Kostas Kalfas

Assistant Professor

Email: kkalfas@uttyler.edu
Department: Civil Engineering

Degrees

• Ph.D. Civil and Environmental Engineering, Southern Methodist University, 2023
• M.Sc. Bridge Engineering (with Distinction), University of Surrey, UK, 2015
• 5-Year Diploma in Civil Engineering, National Technical University of Athens, Greece, 2012

Biography

Certifications:

• Engineer in Training – Texas
• Chartered Engineer: Institution of Civil Engineers, UK
• Chartered Engineer: Technical Chamber of Greece

• CENG 3306 – Mechanics of Materials
• CENG 3434: Civil Engineering Materials, Codes and          Specifications
• CENG 3325: Structural Analysis

Select Journal Publications:

• M Karimipetanlar, U El Shamy, KN Kalfas, and N Makris (2023). Numerical simulations of particle behavior and breakage within a pressurized sand damper subjected to cyclic loading, ASCE, Journal of Engineering Mechanics, 150(1), pp: 04023106.
• KN Kalfas, N Makris, and U El Shamy (2023). Assessment of the design parameters of pressurized sand dampers from component testing, ASCE, Journal of Engineering Mechanics, 149(10), pp: 04023072.
• D Forcellini, and KN Kalfas (2022). Inter-story seismic isolation for high-rise buildings, Engineering Structures, 275, pp. 115175.
• KN Kalfas, N Ghorbani Amirabad, and D Forcellini (2021). The role of shear modulus on the mechanical behavior of elastomeric bearings when subjected to combined axial and shear loads, Engineering Structures, 248, pp. 113248.
• N Makris, and KN Kalfas (2021). The eigenvalues of a partially embedded flexural, prismatic column, Earthquake Engineering & Structural Dynamics, 50(13), pp. 3403-3420.
• KN Kalfas, SA Mitoulis, and D Konstantinidis (2020). Influence of steel reinforcement on the performance of elastomeric bearings, ASCE, Journal of Structural Engineering, 146(10), pp: 04020195.
• KN Kalfas, SA Mitoulis, and K Katakalos (2017). Numerical study on the response of steel-laminated elastomeric bearings subjected to variable axial loads and development of local tensile stresses, Engineering Structures, 134, pp. 346-357.

Select Conference Proceedings:

• L Cao, KN Kalfas, N Makris, and JM Ricles. (2023). Real-time hybrid simulation of a CLT rocking wall system equipped with pressurized sand dampers for seismic hazard mitigation, In Proc. of the Engineering Mechanics Institute Conference 2023 (EMI 2023), June 6–9, 2023, Atlanta, Georgia.
• KN Kalfas, and D Forcellini. (2022). Closed-form solutions for the description of stability of elastomeric bearings, In Proc. of the ICONHIC2022, 3rd International Conference on Natural Hazards & Infrastructure, July 5–7, 2022, Athens, Greece
• KN Kalfas, and N Makris. (2022). Testing of the prototype and sustainable pressurized sand damper for the response modification of structures, In Proc. of the 12th National Conference on Earthquake Engineering (12NCEE), June 27-July 1, 2022, Salt Lake City, Utah
• KN Kalfas, and N Makris. (2022). Estimation of the design parameters of pressurized sand dampers from experiments, In Proc. of the Engineering Mechanics Institute Conference 2022 (EMI 2022), May 31-June 3, 2022, Baltimore, Maryland — 1st Prize Winner – Dynamics Student Paper Competition
• KN Kalfas. (2022). Pressurized sand damper as a sustainable solution for the response modification of structures, In Proc. of the 24th Young Researchers’ Conference, Institution of Structural Engineers (24 YRC IStructE), March 15, 2022, Virtual-London, UK — 2nd Prize Winner – Poster Competition
• KN Kalfas, and D Forcellini. (2020). A developed analytical non-linear model of elastomeric bearings verified with numerical findings, In Proc. of the EURODYN 2020, XI International Conference on Structural Dynamics, June 22-24, 2020, Athens, Greece
• IS González, and KN Kalfas. (2018). An ecological sanitation project towards the well-being of the patients and the sustainability of the Kumi Hospital in Uganda, In Proc. of the Global Engineering Congress (GEC2018), October 22-26, 2018, London, UK
• KN Kalfas, A Camara, and B McKinley. (2018). Numerical analysis of wired connections of the reinforcement bars of steel cages: the slash-tying technique, In Proc. of the 40th IABSE Symposium “Tomorrow’s Megastructures”, September 19-21, 2018, Nantes, France — 1st Prize Winner – My Thesis in 180s
• KN Kalfas, and SA Mitoulis. (2017). Performance of steel-laminated rubber bearings subjected to combinations of axial loads and shear strains, Procedia Engineering, 199, pp. 2979-2984, In Proc. of the EURODYN 2017, X International Conference on Structural Dynamics, September 10-13, 2017, Rome, Italy
• E Efthymiou, KN Kalfas, and I Flower. (2017). Engineers for Overseas Development (EfOD): Inspiration and development of young designers through humanitarian aid, In Proc. of the IABSE Conference Bath, April 19-20, 2017, Bath, UK