Curriculum Vitae

Jonathan Pietarila Graham

CONTACT INFORMATION


Solid Mechanics and Fluid Dynamics (T-3) & Center for Nonlinear Studies (CNLS)
 Los Alamos National Laboratory, MS-B258 Work: +1-(505) 665-1830
 Los Alamos, NM 87545, USA E-mail:

CAREER OBJECTIVE

Apply my experience in high performance computing (HPC), computational fluid dynamics (CFD), scientific programming, and cross-disciplinary research to development projects on challenging problems in a collaborative setting. Communicate understanding of solutions to the people who need them.

PROFESSIONAL EXPERIENCE

Climate, Ocean, and Sea Ice Modeling (COSIM) project, Solid Mechanics and Fluid Dynamics (T-3) & Center for Nonlinear Studies (CNLS), Los Alamos National
Laboratory, Los Alamos, NM USA
CNLS Postdoctoral Research Associate, 2011 -

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Developed software to analyze Large eddy simulations (LES) for ocean applications
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Developed spectral energy transfer analysis code for numerical schemes and supersonic flows

Department of Applied Mathematics & Statistics, Whiting School of Engineering,
The Johns Hopkins University, Baltimore, MD USA
Postdoctoral Fellow, 2010

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$200$-billion-grid-point-equivalent MHD LES computation
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Scientific CFD programming in C and FORTRAN in UNIX/Linux environment
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3D flow visualizations of extreme events in the JHU Turbulence Database Cluster (TDC)

Solar MHD Group, Sun and Heliosphere Department,
Max Planck Institute for Solar System Research, Katlenburg-Lindau, Germany
Postdoctoral Fellow, 2007 - 2010

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Developed compressible MHD spectral energy transfer analysis mixed C/FORTRAN code
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Validated MHD subgrid model to achieve results at 1% computational cost
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Hybrid MPI/OpenMP FORTRAN parallel coding & computing (thousands of processors)

Turbulence Numerics Team, Institute for Mathematics Applied to Geosciences,
National Center for Atmospheric Research, Boulder, CO USA
Graduate Research Assistant, 2004 - 2007

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Contributed to existing parallel FORTRAN90 projects in (magneto-)hydrodynamics
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MATLAB numerical analysis projects

High Altitude Observatory, National Center for Atmospheric Research, Boulder, CO USA
Associate Scientist, 1999 - 2004

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Developed embarrassingly parallel MPI code to determine spectral line selection for satellite
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Interpreted scientific language programming (IDL) for helioseismology data reduction

Research Applications Program, National Center for Atmospheric Research, Boulder
Systems Administrator 1996 - 1999

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C/C++ & Perl scripting software development projects; Linux system administration

University Center for Laser Research, Oklahoma State University, Stillwater, OK USA
Systems Programmer, 1994-1995
Undergraduate Research Assistant, 1991-1993

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Scientific nonlinear optics programming in C and FORTRAN in UNIX environment
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UNIX systems administration

EDUCATION

University of Colorado, Applied Mathematics Department, Boulder, CO USA
Ph.D. in Applied Mathematics, 11 August 2007$\qquad$GPA 3.8/4
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Dissertation: Regularizations as subgrid models for turbulent flows, NCAR CT-177 download thesis
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Advisor: Annick Pouquet
Masters of Science in Applied Mathematics, August 2005$\qquad$GPA 3.6/4
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Thesis: Turbulent intermittency in the Lagrangian-averaged alpha model, NCAR CT-176 download thesis
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Advisor: Annick Pouquet

Oklahoma State University, Department of Physics, Stillwater, OK USA

Bachelor of Science in Physics with Honors, December 1993$\qquad$GPA 3.9/4
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Undergraduate Honors Thesis: Controlling Chaos
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Advisor: Donna Bandy

MEMBERSHIPS

Society for Industrial and Applied Mathematics (SIAM)
American Physical Society (APS)
American Geophysical Union (AGU)

REFEREED PUBLICATIONS

  1. Jonathan Pietarila Graham and Todd Ringler, A framework for the evaluation of turbulence closures used in mesoscale ocean large-eddy simulations, submitted to Ocean Modeling; arXiv:1207.5852. ADS

  2. Anna Pietarila and Jonathan Pietarila Graham, Instrumental and observational artifacts in quiet Sun magnetic flux cancellation functions, accepted Solar Physics

  3. Jonathan Pietarila Graham, Eric G. Blackman, Pablo D. Mininni, and Annick Pouquet, Not much helicity is needed to drive large scale dynamos, Phys. Rev. E 85, 066406, 2012; arXiv:1108.3039. ADS

  4. J. Pietarila Graham, P. D. Mininni, and A. Pouquet, High Reynolds number magnetohydrodynamic turbulence using a Lagrangian model, Phys. Rev. E 84, 016314, 2011; arXiv:1102.5581. ADS

  5. R. Moll, J. Pietarila Graham, J. Pratt, R. H. Cameron, W.-C. Müller, and M. Schüssler, Universality of the Small-Scale Dynamo Mechanism, ApJ 736, 36, 2011; arXiv:1105.0546. ADS

  6. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, The effect of subfilter-scale physics on regularization models, J. Sci. Comp. 49, 21-34, 2011; arXiv:1003.0335. ADS

  7. Jonathan Pietarila Graham, Robert Cameron, and Manfred Schüssler, Turbulent small-scale dynamo action in solar surface simulations, ApJ 714, 1606, 2010; arXiv:1002.2750. ADS


    19 citations (ADS)

  8. Jonathan Pietarila Graham, Sanja Danilovic, and Manfred Schüssler, Turbulent magnetic fields in the quiet Sun: implications of Hinode observations and small-scale dynamo simulations, ApJ 693, 1728-1735, 2009; arXiv:0812.2125. ADS

    35 citations (ADS)

  9. Jonathan Pietarila Graham, Pablo D. Mininni, and Annick Pouquet, Lagrangian-averaged model for magnetohydrodynamic turbulence and the absence of bottlenecks, Phys. Rev. E 80, 016313, 2009; arXiv:0806.2054. ADS

  10. J. Pietarila Graham, D. D. Holm, P. Mininni, and A. Pouquet, Three regularization models of the Navier-Stokes equations, Phys. Fluids 20, 035107, 2008; arXiv:0709.0208. ADS

    Copyright 2008) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The article may be found at AIP's official online abstract. 13 (WOS)

  11. Jonathan Pietarila Graham, Darryl D. Holm, Pablo D. Mininni, and Annick Pouquet, Highly turbulent solutions of the Lagrangian-averaged Navier-Stokes α model and their large-eddy-simulation potential, Phys. Rev. E 76, 056310, 2007; arXiv:0704.1928. ADS

    16 ctns (WOS)

  12. J. Pietarila Graham, D. D. Holm, P. Mininni, and A. Pouquet, Inertial range scaling, Kármán-Howarth theorem, and intermittency for forced and decaying Lagrangian Averaged magnetohydrodynamic equations in two dimensions, Phys. Fluids 18, 045106, 2006;
    arXiv:physics/0508173. ADS

  13. Norton, A. A., J. Pietarila Graham, R. K. Ulrich, J. Schou, S. Tomczyk, Y. Liu, B. W. Lites, A. López Ariste, R. I. Bush, H. Socas-Navarro, and P. H. Scherrer, Spectral Line Selection for HMI: A Comparison of FeI 6173 Å and NiI 6768 Å, Solar Physics 239, 69-91, 2006; arXiv:astro-ph/0608124. ADS

    25 citations (ADS)

  14. Jonathan Pietarila Graham, Pablo D. Mininni, and Annick Pouquet, Cancellation exponent and multifractal structure in two-dimensional magnetohydrodynamics: direct numerical simulations and Lagrangian averaged modeling, Phys. Rev. E 72, 045301R), 2005; arXiv:physics/0506088. ADS

  15. J. D. Graham, A. López Ariste, H. Socas-Navarro, and S. Tomczyk, Inference of Solar Magnetic Field Parameters from Data with Limited Wavelength Sampling, Solar Physics 208, p. 211-232, 2002. ADS

    13 citations (WOS)

  16. Protsenko, I. E., A. N. Oraevsky, J. D. Graham, and D. K. Bandy, Multistabilities in a Thin Layer Semiconductor Laser with an Inclined External Cavity, Laser Physics 6, p. 1-8, 1996.

  17. Bandy, D. K., J. D. Graham, D. J. Jones, A. N. Oraevsky, and T. Sarkisyan, Dynamics of a Monovelocity Atomic Beam Maser Framed in a Semiclassical Model, Phys. Rev. A 50, p. 685-697, 1994. ADS

h-index 8; 159 citations (Web Of Science / Astrophysics Data System)

CONFERENCE PROCEEDINGS

  1. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, The effect of subfilter-scale physics on regularization models, Proceedings of the Quality and Reliability of Large-Eddy Simulations II 2009 Workshop, Springer; ERCOFTAC 16, ADS

  2. Jonathan Pietarila Graham, Sanja Danilovic, and Manfred Schüssler, The small-scale solar surface dynamo, Proceedings of The Second Hinode Science Meeting: Beyond Discovery-Toward Understanding, ed. B. Lites, M. Cheung, T. Magara, J. Mariska, and K. Reeves, ASP Conf. Ser. Vol. 415, p. 43, 2009; arXiv:1003.0347. ASP, ADS

  3. Pouquet, A., Baerenzung, J., Pietarila Graham, J., Mininni, P., Politano, H., and Ponty, Y., Modeling of anisotropic turbulent flows with either magnetic fields or imposed rotation, Proceedings of the TI2009 Conference in "Notes on Numerical Fluid Mechanics and Multidisciplinary Design," Springer; arXiv:0904.4860. NNFM; ADS; manuscript

  4. Norton, A. A., J. D. Pietarila Graham, R. K. Ulrich, J. Schou, S. Tomczyk, Y. Liu, B. W. Lites, A. López Ariste, R. I. Bush, H. Socas-Navarro, and P. H. Scherrer, Spectral Line Selection for HMI, Proceedings of Solar Polarization 4, ed. R. Casini and B. W. Lites, ASP Conf. Ser. Vol. 358, p. 193, 2006. ADS; ASP

  5. Rees, D., Y. Guo, A. López Ariste, and J. Graham, Real Time Stokes Inversion Using Multiple Support Vector Regression, Proceedings of the Eighth International Conference on Knowledge-Based Intelligent Information & Engineering Systems, Wellington, New Zealand, 2004. manuscript

  6. J. D. Graham, A. A. Norton, A. López Ariste, B. Lites, H. Socas-Navarro, and S. Tomczyk, The Helioseismic and Magnetic Imager (HMI) on SDO: Full Vector Magnetography with a Filtergraph Polarimeter, Proceedings of the Third International Workshop on Solar Polarization, ed. J. Trujillo-Bueno and J. Sanchez-Almeida, ASP Conf. Ser. Vol. 307, p.131, 2003. ADS

INVITED CONFERENCE TALKS

  1. Jonathan Pietarila Graham, Spectral flux and error-landscape of 2D LES, Connections Between Regularized and Large-Eddy Simulation Methods for Turbulence, Banff, Canada, May 2012. video

  2. Jonathan Pietarila Graham, Robert Cameron, Sanja Danilovic, and Manfred Schüssler, Small-scale dynamo action in solar surface simulations, Self-Organization in Turbulent Plasmas and Fluids, Dresden, Germany, May 2010. slides

  3. Jonathan Pietarila Graham, Sanja Danilovic, Manfred Schüssler, and Alexander Vögler, The solar surface dynamo (Keynote), Second Hinode Science Meeting, Boulder, USA, September 2008. slides

PRESENTATIONS AND POSTERS

  1. Jonathan Pietarila Graham and Todd Ringler, Spectral Flux of 2D Turbulence Models, Los Alamos Stellar Hydrodynamics Workshop, Santa Fe, USA April 2012.

  2. Jonathan Pietarila Graham and Todd Ringler, Spectral flux of barotropic vorticity closures (poster), American Geophysical Union Fall Meeting, #NG43B-1482, San Francisco, USA, December 2011.

  3. Jonathan Pietarila Graham, Eric Blackman, Pablo Mininni, and Annick Pouquet, Negligible kinetic helicity can drive large-scale dynamos, American Physical Society Four Corners Meeting, Tucson, USA, October 2011. ADS

  4. Jonathan Pietarila Graham, Rainer Moll, Jane Pratt, Robert Cameron, Wolf-Christian Müller, and Manfred Schüssler, Universality of the Small-Scale Dynamo Mechanism (poster), Solar Physics Division Meeting, Las Cruces, USA, June 2011. pdf ADS

  5. Jonathan Pietarila Graham, Rainer Moll, Robert Cameron, and Manfred Schüssler, Small-scale dynamo in solar surface simulations, American Geophysical Union, Fall Meeting, San Francisco, USA, December 2010. pdf ADS

  6. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Lagrangian-averaged Large Eddy Simulations for fluid/magnetofluid turbulence, Research Unit 1048: Instabilities, Turbulence and Transport in Cosmic Magnetic Fields Seminar, Bochum, Germany, June 2010. slides

  7. Jonathan Pietarila Graham, Robert Cameron, Sanja Danilovic, and Manfred Schüssler, Turbulent Small-scale Dynamo (SSD) Action in Solar Surface Simulations, Joint Geophysical Turbulence Program and High Altitude Observatory Seminar, Boulder, USA, February 2010. slides

  8. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, The effect of subfilter-scale properties on regularization models, Quality and Reliability of Large Eddy Simulations II, Pisa, Italy, September 2009. slides

  9. Jonathan Pietarila Graham, Robert Cameron, and Manfred Schüssler, Transfer analysis of a local surface dynamo, German physical society (DPG), Extraterrestrial Physics and Plasma Physics Spring Conference, Greifswald, Germany, April 2009. slides

  10. Jonathan Pietarila Graham, Sanja Danilovic, and Manfred Schüssler, How well do Zeeman measurements reflect the turbulent solar magnetic field? (poster), 12th European Solar Physics Meeting, Freiburg, Germany, September 2008. pdf ADS

  11. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, MHD turbulence: What is it? Why do we care? What can we do about it?, Oberseminar Extraterrestrische Physik, Institut für Geophysik und Meteorologie, Universität zu Köln, Germany, April 2008.

  12. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Lagrangian-averaged modeling for hydrodynamics and MHD, 10. MHD-Tage, Max-Planck-Institut für Plasmaphysik, Garching, Germany, November 2007.

  13. Jonathan Pietarila Graham, Regularization subgrid modeling for turbulence, Geophysical Turbulence Program Seminar, National Center for Atmospheric Research, Boulder, USA, August 2007.

  14. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Three regularizations as turbulent subgrid models, American Physical Society, APS March Meeting, #B30.004, Denver, USA, March 2007. ADS

  15. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Regularizations as subgrid models for turbulent flows, Dynamics Seminar, Dept. of Applied Mathematics, University of Colorado at Boulder, USA, February 2007.

  16. Jonathan Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Three regularization models as large-eddy simulations, American Physical Society, 59th Annual DFD Meeting, #GO.3, Tampa Bay, USA, November 2006. ADS

  17. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, MHD Turbulence and the α-model, Seminar, Nordita, Stockholm, Sweden, October 2006.

  18. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, MHD Turbulence and the α-model, Seminar, Instituto de Astrofísica de Canarias, Tenerife, Spain, October 2006.

  19. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Intermittency in MHD turbulence: DNS and Lagrangian averaged modeling, Modeling magnetohydrodynamic turbulence; application to planetary and stellar dynamos, Geophysical Turbulence Program Workshop, National Center for Atmospheric Research, Boulder, USA, June 2006.

  20. Jonathan Pietarila Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Intermittency in turbulence: DNS and Lagrangian averaged modeling, Center for Nonlinear Analysis Summer School, Carnegie Mellon University, Pittsburgh, USA, May 2006.

  21. Jonathan Graham, Darryl Holm, Pablo Mininni, and Annick Pouquet, Intermittency in magnetohydrodynamic turbulence: DNS and Lagrangian averaged modeling, American Physical Society, 47th Annual DPP Meeting, #RO2.004, Denver, USA, October 2005. ADS

  22. Liu, Y., Norton, A. A., Tomczyk, S., Bush, R. I., Graham, J. D., Lites, B. W., López Ariste, A., Scherrer, P. H., Schou, J., Socas-Navarro, H., Ulrich, R. K., The Choice of the Spectral Line for the HMI/SDO: from Observational Point of View, 4th Solar Polarization Workshop, Boulder, USA, September 2005.

  23. Norton, A. A., J. D. Graham, B. W. Lites, H. Socas-Navarro, and S. Tomczyk, Vector Magnetometry with HMI (poster), NASA LWS Science Workshop, Boulder, USA, March 2004.

  24. Bush, R., P. Scherrer, J. Schou, Y. Liu, S. Tomczyk, J. Graham, and A. Norton, Vector Magnetic Field Measurement Capability of the Helioseismic and Magnetic Imager on SDO, American Geophysical Union Fall Meeting, #SH52A-0464, 2002. ADS

  25. J. D. Graham, The Helioseismic & Magnetic Imager (HMI) on SDO: Proof of Concept & Line Selection, Third International Workshop on Solar Polarization, Puerto de La Cruz, Spain, October 2002.

  26. J. D. Graham, B. W. Lites, A. López Ariste, A. Norton, H. Socas-Navarro, and S. Tomczyk, Inference of Solar Vector Magnetic Fields with Filtergraph Instruments (poster), AAS Meeting 200, #56.11; Bulletin of the AAS, Vol. 34, p.736, Albuquerque, USA, June 2002. ADS

  27. J. D. Graham, Inference of Solar Magnetic Fields from Data with Limited Wavelength Sampling, Department of Physics Seminar, Stanford University, Palo Alto, USA, February 2002.

MISCELLANEOUS

Refereed articles for Journal of Computational Physics, Physics of Fluids, Physics of Plasmas, Astronomy & Astrophysics, and Astrophysical Journal Letters. Refereed proposals for the American Chemical Society Petroleum Research Fund and the Philosophical Transactions of the Royal Society A.

Minicourses: Computational Methods in Astrophys., SOLAIRE, Bochum, 3-14 March 2008; Conceptual Aspects of Turbulence: Mean Fields vs. Fluctuations, Wolfgang Pauli Institute, Vienna, 11-15 Feb. 2008; Turbulence: Concepts & Methods, Wolfgang Pauli Inst., Vienna, 8-10 Oct. 2007

2001, 2003 - Advanced Stokes Polarimeter at the Dunn Solar Telescope, Sacramento Peak Solar Observatory, Sunspot, NM. Simultaneous observations of 6768 Å Ni I line and 6173 Å Fe I line to determine line selection for HMI.


Jonathan Graham 2012-07-27