Timothy William Simpson, PhD

    • 15212 Citations
    • 52 h-Index
    19952020

    Research output per year

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    Research Output

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    2020

    Active - Z printing: A new approach to increasing3D printed part strength

    Khurana, J. B., Dinda, S. & Simpson, T. W., Jan 1 2020, p. 1627-1644. 18 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Structurally intelligent 3D layer generation for active-Z printing

    Khurana, J. B., Simpson, T. W. & Frecker, M., 2020, p. 2413-2426. 14 p.

    Research output: Contribution to conferencePaper

    Using autoencoded voxel patterns to predict part mass, required support material, and build time

    Murphy, C., Meisel, N. A., Simpson, T. W. & McComb, C., Jan 1 2020, p. 1660-1674. 15 p.

    Research output: Contribution to conferencePaper

    2018

    Clustering design structure matrices: A comparison of methods using minimum description length

    Kulkarni, A., Jennings, C., Hoffman, M., Blanco, E., Terpenny, J. P. & Simpson, T., Jan 1 2018, p. 1114-1120. 7 p.

    Research output: Contribution to conferencePaper

    2016

    3D printing in the wild: A preliminary investigation of air quality in college maker spaces

    McDonnell, B., Guzman, X. J., Dolack, M., Simpson, T. W. & Cimbala, J. M., 2016, p. 2456-2469. 14 p.

    Research output: Contribution to conferencePaper

    6 Scopus citations

    3D printing of shape changing polymer structures: Design and characterization of materials

    Kantareddy, S. N. R., Simpson, T. W., Ounaies, Z. & Frecker, M., 2016, p. 2224-2235. 12 p.

    Research output: Contribution to conferencePaper

    4 Scopus citations

    A Preliminary Examination of Variability Due to Build Location and Powder Feedstock in Additive Manufacture of Inconel 718 using Laser-Based Powder Bed Fusion

    Saint John, D. B., Joshi, S. B., Simpson, T. W., Qu, M., Rowatt, J. D. & Lou, Y., 2016, p. 542-557. 16 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Cost modeling and depreciation for reused powder feedstocks in powder bed fusion additive manufacturing

    Barclift, M., Joshi, S., Simpson, T. & Dickman, C., Jan 1 2016, p. 2007-2028. 22 p.

    Research output: Contribution to conferencePaper

    7 Scopus citations

    Dissolvable metal supports for printed metal parts

    Lefky, C. S., Nassar, A. R., Simpson, T. & Hildreth, O. J., Jan 1 2016, p. 1604-1610. 7 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Morphology and Grain Texture in As-Deposited and Heat Treated Inconel 718 Structures Produced using Laser-Based Powder Bed Fusion

    Saint John, D. B., Joshi, S. B., Simpson, T. W., Qu, M., Rowatt, J. D. & Lou, Y., 2016, p. 530-541. 12 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Predicting strength of thermoplastic polymer parts produced using additive manufacturing

    Bartolai, J., Simpson, T. W. & Xie, R., Jan 1 2016, p. 951-963. 13 p.

    Research output: Contribution to conferencePaper

    6 Scopus citations

    Saving weight with metallic lattice structures: Design challenges with a real-world example

    Kantareddy, S. N. R., Roh, B. M., Simpson, T. W., Joshi, S., Dickman, C. & Lehtihet, E. A., Jan 1 2016, p. 2139-2154. 16 p.

    Research output: Contribution to conferencePaper

    4 Scopus citations
    2014

    A clustering method using new modularity indices and a genetic algorithm with extended chromosomes

    Jung, S. & Simpson, T. W., Jan 1 2014, p. 167-176. 10 p.

    Research output: Contribution to conferencePaper

    6 Scopus citations

    Assessment of product archaeology as a framework for contextualizing engineering design

    Lewis, K., Moore-Russo, D. A., Mckenna, A. F., Cormier, P. M., Johnson, A. M., Carberry, A. R., Chen, W., Gatchell, D. W., Simpson, T. W., Tucker, C., Okudan Kremer, G. E., Zappe, S. E., Shooter, S. B., Kim, C., Williams, C. B., McNair, L. D., Paretti, M. C. & Tranquillo, J., Jan 1 2014.

    Research output: Contribution to conferencePaper

    1 Scopus citations
    2013

    A process planning framework for lens metal additive manufacturing

    Chernow, E., Samperi, M., Joshi, S., Simpson, T. W., Reutzel, T. & Martukanitz, R. P., Jan 1 2013, p. 2377-2383. 7 p.

    Research output: Contribution to conferencePaper

    2 Scopus citations

    Integrating engineering and arts through capstone design: Creative campus meets the learning factory

    Simpson, T. W., Shaffer, M., Halpin, E. C., Vashaw, A. D. & Evensen, D. H., Sep 24 2013.

    Research output: Contribution to conferencePaper

    4 Scopus citations

    The development of product archaeology as a platform for contextualizing engineering design

    Lewis, K., Moore-Russo, D. A., Kremer, G. E. O., Tucker, C., Simpson, T. W., Zappe, S. E., McKenna, A. F., Carberry, A. R., Chen, W., Gatchell, D. W., Shooter, S. B., Paretti, M. C., McNair, L. D. & Williams, C. B., Sep 24 2013.

    Research output: Contribution to conferencePaper

    6 Scopus citations
    2007

    Using cyberinfrastructure to enhance product dissection in the classroom

    Simpson, T. W., Stone, R. B., Lewis, K. E. & Regli, W. C., Dec 1 2007, p. 643-648. 6 p.

    Research output: Contribution to conferencePaper

    7 Scopus citations
    2006

    A conceptual method to evaluate relative instructional efficiencies of case studies in product platform planning

    Sahin, A., Terpenny, J. P., Shooter, S. B., Stone, R. B. & Simpson, T. W., Dec 1 2006.

    Research output: Contribution to conferencePaper

    2 Scopus citations

    Ontological specification of performance models for multi-agent systems

    Nanda, J., Gnanasambandam, N., Tirupatikumara, S. R. & Simpson, T. W., Dec 1 2006.

    Research output: Contribution to conferencePaper

    Service configuration mechanism: Graph-theoretical modeling of service configurations

    Nanda, J., Simpson, T. W., Wilkinson, K. & Govindrajan, K., Dec 1 2006.

    Research output: Contribution to conferencePaper

    4 Scopus citations
    2005

    Introduction of the reuse method: Retrieving knowledge from existing product designs

    Alizon, F., Shooter, S. & Simpson, T., Jan 1 2005, p. 335-343. 9 p.

    Research output: Contribution to conferencePaper

    2 Scopus citations
    2004

    A comparison of commonality indices for product family design

    Thevenot, H. J. & Simpson, T. W., 2004, p. 169-178. 10 p.

    Research output: Contribution to conferencePaper

    28 Scopus citations

    Advancements in a web-based framework in product family optmization and visualization

    Mulberger, J. L. & Simpson, T. W., Dec 1 2004, p. 357-366. 10 p.

    Research output: Contribution to conferencePaper

    4 Scopus citations

    Development of a production cost estimation framework for product family design

    Park, J. & Simpson, T. W., 2004, p. 257-266. 10 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Development of a production cost estimation framework for product family design

    Park, J. & Simpson, T. W., Dec 1 2004, p. 2353-2358. 6 p.

    Research output: Contribution to conferencePaper

    1 Scopus citations

    Examination of platform and differentiating elements in product design

    Van Wie, M., Stone, R. B., Thevenot, H. & Simpson, T., Jan 1 2004, p. 41-54. 14 p.

    Research output: Contribution to conferencePaper

    2 Scopus citations

    Exploring semantic web technologies for product family modeling

    Nanda, J., Thevenot, H. J., Simpson, T. W., Kumara, S. R. T. & Shooter, S. B., 2004, p. 309-318. 10 p.

    Research output: Contribution to conferencePaper

    19 Scopus citations

    Graphical user interfaces for engineering design: Impact of response delay and training on user performance

    Barron, K., Simpson, T. W., Rothrock, L., Frecker, M., Barton, R. R. & Ligetti, C., 2004, p. 11-20. 10 p.

    Research output: Contribution to conferencePaper

    13 Scopus citations

    On the use of kriging models to approximate deterministic computer models

    Martin, J. D. & Simpson, T. W., 2004, p. 481-492. 12 p.

    Research output: Contribution to conferencePaper

    45 Scopus citations

    Toward an information management infrastructure for product family planning and mass customization

    Shooter, S. B., Simpson, T. W., Kumara, S. R. T., Stone, R. B. & Terpenny, J. P., 2004, p. 781-790. 10 p.

    Research output: Contribution to conferencePaper

    18 Scopus citations
    2003

    Analysis of support vector regression for approximation of complex engineering analyses

    Clarke, S. M., Simpson, T. W. & Griebsch, J. H., Jan 1 2003, p. 535-543. 9 p.

    Research output: Contribution to conferencePaper

    20 Scopus citations

    A prototype web-based custom product specification system

    Farrell, R. S., Stump, G., Park, J. & Simpson, T. W., Dec 1 2003, p. 937-945. 9 p.

    Research output: Contribution to conferencePaper

    3 Scopus citations

    A study on the use of kriging models to approximate deterministic computer models

    Martin, J. D. & Simpson, T. W., 2003, p. 567-576. 10 p.

    Research output: Contribution to conferencePaper

    Design space visualization and its application to a design by shopping paradigm

    Stump, G. M., Simpson, T. W., Yukish, M. A. & Harris, E. N., Dec 1 2003, p. 795-804. 10 p.

    Research output: Contribution to conferencePaper

    60 Scopus citations

    Production cost modeling to support product family design optimization

    Park, J. & Simpson, T. W., 2003, p. 165-174. 10 p.

    Research output: Contribution to conferencePaper

    17 Scopus citations

    Product platform design and optimization: Status and promise

    Simpson, T. W., 2003, p. 131-142. 12 p.

    Research output: Contribution to conferencePaper

    72 Scopus citations

    Towards a conceptual design explorer using metamodeling approaches and constraint programming

    Yannou, B., Simpson, T. W. & Barton, R. R., 2003, p. 605-614. 10 p.

    Research output: Contribution to conferencePaper

    15 Scopus citations
    2002
    35 Scopus citations

    A web-based information management system for bus test data for the Pennsylvania Transportation Institute

    Nanda, J., Iera, R., Clarke, S., Simpson, T. W. & Klinikowski, D. J., Dec 1 2002, p. 365-372. 8 p.

    Research output: Contribution to conferencePaper

    Facilitating probabilistic multidisciplinary design optimization using Kriging approximation models

    Koch, P. N., Wujek, B., Golovidov, O. & Simpson, T. W., 2002.

    Research output: Contribution to conferencePaper

    45 Scopus citations

    Fuzzy clustering based hierarchical metamodeling for design optimization

    Wang, G. G. & Simpson, T. W., Jan 1 2002.

    Research output: Contribution to conferencePaper

    Multidimensional visualization and its application to a design by shopping paradigm

    Stump, G. M., Simpson, T. W., Yukish, M. A. & Bennett, L., Jan 1 2002.

    Research output: Contribution to conferencePaper

    66 Scopus citations

    Multidisciplinary design optimization testbed based on autonomous underwater vehicle design

    McAllister, C. D., Simpson, T. W., Kurtz, P. H. & Yukish, M., 2002.

    Research output: Contribution to conferencePaper

    15 Scopus citations

    The technical issues with implementing spacecraft open avionics platforms

    Caffrey, R. T., Simpson, T. W., Henderson, R. & Crawley, E., Dec 1 2002.

    Research output: Contribution to conferencePaper

    4 Scopus citations

    Use of adaptive metamodeling for design optimization

    Martin, J. D. & Simpson, T. W., Jan 1 2002.

    Research output: Contribution to conferencePaper

    2001

    Computationally inexpensive metamodel assessment strategies

    Meckesheimer, M., Barton, R. R., Simpson, T. W. & Booker, A. J., 2001, p. 191-201. 11 p.

    Research output: Contribution to conferencePaper

    3 Scopus citations

    Improving commonality in custom products using product platforms

    Farrell, R. S. & Simpson, T. W., Dec 1 2001, p. 1075-1085. 11 p.

    Research output: Contribution to conferencePaper

    17 Scopus citations

    Multidisciplinary robust design optimization of an internal combustion engine

    McAllister, C. D. & Simpson, T. W., Dec 1 2001, p. 1067-1074. 8 p.

    Research output: Contribution to conferencePaper

    5 Scopus citations
    2000

    Attribute-based multidisciplinary optimization of undersea vehicles

    Belegundu, A. D., Halberg, E., Yukish, M. A. & Simpson, T. W., Dec 1 2000.

    Research output: Contribution to conferencePaper

    21 Scopus citations