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Publications for: Thomas Lacy, Jr.

Book
Lacy, T., McDowell, D. L., & Talreja, R. (1997). Effects of Damage Distribution on Evolution. In D.L. McDowell, Ed., American Society for Testing and Materials (Eds.), Applications of Continuum Damage Mechanics to Fatigue and Fracture, ASTM STP 1315. 131-149.

Book Chapter
Lacy, T., Gwaltney, S. R., Pittman, C., Toghiani, H., Jang, C., Nouranian, S., & Yu, J. (2011). Some Key Issues in Multi-Scale Modeling of Thermoset Nanocomposites/Composites. In S. M. Arnold, T. Wong (Eds.), Tools, Models, Databases, and Simulation Tools Developed and Needed to Realize the Vision of Integrated Computational Materials Engineering. Materials Park, OH: ASM International. [Abstract] [Document Site]

Peer-Reviewed Journals
Chen, S., Sun, S., Li, C., Pittman, C., Lacy, T., Hu, S., & Gwaltney, S. R. (2018). Molecular Dynamics Simulations of the Aggregation Behavior of Overlapped Graphene Sheets in Linear Aliphatic Hydrocarbons. Molecular Simulation. 44(12), 947-953. DOI:10.1080/08927022.2018.1465569.

Liu, Y., & Lacy, T. (2017). Response Surface Modeling to Facilitate the Parametric Study of Transversely Impacted Pressurized Pipelines. Thin-Walled Structures. Elsevier. 119, 647-653.

Chen, S., Sun, S., Li, C., Pittman, C., Lacy, T., Hu, S., & Gwaltney, S. R. (2017). Molecular Dynamics Simulations of the Graphene Sheet Aggregation in Dodecane. Journal of Nanoparticle Research. 19, 195. DOI:10.1007/s11051-017-3893-8.

Chen, S., Sun, S., Li, C., Pittman, C., Lacy, T., Hu, S., & Gwaltney, S. R. (2016). Behavior of Protruding Lateral Plane Graphene Sheets in Liquid Dodecane: Molecular Dynamics Simulations. Journal of Nanoparticle Research. 18(11), 317. DOI:10.1007/s11051-016-3645-1.

Newman, J., Jr., Warren, J., & Lacy, T. (2016). Validation of the Two-Parameter Fracture Criterion Using 3D Finite-Element Analyses with the Critical CTOA Fracture Criterion. Engineering Fracture Mechanics. Elsevier Ltd.. 151, 130-137. DOI:10.1016/j.engfracmech.2015.11.007. [Document Site]

Simsiriwong, J., Sullivan, R. W., Lacy, T., & Hilton, H. H. (2015). A Statistical Approach to Characterize the Viscoelastic Creep Compliances of a Vinyl Ester Polymer Polymer Testing. Polymer Testing. Elsevier. 48, 183-198. DOI:10.1016/j.polymertesting.2015.10.001.

Warren, J., Offenberger, S., Toghiani, H., Pittman, C., Lacy, T., & Kundu, S. (2015). Effect of Temperature on the Shear-Thickening Behavior of Fumed Silica Suspensions. ACS Applied Materials & Interfaces. American Chemical Society. 7(33), 18650–186. DOI:10.1021/acsami.5b05094. [Abstract] [Document Site]

Drake, D., Sullivan, R. W., Lacy, T., Pittman, C., Toghiani, H., DuBien, J. L., Nouranian, S., & Simsiriwong, J. (2015). Creep Characterization of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using a Response Surface Methodology. Journal of Applied Polymer Science. 132(26), 12. DOI:10.1002/app.42162. [Document Site]

AbuOmar, O., Nouranian, S., King, R., Ricks, T., & Lacy, T. (2015). Comprehensive Mechanical Property Classification of Vapor-grown Carbon Nanofiber/vinyl Ester Nanocomposites Using Support Vector Machines. Computational Materials Science. Elsevier. 99, 316-325. DOI:10.1016/j.commatsci.2014.12.029. [Document]

Ricks, T., Lacy, T., Bednarcyk, B. A., Arnold, S. M., & Hutchins, J. W. (2014). A Multiscale Modeling Methodology for Composites That Includes Fiber Strength Stochastics. CMC: Computers, Materials, and Continua. 40(2), 99-129. DOI:10.3970/cmc.2014.040.099.

Zhou, Y., Jeelani, S., & Lacy, T. (2014). Experimental Study on the Mechanical Behavior of Carbon/Epoxy Composites with a Carbon Nanofiber-Modified Matrix. Journal of Composite Materials. 29(48), 3659-3672. DOI:10.1177/0021998313512348.

AbuOmar, O., Nouranian, S., King, R., Bouvard, J.-L., Toghiani, H., Lacy, T., & Pittman, C. (2013). Data Mining and Knowledge Discovery in Materials Science and Engineering: A Polymer Nanocomposites Case Study. Advanced Engineering Informatics. Elsevier. 27(4), 615-624. DOI:10.1016/j.aei.2013.08.002. [Abstract] [Document] [Document Site]

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2013). Interfacial Shear Strength of Cured Vinyl Ester Resin-Graphene Sheets from Molecular Dynamics Simulations. Polymer. 54, 3282-3289.

Lee, J., Nouranian, S., Torres, G. W., Lacy, T., Toghiani, H., Pittman, C., & DuBien, J. L. (2013). Characterization, Prediction, and Optimization of Flexural Properties of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites by Response Surface Modeling. Journal of Applied Polymer Science. 130(3), 2087-2099. DOI:10.1002/app.39380. [Abstract] [Document Site]

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2013). Effective Property Estimates For Composites Containing Multiple Nanoheterogeneities: Part II Nanofibers & Voids. Journal of Composite Materials. 47(10), 1273-1282. DOI:10.1177/0021998312446824.

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2013). Micromechanically-Based Effective Thermal Conductivity Estimates for Polymer Nanocomposites. Composites Part B. 53, 267-273. DOI:10.1016/j.compositesb.2013.04.055.

Torres, G. W., Nouranian, S., Lacy, T., Toghiani, H., Pittman, C., & DuBien, J. L. (2013). Statistical Characterization of the Impact Strengths of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using a Central Composite Design. Journal of Applied Polymer Science. 128(2), 1070-1080. DOI:10.1002/app.38190. [Abstract] [Document Site]

Nouranian, S., Lacy, T., Toghiani, H., Pittman, C., & DuBien, J. L. (2013). Response Surface Predictions of the Viscoelastic Properties of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites. Journal of Applied Polymer Science. 130(1), 234-247. DOI:10.1002/app.39041. [Abstract] [Document Site]

Nouranian, S., Lee, J., Torres, G. W., Lacy, T., Toghiani, H., & Pittman, C. (2013). Effects of Moulding Condition and Curing Atmosphere on the Flexural Properties of Vinyl Ester. Polymers and Polymer Composites. 21(2), 61-64. [Abstract] [Document Site]

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2013). Effective Property Estimates For Composites Containing Multiple Nanoheterogeneities: Part I Nanospheres, Nanoplatelets, & Voids. Journal of Composite Materials. 47(5), 549-558. DOI:10.1177/0021998312442557.

Yu, J., Lacy, T., Toghiani, H., Pittman, C., & Schneider, J.A. (2012). Determination of Carbon Nanofiber Morphology in Vinyl Ester Nanocomposites. Journal of Composite Materials. 45(23), 2401-2413.

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Relative Reactivity Volume Criterion for Crosslinking: Application to Vinyl Ester Resin Molecular Dynamics Simulations. Macromolecules. 45(11), 4876-4885. DOI:10.1021/ma202754d. [Abstract] [Document] [Document Site]

Jang, C., Nouranian, S., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Molecular Dynamics Simulations of Oxidized Vapor-grown Carbon Nanofiber Surface Interactions with Vinyl Ester Resin Monomers. Carbon. 50(3), 748-760. DOI:10.1016/j.carbon.2011.09.013. [Abstract] [Document] [Document Site]

Yohannes, A., Lacy, T., & Hwang, Y. (2012). Hybrid Boundary Element Method for Two-Dimensional Linear Elastic Fracture Analysis. Mechanics of Advanced Materials and Structures. 19(1-3), 129-143.

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2011). Classical Micromechanics Modeling of Nanocomposites with Carbon Nanofibers and Interphase. Journal of Composite Materials. 45(23), 2401-2414.

Nouranian, S., Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2011). Molecular Dynamics Simulations of Vinyl Ester Resin Monomer Interactions with a Pristine Vapor-Grown Carbon Nanofiber and Their Implications for Composite Interphase Formation. Carbon. 49(10), 3219-3232. DOI:10.1016/j.carbon.2011.03.047. [Abstract] [Document Site]

Nouranian, S., Toghiani, H., Lacy, T., Pittman, C., & DuBien, J. (2011). Dynamic Mechanical Analysis and Optimization of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using Design of Experiments. Journal of Composite Materials. 45(16), 1647-1657. DOI:10.1177/0021998310385027. [Abstract] [Document Site]

Du, Y., Zhang, J., Yu, J., Lacy, T., Xue, Y., Toghiani, H., Horstemeyer, M., & Pittman, C. (2011). Kenaf Bast Fiber Bundle-Reinforced Unsaturated Polyester Composites IV: Effects of Fiber Loadings and Aspect Ratios on Tensile Properties of Kenaf Bast Fiber Bundle-Reinforced Unsaturated Polyester Composites. Forest Products Journal. 60(7/8), 582-591.

Du, Y., Zhang, J., Xue, Y., Lacy, T., Toghiani, H., Horstemeyer, M., & Pittman, C. (2011). Kenaf Bast Fiber Bundle-Reinforced Unsaturated Polyester Composites III: Statistical Strength Characteristics and Cost-Performance Analyses. Forest Products Journal. 60(6), 514-521.

Du, Y., Zhang, J., Toghiani, H., Lacy, T., Xue, Y., Horstemeyer, M., & Pittman, C. (2010). Kenaff Bast Fiber Bundle-Reinforced Unsaturated Polyester Composites: I. Processing Technique for High Fiber Loading. Forest Products Journal. 60(3), 289-295.

Du, Y., Zhang, J., Toghiani, H., Lacy, T., Xue, Y., Horstemeyer, M., & Pittman, C. (2010). Kenaf Bast Fiber Bundle-Reinforced Unsaturated Polyester Composites II: Water Resistance and Composite Mechanical Properties Improvement. Forest Products Journal. 60(4), 366-372.

Du, Y., Zhang, J., Toghiani, H., Lacy, T., Xue, Y., Horstemeyer, M., & Pittman, C. (2010). Kenaf Base Fiber Bundle - Reinforced Unsaturated Polyester Composites. I: Processing Techniques for High Kenaf Fiber Loading. Forest Products Journal. Forest Products Society. 60(3), 289-295.

Sullivan, R. W., Hwang, Y., Rais-Rohani, M., & Lacy, T. (2009). Structural Analysis and Testing of an Ultralight UAV Carbon Composite Wing. Journal of Aircraft. AIAA. 46(3), 814-820.

Yamada, Y., Lacy, T., & Luzar, J. (2009). A Residual Strength Assessment of Modified Transport Aircraft Fuselages. AIAA Journal of Aircraft. 46(1), 85-94.

Ingram, J., Zhiou, Y., Jeelani, S., Lacy, T., & Horstemeyer, M. (2008). Effect of Strain Rate on Tensile Behavior of Polypropylene and Carbon Nanofiber Filled Polypropylene. Materials Science & Engineering A. 489(1), 99-106.

Zhou, Y., Akanda, S. R., Jeelani, S., & Lacy, T. (2007). Nonlinear Constitutive Equation for Vapor-Grown Carbon Nanofiber-Reinforced SC-15 Epoxy at Different Strain Rate. Materials Science & Engineering A. 465(1), 238-246.

Hwang, Y., & Lacy, T. (2007). Numerical Estimates of the Compressive Strength of Impact-Damaged Sandwich Composites. Journal of Composite Materials. 41(3), 367-388.

Yamada, Y., Lacy, T., Newman, J., Jr., Smith, B., & Kumar, B. (2007). Effects of Crack Closure on Fatigue Crack Growth Predictions for 2024-T351 Aluminium Alloy Panels Under Spectrum Loading. International Journal of Fatigue. 29(8), 1503-1509.

Samarah, S., Weheba, G., & Lacy, T. (2006). Characterization of the Effect of Material Configuration and Impact Parameters on Damage Tolerance of Sandwich Composites. SAE Transactions, Journal of Aerospace. 767-775.

Samarah, I. K., Weheba, G. S., & Lacy, T. (2006). Response Surface Characterization of the Mechanical Behavior of Impact-Damaged Sandwich Composites. Journal of Applied Statistics. 33(4), 429-439.

Cope, D. A., & Lacy, T. (2004). Modeling Mechanical Fasteners in Single-Shear Lap Joints. AIAA Journal of Aircraft. 41(6), 1491-1497.

Hijazi, A., Lacy, T., & Smith, B. L. (2004). Comparison of Residual Strength Estimates for Bolted Lap-Joint Panels. AIAA Journal of Aircraft. 41(3), 657-664.

Hijazi, A., Smith, B. L., & Lacy, T. (2004). Linkup Strength of 2024-T3 Bolted Lap Joint Panels with Multiple-Site Damage. AIAA Journal of Aircraft. 41(2), 359-364.

Lacy, T., & Hwang, Y. (2003). Numerical Modeling of Impact-Damaged Sandwich Composites Subjected to Compression-After-Impact Loading. Composite Structures. 61, 115-128.

Lacy, T., Samarah, I. K., & Tomblin, J. S. (2002). Damage Resistance Characterization of Sandwich Composites Using Response Surfaces. 2002 SAE Transactions, Journal of Aerospace. 1, 126-146.

Lacy, T., McDowell, D. L., & Talreja, R. (1999). Gradient Concepts for Evolution of Damage. Mechanics of Materials. 31(12), 831-861.

Lacy, T., McDowell, D. L., Willis, T. A., & Talreja, R. (1997). On Representation of Damage Evolution in Continuum Damage Mechanics. International Journal of Damage Mechanics. 6(1), 62-95.

Peer-Reviewed Conference Abstracts
Lee, J., Nouranian, S., Torres, G. W., Lacy, T., Toghiani, H., Pittman, C., & DuBien, J. L. (2012). Characterization of the Flexural Properties of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites by Experimental Design. Conference Abstract, The 2012 Annual Meeting of the American Institute of Chemical Engineers (AIChE), October 28-November 2. Pittsburg, PA. [Abstract] [Document Site]

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Vinyl Ester Resin Crosslinking Using Molecular Dynamics Simulations. 2012 AIChE Annual Meeting. Pittsburgh,PA. [Document Site]

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2011). Moelcular Dynamcis Simulation of Vinyl Ester Resin Crosslinking. AIAA/ASME/ASCE/ASC Structures, Structural Dynamics, and Materials Conference. Honolulu, Hawaii (Accepted). [Document]

Nouranian, S., Toghiani, H., Lacy, T., DuBien, J. L., & Pittman, C. (2011). Designed Experimental Study of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites with Focus on the Effects of Formulation and Processing Factors on the Nanocomposite Dynamic Mechanical Properties over a Wide Temperature Range. Conference abstract, The 2011 Annual Meeting of the American Institute of Chemical Engineers (AIChE), October, 16-21. Minneapolis, MN. [Abstract] [Document Site]

Jang, C., Nouranian, S., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2011). Molecular Dynamics Simulations of an Oxidized Vapor-Grown Carbon Nanofiber and Vinyl Ester Resin Interactions Leading to a Possible Interphase Formation in the Cured Nanocomposite. Conference abstract, The 2011 Annual Meeting of the American Institute of Chemical Engineers (AIChE), October, 16-21. Minneapolis, MN. [Abstract] [Document Site]

Nouranian, S., Jang, C., Toghiani, H., Pittman, C., Lacy, T., & Gwaltney, S. R. (2010). Investigation of Vinyl Ester Resin/Vapor-grown Carbon Nanofiber Surface Interactions using Molecular Dynamics Simulations. Conference abstract, The 2010 Annual Meeting of the American Institute of Chemical Engineers (AIChE), November 7-12. Salt Lake City, UT. [Abstract] [Document Site]

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2010). Micromechanically Based Multiscale Material Modeling of Polymer Composites with Coated Nanoreinforcements. 16th US National Congress of Theoretical and Applied Mechanics. State College, Pennsylvania.

Peer-Reviewed Conference Papers
Gharghabi, P., Lee, J., Mazzola, M., Lacy, T., & Kluss, J. V. (2017). Development of an Experimental Setup to Study Carbon/Epoxy Composite Subjected to Simulated Lightning Current. 2017 IEEE Conference on Electrical Insulation and Dielectric Phenomenon. Fort Worth, TX: IEEE. [Abstract]

Jayakody, N., Jha, R., & Lacy, T. (2015). Damage Diagnostics of Composite Fan Blades Using the Modified Time Reversal Method. Proceedings of the Fourth Annual ASME Gas Turbine India Conference, GTIndia2015. Hyderabad, India.

Khalili, A., Samaratunga, D., Jha, R., Lacy, T., & Gopalakrishnan, S. (2015). Wavelet Spectral Finite Element Based User-Defined Element in ABAQUS for Modeling Delamination in Composite Beam. AIAA SciTech Forum 2015. Kissimmee, FL.

AbuOmar, O., Nouranian, S., King, R., Ricks, T., & Lacy, T. (2014). Mechanical Property Classification of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using Support Vector Machines. Proceedings of the 2014 International Conference on Data Mining. Las Vegas, NV. [Document] [Document Site]

AbuOmar, O., Nouranian, S., King, R., & Lacy, T. (2014). On Materials Informatics and Knowledge Discovery: Mechanical Characterization of Vapor-Grown Carbon Nanofiber/ Vinyl Ester Nanocomposites. Shechtman International Symposium, June 29- July 04, 2014. Cancun, Mexico. [Document] [Document Site]

Feiguel, A., Ricks, T., McWilliams, J. K., Lacy, T., Myers, O., Jha, R., & Sullivan, R. W. (2014). On the Viability of Energy Harvesting Piezoelectric Devices for Supplemental Power Generation in UAVs. Proceedings of the 55th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, (SciTech2014). National Harbor, MD.

Simsiriwong, J., Sullivan, R. W., Lacy, T., & Hilton, H. (2013). Viscoelastic Creep Compliance of a Vinyl Ester Polymer with Statistical Distribution Functions. American Society for Composites 28th Annual Technical Conference. University Park, Pennsylvania.

Drake, D., Simsiriwong, J., Sullivan, R. W., Lacy, T., Pittman, C., Toghiani, H., DuBien, J. L., & Nouranian, S. (2013). Creep Compliance Characterization of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using a Central Composite Design of Experiments. 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Boston, MA. DOI:10.2514/6.2013-1585. [Abstract] [Document Site]

Drake, D., Simsiriwong, J., Sullivan, R. W., Toghiani, H., Lacy, T., & Pittman, C. (2012). Creep Characterization of Vinyl Ester Nano-Composites Using the Digital Image Correlation Technique. Proceedings of the American Society for Composites 27th Annual Technical Conference. Arlington, TX.

Lacy, T., Yu, J., Axe, J., & Luczak, T. (2012). The Effect of Driver Mass and Shaft Length on Initial Golf Ball Launch Conditions: A Designed Experimental Study. Procedia Engineering. 9th Conference of the International Sports Engineering Association, Lowell, Massachusetts, July 9-13, 2012. 34, 379-384.

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Molecular Dynamics Simulation of Vinyl Ester Resin Crosslinking. 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dyanmics, and Materials Conference. Honolulu, HI. [Abstract] [Document] [Document Site]

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2010). Micromechanical Modeling of Nanoreinforced Composites with Carbon Nanofibers and Interphase. the American Society for Composites 25th Annual Technical Conference. Dayton, Ohio.

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2010). Material Property Estimations for Nano-Reinforced Polymer Composites Using Classical Micromechanics and the Generalized Method of Cells. the 51st AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Orlando, Florida.

Rouhi, M., Rais-Rohani, M., Lacy, T., Garg, M., & Abdi, F. (2010). Mechanical Characterization of a Nanofiber Enhanced Polymer with Application to Composite Crush Tubes. 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Orlando, FL: AIAA.

Rouhi, M., Rais-Rohani, M., Lacy, T., Garg, M., & Abdi, F. (2010). Mechanical Characterization of Nanofiber Enhanced Polymer with Application to Composite Crush Tubes. 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Orlando, FL: AIAA.

Nouranian, S., Toghiani, H., Lacy, T., & Pittman, C. (2009). Experimental Study of the Dynamic Mechanical Properties of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites Fabricated Using Coupled High-shear Mixing and Ultrasonication. In the proceedings of the 2009 Annual Meeting of the American Institute of Chemical Engineers (AIChE), November 8-13. Nashville, TN. [Abstract] [Document] [Document Site]

Nouranian, S., Toghiani, H., Lacy, T., & Pittman, C. (2009). Response Surface Study of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites Fabricated Using High-shear Mixing. In the proceedings of the 24th technical conference of the American Society for Composites (ASC), University of Delaware, September 15-17. Newark, DE. [Abstract] [Document]

Nouranian, S., Toghiani, H., Lacy, T., & Pittman, C. (2009). Viscoelastic Properties of Vapor-grown Carbon Nanofiber/Vinyl Ester Nanocomposites. In the proceedings of the International SAMPE Symposium and Exhibition, SAMPE'09, Changing Times – New Opportunities, Are You Prepared? May 18-21. Baltimore, MD. [Abstract] [Document] [Document Site]

Hutchins, J., Sisti, J., Lacy, T., Nouranian, S., Toghiani, H., & Pittman, C. (2009). High Strain Rate Behavior of Carbon Nanofiber Reinforced Vinyl Ester. In the proceedings of the 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, May 4-7. Palm Springs, CA. [Abstract] [Document]

Samarah, I. K., Wehabe, G. S., & Lacy, T. (2006). Characterization of the Effect of Material Configuration and Impact Parameters on Damage Tolerance of Sandwich Composites. SAE paper 06GATC91 in the Proceedings of the 2006 SAE General Aviation Technology Conference, Wichita, Kansas, August 29-31, 2006.

Non-Refereed Conference Papers
Kabanda-Mihigo, C., Warren, J., Westberg, S., Kundu, S., Lacy, T., Toghiani, H., & Pittman, C. (2016). Effect of Combining Suspended Particle Shapes on Shear Thickening Fluid Behavior. Proceeding of the AIAA Science and Technology Forum and Exposition 2016. San Diego, CA.

Ricks, T., Lacy, T., Pineda, E. J., Bednarcyk, B. A., & Arnold, S. M. (2015). Computationally Efficient Solution of the High-Fidelity Generalized Method of Cells Micromechanics Relations. Proceedings of the American Society of Composites 30th Annual Technical Conference. East Lansing, MI. [Abstract] [Document]

Sullivan, R. W., & Lacy, T. (2015). Laminate Strain Allowables as Design Parameters in Teaching an Introductory Course on Composite Materials. Proceedings of the American Society for Composites 30th Annual Technical Conference. East Lansing, MI: DEStech.

Khalili, A., Samaratunga, D., Jha, R., Lacy, T., & Gopalakrishnan, S. (2015). WSFE-based User-Defined Elements in ABAQUS for Modeling 2D Laminated Composites with Complex Features. American Society for Composites - 30th Technical Conference. East Lansing, MI.

Warren, J., Kota, K. R., Westberg, S. M., Lacy, T., Kundu, S., Toghiani, H., & Pittman, C. (2015). Hypervelocity Impacts of Shear Thickening Fluid Imbibed Metallic Foam Core Sandwich Panels. In Proceedings 30th Technical Conference of the American Society for Composites. East Lansing, MI. [Abstract] [Document]

Khalili, A., Samaratunga, D., Jha, R., Lacy, T., & Gopalakrishnan, S. (2015). Wavelet Spectral Finite Element Based User-Defined Element in ABAQUS for Modeling Delamination in Composite Beams. 23rd AIAA/ASME/AHS Adaptive Structures Conf., AIAA Science and Technology Forum. Kissimmee, FL.

Warren, J., Offenberger, S., Lacy, T., Toghiani, H., Kundu, S., & Pittman, C. (2014). Hypervelocity Impact of Honeycomb Core Sandwich Panels Filled with Shear Thickening Fluid. Proceedings of the American Society for Composites 29th Annual Technical Conference. La Jolla, CA. 124-135.

Warren, J., Offenberger, S., Lacy, T., Toghiani, H., Kundu, S., & Pittman, R. C. (2014). Effect of Temperature on Shear Thickening Fluid Rheology. Proceedings of the American Society for Composites 29th Annual Technical Conference. La Jolla, CA. [Document Site]

Ricks, T., Lacy, T., Bednarcyk, B. A., & Arnold, S. M. (2014). An Efficient, Adaptive Multiscale Modeling Methodology for Simulating the Progressive Failure of Composite Materials. Proceedings of the American Society for Composites 29th Annual Technical Conference. La Jolla, CA.

Ricks, T., Lacy, T., McWilliams, K., Jha, R., & Roy, S. (2014). Efficient Coupling of Micro/macroscale Analyses with Stochastic Variations of Constituent Properties. The Proceedings of the American Society for Composites 29th Annual Technical Conference. La Jolla, CA.

Warren, J., Kundu, S., Offenberger, S., Lacy, T., Toghiani, H., & Pittman, C. (2014). Hypervelocity Impacts on Metallic Foam Core Sandwich Panels Filled with Shear Thickening Fluid. Proceedings 29th Technical Conference of the American Society for Composites, La Jolla, California. University of California San Diego: Dastech Publications Inc. [Document Site]

Warren, J., Offenberger, S., Lacy, T., Kundu, S., Toghiani, H., & Pittman, C. (2014). Hypervelocity Impact of Metallic Foam Core Sandwich Panels Filled with Shear Thickening Fluid Using ICME for Material Selection. Proceedings of the AIAA Science and Technology Forum and Exposition 2014. National Harbor, MD.

Offenberger, S., Warren, J., Lacy, T., Al-Ostaz, A., Toghiani, H., Kundu, S., & Pittman, C. (2014). Novel Composite Space Shielding Concepts for Hypervelocity Orbital Debris Impact Mitigation. Proceedings of the AIAA Science and Technology Forum and Exposition 2014. National Harbor, MD.

Ricks, T., Yu, J., Lacy, T., & Sullivan, R. W. (2013). Coupled Multi-Inclusion and Multi-Coating Micromechanics Modeling of Viscoelastic Composite Materials. American Society for Composites 28th Annual Technical Conference. State College, PA.

Ricks, T., Lacy, T., Bednarcyk, B. A., & Arnold, S. M. (2013). The Effect of Fiber Strength Stochastics and Local Volume Fraction Variation on Multiscale Progressive Failure of Composites. American Society for Composites 28th Annual Technical Conference. State College, PA.

Drake, D., Sullivan, R. W., Lacy, T., Toghiani, H., Pittman, C., & DuBien, J. (2013). Viscoelastic Characterization of Vinyl Ester Nanocomposites Using Response Surface Modeling. Proceedings of the American Society for Composites 28th Annual Technical Conference, University Park, Pennsylvania, September 9-11, 2013. University Park, Pennsylvania.

McWilliams, K., Lacy, T., Roy, S., & Jha, R. (2013). Development of an ICME-Based Airframe Digital Twin Model of an All-Composite Air Vehicle. Proceedings of the American Society for Composites 28th Annual Technical Conference, University Park, Pennsylvania, September 9-11, 2013. University Park, Pennsylvania.

Ricks, T., Lacy, T., Pineda, E. J., Bednarcyk, B. A., & Arnold, S. M. (2013). The Effect of Scale Dependent Discretization on the Progressive Failure of Composite Materials Using Multiscale Analyses. 54th AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Boston, MA.

Ricks, T., Lacy, T., Bednarcyk, B. A., & Arnold, S. M. (2012). On the Development of a Damage Tolerance Plan for Multifunctional Composites. Proceedings of the American Society for Composites 27th Annual Technical Conference. Arlington, TX.

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Interfacial Shear Strength of a Cured Vinyl Ester Resin At Graphene Sheets From Molecular Dynamics Simulations. Proceedings of the American Society for Composites 27th Annual Technical Conference. Arlington, TX.

Jang, C., Lacy, T., Gwaltney, S. R., Toghiani, H., & Pittman, C. (2012). Molecular Dynamics Simulation of Vinyl Ester Resin Crosslinking. Proceedings of the 53rd AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Honolulu, HI.

Ricks, T., Lacy, T., Bednarcyk, B. A., & Arnold, S. M. (2012). A Multiscale Modeling Methodology for Metal Matrix Composites Including Fiber Strength Stochastics. Proceedings of the 53rd AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Honolulu, HI.

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2012). Micromechanically Based Effective Thermal Conductivity Estimates for Polymer Nanocomposites. Proceedings of the 53rd AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Honolulu, HI.

Yu, J., Lacy, T., Toghiani, H., & Pittman, C. (2011). Effective Property Estimates for Composites Containing Multiple Nanoheterogeneities. Proceedings of the American Society for Composites 26th Annual Technical Conference, Montreal, Canada, September 26-28, 2011.

Hutchins, J., Liu, K. C., Lacy, T., & Chattopadhyay, A. (2010). A Comparison of Triaxially Braided Composites Using the Generalized Method of Cells. Proceedings of the 51st AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference. Orlando, Florida.

Zhou, Y., Jeelani, S., & Lacy, T. (2009). Fabrication and Characterization of Vapor Grown Carbon Nanofiber Reinforced Polyester. Proceedings of the 24th Annual Technical Conference of the American Society for Composites, Newark, Delaware, September 15-17, 2009.

Zhou, Y., Jeelani, S., Lacy, T., & Horstemeyer, M. (2008). Experimental Study on Thermal and Mechanical Properties of Clay Modified Carbon Fiber Reinforced Epoxy. Proceedings of the ASC 23rd Annual Technical Conference, Memphis, Tennessee, September 9-11, 2008.

Shaik, M. S., Zhou, Y., Lacy, T., & Horstemeyer, M. (2008). Experimental Study on Strain Rate Sensitivity of Aligned Carbon Nanofiber Reinforced Polypropylene. ICHMM-2008, Huangshan, China, June 3-8, 2008.

Zhou, Y., Jeelani, S., & Lacy, T. (2008). Strain Rate Dependent Behavior of Carbon Nanofiber Filled Polypropylene. Proceedings of the 49th AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference, Schaumburg, Illinois, April 7-10, 2008.

Sullivan, R. W., Hwang, Y., Rais-Rohani, M., Lacy, T., & Wiwattananon, J. (2007). Static Response of a Composite Wing Under a Whiffletree Loading. 22nd Annual Technical Conference of the American Society for Composites, Seattle, WA: ASC.

Yohannes, A., Lacy, T., & Hwang, Y. (2007). Hybrid Boundary Element Method for Two-Dimensional Linear Elastic Fracture Analysis. 48th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Honolulu, Hawaii: AIAA .

Hwang, Y., & Lacy, T. (2006). Compression-After-Impact Strength Estimates for Finite Width Sandwich Panels. 21st Annual Technical Conference. Dearborn, MI.

Yamada, Y., Lacy, T., Newman, J., Smith, B., & Kumar, B. (2006). Effects of Crack Closure on Fatigue Crack Growth Predictions for 2024-T351 Aluminium Alloy Panels Under Spectrum Loading. Proceedings of the 2006 International Fatigue Conference, Atlanta, Georgia, May 14-19, 2006.

Sullivan, R. W., Rais-Rohani, M., Lacy, T., & Alday, N. (2006). Structural Testing of an Ultralight Composite UAV. Proceedings of the 47th AIAA/ ASME/ ASCE/ AHS/ ASC Structures, Structural Dynamics, and Materials Conference, Newport, Rhode Island, May 1-4, 2006.

Yamada, Y., Newman, J., Jr., Lacy, T., & Luzar, J. (2005). Prediction of Fatigue Crack Growth for 7075-T7351 Aluminium Alloy Under Various Flight Load Spectra. Proceedings of the 2005 USAF Aircraft Structural Integrity Program Conference, Memphis, Tennessee, November 29–December 1, 2005.

Hwang, Y., & Lacy, T. (2004). Numerical Estimates of the Compressive Strength Impact-Damaged Sandwich Composites. ASC/ASTM-D30 Joint 19th Annual Technical Conference. Atlanta, GA: American Society of Composites.

Non-Refereed Conference Posters
Warren, J., Toghiani, H., Pittman, C., Lacy, T., Weigandt, K., & Kundu, S. (2015). Rheology and Structural Investigation of Fumed Silica Based Shear Thickening Fluids. Society of Rheology Annual Meeting. Baltimore, MD.

Nouranian, S., Toghiani, H., Lacy, T., Pittman, C., & DuBien, J. L. (2012). Design, Fabrication, Mechanical Characterization, Optimization, and Predictive Mechanical Modeling of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites. Unmanned Aerial Systems (UAS) Symposium, May 14-16, 2012. Mississippi State University, MS.

In-House
Lacy, T., Hwang, Y., & Solanki, K.N. (2007). Development of Material Models for Automobile Glasses. CAVS Internal Report MSU.CAVS.CMD.2007-R0013.

Technical Report
Lacy, T., Nouranian, S., Toghiani, H., Pittman, C., Gwaltney, S. R., Yu, J., Jang, C., & Sullivan, R. W. (2012). DOE SRCLID Final Annual Report for Phase IV, Task 3.2. Mississippi State University, MS: Center for Advanced Vehicular Systems.

Lacy, T., Toghiani, H., Pittman, C., Nouranian, S., & Yu, J. (2011). Structural Nanocomposite Design. SCRLID DOE Phase III Final Scientific and Technical Report, Task 9. Mississippi State University: Center for Advanced Vehicular Systems (CAVS). 1-21.

Lacy, T., Pittman, C., Toghiani, H., Nouranian, S., Hutchins, J., Zhou, Y., Jeelani, S., & Carpenter, J. A. (2008). Structural Nanocomposite Design. DOE/SRCLID Task 3 Annual Report. Mississippi State University: Center for Advanced Vehicular Systems (CAVS).

Lacy, T., Hwang, Y., & Solanki, K.N. (2007). Development of Material Models for Automobile Glasses. Nissan NTCNA.

Lacy, T., & Hwang, Y. (2004). Composite Louver Waveslap Analysis. Ebert Composites Corporation, Rockville, Maryland.

Shyprykevich, P., Tomblin, J., Ilcewicz, L., Vizzini, A. J., Lacy, T., & Hwang, Y. (2003). Guidelines for Analysis, Testing, and Nondestructive Inspection of Impact-Damaged Composite Sandwich Structures. Federal Aviation Administration Report Number DOT/FAA/AR-02/121. [Document Site]

Professional Presentations
Warren, J., Kundu, S., Weigandt, K., Lacy, T., Toghiani, H., & Pittman, C. (2015). Rheology and Structural Investigation of Fumed Silica Based Shear Thickening Fluids. Salt Lake City, UT: AIChE Annual Meeting. [Abstract]

Lacy, T., & Hwang, Y. (2002). Numerical Analysis of Impact-Damaged Sandwich Composites Subjected to Compression-After-Impact Loading. 14th U.S. National Congress of Theoretical and Applied Mechanics. Blacksburg, Virginia.