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Seymour Spence

Seymour MJ Spence

Research Assistant Professor

Department of Civil & Environmental Engineering & Earth Sciences

Research Assistant Professor
College of Engineering

Email: sspence@nd.edu

Phone: 574-631-2539

Education

Ph.D, University of Florence, Italy, and Technische Universität, Germany, 2009

M.S., in Civil Engineering, University of Perugia Italy, 2005

Biography

Recent Journal Papers:

Spence S.M.J., Kareem A. (2014), “Tall Buildings and Damping: A Concept-Based Data-Driven Model”, Journal of Structural Engineering, ASCE (in press)

Wei, D., Spence, S.M.J., Kareem, A., Jemcov, A. (2014). “A Structured Mesh
Boundary Motion Approach for Simulating Wind Effects on Bluff Bodies with
Changing Boundaries.” Journal of Wind Engineering and Industrial
Aerodynamics
, 126: 118-131

Spence, S.M.J., Bernardini, E., Guo, Y., Kareem, A., Gioffrè, (2014), “Natural Frequency Coalescing and Amplitude Dependent Damping in the Wind-Excited Response of Tall Buildings”, Probabilistic Engineering Mechanics, 135: 108-117

Spence S.M.J., Kareem A. (2013), “Data-Enabled Design and Optimization (DEDOpt): Tall Steel Building Frameworks”, Computers & Structures, 129(12): 134–147

Kareem, A., Spence, S.M.J., Bernardini, E., Bobby, S., Wei, D. (2013), “Using Computational Fluid Dynamics to Optimize Tall Building Design”, CTBUH Journal, 3: 38-43

Bernardini, E., Spence S.M.J., Kareem A. (2013), “A Probabilistic Approach for the Full Response Estimation of Tall Buildings with 3D Modes Using the HFFB”, Structural Safety, 44: 91–101

Spence S.M.J., Bernardini E, Guo Y., Kareem A., Gioffrè M., Servoli G. (2012), Analysis and modeling of natural frequency coalescing in the dynamic response of tall buildings, Meccanica dei Materiali e delle Strutture, ISSN: 2035-679X, 1(3):1-8

Bernardini, E., Spence, S.M.J., Gioffrè, M. (2012), “Dynamic response estimation of tall buildings with 3D modes: a probabilistic approach to the high frequency force balance method”, Journal of Wind Engineering and Industrial Aerodynamics, 104-106: 56-64.

Bernardini, E., Spence, S.M.J., Gioffrè, M. (2012), “Effects of the aerodynamic uncertainties in HFFB loading schemes on the response of tall buildings with coupled dynamic modes”, Engineering Structures, 42: 329-341.

Spence, S.M.J., Gioffrè, M. (2012), “Large Scale Reliability-Based Design Optimization of Wind Excited Tall Buildings”, Probabilistic Engineering Mechanics, 28: 206-215.

Spence, S.M.J., Gioffrè, M. (2011), “Efficient Algorithms for the Reliability Optimization of Tall Buildings”, Journal of Wind Engineering and Industrial Aerodynamics, 99: 691-699.

Spence, S.M.J., Bernardini, E., Gioffrè, M. (2011), “Influence of the Wind Load Correlation on the Estimation of the Generalized Forces for 3D Coupled Tall Buildings”, Journal of Wind Engineering and Industrial Aerodynamics 99: 757-766.

Cluni, F., Gusella, V., Spence, S.M.J., Bartoli, G. (2011), “Wind Action on Regular and Irregular Tall Buildings: Higher Order Moment Statistical Analysis by HFFB and SMPSS Measurements”, Journal of Wind Engineering and Industrial Aerodynamics 99: 682-690.

Spence, S.M.J., Gioffrè, M., Grigoriu, M. (2008), “Probabilistic Models and Simulation of Irregular Masonry Walls”, Journal of Engineering Mechanics, ASCE, 134(9): 750-762.

Recent Conference Proceedings: 

Bobby, S., Spence S.M.J., Bernardini E., Kareem A. (2013), “Performance-Based Topology Optimization of Wind-Excited Tall Buildings,” Third International Conference on Soft Computing Technology in Civil, Structural and Environmental Engineering (CSC2013), September 3-6, Cagliari, Italy

Spence S.M.J., Bernardini E., Kareem A. (2013), “A Low-Dimensional Model for the Aerodynamic Shape Optimization of Tall Buildings,” 12th Americas’ Conference on Wind Engineering (12ACWE), June 16-20, Seattle, WA, USA

Spence S.M.J., Bernardini E., Kareem A. (2013), “Efficient Performance-Based Design Optimization of Tall Buildings,” 11th International Conference on Structural Safety & Reliability (ICOSSAR2013), June 16-20, New York, NY, USA

Bernardini E., Spence S.M.J., Kareem A. (2013), “An Efficient Performance-Based Design Approach to the High Frequency Force Balance,” 11th International Conference on Structural Safety & Reliability (ICOSSAR2013), June 16-20, New York, NY, USA

Bobby, S., Spence S.M.J., Wei, D., Bernardini E., Kareem A. (2013), “A Complete Performance-Based Design Framework for the Design of Tall Buildings,” 11th International Conference on Structural Safety & Reliability (ICOSSAR2013), June 16-20, New York, NY, USA

Spence, S.M.J., Gioffrè, M. Kareem A. (2012), “Optimization of tall buildings within a fully performance-based design setting”, XII National Conference on Wind Engineering – IN-VENTO-2012, October 7-10, Venice, Italy.

Bernardini E., Spence S.M.J., Gioffrè M., Kareem A. (2012), “A reliability approach for the wind-induced response assessment of tall buildings using the high frequency force balance,” Seventh International Colloquium on Bluff Body Aerodynamics & Applications (BBAA), September 2-6, Shanghai, China.

Bobby S., Spence S.M.J., Wei, D., Bernardini, E., Kareem A. (2012), “A cohesive performance-based optimization framework for the design of tall buildings subject to wind loads” 3rd American Association for Wind Engineering Workshop, August 12-14, Hyannis, USA.  

Spence S.M.J., Kareem A., Servoli G., Gioffrè M. (2012), “Intermittent Beat Phenomena in the Response of Wind Excited Tall Buildings with Closely Spaced Frequencies,” 2012 Stochastic Mechanics’ International Conference, June 7-10, Ustica, Italy.

Lee S., Bobby S., Spence S.M.J., Tovar A., Kareem A. (2012), “Shape and Topology Sculpting of Tall Buildings Under Aerodynamic Loads,” 43rd Structures Congress, March 29-31, Chicago, USA.

Spence, S.M.J., Gioffrè, M., Kareem, A. (2011), “Super Tall Buildings: Response in Higher Modes”, 4th International Conference on Experimental Vibration Analysis for Civil Engineering Structures (EVACES), October 3-5, Varenna, Italy.

Bernardini, E., Cluni, F., Gioffrè, M., Gusella, V., Spence, S.M.J. (2011), “Characterization of Wind Induced Excitations on Tall Buildings by Means of Wind Tunnel Tests”, 4th International Conference on Experimental Vibration Analysis for Civil Engineering Structures (EVACES), October 3-5, Varenna, Italy.

Bernardini, E., Spence, S.M.J., Gioffrè, M. (2011), “Reliability Models for Tall Buildings with 3D Modes: a Probabilistic Approach to the HFFB Method”, 13th International Conference on Wind Engineering (ICWE13), July 10-15, Amsterdam, Netherlands.

Pozzuoli C., Bartoli, G., Spence, S.M.J., Procino, L. (2011), “Continuous Equivalent Aeroelastic Modeling of a Regular Square-Section Tall Building”, 13th International Conference on Wind Engineering (ICWE13), July 10-15, Amsterdam, Netherlands.

Spence, S.M.J., Gioffrè, M. (2010), “Un algoritmo efficiente per l’ottimizzazione dell’affidabilità di edifici alti”, in Proceedings of the XI National Conference on Wind Engineering – IN-VENTO-2010, June 30 – July 3, Spoleto, Italy.

Gioffrè, M., Spence, S.M.J. (2010), “Un modello di affidabilità per la stima rigorosa della risposta di edifici alti sottoposti all’azione del vento”, in Proceedings of the XI National Conference on Wind Engineering – IN-VENTO-2010, June 30 – July 3, Spoleto, Italy.

Cluni, F., Gusella, V., Spence, S.M.J., Bartoli, G. (2010), “Azione del vento su edifici alti: analisi dei momenti statistici di ordine superiore mediante misure HFFB e SMPSS”, in Proceedings of the XI National Conference on Wind Engineering – IN-VENTO-2010, June 30 – July 3, Spoleto, Italy.

Bernardini, E., Spence, S.M.J., Gioffrè, M., Gusella, V. (2010), “Wind load correlation and its effects on the second order response properties of 3D coupled tall buildings”, in Proceedings of the XI National Conference on Wind Engineering – IN-VENTO-2010, June 30 – July 3, Spoleto, Italy.

Spence, S.M.J., Bernardini, E., Gioffrè, M. (2010), “Influenza della correlazione dei carichi da vento sulla stima delle forze generalizzate per edifici alti con modi accoppiati”, in Proceedings of the XI National Conference on Wind Engineering – IN-VENTO-2010, June 30 – July 3, Spoleto, Italy.

Gioffrè, M., Spence, S.M.J. (2010), “A Framework for Accurate Estimation of Wind Induced Responses with Specified MRIs”, in Proceedings of the 6th Computational Stochastic Mechanics Conference (CMS-6), June 13-16, Rhodes, Greece.

Spence, S.M.J., Gioffrè, M. (2010), “Time Variant Reliability Optimization of Tall Buildings”, in Proceedings of the 6th Computational Stochastic Mechanics Conference (CMS-6), June 13-16, Rhodes, Greece.

Spence, S.M.J., Gioffrè, M. (2010), “Dynamic Response Optimization of Tall Buildings Subject to Extreme Wind Loads”, in Proceedings of 15th IFIP WG 7.5 Working Conference on Reliability and Optimization of Structural Systems (IFIP 10-WG 7.5), April 7-10, Munich, Germany, pp. 203-212.

Summary of Activities/Interests

Dr. Spence’s main interests are centered on the areas of aleatory dynamics and applied optimization theory to large-scale and uncertain structural systems. Over recent years his attention has been particularly focused on the fields of reliability and performance-based design methodologies for wind excited tall buildings, large scale reliability-based design optimization algorithms, probabilistic modeling of non-linear aerodynamics of tall buildings, data-enabled design and optimization strategies and algorithms, assessment and modeling of damping in tall buildings, as well as experimental aerodynamic/aeroelastic wind tunnel testing and data analysis.

His research is currently focusing on the performance-based topology/design optimization of structural systems subject to combined time variant/invariant uncertainties with the ultimate aim of defining a new generation of sustainable and safe buildings. He has also been developing probabilistic procedures for the generalization of the High Frequency Force Balance (HFFB) technique, potentially allowing this method to be reliably used in the aerodynamic assessment of all buildings characterized by highly non-linear and coupled fundamental modes. Recently, he has begun to research methodologies and procedures for the efficient lower dimensional CFD-based aerodynamic shape optimization of tall buildings.