Dimitrios Kalliontzis

Faculty

Dr. Dimitrios Kalliontzis, Ph.D.

Assistant Professor

Office Location N113 Engineering Building 1

Phone 713-743-9838 | Fax 713-743-4260

Email dkallion [at] central.uh.edu

https://structuralperformancefluid-structureinteractionlab.space/

Education

Postdoctoral Researcher, University of California San Diego, 2018-2020

Ph.D., Structural Engineering, University of Minnesota at Twin Cities, 2018

M.S., Structural Engineering, Iowa State University, 2014

B.S., Civil Engineering, Aristotle University of Thessaloniki in Greece

Professional Experience

Technical Intern, Simpson Gumpertz & Heger (SGH), NY, 2014

Students Supervised

Vasileios Kotzamanis (09/2021-present)
PhD student
Dissertation topic: Understanding and enhancing the performance of coastal housing against
hurricane-induced loads

Noran Shahin (09/2021-present)
PhD student
Dissertation topic: Constitutive modeling of ultra-high-performance concrete (UHPC)

Abdulrahman Salah (09/2021-present)
PhD student
Dissertation topic: New-generation engineering materials for resilient concrete structures

Waleed Khan (09/2021-present)
PhD student
Dissertation topic: Integrating high strength steel in the design of structural masonry

Omar Khalid (05/2021-present)
MSc student
Thesis topic: Characterizing the bond behavior of high strength steel in structural masonry

John Alvey (08/2022-12/2022)
Undergraduate student
Research topic: Wave Energy Converter Systems

Classes

Mechanics I-Statics (ENGR 2301)

Prestressed Concrete (CIVE 6353)

Masonry Structures (CIVE 5397)

Awards & Honors

Honorable Mention by the 14th Canadian Masonry Symposium for the Publication Entitled “Structural Masonry Walls with Rubber Pads and Unbonded Posttensioning Tendons: Experiment and Design Procedure”, Montreal, Quebec, Canada, 2021

2nd Place Award in Oral Presentation Competition of 6th Annual Postdoctoral Research Symposium at University of California San Diego, San Diego, CA, 2018

Grant by the Earthquake Engineering Research Institute (EERI) to present research in 11th US National Conference on Earthquake Engineering, Los Angeles, CA, 2018

Honorable Mention by 13th Canadian Masonry Symposium for the Publication entitled "Simplified Approach for Estimating the Envelope Response of Unbonded Posttensioned Masonry Shear Walls", Halifax, Nova Scotia, Canada, 2017

Research Excellence Award by Iowa State University for Research Contributions to Structural Engineering, Ames, IA, 2014

Ranked 1st in Students originating from Kavala, Greece: Awarded Special Distinction by the President of the Greek (Hellenic) Democracy, Athens, Greece, 2007

Professional Memberships

American Concrete Institute (ACI)

The Masonry Society (TMS)

University Marine Energy Research Community (UMERC)

Research Interests

Fluid-Structure Interaction

Ultra-High-Performance Concrete

Prestressed Concrete

Analytical and Fiber-Based Modeling of Structural Systems

High-Strength Steel in Structural Masonry

Presentations

- CWRM Symposium, U.S. Army Corps Engineering Research and Development Center (2022). "Effects of Structural and Soil Flexibilities on the Responses of Coastal Housing to Wave-induced Loads." with Vasileios Kotzamanis, PhD student
- Engineering Mechanics Institute Conference (2022). "Effect of Foundation Flexibility on the Interaction between Elevated Light-Framed Timber Coastal Housing and Solitary Waves." with Vasileios Kotzamanis, PhD student
- Engineering Mechanics Institute Conference (2022). "“Fluid-Structure Interaction with ALE Formulation and Skeleton-Based Structural Models."
- 3rd International Conference on Natural Hazards & Infrastructure (2022). "Self-Centering Rocking Bridge Columns with Hysteretic Damping through Locally Heat-treated Replaceable Bars."
- 12th National Conference on Earthquake Engineering (2022). "Hybrid Rocking Wall with Locally Heat-treated Replaceable Bars for Hysteretic Energy Dissipation."
- 14th Canadian Masonry Symposium (2021). "Structural Masonry Wall with Rubber Pads and Unbonded Posttensioning Tendons: Experiment and Design Procedure."
- Kobe-UCSD Joint Symposium (2019). "Recovery Columns for Bridge Structures: Numerical Study."
- 13th North American Masonry Conference (2019). “The Effect of Impact Energy Loss in the Dynamic Response of Unbonded Post-Tensioned Masonry Walls.”
- 13th North American Masonry Conference (2019). “Improving Performance of Unbonded Post-Tensioned Masonry Walls with the Use of Elastomeric Interfaces.”
- 11th U.S. National Conference on Earthquake Engineering (2018). “Modeling of a Rocking Masonry Wall with Unbonded Post-Tensioning Subjected to Shake-Table Testing.
- 3rd Huixian International Forum on Earthquake Engineering for Young Researchers (2017). “Modeling of Fully-Grouted Masonry Shear Walls with Unbonded Post-Tensioning under Reverse-Cyclic Loading.”
- 13th Canadian Masonry Symposium (2017). “Simplified Approach for Estimating the Envelope Response of Unbonded-Posttensioned Masonry Walls.”
- PCI Convention and National Bridge Conference (2017). “Improving Seismic Response of Precast Structures Designed with Jointed Connections.”
- 16th World Conference on Earthquake Engineering (2017). “Improving Accuracy of the Simple Rocking Model of Rigid Blocks.”
- VII European Congress on Computational Methods in Applied Sciences and Engineering (2016). “A Simple Analytical Model for the Rocking PreWEC System.”

Invited Presentations / Lectures

- Rice University, September 2022. "Understanding Fluid-Structure Interaction of Coastal Housing with Hurricane-induced Wave Action."
- South Methodist University, Dallas, Texas, April 2022. "Fluid-Structure Interaction Simulations in Support of Developing Resilient Structural Systems in Coastal Regions."
- NHERI Lehigh Seminar Series, April 2022. "Multi-physics Simulations of Structural Responses to Fluid Flows Induced by Coastal Hazards."
- Texas A&M, College Station, Texas, December 2021. "Performance Assessment of the Pre-tensioned Piles in the San Diego-Coronado Bridge."
- EERI McMaster Guest Lecture Series, May 2017. "Understanding the behavior and improving the seismic performance of rocking structures." McMaster University, Hamilton, Ontario, Canada

Refereed Journal Publications

- Kalliontzis, D. (2022). “Fluid-Structure Interaction with ALE Formulation and Skeleton-Based Structural Models.” Journal of Fluids and Structures, 110: 103513.
- Kalliontzis, D., Morrison, M., Liu, Q., Nazari, M, Kotzamanis, V. (2022). “Improving Recovery of Hybrid Rocking Walls through Locally Heat-treated Replaceable Bars for Hysteretic Energy Dissipation.” Engineering Structures, 267: 114621.
- Kalliontzis, D., Schultz, A. E., Sritharan, S. (2022). “Unbonded Post-tensioned Structural Masonry Wall with Rubber Interface for Limited-Damage Systems.” ASCE Journal of Structural Engineering, 148(1): 04021223.
- Kalliontzis, D., Shing, P. B. (2021). “Force-Based Frame Element with Axial Force-Flexure-Shear Interaction for Modeling Reinforced Concrete Members.” ACI Structural Journal, 118(3), 131-146.
- Kalliontzis, D., Sritharan, S. (2021). “Seismic Behavior of Unbonded Post-tensioned Precast Concrete Members with Thin Rubber Layers at the Jointed Connection.” PCI Journal, 66(1): January-February.
- Kalliontzis, D., Nazari, M. (2021). “Unbonded Post-tensioned Precast Concrete Walls with Rocking Connections: Modeling Approaches and Impact Damping.” Frontiers in Built Environment, 7: 638509.
- Kalliontzis, D., and Sritharan, S. (2020). "Dynamic response and impact energy loss in controlled rocking members." Earthquake Engineering & Structural Dynamics, 49(4), 319-338.
- Kalliontzis, D., Schultz, A. E., and Sritharan, S. (2020). "Generalized dynamic analysis of structural single rocking walls (SRWs)." Earthquake Engineering & Structural Dynamics, 49(7), 633-656.
- Kalliontzis, D., and Sritharan, S. (2018). "Characterizing dynamic decay of motion of free-standing rocking members." Earthquake Spectra, 34(2), 843-866.
- Kalliontzis, D., and Schultz, A. E. (2017). "Characterizing the in-plane rocking response of masonry walls with unbonded posttensioning." ASCE Journal of Structural Engineering, 143(9): 04017110.
- Kalliontzis, D., and Schultz, A. E. (2017). "Improved estimation of the reverse-cyclic behavior of fully-grouted masonry shear walls with unbonded post-tensioning." Engineering Structures, 145, 83-96.
- Kalliontzis, D., Sritharan, S., and Schultz A. E. (2016). "Improved coefficient of restitution estimation for free rocking members." ASCE Journal of Structural engineering, 142(12): 06016002.

Conference Proceedings / Technical Papers Published in Refereed Conference Proceedings

- Kalliontzis, D., and Morrison, M. (2022). “Self-Centering Rocking Bridge Columns with Hysteretic Damping through Locally Heat-Treated Replaceable Bars.” 3rd International Conference on Natural Hazards & Infrastructure, Athens, Greece.
- Kalliontzis, D., Morrison, M., Liu, Q., and Nazari, M. (2022). “Hybrid Rocking Wall with Locally Heat-Treated Replaceable Bars for Hysteretic Energy Dissipation.” 12th National Conference on Earthquake Engineering, Salt Lake City, Utah.
- Kalliontzis, D., Schultz, A. E., and Sritharan, S. (2021). “Structural Masonry Walls with Rubber Pads and Unbonded Posttensioning Tendons: Experiment and Design Procedure.” 14th
  Canadian Masonry Symposium, Montreal, Canada (Received Honorable Mention).
- Kalliontzis, D., Schultz, A. E., and Sritharan, S. (2019). “The Effect of Impact Energy Loss in the Dynamic Response of Unbonded Post-Tensioned Masonry Walls.” 13th North American Masonry Conference, Salt Lake City, Utah.
- Kalliontzis, D., Sritharan, S., and Schultz A. E. (2019). “Improving Performance of Unbonded Post-Tensioned Masonry Walls with the Use of Elastomeric Interfaces.” 13th North American Masonry Conference, Salt Lake City, Utah.
- Kalliontzis, D., Schultz, A. E., and Sritharan, S. (2018). “Modeling of a Rocking Masonry Wall with Unbonded Post-Tensioning Subjected to Shake-Table Testing.” 11th U.S. National Conference on Earthquake Engineering, Los Angeles, California.
- Kalliontzis, D., and Schultz, A. E. (2017). “Modeling of Fully-Grouted Masonry Shear Walls with Unbonded Post-Tensioning under Reverse-Cyclic Loading.” 3rd Huixian International Forum on Earthquake Engineering for Young Researchers, University of Illinois, Urbana-Champaign, Illinois.
- Kalliontzis, D., and Schultz, A. E. (2017). “Simplified Approach for Estimating the Envelope Response of Unbonded-Posttensioned Masonry Walls.” 13th Canadian Masonry Symposium, Halifax, Canada (Received Honorable Mention).
- Kalliontzis, D., and Sritharan, S. (2017). “Improving Seismic Response of Precast Structures Designed with Jointed Connections.” PCI Convention and National Bridge Conference, Cleveland, Ohio.
- Kalliontzis, D., Sritharan, S., and Schultz, A. E. (2017). “Improving Accuracy of the Simple Rocking Model of Rigid Blocks.” 16th World Conference on Earthquake Engineering, Santiago, Chile.
- Kalliontzis, D., and Sritharan, S. (2016). “A Simple Analytical Model for the Rocking PreWEC System.” VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), Crete Island, Greece.
- Kalliontzis, D., and Sritharan, S. (2014). “A Finite-Element Approach for Modelling Controlled Rocking Systems.” 2nd European Conference on Earthquake Engineering Seismology, Istanbul, Turkey.