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REFEREED JOURNAL PUBLICATIONS:
  1. Hu, Z., Smith, R., N. Burch, Oates, W., Hays, M., "A Modeling and Uncertainty Quantification Framework for a Flexible Structure with Macro-Fiber Composite (MFC) Actuators Operating in Hysteretic Regimes", submitted for review, 2012.
  2. Hays, M., Morton, J., Dickinson, B., Chakravarty, U., Oates, W., "Aerodynamic Control of Micro Air Vehicle Wings Using Electroactive Membranes," preprint, 2012.
  3. Bin, J., Oates, W.S., Hussaini, M.Y., "Fluid-Structure Interactions of Fast Response Photomechanical Liquid Crystal Polymer Networks" J. Fluids Struct. (accepted), 2012.
  4. Hogue, J., Kumar, R., Oates, W., Alvi, F., "A Supersonic Broadband Microjet Actuator Using Piezohydraulic Actuation" J. Intell. Mater. Syst. Struct., (in press), 2012.
  5. Cheng, L., Torres, Y., Lee, K.-M., McClung, A., Baur, J., White, T., Oates, W., "Photomechanical Bending Mechanics of Polydomain Azobenzene Liquid Crystal Polymer Network Films" J. Appl. Phys. v. 112, p. 013513, 2012.
  6. Wang, H., Lee K.M., White, T., Oates, W.S., "Trans-cis and Trans-cis-trans Microstructure Evolution of Azobenzene Liquid Crystal Polymer Networks" Macromol. Theory Simul., v. 21(5), pp.285-301, 2012.
  7. Oates, W.S., Wang, H., and Sierakowski, R."Unusual Field-Coupled Nonlinear Continuum Mechanics of Smart Materials," J. Intell. Mater. Syst. Struct., v. 23(5), pp. 487-504, 2012.
  8. Hays, M., Wang, H., Oates, W., "Nonlinear Bending Mechanics of Hygroscopic Liquid Crystal Polymer Networks," ASME J. Appl. Mech., v. 79, pp. 021009, 2012.
  9. Kumar, V., Hays, M., Fernandez, E., Oates, W., Alvi, F. "Flow Sensitive Actuators for Micro Air Vehicles" Smart Mater. Struct. v. 20, p. 105033, 2011.
  10. Cheng, L., Englander, O., Paravastu, A., Oates, W., "An Effective Continuum Approach for Modeling Non-equilibrium Structural Evolution of Protein Nanofiber Networks," J. Chem. Phys., 2011.
  11. Oates, W.S., Zrostlik, R., Eichorn, S., Smith, R. "A Nonlinear Optimal Control Design Using Narrowband Perturbation Feedback for Magnetostrictive Actuators," J. Intell. Mater. Syst. Struct. v. 21(16), (2010), pp. 1681-1693.
  12. Oates, W.S., Wang, H., "A New Approach to Modeling Liquid Crystal Elastomers Using Phase Field Methods," Modelling Simul. Mater. Sci. Eng. v. 17, (2009), pp. 064004 (21pp) doi: 10.1088/0965-0393/17/6/064004.
  13. Oates, W. and Liu, F. "Piezohydraulic Actuator Development for Microjet Flow Control", J. Mech. Des., v. 131, Issue 9, (2009), pp. 091001 (9 pages) doi:10.1115/1.3158986.
  14. Oates, W.S., Evans, P.G., Smith, R.C., Dapino, M. "Experimental Implementation of a Hybrid Nonlinear Control Design for Magnetostrictive Transducers," J. Dyn. Syst.-T. ASME, v. 131(4), (2009), pp. 041004-041015.
  15. Oates, W.S., Smith, R.C., "Optimal Tracking Control Using Magnetostrictive Actuators Operating in Nonlinear and Hysteretic Regimes," J. Dyn. Syst.-T. ASME, v. 131(3), (2009), pp. 031001-031012.
  16. A. Gruverman, J. Cross, W.S. Oates, "Peculiar Effect on Mechanical Stress on Polarization Stability in Micrometer-scale Ferroelectric Capacitors," Appl. Phys. Lett., v. 93, (2008), pp. 242902.
  17. Oates, W.S., Smith, R.C., "Nonlinear Optimal Control Techniques for Vibration Attenuation Using Magnetostrictive Actuators," J. Intell. Mater. Syst. Struct, v. 19(2), (2008), pp. 193-209.
  18. Westram, I., Oates, W.S., Lupascu, D.C., Roedel, J., Lynch, C.S., "Mechanism of Electric Fatigue Crack Growth in Lead Zirconate Titanate," Acta. Mater.,. v. 55 (2007), pp. 301-312.
  19. Oates, W.S. "Heterogeneity Influence on Electric Field Induced Piezoelectric Microfracture," J. Intell. Mater. Syst. Struct., v. 16(9), (2005), pp. 733-741.
  20. Oates, W.S., Lynch, C.S., Lupascu, D.C., Kounga, A. "Anisotropic Fracture Behavior in Ferroelectric Relaxor PZN-4.5%PT Single Crystals," J. Am. Cer. Soc., v. 88(7), (2005), pp. 1838-1844.
  21. Liu, T., Oates, W.S., Wan, S., Lynch, C.S. "Fracture at Partial Electrodes in PZN-0.045PT Single Crystals," J. Int. Mat. Sys. Struct., v. 16 [4], (2005), pp. 373-379.
  22. Oates, W.S., Lynch, C.S. "New Approach to Solving Crack Tip Stress Fields in Piezoelectric Materials," J. Intell. Mater. Syst. Struct., v. 15 [7], (2004), pp. 557-563.
  23. Oates, W.S., Lynch, C.S., Lupascu, D.C., Kounga, A., Aulbach, E., Roedel, J. "Subcritical Crack Growth in Lead Zirconate Titanate," J. Am. Cer. Soc., v. 87 [7], (2004), pp. 1362-1364.
  24. Lynch, C.S., Oates, W.S. "Orthotropic Rescaling for Crack Tip Fields in Linear Piezoelectric Materials," Int. J. Solids Structures, v. 41 [11-12], (2004), pp. 2899-2917.
  25. Oates, W.S., Lynch, C.S. "Piezoelectric Hydraulic Pump System Dynamic Model," J. Intell. Mater. Syst. Struct., v. 12 [11], (2001), pp. 737-744.

CONFERENCE PROCEEDINGS:

  1. Newton, J., Hays, M., Clark, J., Oates, W. “Design and characterization of a soft electroactive adaptive structure for legged robotic motion,” Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2012).
  2. Hu, Z, Smith, R., Burch, N., Hays, M., Oates, W. “Homogenized energy model and Markov Chain Monte Carlo simuations for macro fiber composites operating in broadband regimes,” Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2012).
  3. Worden, M., Wang, H., Paravastu, A., Oates, W. “NMR characterization of photomechanics and thermomechanics of azobenzene polymer networks,” Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2012).
  4. Hays, M, Hart, A., Oates, W., Ukeiley, L. “The study of fluid structure interactions on an electrative membrane wing,” Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2012).
  5. Oates W.S., Wang H., “Quadrupole effects on modeling piezoelectric and ferroelectric materials,” SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, pp. 834205-834205-10, 2012. 
  6. Cheng L., Lee K., McClung A., Baur J., White T.J., Oates W.S., “Optimizing the photomechanical performance of glassy azobenzene liquid crystal polymer networks,” SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring. pp. 83420C-83420C-12. 2012.
  7. Bin, J, Hussaini, M.Y., Oates, W., , "Fluid Structural Interactions of Flapping Photomechanical Liquid Crystal Polymer Networks," Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2011).
  8. Morton, J., Haldane, D., Hays, M., Clark, J., Oates, W., , "Field Driven Stiffness Control of Legged Robotic Structures Using Dielectric Elastomers," Proc. SMASIS: Smart Materials, Adaptive Structures, and Intelligent Systems (2011).
  9. Hays, M., Morton, J., Oates, W., Dickinson, B., "Aerodynamic Control of Micro Air Vehicle Wings Using Electroactive Membranes," Proc. SMASIS: Smart Materials, Adaptive Structures, and Intelligent Systems (2011).
  10. Cheng, L., Torres, Y., Oates, W., "Nonlinear structural Mechanics and Dynamics of Azobenzene Polymer Network Films", Proc. SPIE: Smart materials and Structures, San Diego, CA, March 2011.
  11. Wang, H., Oates, W., "Light Induced Stress Rate Effects in Azobenzene Liquid Crystal Polymer Networks," Proc. SPIE: Smart Materials and Structures, San Diego, CA., March 2011 [best student paper award].
  12. Hogue, J., Solomon, J., Hays, M. Alvi, F., Oates, W., , "Broadband Pulsed Flow Using Piezoelectric Microjets," Proc. SPIE: Smart Materials and Structures, (2010).
  13. Oates, W.S., "New Unifying Concepts for Modeling Smart Materials," Proc. SPIE: Smart Materials and Structures, (2010).
  14. Wang, H., Oates, W., "A  Phase Field Model of Photo-induced Trans-Cis-Trans Bending of Liquid Crystal Elastomer Films," Proc. SMASIS: Smart Materials, Adaptive Structures, and Intelligent Systems (2010). [best student paper award].
  15. Hays, M., Wang, H., Oates, W., "Force Characterization of Hygroscopic Liquid Crystal Elastomers," Proc. SMASIS: Smart Materials, Adaptive Structures, and Intelligent Systems (2010).
  16. Torres, Y., T. White, McClung, A., , Oates, W., "Photoresponsive Azobenzene Liquid Crystal Polymer Networks: In Situ Photogenerated Stress Measurements," Proc. SMASIS: Smart Materials, Adaptive Structures, and Intelligent Systems (2010).
  17. Cheng, L., Englander, O., Oates, W., Paravastu, A.., "Structural Control Concepts in Protein Nanofiber Networks," Proc. FCAAP: Florida Center for Advanced Aero Propulsion Conference, Orlando, FL, August 2009.
  18. Hogue, J., Brosche, M., Oates, W., Clark, J., "Development of a Piezoelectric Supersonic Microactuator for Broadband Flow Control," Proc. FCAAP: Florida Center for Advanced Aero Propulsion Conference, Orlando, FL, August 2009.
  19. Liu, F., Hogue, J., Solomon, J., Oates, W.S., Alvi, F., "Piezoelectric Controlled Pulsed Microjet Actuation," Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2009).
  20. Wang, H., Oates, W.S., "A Phase Field Analysis of Thermomechanically Coupled Liquid Crystal Elastomers," Proc. SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems, (2009).
  21. Wang, H., Oates, W.S., "A Computational Model for Domain Structrue Evolution of Nematic Liquid Crystal Elastomers," Proc. SPIE: Smart Materials and Structures, (2009).
  22. Oates, W.S., Peng, X. "A Multi-axial Ferroelastic Switching Model Using the Homogenized Energy Approach," Proc. SPIE: Smart Materials and Structures, (2009).
  23. Liu, F. and Oates, W., "Piezohydraulic Actuation for Next Generation Microjet Flow Control", Proc. Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS), Oct. 2008.
  24. Oates, W.S. "Reverse Polarization Switching in Ferroelectric Lead Zirconate Titanate (PZT) Thin Films," Proc. SPIE: Smart Materials and Structures, (2008).
  25. Oates, W.S. "Multiscale Constitutive Model Development and Finite Element Implementation for Magnetostrictive Materials," proceedings of the ASME IMECE (2007), Seattle, WA, accepted.
  26. Oates, W.S., Evans, P., Smith, R., and Dapino, M. "Experimental Implementation of a Nonlinear Control Method for Magnetic Tranducers," Proceedings of the 2007 American Control Conference, accepted.
  27. Oates, W.S., Smith, R., "Nonlinear Perturbation Control for Magnetic Transducers," IEEE Conference on Decision and Control (2007), accepted.
  28. Oates, W.S., Evans, P, Smith, R.C., Dapino, M. J., "Open Loop Nonlinear Optimal Tracking Control of a Magnetostrictive Terfenol-D Actuator," Proc. SPIE: Smart Materials and Structures (2006).
  29. Oates, W.S., Smith, R., "Multi-axial Homogenized Energy Model for Ferroelectric Materials," proceedings of the ASME IMECE (2006), Chicago, IL.
  30. Oates, W.S., Gruverman, A., "Polarization Switching in (111) Oriented PZT Thin Films," proceedings of the ASME IMECE (2006), Chicago, IL.
  31. Oates, W.S., Smith, R. C., "Nonlinear Perturbation Control for Magnetic Transducers," 45th IEEE Conference on Decision and Control, (2006), pp. 2441-2446.
  32. Oates, W.S., Smith, R. C., "Nonlinear Optimal Tracking Control of a Piezoelectric Nanopositioning Stage," Proc. SPIE: Smart Materials and Structures (2006).
  33. Oates, W.S., Smith, R.C., "Nonlinear Open Loop Optimal Tracking Using Magnetostrictive Transducers," proceedings of the ASME IMECE (2005), Orlando, FL.
  34. Oates, W.S., Smith, R.C., "Nonlinear Optimal Control of Plate Structures Using Magnetostrictive Materials," proc. SPIE: Smart Materials and Structures (2005).
  35. Oates, W.S., Webber, K.G., Lynch, C.S., Njiwa, A.K., Lupascu, D.C., "Local Fracture Properties in Ferroelectric Relaxor PZN-4.5%PT Single Crystals," proc. SPIE: Smart Materials and Structures, v. 5761, (2005), pp.299-304.
  36. Oates, W.S., Malbec, A., Herdic S., Lynch, C.S., "Phase Field Modeling of Domain Structures in Ferroelectric Materials," proc. SPIE: Smart materials and Structures, v. 5387, (2004), pp. 314-325.
  37. Oates, W.S., Lynch, C.S., "New Approach to Solving Crack Tip Stress Fields in Piezoelectric Materials," proc. SPIE: Smart Materials and Structures (invited to appear in J. Mat. Sys. Struct.), v. 5053, (2003), pp. 376-386.
  38. Oates, W.S., Lynch, C.S., "Orthotropy Rescaling for the Fracture Problem in Anisotropic Piezoelectric Materials," proc. ASME IMECE, (2002), v. 67, p. 97-102.
  39. Mauck, L.D., Oates, W.S., Lynch, C.S., "Piezoelectric Hydraulic Pump Performance," proc. SPIE: Smart Materials and Structures, (2001), v. 4332, pp. 246-253.
  40. Oates, W.S., Mauck, L.D., Lynch, C.S., "System Dynamics Modeling of a Piezoelectric Hydraulic Pump," proc. SPIE: Smart Materials and Structures, (2001), v. 4693, pp. 598-606.
  41. Mauck, L.D., Oates, W.S., Lynch, C.S., "Piezoelectric Hydraulic Pump Performance," proc. SPIE: Smart Materials and Structures, (2001), v. 4332, pp. 246-353.
  42. Oates, W.S., Mauck, L.D., Lynch C.S., "PZT Piston Driven Hydraulic Pump Development," proc. 2000 12th IEEE International Symposium on Applications of Ferroelectrics.
    43.

CONFERENCE PRESENTATIONS:

  1. 2012 SMASIS: Smart Materials, Adaptive Structures and Intelligent Systems “NMR characterization of photomechanics and thermomechanics of azobenzene polymer networks”, Stone Mountain, Ga.


  4. 2012 CIMTEC Smart Materials, Structures, and Systems Conference, Montecatini Terme, Italy, “Higher Order Coupling in Ferroelectric Materials,”
  5. 2011 International Liquid Crystal Elastomer Conference, Lisbon, Portugal, "Photomechanical Efficiency of Azobenzene Liquid Crystal Polymer Networks"
  6. 2009 International Liquid Crystal Elastomer Conference, Kent, OH, "Finite Deformation Effects on the Mesoscale Mechanics of Liquid Crystal Elastomers"
  7. 2009 ASME Conference on Smart Materials, Adaptive Structures, and Intelligent Systems, Oxnard, CA, "A Phase Field Analysis of Thermomechanically Coupled Liquid Crystal Elastomers"
  8. 2009 ASME Conference on Smart Materials, Adaptive Structures, and Intelligent Systems, Oxnard, CA, "Piezoelectric Controlled Pulsed Microjet Actuation"
  9. 2008 MRS Conference, Boston, MA, "Field-Coupled Mechanics of Domain Structure Evolution in Ferroelectric Thin Film Capacitors"
  10. 2008 ASME Conference on Smart Materials, Adaptive Structures, and Intelligent Systems, Ellicott City, MD, "Piezohydraulic Actuation for Next Generation Microjet Flow Control"
  11. 2007 American Control Conference, New York, NY, "Experimental Implementation of a Nonlinear Control Method for Magnetic Tranducers"
  12. 2007 ASME International Mechanical Engineering Congress and R&D Expo, Seattle, WA, "Multiscale Constitutive Model Development and Finite Element Implementation for Magnetostrictive Materials"
  13. 2007 ASME Applied Mechanics and Materials Conference, "A Homogenized Multi-axial Ferroic Constitutive Model," June 3-7, 2007, Austin, TX.
  14. 2006 ASME International Mechanical Engineering Congress and R&D Expo, "Polarization Switching in (111) Oriented PZT Thin Films" and "Multi-axial Homogenized Energy Model for Ferroelectric Materials"
  15. 2006 International Symposium on Applied Ferroelectrics (ISAF), "Computational Modeling of Domain Structures in Ferroelectric Thin Films," (oral presentation) and "Multi-scale 3D Homogenized Energy Model for Ferroelectric Materials" (poster presentation)
  16. 2005 SPIE International Smart Structures and Materials Conference, “Anisotropic Fracture of Single Crystal Relaxor PZN-4.5%PT,” and “Nonlinear Optimal Control of Plate Structures Using Magnetostrictive Materials”
  17. 2004 SPIE International Smart Structures and Materials Conference, “Phase Field Modeling of Domain Structures in Ferroelectric Materials”
  18. 2004 Statistical and Applied Mathematical Sciences Institute (SAMSI) workshop on Multi-scale Model Development and Control Design, poster presentation, “Characterization and Modeling of Domain Engineered Relaxor Single Crystals”
  19. 2003 ASME International Mechanical Engineering Congress and R&D Expo, “Subcritical Crack Growth of Ferroelectric Materials”, “Development of Stress Gradient Enhanced Composite Piezoelectric Actuators” and “Relaxor Ferroelectric Single Crystal Behavior and Phase Field Modeling
  20. 2003 Gordon Conference on Solid State Studies in Ceramics, poster presentation on “Subcritical Crack Growth of Ferroelectric Materials”
  21. 2003 SPIE International Smart Structures and Materials Conference, “New Approach to Solving Crack Tip Stress Fields in Piezoelectric Materials”
  22. 2002 ASME International Mechanical Engineering Congress and R&D Expo, “Orthotropy Rescaling for the Fracture Problem in Anisotropic Piezoelectric Materials”
  23. 2002 SPIE International Smart Structures and Materials Conference, “System Dynamic Modeling of a Piezoelectric Pump”

INVITED PRESENTATIONS:

  1. 2012 Sandia National Laboratories, Albuquerque, NM, “Recent Advances in Electroactive and Photoactive Polymers and Structures for Micro Air Vehicle Flow Control”
  2. 2012 California Institute of Technology “Controlling Adaptive Materials with Electrons and Photons”
  3. 2012 SISSA: International School for Advanced Studies, Trieste, Italy, “Advances in Adaptive Materials and Structures using Electrostatic Fields and Light”
  4. 2011 Florida State University, Department of Chemistry, “Photomechanics of Liquid Crystal Polymer Networks"
  5. Oates, W., (2011) Ohio State University, Mechanical Engineering Department "Fueling Materials by Light"
  6. Oates, W., (2009) Eglin AFRL/REEF "Some Unifying Concepts for Smart Materials: Modeling and Applications"
  7. Oates, W., (2009) Eglin AFRL/REEF workshop on micro air vehicles "Field-Coupled Mechanics and Applications of Smart Materials"
  8. Oates, W., (2009) Florida Center for Advanced Aero-Propulsion Conference, Orlando, FL, "Challenges and Opportunities in Modeling, Device Development, and Control of Adaptive Structures"
  9. Oates, W.S. (2005). "High Performance Smart Material Systems: Multi-scale Constitutive Modeling and Nonlinear Control " North Carolina State University, Dept. of Mechanical Engineering, Raleigh, NC.
  10. Oates, W.S. (2007). "Modeling and Control of Ferroic Materials: From Nanoscale Domain Structures to Macroscale Devices" University of Florida, Dept. of Materials Science and Engineering, Gainesville, FL.