Prof. Yiannis Tsompanakis
School of Chemical and Environmental Engineering, Technical University of Crete, Chania, Greece
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Academic Career Length
19Years (2008-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications1 February 2010 in Structure and Infrastructure Engineering
Journal Article
Yiannis TsompanakisNLNikos D. Lagaros
Nikos D. Lagaros
PPProdromos N. Psarropoulos
Prodromos N. Psarropoulos
EGEvaggelos C. Georgopoulos
Evaggelos C. GeorgopoulosTypically, seismic analysis of large-scale geostructures, such as embankments, is performed by means of deterministic pseudostatic slope stability methods, where a safety factor based approach is adopted. However, probabilistic seismic fragility analysis can be a more efficient and realistic approach for interpreting more accurately the seismic performance and the vulnerability assessment of an earth structure. There are two major approaches for performing vulnerability analysis: either approximately assuming that the demand values follow a lognormal distribution or numerically most frequently using the Monte Carlo simulation (MCS) method, where the probability of exceedance for every limit state is obtained by performing MCS analyses for various intensity levels. The MCS technique is considered to be the most consistent reliability analysis method, with no limitations on its applicability range. The objective of this work is to present the efficiency of the MCS-based numerical approach versus the commonly used lognormal empirical approach for developing fragility curves of embankments.
20 January 2022 in Earthquake Engineering and Engineering Vibration
Journal Article
ATAlexandros Tsipianitis
Alexandros Tsipianitis
Yiannis Tsompanakis1 March 2020 in Transportation Geotechnics
Journal Article
ALAlexandros Lyratzakis
Alexandros LyratzakisYiannis TsompanakisPPProdromos Psarropoulos
Prodromos Psarropoulos28 August 2020 in Frontiers in Built Environment
Journal Article
ATAlexandros Tsipianitis
Alexandros Tsipianitis
Yiannis TsompanakisPPProdromos N. Psarropoulos
Prodromos N. Psarropoulos
In general, soil–structure interaction phenomena affect considerably the dynamic response of liquid-storage tanks. As it is also observed in the case of ordinary structures, the ground motion transmitted to the superstructure can be amplified (or even deamplified) because of the presence of the underlying soil layer(s), modifying in parallel the resonant period and the effective damping of structures. Typically, fixed-base liquid-storage tanks are characterized by low fundamental periods. However, many such critical structures are located in coastal areas with soft soils; thus, the seismic performance of the superstructure may be notably different compared to stiff soil conditions. Therefore, ignoring soil–structure interaction may lead to unrealistic results. Accordingly, the influence of soil conditions in the dynamic response of liquid-storage tanks is investigated in the present study. More specifically, the dynamic soil–structure interaction of cylindrical steel tanks subjected to different ground motions is numerically examined. The main aim is to investigate the dynamic response and the distress of squat and slender liquid-storage tanks for different foundation conditions. The finite-element models include suitable contact formulations to accurately model the soil–structure interaction for each type of fixity conditions (i.e., anchored and unanchored).
6 January 2022 in Bulletin of Earthquake Engineering
Journal Article
PPProdromos Psarropoulos
Prodromos PsarropoulosYiannis TsompanakisMKManolis Katsirakis
Manolis Katsirakis1 January 2018 in Advances in Civil Engineering
Journal Article
ATAlexandros Tsipianitis
Alexandros Tsipianitis
Yiannis TsompanakisLiquid‐filled tanks are effective storage infrastructure for water, oil, and liquefied natural gas (LNG). Many such large‐scale tanks are located in regions with high seismicity. Therefore, very frequently base isolation technology has to be adopted to reduce the dynamic distress of storage tanks, preventing the structure from typical modes of failure, such as elephant‐foot buckling, diamond‐shaped buckling, and roof damage caused by liquid sloshing. The cost‐effective seismic design of base‐isolated liquid storage tanks can be achieved by adopting performance‐based design (PBD) principles. In this work, the focus is given on sliding‐based systems, namely, single friction pendulum bearings (SFPBs), triple friction pendulum bearings (TFPBs), and mainly on the recently developed quintuple friction pendulum bearings (QFPBs). More specifically, the study is focused on the fragility analysis of tanks isolated by sliding‐bearings, emphasizing on isolators’ displacements due to near‐fault earthquakes. In addition, a surrogate model has been developed for simulating the dynamic response of the superstructure (tank and liquid content) to achieve an optimal balance between computational efficiency and accuracy.
About Me
Dr Yiannis Tsompanakis is a civil engineer specialized in computational dynamic methods in engineering. He is Professor in the School of Chemical and Environmental Engineering of the Technical University of Crete, Greece, and Head of Computational Dynamics & Energy (CODEN) Research Group. He teaches undergraduate & postgraduate courses and has supervised PhD, MSc and Diploma theses. He is expert in development and application of advanced simulation techniques and computational methods for structures and infrastructure. His research and engineering interests and expertise include structural and geotechnical earthquake engineering, geoenvironmental engineering, soil-structure interaction, structural optimization, probabilistic mechanics, structural integrity assessment & monitoring, life-cycle analysis & performance-based design, lifelines, and artificial intelligence methods. He has significant practical and scientific experience from his participation in many national and international projects. As an internationally recognized researcher he has published more than 250 publications (journal papers, international conference papers, book chapters, edited books and conference proceedings). He has also prepared special issues in journals and organized several conferences, special sessions and mini-symposia. He is reviewer in many archival scientific engineering journals. He is Technical Editor of the Structure and Infrastructure Engineering Journal (Taylor & Francis Publ.).