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«University of Nevada, Reno, NV Education Ph.D. Physics • Dissertation: Thermally induced nonlinear elastic response in Berea sandstone • ...»

Timothy James (TJ) Ulrich II

Contact Los Alamos National Laboratory Mobile: (505) 603-2502

Information Geophysics Group EES-17, MS D443 Office: (505) 665-5535

Los Alamos, NM 87545 tju@lanl.gov

Applied Condensed Matter Physics: Investigating the physical phenomena of nonlinear elasticity

Research

(e.g., elastic wave mixing, modulus softening, slow dynamics and hysteresis). Developing experiInterests mental tools and techniques using Time Reversal (TR) and Nonlinear Elastic Wave Spectroscopy (NEWS) (e.g., Nondestructive Evaluation, Geophysics, Medicine). Acoustic signal processing.

Superconducting magnetic levitation nonlinear oscillators.

University of Nevada, Reno, NV Education Ph.D. Physics

• Dissertation: Thermally induced nonlinear elastic response in Berea sandstone

• Graduation date: August 2004

• Advisors: Dr. Katherine R. McCall M.S. Physics

• Thesis: Experimental determination of the elastic properties of rocks using Resonant Ultrasound Spectroscopy

• Graduation date: December 2000

• Advisors: Dr. Katherine R. McCall B.S., Materials Science & Engineering, 1997 2008 Los Alamos Achievement Award (technological advances in acoustic imaging) Honors and 2008 Research featured in LANL Science & Technology Magazine: 1663 (august issue) Awards 2008 Los Alamos Spot Award (outstanding performance and presentation in a scientific review) 2007, 2006, 2005 Invited Scholar (Centre National de Rechearche Scientifique, Univ. of Paris VI) 2002 Outstanding Student Paper Award (American Geophysical Union Fall Meeting) 2002 PASS 2002 scholarship recipient (National Center for Physical Acoustics) 2001 NASA Space Grant Fellowship (NASA Space Grant Consortium) 1998 – 2001 Mackenzie Scholarship for Physics 1998 – 1999 Regents Scholar Award 1998 – 1999 Elected to Graduate Student Council (College of Arts & Science Represenatative) 1990 – 1993 Symphonic Band Scholarship 1990 – 1991 Presidential Scholarship Los Alamos National Laboratory Professional Experience Technical Staff Member (Scientist Level 2) March, 2008 – present

• Developing applications for stockpile stewardship using nonlinear elasticity experimental techniques.

• Developing superconducting seismic sensor using magnetic levit

–  –  –

Ulrich, T., Van Den Abeele, K., Le Bas, P.-Y., Griffa, M., Anderson, B.E., Guyer, R.A., Three component time reversal: focusing vector components using a scalar source., manuscript in review.

Delsanto, P-P., Gliozzi, A., and Ulrich, T., Elastic response to temperature of granular media:

an analysis based on the phenomenological universality, manuscript in review.

–  –  –

Scalerandi, M. Gliozzi, A., Griffa, M., Anderson, B.E., and Ulrich, T., Selective source reduction to identify masked sources using time reversed acoustics, J. Phys. D: Appl. Phys. 41 (2008).

–  –  –

Ulrich, T., Johnson, P.A., and Guyer, R.A., Interaction dynamics of elastic waves with a complex nonlinear scatterer through the use of a time reversal mirror, Phys. Rev. Lett., 98, 104301 (2007).

Ulrich, T., Johnson, P.A., and Sutin, A.M., Imaging nonlinear scatterers applying the time reversal mirror, J. Acoust. Soc. Am., 119, 1514-1518 (2006).

Ulrich, T., McCall, K.R., and Guyer, R.A., Determination of elastic moduli of rock samples using resonant ultrasound spectroscopy, J. Acoust. Soc. Am., (2002).

–  –  –

Ulrich, T., Saleh, T., Claytor, T., Papin, P., and TenCate, J., Investigation of diffusion bond strength using the Time Reversed Elastic Nonlinearity Diagnostic, LANL internal report, (2007).

Anderson, B.E., Scalerandi, M. Gliozzi, A., Griffa, M., Ulrich, T., and Johnson, P.A., Selective source reduction to identify masked sources using time reversed acoustics (TRA), Reviews of Progress in Quantitative Non-Destructive Evaluation, (2007).

TenCate, J., Ulrich, T., Sutin, A., and Johnson, P., Nonlinear elastic techniques for investigating diffusion bond strength, LANL internal report: LA-UR-06-7670, (2006).

Ulrich, T., Johnson, P.A., and Sutin, A.M., Imaging and characterizing damage using time reversed acoustics, Reviews of Progress in Quantitative Nondestructive Evaluation, (2006).

Ulrich, T., Broken symmetry in the elastic response to temperature of consolidated granular media, Proceeding of the 17th International Symposium on Nonlinear Acoustics, American Institute of Physics, (2006). **invited Ulrich, T., Chandra, D., and Imam, A., Elastic constant measurements of Ti 6-2-1-1 using resonant ultrasound spectroscopy, Ti-2003 Science and Technology, Vol. 3, (2003).

Presentations Oral:

Advances in time reversal nonlinear elastic wave spectroscopy (TR NEWS) for application to nonlinear non-destructive evaluation, imaging and source complexity. P. Johnson, T. Ulrich, B.E.

Anderson, 19th International Congress on Acoustics, Madrid, Spain, September 2007. **invited Monitoring fatigue damage in cortical bone using Nonlinear Elastic Wave Spectroscopy. T. Ulrich, P. Johnson, M. Muller, P. Laugier, M. Talmant, D. Mitton, 19th International Congress on Acoustics, Madrid, Spain, September 2007. **invited Improving focal determination in time reversed acoustic signals, T. Ulrich, B.E. Anderson, P.





Johnson, Quantitative Non-Destructive Evaluation 2007, Golden, CO, July 2007.

Experimental Time Reversal in solids, T. Ulrich, B.E. Anderson, P. Johnson, 12th International Workshop on Nonlinear Elastic Materials, Ajaccio, France, June 2007.

–  –  –

Imaging and characterizing damage using time reversed acoustics, T. Ulrich, P.A. Johnson, A.M.

Sutin, Quantitative Non-Destructive Evaluation 2006, Portland, OR, July 2006.

Nonlinear dynamics of cracks and time reversed acoustic imaging, T. Ulrich, P.A. Johnson, R.A.

Guyer, Quantitative Non-Destructive Evaluation 2006, Portland, OR, July 2006.

Time reversed acoustics and nondestructive evaluation, T. Ulrich, Los Alamos National Laboratory Engineering Institute summer school, June 2006. **invited Nonlinear dynamics and time reversed elastic nonlinearity diagnostics, T. Ulrich, P. Johnson, R.

Guyer, A. Sutin, 11th International Workshop on Nonlinear Elastic Materials, Sorrento, Italy, June 2006.

Investigating fatigue damage in nickel based superalloys using nonlinear resonant ultrasound spectroscopy, T. Saleh, P. Johnson, J. Tencate, T. Ulrich, A. Sutin, 11th International Workshop on Nonlinear Elastic Materials, Sorrento, Italy, June 2006.

Reciprocity, nonlinearity and time reversal, T. Ulrich, P. Johnson, R. Guyer, A. Sutin, 10th International Workshop on Nonlinear Elastic Materials, Taormina, Italy, July 2005.

Elasticity as a function of grain size in polycrystalline copper, G. Kaplan, G. Mishra, T.J. Ulrich, K.R. McCall, 10th International Workshop on Nonlinear Elastic Materials, Taormina, Italy, July 2005.

Broken symmetry in the elastic response to temperature of consolidated granular media, TJ Ulrich, K.R. McCall, R.A. Guyer, 17th International Symposium on Nonlinear Acoustics, Penn State University, July 2005. **invited Thermally induced nonlinear elastic response in berea sandstone, T.J. Ulrich, K.R. McCall, R.A.

Guyer, 9th International Workshop on Nonlinear Elastic Materials, Karlskrona, Sweden, June 2004.

Temperature dependant elastic behavior and thermal equilibrium of granular materials, 8th International Workshop on Mesoscopic Nonlinear Elastic Materials, Santa Fe, NM, July 2003.

Elastic constant measurements of Ti and Ti alloys using resonant ultrasound spectroscopy, TJ Ulrich, Dhanesh Chandra, Imam Ashraf, Ti-2003, World conference on Titanium, Hamburg, Germany, July 2003.

Low temperature elastic behavior of rocks, TJ Ulrich, K.R. McCall, R.A. Guyer, Fall meeting of the American Geophysical Union, San Francisco, CA, December 2002. **invited Further investigation into the elastic behavior of rocks below room temperature, 7th International Workshop on Mesoscopic Nonlinear Elastic Materials, Riva Del Garda, Italy, August 2002.

Nonlinear effects and the temperature dependence of the second-order elastic constants of rocks, T.W. Darling, TJ Ulrich, 6th International Workshop on Mesoscopic Nonlinear Elastic Materials, Leuven, Belgium, June 2001.

RUS on rocks, TJ Ulrich, K.R. McCall, 4th annual conference on nonlinear mesoscopic elasticity, Institute of Geophysics and Planetary Physics, Los Alamos National Laboratory, 1999.

–  –  –

Displacement Field Reciprocity, Nonlinearity, and Time Reversal: An Experimental Exploration, T. Ulrich, R. Guyer, Fall Meeting of the American Geophysical Union, San Francisco, CA, December 2005.

Elasticity as a function of grain size in polycrystalline copper, G. Kaplan, G. Mishra, TJ Ulrich, and K.R. McCall, March Meeting of the American Physical Society, March 2005.

Optical studies of f-electron metals under high pressure, E. Emmons, T. Cowan, S. Duvvuri, G.

Kaplan, R. Kraus, N. LeGalloudec, K. McCall, G. Mishra, J. Thompson, T.J. Ulrich, and A.

Covington, March Meeting of the American Physical Society, March 2005.

Identifying phase transitions and kinetics in Cerium metal using resonant ultrasound spectroscopy, G. Mishra, G. Kaplan, TJ Ulrich, and K.R. McCall, March Meeting of the American Physical Society, March 2005.

Anomalous thermal relaxation induced by the granular composition of berea sandstone, TJ Ulrich, K.R. McCall, and R.A. Guyer, Fall Meeting of the American Geophysical Union, San Francisco, CA, December 2003.

Anomalous elastic behavior of rocks below room temperature, TJ Ulrich, T.W. Darling, and K.R.

McCall, Fall Meeting of the American Geophysical Union, San Francisco, CA, December 2001.

Slow Dynamics and Nonlinearity in Rocks: Response to Changes of Humidity J A TenCate, T W Darling, T J Ulrich, T J Shankland, Fall meeting of the American Geophysical Union, December, 2000.

Optimizing success with resonant ultrasound spectroscopy on rock samples, TJ Ulrich, I. Santos and K.R. McCall, Fall Meeting of the American Geophysical Union, San Francisco, CA, December 1999, and Fall Meeting of the Geological Society of America, Reno, NV October 2000.

Application of resonant ultrasound spectroscopy (RUS) to determine the elastic properties of rock samples, TJ Ulrich, K.R. McCall, P.A. Johnson, T.W. Darling, and A. Migliori, Fall meeting of the American Geophysical Union, San Francisco, CA, December 1998.

Summary of in situ observations of cirrus microphysics during FIRE II: instrumental response, W.P. Arnott, TJ Ulrich, R. Cole, J. Hallett and M.R. Poellot, American Meteorological Society Conference on cloud Physics, Everett, WA, August 1998.



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