HR job title
- Professor
- Contact Info
Lacy, Thomas Professor
Positions
- Professor, Mechanical Engineering, College of Engineering
Dr. Lacy is interested in multifunctional composite materials for extreme environments, multiscale modeling, hypervelocity impacts, durability and damage tolerance.
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Overview
Publications
selected publications
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academic article
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Lee, J., Lacy, T. E., Pittman, C. U., & Reddy, J. N.
(2019).
Numerical estimations of lightning-induced mechanical damage in carbon/epoxy composites using shock wave overpressure and equivalent air blast overpressure. Composite Structures.
224, 111039-111039.
-
Mishra, S., Prado, R., Zhang, S., Lacy, T. E., Gu, X., & Kundu, S.
(2019).
Mechanical Properties and Failure Behavior of Physically Assembled Triblock Copolymer Gels with Varying Midblock Length. Journal of Polymer Science Part B Polymer Physics.
57(15), 1014-1026.
-
Lee, J., Lacy, T. E., Pittman, C. U., & Mazzola, M. S.
(2019).
Comparison of lightning protection performance of carbon/epoxy laminates with a non-metallic outer layer. Journal of Reinforced Plastics and Composites.
38(7), 301-313.
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Ouidadi, H., Lacy, T. E., & Newman, J. C.
(2019).
Evaluation of the two‐parameter fracture criterion for various crack configurations made of 7075‐T6 aluminium alloy using finite‐element fracture simulations. Fatigue & Fracture of Engineering Materials & Structures.
42(8), 1743-1759.
-
Abuomar, O., Nouranian, S., King, R., & Lacy, T. E.
(2019).
Application of materials informatics to vapor-grown carbon nanofiber/vinyl ester nanocomposites through self-organizing maps and clustering techniques. COMPUTATIONAL MATERIALS SCIENCE.
158, 98-109.
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Lee, J., Gharghabi, P., Boushab, D., Ricks, T. M., Lacy, T. E., Pittman, C. U., Mazzola, M. S., & Velicki, A.
(2018).
Artificial lightning strike tests on PRSEUS panels. Composites Part B Engineering.
154, 467-477.
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Lee, J., Lacy, T. E., Pittman, C. U., & Mazzola, M. S.
(2018).
Temperature‐dependent thermal decomposition of carbon/epoxy laminates subjected to simulated lightning currents. Polymer Composites.
39(S4), e2185-e2198.
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Lee, J., Lacy, T. E., Pittman, C. U., & Mazzola, M. S.
(2018).
Thermal response of carbon fiber epoxy laminates with metallic and nonmetallic protection layers to simulated lightning currents. Polymer Composites.
39(S4), e2149-e2166.
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Mishra, S., Badani Prado, R. M., Lacy, T. E., & Kundu, S.
(2018).
Investigation of failure behavior of a thermoplastic elastomer gel. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY.
14(39), 7958-7969.
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Daghigh, V., Lacy, T. E., Pittman, C. U., & Daghigh, H.
(2018).
Influence of maleated polypropylene coupling agent on mechanical and thermal behavior of latania fiber‐reinforced PP/EPDM composites. Polymer Composites.
39(S3), e1751-e1759.
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Chen, S., Sun, S., Li, C., Pittman, C. U., Lacy, T. E., Hu, S., & Gwaltney, S. R.
(2018).
Molecular dynamics simulations of the aggregation behaviour of overlapped graphene sheets in linear aliphatic hydrocarbons. Molecular Simulation.
44(12), 1-7.
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Mishra, S., Lacy, T. E., & Kundu, S.
(2018).
Effect of surface tension and geometry on cavitation in soft solids. International Journal of Non-Linear Mechanics.
98, 23-31.
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Newman, J. C., Kota, K., & Lacy, T. E.
(2018).
Fatigue and crack-growth behavior in a titanium alloy under constant-amplitude and spectrum loading. Engineering Fracture Mechanics.
187, 211-224.
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Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., Robens-Radermacher, A., Pineda, E. J., & Arnold, S. M.
(2018).
Solution of the Nonlinear High-Fidelity Generalized Method of Cells Micromechanics Relations via Order-Reduction Techniques. MATHEMATICAL PROBLEMS IN ENGINEERING.
2018, 1-11.
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Dou, Y., Ricks, T. M., DuBien, J. L., Lacy, T. E., & Liu, Y.
(2017).
Response surface modeling to facilitate the parametric study of transversely impacted pressurized pipelines. Thin-Walled Structures.
119, 646-652.
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Lee, J., Thompson, S. M., & Lacy, T. E.
(2017).
Thermal spreading analysis of a transversely isotropic heat spreader. International Journal of Thermal Sciences.
118, 461-474.
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Chen, S., Sun, S., Li, C., Pittman, C. U., Lacy, T. E., Hu, S., & Gwaltney, S. R.
(2017).
Molecular dynamics simulations of the graphene sheet aggregation in dodecane. Journal of Nanoparticle Research.
19(6), 195.
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DuPont, J., Yamada, Y., Lacy, T. E., & Newman, J. C.
(2017).
Prediction of fatigue-crack growth for 7075-T7351 aluminum alloy under various flight-load spectra. Engineering Fracture Mechanics.
177, 79-94.
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Zabet, M., Trinh, K., Toghiani, H., Lacy, T. E., Pittman, C. U., & Kundu, S.
(2017).
Anisotropic Nanoparticles Contributing to Shear-Thickening Behavior of Fumed Silica Suspensions. ACS Omega.
2(12), 8877-8887.
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Nasihatgozar, M., Daghigh, V., Lacy, T. E., Daghigh, H., Nikbin, K., & Simoneau, A.
(2016).
Mechanical characterization of novel latania natural fiber reinforced PP/EPDM composites. Polymer Testing.
56, 321-328.
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Chen, S., Sun, S., Li, C., Pittman, C. U., Lacy, T. E., 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.
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Ricks, T. M., Lacy, T. E., Pineda, E. J., Bednarcyk, B. A., & Arnold, S. M.
(2016).
Computationally efficient High-Fidelity Generalized Method of Cells micromechanics via order-reduction techniques. Composite Structures.
156, 2-9.
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Warren, J. M., Lacy, T., & Newman, J. C.
(2016).
Validation of the Two-Parameter Fracture Criterion using 3D finite-element analyses with the critical CTOA fracture criterion. Engineering Fracture Mechanics.
151, 130-137.
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Simsiriwong, J., Sullivan, R. W., Lacy, T. E., & Hilton, H. H.
(2015).
A statistical approach to characterize the viscoelastic creep compliances of a vinyl ester polymer. Polymer Testing.
48, 183-198.
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Drake, D. A., Sullivan, R. W., Lacy, T. E., Pittman, C. U., 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), n/a-n/a.
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Abuomar, O., Nouranian, S., King, R., Ricks, T. M., & Lacy, T. E.
(2015).
Comprehensive mechanical property classification of vapor-grown carbon nanofiber/vinyl ester nanocomposites using support vector machines. COMPUTATIONAL MATERIALS SCIENCE.
99, 316-325.
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Warren, J., Offenberger, S., Toghiani, H., Pittman, C. U., Lacy, T. E., & Kundu, S.
(2015).
Effect of Temperature on the Shear-Thickening Behavior of Fumed Silica Suspensions. ACS APPLIED MATERIALS & INTERFACES.
7(33), 18650-18661.
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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.
48(29), 3659-3672.
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Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., Arnold, S. M., & Hutchins, J. W.
(2014).
A multiscale progressive failure modeling methodology for composites that includes fiber strength stochastics. CMC-COMPUTERS MATERIALS & CONTINUA.
40(2), 99-129.
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Lee, J., Nouranian, S., Torres, G. W., Lacy, T. E., Toghiani, H., Pittman, C. U., & 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.
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AbuOmar, O., Nouranian, S., King, R., Bouvard, J. L., Toghiani, H., Lacy, T. E., & Pittman, C. U.
(2013).
Data mining and knowledge discovery in materials science and engineering: A polymer nanocomposites case study. Advanced Engineering Informatics.
27(4), 615-624.
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Nouranian, S., Lacy, T. E., Toghiani, H., Pittman, C. U., & 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.
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Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2013).
Micromechanically-based effective thermal conductivity estimates for polymer nanocomposites. Composites Part B Engineering.
53, 267-273.
-
Jang, C., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(2013).
Interfacial shear strength of cured vinyl ester resin-graphite nanoplatelet from molecular dynamics simulations. Polymer.
54(13), 3282-3289.
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Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2013).
Effective property estimates for composites containing multiple nanoheterogeneities: Part II nanofibers and voids. JOURNAL OF COMPOSITE MATERIALS.
47(10), 1273-1282.
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Nouranian, S., Lee, J., Torres, G. W., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2013).
Effects of Moulding condition and curing atmosphere on the flexural properties of vinyl ester. Polymers and Polymer Composites.
21(2), 61-64.
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Torres, G. W., Nouranian, S., Lacy, T. E., Toghiani, H., Pittman, C. U., & 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.
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Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2013).
Effective property estimates for composites containing multiple nanoheterogeneities: Part I Nanospheres, nanoplatelets, and voids. JOURNAL OF COMPOSITE MATERIALS.
47(5), 549-558.
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Yu, J., Lacy, T. E., Toghiani, H., Pittman, C. U., & Schneider, J.
(2012).
Determination of carbon nanofiber morphology in vinyl ester nanocomposites. JOURNAL OF COMPOSITE MATERIALS.
46(16), 1943-1953.
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Jang, C., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(2012).
Relative Reactivity Volume Criterion for Cross-Linking: Application to Vinyl Ester Resin Molecular Dynamics Simulations. MACROMOLECULES.
45(13), 5619-5619.
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Jang, C., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(2012).
Relative Reactivity Volume Criterion for Cross-Linking: Application to Vinyl Ester Resin Molecular Dynamics Simulations. MACROMOLECULES.
45(11), 4876-4885.
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Jang, C., Nouranian, S., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(2012).
Molecular dynamics simulations of oxidized vapor-grown carbon nanofiber surface interactions with vinyl ester resin monomers. CARBON.
50(3), 748-760.
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Yohannes, A., Lacy, T. E., & 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.
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Yu, J., Lacy, T. E., Toghiani, H., Pittman, C. U., & Hwang, Y.
(2011).
Classical micromechanics modeling of nanocomposites with carbon nanofibers and interphase. JOURNAL OF COMPOSITE MATERIALS.
45(23), 2401-2413.
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Nouranian, S., Toghiani, H., Lacy, T. E., Pittman, C. U., & 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.
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Nouranian, S., Jang, C., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(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.
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Du, Y., Zhang, J., Yu, J., Lacy, T. E., Xue, Y., Toghiani, H., Horstemeyer, M. F., & Pittman, C. U.
(2010).
Kenaf Bast Fiber Bundle–Reinforced Unsaturated Polyester Composites. IV: Effects of Fiber Loadings and Aspect Ratios on Composite Tensile Properties. FOREST PRODUCTS JOURNAL.
60(7), 582-591.
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Du, Y., Zhang, J., Xue, Y., Lacy, T. E., Toghiani, H., Horstemeyer, M. F., & Pittman, C. U.
(2010).
Kenaf Bast Fiber Bundle–Reinforced Unsaturated Polyester Composites. III: Statistical Strength Characteristics and Cost-Performance Analyses. FOREST PRODUCTS JOURNAL.
60(6), 514-521.
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Du, Y., Zhang, J., Wang, C., Lacy, T. E., Xue, Y., Toghiani, H., Horstemeyer, M. F., & Pittman, C. U.
(2010).
Kenaf Bast Fiber Bundle–Reinforced Unsaturated Polyester Composites. II: Water Resistance and Composite Mechanical Properties Improvement. FOREST PRODUCTS JOURNAL.
60(4), 366-372.
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Du, Y., Zhang, J., Toghiani, H., Lacy, T. E., Xue, Y., Horstemeyer, M. F., & Pittman, C. U.
(2010).
Kenaf Bast Fiber Bundle–Reinforced Unsaturated Polyester Composites. I: Processing Techniques for High Kenaf Fiber Loading. FOREST PRODUCTS JOURNAL.
60(3), 289-295.
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Sullivan, R. W., Hwang, Y., Rais-Rohani, M., & Lacy, T.
(2009).
Structural Analysis and Testing of an Ultralight Unmanned-Aerial-Vehicle Carbon-Composite Wing. 14th Fluid and Plasma Dynamics Conference.
46(3), 814-820.
-
Yamada, Y., Lacy, T., & Luzar, J.
(2009).
Residual-Strength Assessment of Modified Transport Aircraft Fuselages. 14th Fluid and Plasma Dynamics Conference.
46(1), 85-94.
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Ingram, J., Zhou, Y., Jeelani, .., Lacy, T., & Horstemeyer, M. F.
(2008).
Effect of strain rate on tensile behavior of polypropylene and carbon nanofiber filled polypropylene. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING.
489(1-2), 99-106.
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Zhou, Y., Akanda, S. R., Jeelani, .., & Lacy, T. E.
(2007).
Nonlinear constitutive equation for vapor-grown carbon nanofiber-reinforced SC-15 epoxy at different strain rate. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING.
465(1-2), 238-246.
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Yamada, Y., Lacy, T., Newman, J., Smith, B. L., & Kumar, B.
(2007).
Effects of crack closure on fatigue crack-growth predictions for 2024-T351 aluminum alloy panels under spectrum loading. International Journal of Fatigue.
29(8), 1503-1509.
-
Hwang, Y., & Lacy, T. E.
(2007).
Numerical Estimates of the Compressive Strength of Impact-damaged Sandwich Composites. JOURNAL OF COMPOSITE MATERIALS.
41(3), 367-388.
-
Samarah, I. K., Weheba, G. S., & Lacy, T. E.
(2006).
Response surface characterization of the mechanical behavior of impact-damaged sandwich composites. Journal of Applied Statistics.
33(4), 427-437.
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Cope, D. A., & Lacy, T. E.
(2004).
Modeling Mechanical Fasteners in Single-Shear Lap Joints. 14th Fluid and Plasma Dynamics Conference.
41(6), 1491-1497.
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Hijazi, A. L., Lacy, T. E., & Smith, B. L.
(2004).
Comparison of Residual Strength Estimates for Bolted Lap-Joint Panels. 14th Fluid and Plasma Dynamics Conference.
41(3), 657-664.
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Hijazi, A. L., Smith, B. L., & Lacy, T. E.
(2004).
Linkup Strength of 2024-T3 Bolted Lap Joint Panels with Multiple Site Damage. 14th Fluid and Plasma Dynamics Conference.
41(2), 359-364.
-
Lacy, T. E., & Hwang, Y.
(2003).
Numerical modeling of impact-damaged sandwich composites subjected to compression-after-impact loading. Composite Structures.
61(1-2), 115-128.
-
Lacy, T. E., McDowell, D. L., & Talreja, R.
(1999).
Gradient concepts for evolution of damage. Mechanics of Materials.
31(12), 831-860.
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Lacy, T. E., McDowell, D. L., Willice, P. A., & Talreja, R.
(1997).
On Representation of Damage Evolution in Continuum Damage Mechanics. International Journal of Damage Mechanics.
6(1), 62-95.
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Lacy, T. E., Talreja, R., & McDowell, D. L.
(1997).
Effects of damage distribution on evolution. ASTM Special Technical Publication.
1315, 131-149.
-
Lee, J., Lacy, T. E., Pittman, C. U., & Reddy, J. N.
(2019).
Numerical estimations of lightning-induced mechanical damage in carbon/epoxy composites using shock wave overpressure and equivalent air blast overpressure. Composite Structures.
224, 111039-111039.
-
conference paper
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Warren, J., Cole, M., Offenberger, S., Kota, K. R., Lacy, T. E., Toghiani, H., ... Pittman, C. U.
(2021).
Hypervelocity Impacts on Honeycomb Core Sandwich Panels Filled with Shear Thickening Fluid. International Journal of Impact Engineering.
103803-103803.
-
Gharghabi, P., Lee, J., Mazzola, M., Lacy, T., & Kluss, J.
(2017).
Development of an Experimental Setup to Study Carbon/Epoxy Composite Subjected to Simulated Lightning Current. 2019 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (CEIDP).
773-776.
-
Ricks, T. M., Lacy, T. E., Pineda, E. J., Bednarcyk, B. A., & Arnold, S. M.
(2017).
Order-reduced solution of the nonlinear high-fidelity generalized method of cells micromechanics relations. 1642-1654.
-
Gharghabi, P., Lee, J., Mazzola, M. S., & Lacy, T. E.
(2016).
Development of an experimental setup to analyze carbon/epoxy composite subjected to current impulses
-
Mihigo, C. K., Warren, J., Zabet, M., Lacy, T. E., Kundu, S., Pittman, C. U., & Toghiani, H.
(2016).
Effect of suspended particle shapes on shear thickening fluid behavior
-
Lee, J., Lacy, T. E., Pittman, C. U., & Mazzola, M. S.
(2016).
Thermal response to simulated lightning currents on stitched composite aircraft structures
-
Jayakody, N., Jha, R., & Lacy, T. E.
(2015).
Damage Diagnostics of Composite Fan Blades Using the Modified Time Reversal Method. v001t05a004-v001t05a004.
-
Ricks, T. M., Lacy, T. E., Pineda, E. J., Bednarcyk, B. A., & Arnold, S. M.
(2015).
Computationally efficient solution of the High-Fidelity Generalized Method of cells micromechanics relations
-
Warren, J., Kota, K. R., Westberg, S. M., Lacy, T., Kundu, S., Toghiani, H., & Pittman, C. U.
(2015).
Hypervelocity impacts of shear thickening fluid imbibed metallic foam core sandwich panels
-
Sullivan, R. W., & Lacy, T. E.
(2015).
Laminate strain allowables as design parameters in teaching an introductory course on composite materials
-
Khalili, A., Samaratunga, D., Jha, R., Lacy, T. E., & Gopalakrishnan, S.
(2015).
WSFE-based user-defined elements in ABAQUS for modeling 2D laminated composites with complex features
-
Khalili, A., Samaratunga, D., Jha, R., Lacy, T. E., & Gopalakrishnanrth, S.
(2015).
Wavelet spectral finite element based user-defined element in ABAQUS for modeling delamination in composite beams
-
Warren, J., Kundu, S., Offenberger, S., Lacy, T., Toghiani, H., & Pittman, C. U.
(2014).
Effect of temperature on shear thickening fluid rheology
-
Mcwilliams, K., Ricks, T. M., Lacy, T. E., Roy, S., & Jha, R.
(2014).
Efficient coupling of micro/macroscale analyses with stochastic variations of constituent properties
-
Offenberger, S. A., Warren, J., Lacy, T. E., Al-Ostaz, A., Toghiani, H., Kundu, S., & Pittman, C.
(2014).
Novel Composite Space Shielding Concepts for Hypervelocity Orbital Debris Impact Mitigation
-
Feiguel, A., Ricks, T. M., McWilliams, K., Lacy, T. E., Myers, O. J., Donohoe, P., Jha, R., & Sullivan, R. W.
(2014).
On the Viability of Energy Harvesting Piezoelectric Devices for Supplemental Power Generation in Uninhabited Aircraft Systems
-
Ricks, T. M., Yu, J., Lacy, T. E., & Sullivan, R. W.
(2013).
Coupled multi-inclusion and multi-coating micromechanics modeling of viscoelastic composite materials. 1709-1719.
-
Mcwilliams, K., Lacy, T. E., Roy, S., & Jha, R.
(2013).
Development of an ICME-based airframe digital twin model of an all-composite air vehicle. 114-125.
-
Warren, J., Cole, M., Offenberger, S., Lacy, T., Toghiani, H., Burchell, M., Kundu, S., & Pittman, C. U.
(2013).
Hypervelocity impact of honeycomb core sandwich panels filled with shear thickening fluid. 1352-1362.
-
Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., & Arnold, S. M.
(2013).
The effect of fiber strength stochastics and local fiber volume fraction on multiscale progressive failure of composites. 77-85.
-
Drake, D. A., Sullivan, R. W., Toghiani, H., Lacy, T. E., Pittman, C. U., DuBien, J., & Nouranian, S.
(2013).
Viscoelastic characterization of vinyl ester nano-composites using response surface modeling. 1738-1754.
-
Simsiriwong, J., Sullivan, R. W., Lacy, T. E., & Hilton, H. H.
(2013).
Viscoelastic creep compliance of a vinyl ester polymer with statistical distribution functions. 1720-1737.
-
Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2013).
Micromechanically-based effective thermal conductivity estimates for polymer nanocomposites. Composites Part B Engineering.
267-273.
-
Drake, D., Simsiriwong, J., Sullivan, R. W., Lacy, T. E., Pittman, C. U., Toghiani, H., Du Bien, J., & Nouranian, S.
(2013).
Creep compliance characterization of vapor-grown carbon nanofiber/vinyl ester nanocomposites using a central composite design of experiments. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Ricks, T. M., Lacy, T. E., 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
-
Drake, D. A., Simsiriwong, J., Sullivan, R. W., Toghiani, H., Nouranian, S., DuBien, J., Lacy, T. E., & Pittman, C. U.
(2013).
Creep Compliance Characterization of Vapor-Grown Carbon Nanofiber/Vinyl Ester Nanocomposites Using a Central Composite Design of Experiments
-
Ricks, T. M., Lacy, T. E., 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. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., & Arnold, S. M.
(2012).
A multiscale modeling methodology for metal matrix composites including fiber strength stochastics. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., & Arnold, S. M.
(2012).
A multiscale modeling methodology for metal matrix composites including fiber strength stochastics
-
Warren, J., Offenberger, S., Lacy, T., Toghiani, H., & Pittman, C. U.
(2012).
Characterization of debris cloud distribution and damage caused by hypervelocity impacts on vapor grown carbon nanofiber reinforced laminate shielding. 524-533.
-
Drake, D. A., Simsiriwong, J., Sullivan, R. W., Toghiani, H., Lacy, T. E., & Pittman, C. U.
(2012).
Creep characterization of vinyl ester nano-composites using the digital image correlation technique. 1557-1568.
-
Jang, C., Lacy, T. E., Gwaltney, S. R., Tohigani, H., & Pittman, C. U.
(2012).
Interfacial shear strength of a cured vinyl ester resin at graphene sheets from molecular dynamics simulations. 1951-1969.
-
Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2012).
Micromechanically based effective thermal conductivity estimates for polymer nanocomposites
-
Jang, C., Lacy, T. E., Gwaltney, S. R., Pittman, C. U., & Toghiani, H.
(2012).
Molecular dynamics simulations of vinyl ester resin crosslinking. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Jang, C., Lacy, T. E., Gwaltney, S. R., Pittman, C. U., & Toghiani, H.
(2012).
Molecular dynamics simulations of vinyl ester resin crosslinking
-
Ricks, T. M., Lacy, T. E., Bednarcyk, B. A., & Arnold, S. M.
(2012).
On the development of a damage tolerance plan for multifunctional composites. 1378-1391.
-
Lacy, T. E., 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.
379-384.
-
Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2011).
Effective property estimates for composites containing multiple nanoheterogeneities. 1448-1466.
-
Nouranian, S., Toghiani, H., Swalm, D. C., Lacy, T. E., DuBien, J. L., & Pittman, C. U.
(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. 974-975.
-
Jang, C., Nouranian, S., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(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. 82-83.
-
Jang, C., Nouranian, S., Lacy, T. E., Gwaltney, S. R., Toghiani, H., & Pittman, C. U.
(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. 108-109.
-
Hutchins, J. W., Liu, K. C., Lacy, T. E., Chattopadhyay, A., & Bednarcyk, B. A.
(2010).
A comparison of triaxially braided composites using the generalized method of cells. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2010).
Material property estimations and comparisons of nano-reinforced polymer composites using classical micromechanics and the generalized method of cells. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Rouhi, M., Rais-Rohani, M., Lacy, T. E., Garg, M., & Abdi, F.
(2010).
Mechanical characterization of a nanofiber enhanced polymer with application to composite crush tubes. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Yu, J., Lacy, T. E., Toghiani, H., & Pittman, C. U.
(2010).
Micromechanical modeling of nanoreinforced composites with carbon nanofibers and interphase. 622-636.
-
Nouranian, S., Toghiani, H., Lacy, T. E., & Pittman, C. U.
(2009).
Experimental study of the dynamic mechanical properties of vapor-grown carbon nanofiber/vinyl ester nanocomposites fabricated using coupled high-shear mixing and ultrasonication
-
Zhou, Y., Jeelani, S., & Lacy, T. E.
(2009).
Fabrication and characterization of vapor grown carbon nanofiber reinforced polyester. 969-978.
-
Hutchins, J. W., Sisti, J., Lacy, T. E., Nouranian, S., Toghiani, H., & Pittman, C. U.
(2009).
High strain rate behavior of carbon nanofiber reinforced vinyl ester. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Yamada, Y., Newman, J., & Lacy, T.
(2009).
Prediction of fatigue crack growth for 7075-T7351 aluminum alloy under various flight load spectra. 6402-6411.
-
Nouranian, S., Toghiani, H., Lacy, T. E., & Pittman, C. U.
(2009).
Response surface study of vapor-grown carbon nanoflber/vinyl ester nanocomposites fabricated using high-shear mixing. 643-660.
-
Nouranian, S., Toghiani, H., Lacy, T. E., & Pittman, C. U.
(2009).
Viscoelastic properties of vapor-grown carbon nanofiber/vinyl ester nanocomposites. International SAMPE Symposium and Exhibition (Proceedings).
-
Zhou, Y., Shaik, M. S., Jeelani, S., Lacy, T. E., & Horstemeyer, M. F.
(2008).
Experimental study on thermal and mechanical properties of clay modified carbon fiber reinforced epoxy. 1286-1294.
-
Shaik, M. S., Zhou, Y., Lacy, T., & Horstemeyer, M. F.
(2008).
Experimental study on strain rate sensitivity of aligned carbon nanofiber reinforced polypropylene. 428-431.
-
Zhou, Y., Jeelani, S., & Lacy, T.
(2008).
Strain rate dependent behavior of carbon nanofiber filled polypropylene. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
-
Sullivan, R. W., Hwang, Y., Rais-Rohani, M., Lacy, T. E., & Wiwattananon, P.
(2007).
Static response of a composite wing under a whiffletree loading. 1106-1123.
-
Hwang, Y., & Lacy, T. E.
(2006).
Compression-after-impact strength estimates for finite width sandwich panels. 359-377.
-
Sullivan, R., Rais-Rohani, M., Lacy, T., & Alday, N.
(2006).
Structural testing of an ultralight UAV composite wing. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
3403-3412.
-
Samarah, I. K., Weheba, G. S., & Lacy, T. E.
(2006).
Characterization of the Effect of Material Configuration and Impact Parameters on Damage Tolerance of Sandwich Composites. SAE Technical Paper Series.
-
Lacy, T. E., Samarah, I. K., & Tomblin, J. S.
(2002).
Damage Resistance Characterization of Sandwich Composites Using Response Surfaces. SAE Technical Paper Series.
-
Cope, D. A., & Lacy, T. E.
(2000).
Stress intensity determination in lap joints with mechanical fasteners
-
Cope, D. A., & Lacy, T. E.
(2000).
Stress intensity determination in lap joints with mechanical fasteners. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
274-283.
-
Yohannes, A., Lacy, T. E., & Youngkeun, H.
Hybrid boundary element method for two-dimensional linear elastic fracture analysis. 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit.
8091-8110.
-
Warren, J., Cole, M., Offenberger, S., Kota, K. R., Lacy, T. E., Toghiani, H., ... Pittman, C. U.
(2021).
Hypervelocity Impacts on Honeycomb Core Sandwich Panels Filled with Shear Thickening Fluid. International Journal of Impact Engineering.
103803-103803.
Teaching
teaching activities
- MEEN225 Engineering Mechanics Instructor
- MEEN368 Solid Mech In Mec Design Instructor
- MEEN444 Fin Elmt Anl Mech Engr Instructor
- MEEN471 Elem Of Comp Materials Instructor
- MEEN489 Sptp: Solid Mech Instructor
- MEEN491 Hnr-research Instructor
- MEEN672 Intro Finite Elements Instructor
- MEEN684 Professional Internship Instructor
- MEEN684 Professional Internship Instructor
- MEEN685 Directed Studies Instructor
- MEEN691 Research Instructor
Background
education and training
- Ph.D. in Mechanical Engineering, Georgia Institute of Technology - (Atlanta, Georgia, United States) 1998
- M.S. in Mechanical Engineering, Georgia Institute of Technology - (Atlanta, Georgia, United States) 1992
- B.S. in Mechanical Engineering, University of New Mexico - (Albuquerque, New Mexico, United States) 1983
Contact
first name
- Thomas
has last name
- Lacy
Other
- telacyjr@tamu.edu