Publications

 

Journal

Under review

  1. A. Chatterjee, M. K. Verma, A. Kumar, R. Samtaney, Scaling of a Fast Fourier Transform and a Pseudo-spectral Fluid Solver up to 196608 cores, Computers & Fluids, 2016, under review.
  2. W. Cheng, D. I. Pullin, R. Samtaney, W. Zhang, W. Gao, Large eddy simulation of flow over cylinder with ReD from 3.9x103 to 8.5x105:   a skin friction perspective, Journal of Fluid Mechanics, 2016, under review.
  3. D. Bond, V. Wheatley, R. Samtaney, D. I. Pullin, The two-fluid plasma Richtmyer- Meshkov instability, Journal of Fluid Mechanics, 2016, under review.
  4. 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. 
  5. 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. ​​
  6. W. Zhang, R. Samtaney, Stabilization of flow past a cylinder with rounded corners, Physics of Fluids, 2016, under review.

Accepted 

  1. 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.
  2. 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.
  3. V. Ratushna, R. Samtaney, Transient growth of a Vlasov plasma in a weakly inhomogeneous magnetic field. Physics of Plasmas, 23(12): 122116, 2016.
  4. M. S. Mohamed, A. N. Hirani, R Samtaney, Comparison of discrete Hodge star operators  for surfaces, Computer Aided Design, 78:118-125, 2016
  5. W. Zhang, R. Samtaney, Low-Re flow past an isolated cylinder with rounded corners, Computers & Fluid, 136:384-401, 2016
  6. A. Baksh, S. Gao, R. Samtaney, V. Wheatley, Linear Simulations of the Cylindrical Richtmyer-Meshkov Instability in Magnetohydrodynamics. Physics of Fluids, 28, 034106, 2016
  7. 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
  8. 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.
  9. 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.
  10. 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
  11. 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)
  12. W. Zhang, R. Samtaney, Assessment of spanwise domain size effects on the transitional flow past an airfoil, Computers and Fluids, 124:39-53, 2016.
  13. 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
  14. 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.
  15. R. Kumar, M. K. Verma, R. Samtaney, Energy transfers in dynamo with small magnetic Prandtl numbers. Journal of Turbulence,16 (11), 1114-1134, 2015
  16. 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 
  17. 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
  18. 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.
  19. 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.
  20. V. Ratushna, R. Samtaney, Transient growth in a magnetized Vlasov plasma. European Physics Letters, 108 (5), 55001, 2014.  
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. W. Cheng, R. Samtaney, A high-resolution code for large eddy simulation of incompressible turbulent boundary layer flows. Computers & Fluids, 92:82-92, 2013
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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, 2012.
  33. 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
  34. 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