy simulation of incompressible turbulent boundary layer flows.
*Computers & Fluids*, 92:82-92, 2013 - M. K. Verma, A. Chaterjee, S. Reddy, R. K. Yadav, S. Paul, M. Chandra, R. Samtaney, Benchmarking and scaling studies of a pseudospectral code Tarang for turbulence simulations.
*Pramana Journal of Physics,*81(4):617-629*,*2013 - A. Qamar, R. Samtaney, J. L. Bull, Dynamics of micro-bubble sonication inside a phantom vessel.
*Applied Physics Letters*, 102(1), art. no. 013702, 2013 - A. Qamar, R. Samtaney, J. L. Bull, Pulsatility role in cylinder flow dynamics at low Reynolds number.
*Physics of Fluids*, 24(8), art. no. 081701, 2012 - R. Samtaney
*,*Numerical Aspects of Drift Kinetic Turbulence: Ill-posedness, Regularization and a priori Estimates of SGS Terms.*Computational Science and Discovery,*5(1),*art. no.*014004, 2012 - D. R. Reynolds, R. Samtaney and H. C. Tiedeman, A fully implicit Newton-Krylov-Schwarz method for tokamak magnetohydrodynamics: Jacobian construction and preconditioner formulation, 5(1), art. no. 014003,
*Computational Science and Discovery,*2012 - N. F. Loureiro, R. Samtaney , A. A. Schekochihin, D. Uzdensky, Magnetic reconnection and stochastic plasmoid chains in high-Lundquist-number plasmas.
*Physics of Plasmas,*19 (4), art. no. 042303, - M. F. Adams, R. Samtaney, and A. Brandt, Toward textbook multigrid efficiency for fully implicit resistive magnetohydrodynamics.
*J. Comput. Physics*, vol 229(18):6208-6219, 2010 - D. R. Reynolds, R. Samtaney and C. S. Woodward, Operator-based preconditioning of stiff hyperbolic systems.
*SIAM J. of Sci. Comput.,*32 (1):150-170, 2010 - V. Wheatley, R. Samtaney and D. I. Pullin, The Richtmyer-Meshkov instability in magnetohydrodynamics.
*Phys. Fluids,*21(8), art. no. 082102, 2009 - R. Samtaney, N. F. Loureiro, A. A. Schekochihin, D. Uzdensky, and S. C. Cowley, Formation of plasmoid chains in magnetic reconnection,
*Phys. Rev. Lett.,*103 (10), art. no. 105004*,*2009 - R. Samtaney, A method to compute linear stability of impulsively accelerated density interfaces in ideal-MHD and gas dynamics,
*J. Comput. Physics,*228(18):6773-6783*,*2009 - C-S. Chang, S. Klasky, J. Cummings, R. Samtaney, A. Shoshani, L. Sugiyama, D. Keyes, S. Ku, G. Park, S. Parker, N. Podhorszki, H. Strauss, H. Abbasi, M. Adams, R. Barreta, G. Bateman, K. Bennett, Y. Chen, E. D'Azevedo, C. Docan, S. Ethier, E. Feibush, L. Greengard, T. Hahm, F. Hinton, C. Jin, A. Khan, A. Kritz, P. Krsti, T. Lao, W. Lee, Z. Lin, J. Lofstead, P. Mouallem, M, Nagappan, A. Pankin, M. Parashar, M. Pindzola, C. Reinhold, D. Schultz, K. Schwan, D. Silver, A. Sim, D. Stotler, M. Vouk, M. Wolf, H. Weitzner, P. Worley, Y. Xiao, E. Yoon, and D. Zorin, Toward a first-principles integrated simulation of tokamak edge plasmas.
*Journal of Physics: Conference Series*, 125, art. no. 012042, 2008 - G. Park, J. Cummings, C-S. Chang, N. Podhorszki, S. Klasky, S. Ku, A. Pankin, R. Samtaney, A. Shoshani, P. Snyder, H. Strauss, L. Sugiyama and the CPES Team, Coupled simulation of kinetic pedestal growth and MHD ELM crash.
*Journal of Physics: Conference Series,*78(1), art. no. 012087, 2007 - R Samtaney, B. van Straalen, P. Colella and S. C. Jardin, Adaptive mesh simulations of multi-physics processes during pellet injection in tokamaks.
*Journal of Physics: Conference Series,*78(1): art. no. 012062, 2007 - D. R. Reynolds, R. Samtaney and C. S. Woodward, A fully implicit numerical method for single-fluid resistive magnetohydrodynamics.
*J. Comput. Phys*., 219(1):144-162, 2006 - P. E. Dimotakis and R. Samtaney, Planar shock cylindrical focusing by a perfect gas lens.
*Phys. Fluids*, 18(3), art. no. 031705 2006 - R. Samtaney, P. Colella. T. J. Ligocki, D. F. Martin and S. C. Jardin. An adaptive mesh semi-implicit unsplit conservative method for resistive MHD.
*Journal of Physics:Conference Series,*16(1):40-48, 2005 - D. Tam, R. Radovitzky, and R. Samtaney, An algorithm for the modeling the interaction of a flexible rod with a two-dimensional high speed flow
*. Intl. J. Num. Meth. In Engineering*, 64(8):1057-1077, 2005 - V. Wheatley, D. I. Pullin, and R. Samtaney, Stability of an impulsively accelerated density interface in magnetohydrodynamics.
*Physical Review Letters*, 95(12), art. no. 125002, 2005 - V. Wheatley, D. I. Pullin and R. Samtaney, Regular shock refraction at an oblique planar density interface in magnetohydrodynamics.
*Journal of Fluid Mechanics*, 522:179-214, 2005 - R. Samtaney, S. C. Jardin, P. Colella, D. F. Martin. 3D Adaptive mesh refinement simulations of pellet injection in tokamaks.
*Computers Physics Communications,*164(1-3):220-228, 2004 - R. Samtaney. Suppression of the Richtmyer-Meshkov instability in the presence of a magnetic field
*. Phys. Fluids*, Vol. 15, L53-L56. 2003 - D. Petrasek, R. Samtaney, and D. S. Cohen. Glandular regulation of interstitial diffusion: a model and simulation of a novel physiological mechanism.
*Am. J. Physiol. Endocrinol. Metab.*283(2):E195-E206, 2002 - J. Cummings, M. Aivazis, R. Samtaney, R. Radovitzky, D. Meiron. A virtual test facility for the simulation of dynamic response in materials.
*J. Supercomputing,*23 (1): 39-50, 2002 - B. Kosovic, D. I. Pullin and R. Samtaney. Subgrid-scale modeling for large-eddy simulation of compressible turbulence.
*Phys. Fluids*, 14(4):1511-1522, 2002 - R. Samtaney, D. I. Pullin and B. Kosovic. Direct numerical simulation of decaying isotropic compressible turbulence and shocklet statistics.
*Phys. Fluids*, 13(5):1415-1430, 2001 - J. Ray, R. Samtaney, and N. J. Zabusky. Shock interactions with heavy gaseous elliptic cylinders: Two leeward-side shock competition modes and a heuristic model for interfacial circulation deposition at early times.
*Phys. Fluids*, 12(3): 707-716, 2000 - R. Samtaney and D. I. Pullin. Self-similar hypervelocity shock interactions with oblique contact discontinuities.
*Shock-Waves*, 8(5):299-310, 1998 - R. Samtaney, J. Ray and N. J. Zabusky. Baroclinic circulation generation on shock accelerated slow-fast gas interfaces.
*Phys. Fluids*. 10(5):1217-1230, 1998 - R. Samtaney and D. I. Meiron. Hypervelocity Richtmyer-Meshkov instability.
*Phys. Fluids*, Vol 9(6):1783-1803, 1997 - R. Samtaney. Computational methods for self--similar solutions of the compressible Euler equations. Journal
*of Comput. Phys*., 132(2):327-345, 1997 - R. Samtaney and D.I. Pullin. On initial-value and self-similar solutions of the compressible Euler equations.
*Phys. Fluids*, 8(10):2650-2655, 1996 - M. Chandy, B. Massingill, D. I. Meiron, and R. Samtaney. Parallel programming archetypes and scientific computing.
*Parallel Computing Research Newsletter, CPRC*, 3(4):10, 1995 - S. E. Parker, J. C. Cummings and R. Samtaney. Visualization of plasma turbulence. IEEE Computer Graphics and Applications, 15(2):7-10, 1995
- R. Samtaney, D. Silver, N. J. Zabusky, and J. Cao. Visualizing features and tracking their evolution.
*Computer*, 27(7):20-27, 1994 - R. Samtaney and N. J. Zabusky. Circulation deposition on shock-accelerated planar and curved density-stratified interfaces: Models and scaling laws.
*J. Fluid Mech*., 269:45-78, 1994 - R. Samtaney and N. J. Zabusky. On shock polar analysis and analytical expressions for vorticity deposition in shock-accelerated density-stratified interfaces
*. Phys. Fluids. A*, 5(6):1285-1287, 1992 - N. J. Zabusky, D. Silver, R. Pelz et al. Visiometrics, juxtaposition and modeling.
*Phys-today*vol. 46(3): 24-31, 1993 - X. Yang, I-L. Chern, N. J. Zabusky, R. Samtaney, & J.F. Hawley. Vorticity generation and evolution in shock accelerated density-stratified interfaces.
*Phys. Fluids A,*4(7):1531-1540, 1992 - R. P. Kirchner and R. Samtaney. On the calculation of solar azimuth angles. Intl. J. Mech. Eng. Ed., 21(2):137-146, 1992 (This paper is not available online)
- R. P. Kirchner and R. Samtaney. Design, construction and testing of a thermoelectric calorimeter.
*AHSRAE Trans*., 96(1):3360, 1990