Alric Rothmayer

Title(s):

Professor Emeritus, Aerospace Engineering

Office

1200 Howe Hall
Ames, IA 50011-2271

Information

Education

  • Ph.D., Aerospace Engineering, University of Cincinnati, 1985
  • M.S., Aerospace Engineering, University of Cincinnati, 1982
  • B.S., Applied Mechanics, University of Cincinnati, 1980

Research Interests

  • Perturbation Methods
  • Boundary Layer Theory
  • Computational Fluid Dynamics
  • Viscous-Inviscid Interactions and Flow Separation
  • Aircraft Icing

Current Teaching Interests

Publications

  • Servini, P., Smith, F.T., and Rothmayer, A.P., 2018, “The impact of dynamic roughness elements on marginally separated boundary layers,” J. Fluid Mech., Volume 855, 25 November 2018, pp. 351-370.
  • Rothmayer. A.P., 2017, “Sublayer surface roughness and the Spalart-Allmaras turbulence model,” AIAA Paper 2017-3581, 9th AIAA Atmospheric and Space Environments Conference (AIAA Aviation Forum), 5-9 June 2017, Denver, CO.
  • Lifshitz, Y., Degani, D., and Rothmayer, A.P., 2015, “Periodic-forcing parameters for control of incipient leading-edge separation,” AIAA Journal, Vol. 53, No. 9 (2015), pp. 2482-2491.
  • Rothmayer, A.P., and Hu. H., 2015, “A low-order model of the interaction between air driven water films and sub-grid surface roughness,” SAE Paper 2015-01-2078, presented at the SAE 2015 International Conference on Icing of Aircraft, Engines and Structures, June 22-25 2015, Prague, Czech Republic.
  • Rothmayer, A.P., 2014, “Magnetohydrodynamic channel flow with weak transverse magnetic fields,” Phil. Trans. of the Roy. Soc. A, Vol 372, No. 2020, July 2014.
  • Rothmayer, A.P., and Hu, H., 2013, “Linearized solutions of three-dimensional condensed layer films,” AIAA Paper 2013-3055, 5th AIAA Atmospheric and Space Environments Conference, San Diego CA.
  • Rothmayer A.P., and Hu, H., 2012, “Solutions for two-dimensional instabilities of ice surfaces uniformly wetted by thin films,” AIAA Paper 2012-3133, 4th AIAA Atmospheric and Space Environments Conference, New Orleans LA.
  • Wang, G., and Rothmayer, A.P., 2009, “Thin water films driven by air shear stress through roughness,” Computers & Fluids, Volume 38, Issue 2, February 2009, Pages 235-246.
  • Huebsch, W.W. and Rothmayer, A.P., 2003, “Numerical prediction of unsteady vortex shedding for large leading-edge roughness,” Computers & Fluids, Vol. 33(3), March 2004, pp. 405-434.
  • Rothmayer, A.P., Matheis, B.R., and Timoshin, S.N., 2002, “Thin liquid films flowing over external aerodynamic surfaces,” J. Eng. Math., 42, pp. 341-357.
  • Tsao, J.C., and Rothmayer, A.P., 2002, “Application of triple-deck theory to the prediction of glaze ice roughness formation on an airfoil leading edge,” Computers & Fluids, Vol. 31 No. 8 (2002), pp. 977-1014.
  • Rothmayer, A.P., and Tsao, J.C., 2001, “On the incipient motion of air driven water beads,” AIAA Paper 2001-0676, presented at the 39th AIAA Aerospace Sciences Meeting and Exhibit, Reno NV.
  • Rothmayer, A.P., 1998, “A hyperdimensional transposition method applied to heat conduction in complex media,” AIAA Paper 98-2761, presented at the 7th AIAA/ASME Joint Thermophysics and Heat Transfer Conference.
  • Rothmayer, A.P., and Smith, F.T., 1998, “Incompressible triple-deck theory; Free-interactions and breakaway separation; Solution methods for two-dimensional, steady triple-deck problems,” Part III, Chapters 23, 24 and 25, The Handbook of Fluid Dynamics, CRC Press, 1998.
  • Rothmayer, A.P., 1998, “Supersonic breakaway separation past an adiabatic wavy wall,” AIAA Journal, 36(4), April 1998, pp. 571-577.
  • Tsao, J.C., Rothmayer, A.P., and Ruban, A.I., 1997, “Stability of air flow past thin liquid films on airfoils,” Computers & Fluids, 26(5), pp. 427-452.
  • Rothmayer, A.P., Black, D.W., and Hao, W. 1994, “Asymptotic Reynolds-averaged closure of nonlinear ensembles,” IMA J. Appl. Math., 53, pp. 45-73.
  • Lynn, J., and Rothmayer, A.P., 1993, “Viscous flows past short-scaled humps and surface blowing,” Eur. J. Mech., B/Fluids, 12(3), pp. 313-321.
  • Rothmayer, A.P., and Black, D.W., 1992, “Ensembles of the Lorenz attractor,” Proc. Roy. Soc., A441, pp. 291-312.
  • Elliott, J.W., Rothmayer, A.P., and Smith, F.T., 1991, “The structure of three-dimensional free-interactions in external, steady, compressible flows,” Eur. J. Mech. B/Fluids, 10(3), pp. 227-251.
  • Rothmayer, A.P., 1990, “Zones of influence in a two-dimensional, unsteady, hypersonic, boundary layer,” Proc. Roy. Soc., A431, pp. 37-59.

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