Gordon Patrick Warn

    • 397 Citations
    • 9 h-Index
    20032020
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    Research Output 2003 2020

    2020

    A consistent Timoshenko hysteretic beam finite element model

    Amir, M., Papakonstantinou, K. G. & Warn, G. P., Mar 2020, In : International Journal of Non-Linear Mechanics. 119, 103218.

    Research output: Contribution to journalArticle

    Timoshenko Beam
    Interpolation Function
    Finite Element Model
    Interpolation
    Shear Locking
    2019

    A method for bounding imprecise probabilistic criteria when using a sequential decision process for the design of structural systems

    Chhabra, J. P. S. & Warn, G. P., Jul 1 2019, In : Structural Safety. 79, p. 39-53 15 p.

    Research output: Contribution to journalArticle

    Structural frames
    Seismic design
    Risk analysis
    Numerical analysis
    Materials properties
    1 Citation (Scopus)

    A method for model selection using reinforcement learning when viewing design as a sequential decision process

    Chhabra, J. P. S. & Warn, G. P., May 15 2019, In : Structural and Multidisciplinary Optimization. 59, 5, p. 1521-1542 22 p.

    Research output: Contribution to journalArticle

    Reinforcement learning
    Reinforcement Learning
    Model Selection
    Fidelity
    Model

    Whole building life cycle environmental impacts and costs: A sensitivity study of design and service decisions

    Hasik, V., Ororbia, M., Warn, G. P. & Bilec, M. M., Oct 2019, In : Building and Environment. 163, 106316.

    Research output: Contribution to journalArticle

    architectural design
    life cycle
    Environmental impact
    environmental impact
    Life cycle
    2018

    Investigating the use of reinforcement learning for multi-fidelity model selection in the context of design decision making

    Chhabra, J. P. S. & Warn, G. P., Jan 1 2018, 44th Design Automation Conference. American Society of Mechanical Engineers (ASME), Vol. 2B-2018.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Reinforcement learning
    Reinforcement Learning
    Model Selection
    Fidelity
    Decision making
    8 Citations (Scopus)

    Probabilistic Assessment of the Life-Cycle Environmental Performance and Functional Life of Buildings due to Seismic Events

    Chhabra, J. P. S., Hasik, V., Bilec, M. M. & Warn, G. P., Mar 1 2018, In : Journal of Architectural Engineering. 24, 1, 04017035.

    Research output: Contribution to journalArticle

    Life cycle
    Hazards
    Environmental impact
    Repair
    Life Cycle
    1 Citation (Scopus)
    Visualization
    5 Citations (Scopus)

    Review of approaches for integrating loss estimation and life cycle assessment to assess impacts of seismic building damage and repair

    Hasik, V., Chhabra, J. P. S., Warn, G. P. & Bilec, M. M., Nov 15 2018, In : Engineering Structures. 175, p. 123-137 15 p.

    Research output: Contribution to journalReview article

    Life cycle
    Repair
    Environmental impact
    Economics
    Environmental impact assessments
    4 Citations (Scopus)

    Stochastic Analysis and Time-Based Modeling of Concrete Bridge Deck Deterioration

    Manafpour, A., Guler, S. I., Radlinska, A. Z., Rajabipour, F. & Warn, G. P., Sep 1 2018, In : Journal of Bridge Engineering. 23, 9, 04018066.

    Research output: Contribution to journalArticle

    Bridge decks
    Concrete bridges
    Deterioration
    Remediation
    Service life
    4 Citations (Scopus)

    Three-Dimensional Base Isolation Using Vertical Negative Stiffness Devices

    Cimellaro, G. P., Domaneschi, M. & Warn, G., Jan 1 2018, (Accepted/In press) In : Journal of Earthquake Engineering.

    Research output: Contribution to journalArticle

    seismic isolation
    stiffness
    Stiffness
    damping
    Bearings (structural)
    2017
    6 Citations (Scopus)

    A sequential decision process for the system-level design of structural frames

    Unal, M., Miller, S. W., Chhabra, J. P. S., Warn, G. P., Yukish, M. A. & Simpson, T. W., Nov 1 2017, In : Structural and Multidisciplinary Optimization. 56, 5, p. 991-1011 21 p.

    Research output: Contribution to journalArticle

    Structural frames
    Fidelity
    Design
    Nondominated Solutions
    Model
    3 Citations (Scopus)

    A set-based approach to support decision-making on the restoration of infrastructure networks

    Unal, M. & Warn, G. P., May 1 2017, In : Earthquake Spectra. 33, 2, p. 781-801 21 p.

    Research output: Contribution to journalArticle

    decision making
    restoration
    Restoration
    Decision making
    infrastructure

    Downtime estimation for resilience assessment accounting external factors

    Tootkaboni, M. P., Doost, D. M., Cimellaro, G. P. & Warn, G., Jan 1 2017, COMPDYN 2017 - Proceedings of the 6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering. Papadrakakis, M. & Fragiadakis, M. (eds.). National Technical University of Athens, p. 720-729 10 p. (COMPDYN 2017 - Proceedings of the 6th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Resilience
    Recovery
    repair
    Repair
    Dependent
    2 Citations (Scopus)

    Investigation of the Sustainability and Resilience Characteristics of Buildings Including Existing and Potential Assessment Metrics

    Hasik, V., Chhabra, J. P. S., Warn, G. P. & Bilec, M. M., Jan 1 2017, AEI 2017: Resilience of the Integrated Building - Proceedings of the Architectural Engineering National Conference 2017. Volz, J. S. (ed.). American Society of Civil Engineers (ASCE), p. 1019-1033 15 p. (AEI 2017: Resilience of the Integrated Building - Proceedings of the Architectural Engineering National Conference 2017).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Sustainable development
    Structural integrity
    Life cycle
    Hazards
    Repair
    3 Citations (Scopus)

    Sequential decision process for tradespace exploration by bounding probabilistic decision criteria using mean-risk analysis

    Chhabra, J. P. S. & Warn, G. P., Jan 1 2017, 37th Computers and Information in Engineering Conference. American Society of Mechanical Engineers (ASME), 68112. (Proceedings of the ASME Design Engineering Technical Conference; vol. 1).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Risk Analysis
    Risk analysis
    Alternatives
    Design for All
    Discrete Choice
    2016

    Field investigation of in-service performance of concrete bridge decks in Pennsylvania

    Manafpour, A., Hopper, T., Rajabipour, F., Radlinska, A. Z., Warn, G. P., Shokouhi, P., Morian, D. & Jahangirnejad, S., Jan 1 2016, In : Transportation Research Record. 2577, p. 1-7 7 p.

    Research output: Contribution to journalArticle

    Bridge decks
    Concrete bridges
    Inspection
    Concrete mixtures
    Compressive strength

    Modeling the compression stiffness degradation in circular elastomeric bearings due to fatigue

    Deng, P. & Warn, G. P., Jan 1 2016, In : Journal of Engineering Mechanics. 142, 1, 04015057.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Stiffness
    Fatigue of materials
    Degradation
    Rubber
    1 Citation (Scopus)

    Quantifying the shape of a pareto front in support of many-objective trade space exploration

    Unal, M., Warn, G. P. & Simpson, T. W., Jan 1 2016, 42nd Design Automation Conference. American Society of Mechanical Engineers (ASME), (Proceedings of the ASME Design Engineering Technical Conference; vol. 2B-2016).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Pareto Front
    Diminishing
    Trade-offs
    Optimization Problem
    Pareto
    8 Citations (Scopus)
    Dimensionality
    Visual Analytics
    Multiobjective optimization
    Trade-offs
    Optimization Problem
    2015
    1 Citation (Scopus)

    A many-objective framework to design the restoration of damaged bridges on a distributed transportation network

    Unal, M. & Warn, G. P., 2015, Structures Congress 2015 - Proceedings of the 2015 Structures Congress. American Society of Civil Engineers (ASCE), p. 1494-1505 12 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Restoration
    Economics
    Social aspects
    Earthquakes
    Costs
    4 Citations (Scopus)

    Introduction of a tradeoff index for efficient trade space exploration

    Unal, M., Warn, G. & Simpson, T. W., Jan 1 2015, 41st Design Automation Conference. American Society of Mechanical Engineers (ASME), (Proceedings of the ASME Design Engineering Technical Conference; vol. 2B-2015).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Visual Analytics
    Trade-offs
    Optimization Problem
    High-dimensional
    Nondominated Solutions
    17 Citations (Scopus)

    Mechanistic model for simulating critical behavior in elastomeric bearings

    Han, X. & Warn, G. P., May 1 2015, In : Journal of Structural Engineering (United States). 141, 5, 4014140.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Earthquakes
    Stiffness
    elastomeric
    Loads (forces)
    2014
    7 Citations (Scopus)

    A distributed flexibility and damping strategy to control vertical accelerations in base-isolated buildings

    Vu, B., Unal, M., Warn, G. P. & Memari, A. M., Jan 1 2014, In : Structural Control and Health Monitoring. 21, 4, p. 503-521 19 p.

    Research output: Contribution to journalArticle

    Damping
    Bearings (structural)
    Earthquakes
    Ceilings
    Costs
    3 Citations (Scopus)
    Bearings (structural)
    topology
    seismic isolation
    Topology
    cost
    6 Citations (Scopus)

    Weak-axis behavior of wide flange columns subjected to blast

    Krishnappa, N., Bruneau, M. & Warn, G. P., May 1 2014, In : Journal of Structural Engineering (United States). 140, 5, 04013108.

    Research output: Contribution to journalArticle

    Flanges
    Axial loads
    Load limits
    Detonation
    Shock waves
    2013
    3 Citations (Scopus)

    Dynamic stability testing of isolation systems composed of elastomeric bearings and implications for design

    Han, X., Warn, G. P. & Kasalanati, A., Oct 17 2013, Structures Congress 2013: Bridging Your Passion with Your Profession - Proceedings of the 2013 Structures Congress. p. 2140-2150 11 p. (Structures Congress 2013: Bridging Your Passion with Your Profession - Proceedings of the 2013 Structures Congress).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Bearings (structural)
    Testing
    Earthquakes

    Estimating natural periods of steel plate shear wall frames

    Liu, S., Warn, G. P. & Berman, J. W., Jan 1 2013, In : Journal of Structural Engineering (United States). 139, 1, p. 155-161 7 p.

    Research output: Contribution to journalArticle

    Shear walls
    Steel
    Seismic design
    Modal analysis
    Refining
    17 Citations (Scopus)

    Identification of the controlling mechanism for predicting critical loads in elastomeric bearings

    Han, X., Kelleher, C. A., Warn, G. P. & Wagener, T., Jan 1 2013, In : Journal of Structural Engineering (United States). 139, 12, 04013016.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Sensitivity analysis
    Analytical models
    Rubber
    elastomeric
    2012
    5 Citations (Scopus)

    Exploring the low shape factor concept to achieve threedimensional seismic isolation

    Warn, G. P. & Vu, B., Sep 17 2012, 20th Analysis and Computation Specialty Conference - Proceedings of the Conference. p. 1-11 11 p. (20th Analysis and Computation Specialty Conference - Proceedings of the Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Bearings (structural)
    Isolation
    Stiffness
    Vertical
    Three-dimensional
    29 Citations (Scopus)

    Seismic performance and sensitivity of floor isolation systems in steel plate shear wall structures

    Liu, S. & Warn, G. P., Sep 1 2012, In : Engineering Structures. 42, p. 115-126 12 p.

    Research output: Contribution to journalArticle

    Shear walls
    Steel
    Stiffness
    45 Citations (Scopus)

    Stability of elastomeric and lead-rubber seismic isolation bearings

    Weisman, J. & Warn, G. P., Feb 1 2012, In : Journal of Structural Engineering. 138, 2, p. 215-223 9 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Rubber
    Lead
    elastomeric
    Shear strain
    2011
    19 Citations (Scopus)

    Parametric finite element investigation of the critical load capacity of elastomeric strip bearings

    Warn, G. P. & Weisman, J., Dec 1 2011, In : Engineering Structures. 33, 12, p. 3509-3515 7 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Rubber
    Shims
    Stiffness
    Finite element method
    2010
    1 Citation (Scopus)

    Experimental study of the fatigue resistance and ultimate capacity of a hybrid FRP-concrete bridge deck

    Warn, G. P. & Aref, A., Jan 1 2010, p. 228-237. 10 p.

    Research output: Contribution to conferencePaper

    Bridge decks
    Concrete bridges
    Fatigue of materials
    Fibers
    Beams and girders
    1 Citation (Scopus)

    Finite-element and experimental investigation of the post-buckling stability of an elastomeric seismic isolation bearing

    Warn, G. P. & Weisman, J., Jan 1 2010, p. 1452-1461. 10 p.

    Research output: Contribution to conferencePaper

    Bearings (structural)
    Buckling
    Nonlinear analysis
    Earthquakes
    Rubber
    1 Citation (Scopus)

    Numerical study on the stability of elastomeric seismic isolation bearings

    Warn, G. P. & Weisman, J. R., Dec 1 2010, 9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium. p. 1008-1017 10 p. (9th US National and 10th Canadian Conference on Earthquake Engineering 2010, Including Papers from the 4th International Tsunami Symposium; vol. 2).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Bearings (structural)
    Load limits
    Finite element method
    Earthquakes
    Rubber
    8 Citations (Scopus)

    Sustained-load and fatigue performance of a hybrid FRP-concrete bridge deck system

    Warn, G. P. & Aref, A. J., Nov 1 2010, In : Journal of Composites for Construction. 14, 6, p. 856-864 9 p.

    Research output: Contribution to journalArticle

    Bridge decks
    Concrete bridges
    Polymers
    Fatigue of materials
    Fibers
    2009
    9 Citations (Scopus)

    Blast resistance of steel plate shear walls designed for seismic loading

    Warn, G. P. & Bruneau, M., Sep 28 2009, In : Journal of Structural Engineering. 135, 10, p. 1222-1230 9 p.

    Research output: Contribution to journalArticle

    Blast resistance
    Shear walls
    Steel
    Finite element method
    Earthquakes
    2008
    Bridge decks
    Concrete bridges
    Steel
    Creep
    Fatigue of materials
    28 Citations (Scopus)

    Vertical earthquake loads on seismic isolation systems in bridges

    Warn, G. P. & Whittaker, A. S., Oct 27 2008, In : Journal of Structural Engineering. 134, 11, p. 1696-1704 9 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Earthquakes
    Rubber
    Axial loads
    Lead
    2007
    80 Citations (Scopus)

    Vertical stiffness of elastomeric and lead-rubber seismic isolation bearings

    Warn, G. P., Whittaker, A. S. & Constantinou, M. C., Aug 27 2007, In : Journal of Structural Engineering. 133, 9, p. 1227-1236 10 p.

    Research output: Contribution to journalArticle

    Bearings (structural)
    Rubber
    Lead
    Stiffness
    Damping
    2006
    13 Citations (Scopus)

    Property modification factors for seismically isolated bridges

    Warn, G. P. & Whittaker, A. S., May 1 2006, In : Journal of Bridge Engineering. 11, 3, p. 371-377 7 p.

    Research output: Contribution to journalArticle

    Earthquakes
    Mechanical properties
    Bins
    Engineers
    2004
    51 Citations (Scopus)

    Performance estimates in seismically isolated bridge structures

    Warn, G. P. & Whittaker, A. S., Jul 1 2004, In : Engineering Structures. 26, 9, p. 1261-1278 18 p.

    Research output: Contribution to journalArticle

    Earthquakes
    Testing
    Bins
    Computer simulation
    2003
    1 Citation (Scopus)

    Reconnaissance and preliminary assessment of a damaged high-rise building near ground zero

    Warn, G., Berman, J., Whittaker, A. & Bruneau, M., Dec 15 2003, In : Structural Design of Tall and Special Buildings. 12, 5, p. 371-391 21 p.

    Research output: Contribution to journalArticle

    Towers
    Debris
    Loads (forces)
    Gravitation