Research Interests
Nonequilibrium Pattern Formation and Spatiotemporal Chaos in Fluid Convection
Nonlinear Dynamics
Nanoscale Physics for Biological Applications
Statistical Physics
Computational Systems Biology
Fluid Dynamics
Micro and nanoscale technologies
Some Recent Events
- I am a co-organizer of the annual Fall Fluids Symposium at Virginia Tech which is now in its third year, see the Symposium website for more details. Co-organizers are Pavlos Vlachos and Mark Stremler.
- I have organized some sessions on fractals and chaos for middle school and high school students. All events were held at Virginia Tech. Here is more information:
- The 2009 Women in Computing Day, here is what we did. Nearly 100 middle school girls attended, the program is run by Association for Women in Computing.
- The 2009 C-Tech2 program, here is what we did. Over 25 high school girls attended, the program is run by the Center for the Enhancement of Engineering Diversity (CEED).
- The 2009 NASA Inspire program, here is what we did. Over 40 high school students attended, the program is run by the Center for the Enhancement of Engineering Diversity (CEED).
- The 2009 Imagination program, here is what we did. Over 80 middle school students attended, the program is run by the Center for the Enhancement of Engineering Diversity (CEED).
Recent Teaching
Graduate Fluid Dynamics, ME 5404, sample syllabus and course outline.
Modeling MEMS and NEMS, ME/ESM/SBES 5764, sample syllabus and course outline.
Spatiotemporal Chaos, ME 6984, sample syllabus and course outline. Here are some numerical demonstrations that illustrate some important concepts about spatiotemporal chaos. These are written as java applets and can be run from any java-enabled browser.
Introduction to Thermal and Fluid Engineering, ME 2124, sample syllabus and course outline.
Professional Experience
Associate Professor, Virginia Tech, (2009-present)
Assistant Professor, Virginia Tech, (2004-2009)
Post-doc, Theoretical Physics, Caltech, (2000-2004)
Post-doc, Theoretical Physics, Duke University, (2000-2001)
PhD, Mechanical Engineering, UCLA, (2000)
MS, Mechanical Engineering, UCLA, (1994)
BS, Aerospace Engineering, UCLA (1993)
Current Group Members
Postdocs
Dr. Debashis Barik (co-advised with John Tyson and Bill Baumann)
Dr. Sandip Kar (co-advised with John Tyson and Bill Baumann)
PhD Students
Alireza Karimi
Himanshu Tiwari
Kartik Subramanian
Prior Group Members
PhD Students:
Dr. Matthew Clark (PhD, 2008), currently a postdoc in the Chemical Engineering Department at the University of Virginia.
Dr. Nastaran Hashemi (PhD, 2008), currently a post-doctoral researcher at the Naval Research Laboratory.
Dr. Andrew Duggleby (PhD, 2006), currently Assistant Professor of Mechanical Engineering at Texas A&M University
Masters Students:
Margarita Villa (MS, 2009), currently an engineer at Areva.
Nicholas O'Connor (MS, 2008), currently an engineer at Freudenberg-NOK.
Carlos Carvajal (MS, 2007), currently an engineer at Eastman Chemical Company
Magnus Einarsson (MS, 2006), currently working in industry in Iceland
Undergraduate Students:
John Bowen (undergraduate research, 2008-2009)
Brian Pering (undergraduate research, 2009)
Brnadon Holt (undergraduate research, 2009)
Corbin Clawson (summer undergraduate research, 2006), currently a graduate student at University of California at San Diego
Journal Papers
- M.T. Clark, J.E. Sader, J.P. Cleveland, and M.R. Paul, The spectral properties of microcantilevers in viscous fluid, submitted (2009).
- D. Barik, W.T. Baumann, M.R. Paul, B. Novak, and J.J. Tyson, A model of yeast cell cycle regulation based on multisite phosphorylation, submitted (2009).
- A. Karimi, and M.R. Paul, Deviations from extensive chaos in the Lorenz-96 Model, submitted, (2009). (A preprint is available here.)
- A. Duggleby and M.R. Paul, The consequences of finite-time proper orthogonal decomposition for an extensively chaotic flow field, submitted, (2009). (A preprint is available here.)
- S. Misra, H. Dankowicz, and M.R. Paul, Degenerate discontinuity-induced bifurcations in
tapping-mode atomic-force microscopy, to appear Physica D, (2010).
- M.M. Villa and M.R. Paul, The stochastic dynamics of micron scale doubly-clamped beams in a viscous fluid, Physical Review E, 79, 056314, (2009) (pdf).
- H. Dankowicz and M.R. Paul, Discontinuity-induced bifurcations in systems with hysteretic
force interactions, Journal of Computational and Nonlinear Dynamics, 4 (2009).
- S. Kar, W.T. Baumann, M.R. Paul, and J.J. Tyson, Exploring the Roles of Noise in the Eukaryotic
Cell Cycle, Proceedings of the National Academy of Sciences, (2009). (Available here.)
- N. Hashemi, M.R. Paul, H. Dankowicz, M. Lee, W. Jhe, The Dissipated Power in Atomic Force
Microscopy due to Interactions with a Capillary Fluid Layer, Journal of Applied Physics,
104, 063518, (2008) (pdf).
- D. Barik, M.R. Paul, W.T. Baumann, Y. Cao, and J.J. Tyson, Stochastic Simulation of
Enzyme-Catalyzed Reactions with Disparate Time Scales, Biophysical Journal,
95, 3563-3574, (2008). (pdf)
- M.T. Clark and M.R. Paul, The Stochastic Dynamics of Rectangular and V-shaped Atomic
Force Microscope Cantilevers in a Viscous Fluid and Near a Solid Boundary,
Journal of Applied Physics, 103, 094910, (2008) (pdf).
- N. Hashemi, H. Dankowicz and M.R. Paul, The Nonlinear Dynamics of Tapping Mode
Atomic Force Microscopy with Capillary Force Interactions, Journal of Applied Physics,
103, 093512, (2008) (pdf).
- S. Misra, H. Dankowicz, and M.R. Paul, Event-Driven Feedback Tracking and Control of
Tapping-Mode Atomic Force Microscopy, Proceedings of the Royal Society A, 2095,
2113-2133, (2008) (pdf).
- M.R. Paul, M.I. Einarsson, M.C. Cross and P.F. Fischer, Extensive Chaos in Rayleigh-Benard
Convection, Physical Review E, 75, 045203, (2007) (pdf).
- A. Duggleby, K.S. Ball, M.R. Paul, and P.F. Fischer, Dynamical Eigenfunction Decomposition of
Turbulent Pipe Flow, Journal of Turbulence, 8, 43, 1-25, (2007). (pdf)
- M.T. Clark and M.R. Paul, The Stochastic Dynamics of an Array of Atomic Force Microscopes
in a Viscous Fluid, International Journal of Nonlinear Dynamics, 42, 690-696, (2006).
(pdf)
- A. Duggleby, K.S. Ball, and M.R. Paul, The effect of spanwise wall oscillation on turbulent
pipe flow structures resulting in drag reduction, Physics of Fluids, 19, 125107, (2007).
(pdf)
- M.R. Paul, M.T. Clark, and M.C. Cross, The stochastic dynamics of micron and nanoscale elastic
cantilevers in fluid: fluctuations from dissipation, Nanotechnology, 17, 4502-4513, (2006).
(pdf)
- J.E. Solomon and M.R. Paul, The Kinetics of Analyte Capture on Nanoscale Sensors, Biophysical
Journal, 90, (2006). (pdf)
- M.R. Paul, K.-H. Chiam, M.C. Cross, and P.F. Fischer, Rayleigh-Benard
Convection in Large-Aspect-Ratio Domains, Physical Review Letters, 93, 064503-2, (2004).
(pdf)
- M.R. Paul and M.C. Cross, Stochastic Dynamics of Nanoscale Mechanical Oscillators Immersed in a
Viscous Fluid, Physical Review Letters, 92, 235501, (2004). (pdf)
- M.R. Paul and I. Catton, The Relaxation of Two-Dimensional Rolls in Rayleigh-Benard Convection,
Physics of Fluids, 16, 1262, (2004). (pdf)
- J.D. Scheel, M.R. Paul, M.C. Cross, and P.F. Fischer, Traveling Waves in Rotating Rayleigh-Benard
Convection: Analysis of Modes and Mean Flow, Physical Review E, 68, 066216, (2003).
(pdf)
- M.R. Paul, K.-H. Chiam, M.C. Cross, P.F. Fischer, and H.S. Greenside, Pattern Formation and
Dynamics in Rayleigh-Benard Convection: Numerical Simulations of Experimentally Realistic Geometries,
Physica D, 184, 114-126, (2003). (pdf)
- K.-H. Chiam, M. R. Paul, M. C. Cross, and H. S. Greenside, Mean flow and spiral defect chaos in
Rayleigh-Benard convection, Physical Review E, 67, 056206, (2003).
(pdf)
- M.R. Paul, M. C. Cross, and P. F. Fischer, Rayleigh-Benard Convection with a Radial Ramp in Plate
Separation, Physical Review E, 66, 046210 (2002). (pdf)
- M. R. Paul, M. C. Cross, P. F. Fischer and H. S. Greenside, Power
law behavior of power spectra in low Prandtl number Rayleigh-Benard
convection, Physical Review Letters, 87, 154501-1, (2001). (pdf)
- M.R. Paul, F. Issacci, I. Catton, and G.E. Apostolakis,
Characterization of Smoke Particles Generated in Terrestrial and
Microgravity Environments, Fire Safety Journal, 28,
233-252 (1997).
- G.E. Apostolakis, I. Catton, F. Issacci, S. Jones, M.R.
Paul, T. Paulos, and K. Paxton, Risk Based Fire Safety
Experiments, Reliability Engineering and System Safety,
49, 275-291 (1995).
Selected Conference Papers (Peer Reviewed)
- A. Duggleby and M.R. Paul, Exploring Extensive Chaos in Rayleigh-Benard convection using
fractal and Karhunen-Loeve dimensions, XXII International Conference on Theoretical and
Applied Mechanics, Adelaide, Australia, August, 25-29 (2008).
- H. Dankowicz and M.R. Paul, Tapping at the Nanoscale: Discontinuity Induced Degeneracies
in Atomic Force Microscopy, 9th Biennial ASME Conference on Engineering Systems Design and
Analysis, Haifa, Israel, July 7-9 (2008).
- N. Hashemi, M.R. Paul, and H. Dankowicz, Exploring the Basins of Attraction of Tapping
Mode Atomic Force Microscopy with Capillary Force Interactions, ASME International
Mechanical Engineering Congress and Exposition, Seattle, WA, November 11-15 (2007).
- N. Hashemi, M.R. Paul, J. Alcazar, and R. Radovitzky, A Fully Lagrangian Numerical Method
for Calculating the Dynamics of Oscillating Micro and Nanoscal Objects Immersed in Fluid,
ASME International Mechanical Engineering Congress and Exposition, Seattle, WA,
November 11-15 (2007).
Book Chapters (Peer Reviewed)
- M.R. Paul and J.E. Solomon, The Physics and Modeling of BioNEMS, in Nanodevices
for Life Sciences, Wiley-VCH, (2006).
- J.L. Arlett, M.R. Paul, J. Solomon, M.C. Cross, S.E. Fraser, and M.L. Roukes,
Nanomechanical Devices for Single Molecule Biophysics, in Controlled Nanoscale Motion in
Biological and Artificial Systems, Springer-Verlag, as part of Nobel Symposium 131 (2007).
(pdf)
Selected Conference Presentations
- C. Carvajal and M.R. Paul, The Fluid-Coupled Motion of Micro and
Nanoscale Elastic Objects, American Physical Society Division of Fluid Dynamics
Meeting, Salt Lake City, UT, 2007.
- M.M. Smith, M.T. Clark, and M.R. Paul, Quantifying the Dynamics of
Thermoelastically Driven Nanoscale Beams in Fluid, American Physical Society
Division of Fluid Dynamics Meeting, Salt Lake City, UT, 2007.
- M.T. Clark, and M.R. Paul, The Stochastic Dynamics of a Traingular
Atomic Force Microscope Near a Solid Boundary, American Physical Society
Division of Fluid Dynamics Meeting, Salt Lake City, UT, 2007.
- N. OConnor, E. Knobloch, P.F. Fischer, and M.R. Paul, Numerical
Simulations of Viscous Faraday Waves, American Physical Society Division of
Fluid Dynamics Meeting, Salt Lake City, UT, 2007.
- M. R. Paul and M. I. Einarsson, Extensive Chaos in Rayleigh-Benard
Convection, Society of Industrial and Applied Mathematics Meeting on Applied
Dynamical Systems, Snowbird UT, 2007.
- A. Duggleby and M. R. Paul, A Karhunen-Loeve Decomposition of
Spatiotemporal Chaos, Society of Industrial and Applied Mathematics Meeting
on Applied Dynamical Systems, Snowbird UT, 2007.
- N. Hashemi, M.R. Paul, and H. Dankowicz, Quantifying the Dynamics
of Tapping Mode Atomic Force Microscopy, Society of Industrial and Applied
Mathematics Meeting on Applied Dynamical Systems, Snowbird UT, 2007.
- M. Smith M.T. Clark and M.R. Paul, Quantifying the Dynamics of
Thermoelastically Driven Nanoscale Beams in Fluid Summer Undergraduate
Research Program Symposium on Advanced Materials, Virginia Tech, 2007.
- N. Hashemi, H. Dankowicz, and M.R. Paul, A Dynamical Systems
Approach for Tapping Mode Atomic Force Microscopy, Virginia Tech Graduate
Student Research Symposium, March 2007.
- M.T. Clark and M.R. Paul, Exploiting the Stochastic Dynamics
of Microscale Cantilevers for Single Molecule Measurements,
American Physical Society Division of Fluid Dynamics Meeting,
Tampa, FL, November 2006.
- M.R. Paul and M.I. Einarsson, Extensive Chaos is
Rayleigh-Benard Convection, American Physical Society Division of
Fluid Dynamics Meeting, Tampa, FL, November 2006.
- A. Williams, C. Clawson, M.R. Paul, and P. Vlachos, Laminar
mixing via steady streaming - Using an active ionic polymer
actuators, American Physical Society Annual March Meeting,
Baltimore, MD, March 2006.
- A. Duggleby, K. Ball and M.R. Paul, The mechanism of drag
reduction in turbulent pipe flow with spanwise wall oscillation,
American Physical Society Annual March Meeting, Baltimore, MD,
March 2006.
- K. Ball, A. Duggleby, and M.R. Paul, The dynamics of
relaminarization in turbulent pipe flow, American Physical
Society Annual March Meeting, Baltimore, MD, March 2006.
- M. Clark and M.R. Paul, The Stochastic Dynamics of an Array
of Atomic Force Microscope Cantilevers in a Viscous Fluid,
American Physical Society Annual March Meeting, Baltimore, MD,
March 2006.
- M. Einarsson and M.R. Paul, Quantifying Spatiotemporal Chaos
in Rayleigh-Benard Convection, American Physical Society
Annual March Meeting, Baltimore, MD, March 2006.
- N. Hashemi and M.R. Paul, A Numerical Investigation of the
Non-Linear Interaction Forces in Tapping Mode Atomic Force
Microscopy, American Physical Society Annual March Meeting,
Baltimore, MD, March 2006.
- M.R. Paul and M. Clark, The stochastic dynamics of micron
and submicron scale mechanical oscillators, American Physical
Society Annual March Meeting, Los Angeles, CA, March 2005.
- J.D. Scheel, M.C. Cross, M.R. Paul, Lyapunov exponents for
small aspect ratio Rayleigh-Benard convection, American
Physical Society Annual March Meeting, Los Angeles, CA, March
2005.
- M.R. Paul, J.D. Scheel and M.C. Cross, Quantifying
Spatiotemporal Chaos, 57th Annual Meeting of the Division of
Fluid Dynamics, APS, Seattle, WA, 21-23 November 2004.
- M.R. Paul, K.-H. Chiam, M.C. Cross, and P.F. Fischer,
Coarsening in Rayleigh-Benard Convection, Rocky Mountain
Workshop on Dynamics and Bifurcation of Patterns in Dissipative
Systems, Ft. Collins, CO, 19-22 May 2003.
- M.R. Paul, R. Radovitzky, M.C. Cross, The Numerical Design of a Nano-Biodetector,
55th Annual Meeting of the Division of Fluid Dynamics, APS, Dallas, TX, 24-26 November
2002.
- M.R. Paul, R. Radovitzky and M.C. Cross, The Numerical Design of a Nano-Biodetector,
55th Annual Meeting of the Division of Fluid Dynamics, APS, Dallas, TX,
24-26 November 2002.
- J.D. Scheel, M.R. Paul and M.C. Cross, Rotating Convection and Travelling Waves,
55th Annual Meeting of the Division of Fluid Dynamics, APS, Dallas, TX, 24-26
November 2002.
- R. Radovitzky, and M.R. Paul, A Numerical Approach for the Design of Nanomechanical
Biodetectors, Fourteenth U.S. National Congress of Theoretical and Applied Mechanics,
Blacksburg, VA., 23-28 June 2002.
- M. R. Paul, R. Radovitzky, D. Meiron, and M.C. Cross, The Numerical Design of a
Nanoelectromechanical Biodetector, Poster presented at the Nanoscale/Molecular
Mechanics Conference, Maui, HI., 12-17 May 2002.
- M.R. Paul, R. Radovitzky, D. Meiron, M.C. Cross, BioNEMS: The
Design of a Nano-Biodetector, Caltech Computational Molecular Biology Retreat, Buellton,
CA., 25-27 April 2002.
- K.-H. Chiam, M. R. Paul, M. C. Cross, and H. S. Greenside, Mean Flow and Spiral
Defect Chaos in Rayleigh-Benard Convection, 54th Annual Meeting of the Division of
Fluid Dynamics, APS, San Diego, CA, 18-20 November 2001.
- M.R. Paul, M.C. Cross, Rayleigh-Benard Convection with a Radial Ramp in Plate Separation,
Sixth SIAM Conference on Applications of Dynamical Systems, Snowbird Utah, May 20-24 2001.
- M.R. Paul, M.C. Cross and H.S. Greenside, A Numerical Investigation of Low Prandtl Number
Rayleigh-Benard Convection in Cylindrical Domains, Poster presented at Dynamic Days 2001,
Chapel Hill, North Carolina, Jan 2-6 2001.
Selected Seminars and Colloquia
- M.R. Paul, The Stochastic Dynamics of Nanoscale Systems: Fluctuations from Dissipation
Yale University, September 2007
Boston University, October 2007
Caltech, December 2006
- M.R. Paul, Spatiotemporal Chaos in Fluid Convection: New Insights from Numerics,
University of Kentucky, April 2007.
- M.R. Paul, Quantifying Spatiotemporal Chaos in Rayleigh-Benard Convection -- New
Insights from Numerics, Georgia Tech, March 2007.
- M.R. Paul, The stochastic dynamics of arrays of micro and nanoscale cantilevers
in a viscous fluid, Caltech, April 2006.
- M.R. Paul, New Insights from Numerics: Spatiotemporal Chaos in Fluid Convection
and the Stochastic Dynamics of Nanoscale Cantilevers, University of California at
Los Angeles, April 2006.
- M.R. Paul, The stochastic dynamics of micron and submicron scale cantilevers in
a viscous fluid, Veeco Metrology, Santa Barbara, CA, November 2005.
- M.R. Paul, Quantifying Spatiotemporal Chaos, Georgia Institute of Technology,
October 2005.
- M.R. Paul, New physical insights from experimentally realistic numerical
simulations of Rayleigh-Benard convection, The Newton Institute of Mathematical
Sciences, Cambridge University, England, August 2005.
- M.R. Paul, The stochastic dynamics of micron and submicron scale mechanical
oscillators, SIAM Conference on Applications of Dynamics Systems, Snowbird, UT,
May 2005.
- M.R. Paul, New physical insights from experimentally realistic numerical
simulations: Spatiotemporal Chaos and BioNEMS, presented to the Civil Engineering
Department at Virginia Tech, January 2005.
- M.R. Paul, New physical insights from experimentally realistic numerical
simulations: Spatiotemporal Chaos and BioNEMS, presented to the Physics Department
at Virginia Tech, December 2004.
- M.R. Paul, New physical insights from experimentally realistic numerical
simulations: Spatiotemporal Chaos and BioNEMS, presented to the Physics Department at
New York University, New York, December 2004.
- M.R. Paul and S. Fraser, BioNEMS: Biofunctionalized Nano Electro Mechanical
Systems, DARPA BioFlips/Simbiosys Conference, Monterey CA, 10-12 September 2003.
- M.R. Paul, Rayleigh-Benard Convection in Large-Aspect-Ratio Domains, Workshop on
Patterns in Physics, The Fields Institute, Toronto Canada, 14 November 2003.
- M.R. Paul, Spatiotemporal Dynamics, Kavli Institute for Theoretical Physics at the
University of California at Santa Barbara, Program on Pattern Formation in Physics and
Biology, 2 October 2003.
- M.R. Paul, Rayleigh-Benard Convection as metaphor for large-aspect-ratio
nonequilibrium dynamics, Trends in Pattern Formation: From Amplitude Equations to
Applications, Max-Planck-Institute for Complex Systems, Dresden Germany, 29
August 2003.
- M.R. Paul, New Insights from Simulations of Rayleigh-Benard Convection,
Seminar given at the Duke Center for Nonlinear and Complex Systems, April 19
2001.
(GPG Public Key)
Last modified
January 24, 2010
Mark Paul