Gary L. Gray
Publications and Talks

Journal Papers

  1. Charles L. Randow, Gary L. Gray, and Francesco Costanzo (2006) "Classifying the Behavior of a Directed Continuum Thin Film Model," submitted to the Journal of Applied Mechanics.

  2. Pedro C. Andia, Francesco Costanzo, and Gary L. Gray (2006) "A Classical Mechanics Approach to the Determination of the Stress-Strain Response of Particle Systems," Modelling and Simulation in Materials Science and Engineering, 14, pp. 741–757.

  3. Charles L. Randow, Gary L. Gray, and Francesco Costanzo (2006) "A Directed Continuum Model of Micro- and Nano-scale Thin Films," International Journal of Solids and Structures, 43(5), pp. 1253–1275.

  4. Pedro C. Andia, Francesco Costanzo, and Gary L. Gray (2005) "A Lagrangian-Based Continuum Homogenization Approach Applicable to Molecular Dynamics Simulations," International Journal of Solids and Structures, 42(24-25), pp. 6409–6432.

  5. Francesco Costanzo, Gary L. Gray, and Pedro C. Andia (2005) "On the Definitions of Effective Stress and Deformation Gradient for Use in MD: Hill's Macro-homogeneity and the Virial Theorem," International Journal of Engineering Science, 43(7), pp. 533–555.

  6. Gary L. Gray, Andrew J. Miller, Thomas J. Yurick Jr., and Suzanne E. Mohney (2004) "Educational Software for Materials Processing," Journal of Materials Education, 26(3-4), pp. 321–330.

  7. Francesco Costanzo, Gary L. Gray, and Pedro C. Andia (2004) "On the Notion of Average Mechanical Properties in MD Simulation via Homogenization," Modelling and Simulation in Materials Science and Engineering, 12, pp. S333–S345.

  8. S. E. Mohney, A. J. Miller, and G. L. Gray (2003) "Software for Teaching Materials Processing and Diffusion," JOM-e, available online at http://www.tms.org/pubs/journals/JOM/0312/Mohney/Mohney-0312.html.

  9. Yurick, Thomas J., Jr., Suzanne E. Mohney, and Gary L. Gray (2001) "Shape Memory Alloy Coils Optimized for Electrical Connectors," IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part A, 24(3), pp. 389–398.

  10. Miller, Andrew J., Gary L. Gray, and Andre P. Mazzoleni (2001) "Nonlinear Spacecraft Dynamics with a Flexible Appendage, Damping, and Moving Internal Submasses," Journal of Guidance, Control, and Dynamics, 24(3), pp. 605–615.

  11. Costanzo, Francesco and Gary L. Gray (2000) "On the Implementation of Interactive Dynamics," International Journal of Engineering Education, 16(5), pp. 385–393.

  12. Kulisic, Igor, Gary L. Gray, Thomas J. Yurick, Jr., and Suzanne E. Mohney (2000) "Performance of a Shape Memory Alloy Coil-Shaped Clamp for Enhanced Normal Force in Pin-and-Receptacle Electrical Connectors," IEEE Transactions on Components, Packaging, and Manufacturing Technology: Part A, 23(2), June, pp. 227–233.

  13. Gray, Gary L., Daniel C. Kammer, Ian Dobson, and Andrew J. Miller (1999) "Heteroclinic Bifurcations in Rigid Bodies Containing Internally Moving Parts and a Viscous Damper," ASME Journal of Applied Mechanics, 66(3), pp. 720–728.

  14. Gray, Gary L. and Francesco Costanzo (1999) "The Interactive Classroom and its Integration into the Mechanics Curriculum," International Journal of Engineering Education, 15(1), pp. 41–50.

  15. Gray, Gary L., Andre P. Mazzoleni, and David R. Campbell III (1998) "Analytical Criterion for Chaotic Dynamics in Flexible Satellites with Nonlinear Controller Damping," Journal of Guidance, Control, and Dynamics, 21(4), pp. 558–565.

  16. Gray, G. L., I. Dobson, and D. C. Kammer (1996) "Chaos in a Spacecraft Attitude Maneuver Due to Time-Periodic Perturbations," ASME Journal of Applied Mechanics, 63(2), pp. 501–508.

  17. Daniel C. Kammer and Gary L. Gray, "A Nonlinear Control Design for Energy Sink Simulation in the Euler-Poinsot Problem," The Journal of the Astronautical Sciences, 41(1), 1993, pp. 53–72.

Proceedings and Conference Papers

  1. Francesco Costanzo, Gary L. Gray, and Pedro C. Andia (2004) "On Hill's Macrohomogeneity Condition and the Virial Theorem," 41st Annual Technical Meeting of the Society of Engineering Science, October 10–13, Lincoln (NE).

  2. Charles L. Randow, Gary L. Gray, and Francesco Costanzo (2004) "A Micropolar Approach to Modeling Columnar Thin Films," 41st Annual Technical Meeting of the Society of Engineering Science, October 10–13, Lincoln (NE).

  3. Don L. Evans, Gary L. Gray, Francesco Costanzo, Phillip Cornwell, and Brian P. Self (2004) "Rigid Body Dynamics: Student Misconceptions and Their Diagnosis," in the XXI International Congress of Theoretical and Applied Mechanics, Warsaw, Poland, August 15–21.

  4. Charles L. Randow, Gary L. Gray, and Francesco Costanzo (2004) "A Polar Continuum Model of a Columnar Thin Film," Proceedings of ECCOMAS 2004—European Congress on Computational Methods in Applied Sciences and Engineering, Jyvaskyla, Finland, July 24–28, paper no. 195, 12 pages, published on CD-ROM only, ISBN No. 951-39-1869-6.

  5. D. L. Evans, Gary L. Gray, Stephen Krause, Jay Martin, Clark Midkiff, Branisla M. Notaros, Michael Pavelich, David Rancour, Teri Reed-Rhoads, Paul Steif, Ruth Streveler, and Kathleen Wage (2003) "Progress on Concept Inventory Assessment Tools," 33rd ASEE/IEEE Frontiers in Education Conference, Boulder, CO, November 5–8, pp. T4G-1–T4G-8.

  6. Gary L. Gray, Francesco Costanzo, Pedro C. Andia, and Thomas J. Yurick (2003) "Determination of the Mechanical Properties of Amorphous Columnar Thin Films from MD Simulations, " Proceedings of the 7th US National Congress on Computational Mechanics, Albuquerque (NM), July 28–30, CD-ROM ISBN: 0-9743254-0-6.

  7. Francesco Costanzo and Gary L. Gray (2003) "Creating Labeled "Stand-Alone" Figures in LaTeX Using WARMreader and Adobe Illustrator under Mac OS X," Proceedings of The 24th Annual Meeting and Conference of the TeX Users Group, Waikoloa, Hawaii, July 20–24.

  8. Gary L. Gray and Francesco Costanzo (2003) "Experiences and Lessons Learned Teaching LaTeX to a Group of University Students," Proceedings of The 24th Annual Meeting and Conference of the TeX Users Group, Waikoloa, Hawaii, July 20–24.

  9. D. Kent Johnson, Jill L. Lane, Gary L. Gray, Francesco Costanzo, and Tao Zhang (2003) "Assessment of a Problem-Centered Approach to Putting the Motion back in Dynamics.'' Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition, June 22–25, Nashville (TN), Session No. 2230.

  10. Charles L. Randow*, Andrew J. Miller, Francesco Costanzo, and Gary L. Gray (2003) "Mathematica Notebooks for Classroom Use in Undergraduate Dynamics: Demonstration of Theory and Examples." Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition, June 22–25, Nashville (TN), Session No. 3268.

  11. Gary L. Gray, Don Evans, Phillip Cornwell, Francesco Costanzo, and Brian Self (2003) "Toward a Nationwide Dynamics Concept Inventory Assessment Test," Proceedings of the 2003 American Society for Engineering Education Annual Conference & Exposition, June 22–25, Nashville, TN, Session No. 1168. Recipient of the ASEE Mechanics Division Best Presentation Award for Session 1168.

  12. Gary L. Gray, Francesco Costanzo, Thomas J. Yurick, and Pedro C. Andia (2002) Deriving Continuum Properties from MD Simulations for Columnar Thin Films," 39th Annual Technical Meeting of the Society of Engineering Science, October 13–16, University Park (PA).

  13. Francesco Costanzo, Gary L. Gray, Pedro C. Andia, Thomas J. Yurick, Jr., and Charles Randow (2002) "On the Relation Between Morphology and Elastic Properties in Amorphous Columnar Thin Films," WCCM V Fifth World Congress on Computational Mechanics, International Association for Computational Mechanics, July 7–12, Vienna, Austria.

  14. Andia, P. C., F. Costanzo, G. L. Gray, and T. J. Yurick (2000) "Calculation of Intrinsic Stresses and Elastic Moduli in Nonhomogeneous Thin Films," in Multiscale Modeling of Materials—2000, L. P. Kubin, J. L. Bassani, K. Cho, H. Gao and R. L. B. Selinger (eds.), Materials Research Society Symposium Proceedings, Pittsburgh, PA, Vol. 653, pp. Z10.3.1–Z10.3.6.

  15. Yurick, T. J., Jr., S. E. Mohney, and G. L. Gray (2000) "Optimization of Shape Memory Alloys for Use in Electrical Connectors," Proceedings of the 46th IEEE Holm Conference on Electrical Contacts, pp. 47–59.

  16. Andia, Pedro C., Francesco Costanzo, and Gary L. Gray (2000) "On the Estimation of Intrinsic Stresses and Elastic Moduli in Thin Films" in Complex Mediums, Edited by Akhlesh Lakhtakia Wener S. Weiglhofer, and Russell F. Messier, Proceedings of SPIE's 45th Annual Meeting, July 30–August 1, San Diego, CA, Volume 4097, pp. 280–290.

  17. Costanzo, Francesco and Gary L. Gray (1999) "Mechanics Reform: A Report from the Trenches," 1999 Frontiers in Education Conference, San Juan, Puerto Rico, November 10–13.

  18. Yaeger, Patricia M., Rose M. Marra, Francesco Costanzo, Gary L. Gray, and Dhushy Sathianathan (1999) "Interactive Mechanics: Effects of Student-Centered Activities on Learning," 1999 Frontiers in Education Conference, San Juan, Puerto Rico, November 10–13.

  19. Miller, Andrew J., Gary L. Gray, and Andre P. Mazzoleni (1999) "Nonlinear Dynamics of a Viscously Damped Spacecraft With a Flexible Appendage and Time-Dependent Forcing," 1999 AAS/AIAA Astrodynamics Specialist Conference, Girdwood, Alaska, August 16–18, Paper AAS 99-458.

  20. Toniolo, Matthew D., Mokin Lee, and Gary L. Gray (1999) "Comparison of Melnikov's Method and Numerical Simulation for Predicting Nonlinear Dynamics in the Pitch Motion of Actively Controlled Satellites in a Gravity Gradient Field," 1999 AAS/AIAA Astrodynamics Specialist Conference, Girdwood, Alaska, August 16–18, Paper AAS 99-377.

  21. Costanzo, Francesco and Gary L. Gray (1999) "Collaborative Learning in Undergraduate Dynamics Courses: Some Examples," Proceedings of the 1999 ASEE Annual Conference and Exposition, Charlotte, North Carolina, June 20–23.

  22. Gray, Gary L. and Francesco Costanzo (1999) "Interactive Dynamics: A Collaborative Approach to Learning Undergraduate Dynamics," Proceedings of the 1999 ASEE Annual Conference and Exposition, Charlotte, North Carolina, June 20–23.

  23. Yaeger, Patricia M., Rose M. Marra, Gary L. Gray and Francesco Costanzo (1999) "Assessing News Ways of Teaching Dynamics: An Ongoing Program to Improve Teaching," Proceedings of the 1999 ASEE Annual Conference and Exposition, Charlotte, North Carolina, June 20–23.

  24. Kulisic, Igor, Gary L. Gray, and Suzanne E. Mohney (1998) "Shape Memory Alloy Coil-Shaped Clamp for Enhanced Normal Force in Electrical Connectors," Proceedings of the 44th IEEE Holm Conference on Electrical Contacts, Arlington, VA, October 26–28, pp. 20–25.

  25. Gary L. Gray and Andre P. Mazzoleni (1998) "Analytical Criterion for Chaotic Dynamics in Flexible Spaceraft with Nonlinear Controller Damping and Nonautonomous Forcing," 35th Annual Technical Meeting of the Society of Engineering Science, Pullman, Washington, September, 27–30.

  26. Costanzo, Francesco and Gary L. Gray (1998) "Interactive Mechanics," Proceedings of the Workshop on Reform of Undergraduate Mechanics Education, Hosted by the Engineering Mechanics Faculty of The Pennsylvania State University, August 16–18.

  27. David R. Campbell III and Gary L. Gray (1998) "Refinement of Melnikov Criteria Using Averaging with Elliptic Functions," Thirteenth U.S. National Congress of Applied Mechanics, Gainesville, Florida, June 21–26.

  28. Gray, Gary L. and Francesco Costanzo (1998) "On the Concept of the Interactive Classroom and its Integration into the Mechanics Curriculum," Presented at the Thirteenth U.S. National Congress of Applied Mechanics, Gainesville, Florida, June 21–26.

  29. Gray, Gary L. and Francesco Costanzo (1998) "Studio Learning Applications in Engineering Education—The Interactive Classroom," Presented at the Sixth Annual Teaching and Learning with Technology Symposium, The Pennsylvania State University, University Park, Pennsylvania, April 4.

  30. Gray, Gary L., Francesco Costanzo, and Matthew D. Toniolo (1997) "Creation and Implementation of `Virtual Laboratories' in Mechanics Courses," Symposium on Computing in Undergraduate Mechanics Education, The 1997 Joint Summer Meeting of the American Society of Mechanical Engineers (ASME) and Society of Engineering Science (SES), June 29–July 2.

  31. Gray, Gary L. (1996) "Integration of Mathematica into Mechanics Courses," Workshop on Computing in Undergraduate Mechanics Education, ASME Mechanics and Materials Conference, Baltimore, Maryland, June 12–14.

  32. Gray, Gary L., Andre P. Mazzoleni, and David R. Campbell III (1996) "Chaotic Dynamics in a Spacecraft with a Flexible Appendage and with Energy Dissipation via a Nonlinear Controller," Sixth Annual AAS/AIAA Spaceflight Mechanics Conference, Austin, TX, February 11–15.

  33. Gray, Gary L. and David R. Campbell III (1995) "Numerical Investigation of Complex Dynamics and Chaos in a Satellite Attitude Maneuver," Proceedings of the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, LA, October 29–November 1, pp. 185–186.

  34. Campbell, David R. and Gary L. Gray (1995) "Numerical Determination of Manifold Intersections as a Precursor to Chaos in Spacecraft Attitude Dynamics," Proceedings of the 32nd Annual Technical Meeting of the Society of Engineering Science, New Orleans, LA, October 29–November 1, pp. 75–76.

  35. Stabb, Mark C. and Gary L. Gray (1994) "Chaos in Controlled, Gravity Gradient Satellite Pitch Dynamics via the Method of Melnikov—Saddle Stabilization," AIAA Dynamics Specialist Conference, Hilton Head, SC, April 21–22.

  36. Gray, Gary L. and Mark C. Stabb (1993) "Chaos in Controlled, Gravity Gradient Satellite Pitch Dynamics via the Method of Melnikov—Center Stabilization," Third Annual AAS/AIAA Spaceflight Mechanics Conference, Pasadena, CA, February 22–24, Paper AAS 93-132.

  37. Gray, Gary L., Ian Dobson, and Daniel C. Kammer (1993) "Detection of Chaotic Saddles in an Attitude Maneuver of a Spacecraft Containing a Viscous Damper," Third Annual AAS/AIAA Spaceflight Mechanics Conference, Pasadena, CA, February 22–24, Paper AAS 93-133.

  38. Kammer, Daniel C. and Gary L. Gray (1993) "A Nonlinear Control Design for Energy Sink Simulation in the Euler-Poinsot Problem," Third Annual AAS/AIAA Spaceflight Mechanics Conference, Pasadena, CA, February 22–24, Paper AAS 93-106.

  39. Gray, Gary L., Daniel C. Kammer, and Ian Dobson (1992) "Chaos in an Attitude Maneuver of a Damped Satellite Due to Time-Periodic Perturbations," Second Annual AAS/AIAA Spaceflight Mechanics Conference, Colorado Springs, CO, February 24–26, Paper AAS 92-171.

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[G. L. Gray] [Research] [ESM] [Faculty] [PSU Engineering] [Penn State]

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