Gintautas Dundulis

Laboratory of Nuclear Installation Safety (17)
Senior research associate
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Scientific article


Alzbutas R. [LEI], Dundulis G. [LEI]. Probabilistic Assessment of Structural Integrity In: Axioms. Basel: MDPI, 2024, Vol. 13, Iss. 3, 154, p. 1-22. ISSN 2075-1680.
Janulionis R. [LEI], Dundulis G. [LEI]. Study of the impact of hydrides on the fracture toughness of Zr-2.5Nb alloy In: Nuclear Engineering and Design. Lausanne: Elsevier, 2024, Vol. 416, 112803, p. 1-14. ISSN 0029-5493.


Eidukynas V., Dundulis G. [LEI], Babilas E. [LEI]. Numerical simulation of a shock absorber used for protecting of casks for spent nuclear fuel In: Nuclear Engineering and Design . Lausanne: Elsevier, 2023, Vol. 415, 112703, p. 1-10. ISSN 0029-5493, eISSN 1872-759X.
Pate B. S., Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical modelling of the low cycle fatigue in austenitic stainless steel In: Mechanika 2023: proceedings of the 27th international scientific conference, 26 May 2023, Kaunas University of Technology, Lithuania: proceedings. Kaunas: Kauno technologijos universitetas, 2023, p. 279-283. ISSN 2783-5677.
Janulionis R. [LEI], Dundulis G. [LEI]. Numerical Evaluation of Residual Stress Influence on SIF in CT Specimen In: Applied Sciences. Basel: MDPI, 2023, Vol. 13, Iss. 10, 6180, p. 1-15. ISSN 2076-3417.


Bruchhausen M., Dundulis G. [LEI], McLennan A., Arrieta S., Austin T., n Cicero R., Chitty W. - J., Doremus L., Ernestova M., Grybėnas A. [LEI], Huotilainen C., Mann J., Motterchead K., Novotny R., Perosanz F. J., Platts N., le Roux J.-Ch., Spätig P., Celeizábal C. T., Twite M., Vankeerberghen M.. Characterization of Austenitic Stainless Steels with Regard to Environmentally Assisted Fatigue in Simulated Light Water Reactor Conditions In: Metals. Basel: MDPI, 2021, Vol. 11, Iss. 2, 307, p. 1-20. ISSN 2075-4701.
Janulionis R. [LEI], Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical research of elastic-plastic fracture toughness of aged ferritic-martensitic steel In: Engineering Failure Analysis. Oxford: Elsevier, 2021, Vol. 120, 105070, p. 1-10. ISSN 1350-6307.


Janulionis R. [LEI], Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical Research of Fracture Toughness of Aged Ferritic-Martensitic Steel In: Metals. Basel: MDPI, 2020, Vol. 10 (12), 1686, p. 1-13. ISSN 2075-4701.
Saad D., Dundulis G. [LEI], Janulionis R. [LEI]. Calculation of SIFs for semi-elliptical surface cracks in U-shapedbellows expansion joints of Es-Salam research reactor vessel In: Engineering Failure Analysis. Oxford: Elsevier, 2020, Vol. 111, 104481, p. 1-13. ISSN 1350-6307.


Saad D., Dundulis G. [LEI], Janulionis R. [LEI]. Numerical simulation of SIF in Es-Salam research reactor vessel In: Engineering Failure Analysis. Oxford: Elsevier, 2019, Vol. 96, p. 394-408. ISSN 1350-6307.

Conference paper


Sushant B. P., Dundulis G. [LEI], Grybėnas A. [LEI]. Application of finite element method for low cycle fatigue analysis for steel In: Metal 2023: 32nd international conference on metallurgy and materials, May 17 - 19, 2023. Ostrava-Zabreh: Tanger, 2023, p. 289-295. ISSN 2694-9296 ISBN 978-80-88365-12-9.


Dundulis G. [LEI], Grybėnas A. [LEI], Bruchhausen M., Cicero R., Mottershead K., Huotilainen C., Le-Rouxs J.-Ch., Vankeerberghen M.. INCEFA-PLUS project: review of the test programme and main results In: Proceedings 29th International Conference on Metallurgy and Materials Brno, Czech Republic, EU, May 20 - 22, 2020. Brno: 2020, p. 410-415. Scopus. ISSN 2694-9296 ISBN 978-80-87294-97-0.


Janulionis R. [LEI], Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical Investigation of Hydrogen Influence on Stress Intensity Factor of Zirconium Alloy In: Proceedings of 23rd International Conference “MECHANIKA 2018”. Druskininkai, 18 gegužės 2018 . Kaunas: Kauno technologijos universitetas, 2018, p. 58-61. ISSN 1822-2951.


Žutautaitė I. [LEI], Dundulis G. [LEI], Rimkevičius S. [LEI], Ušpuras E. [LEI], Eid M., Stakelytė G.. Estimation of rare events probabilities in natural gas transmission networks In: 10th International conference on mathematical methods in reliability (MMR 2017). Grenoble, France: 2017, p. 1-9..
Dundulis G. [LEI], Alzbutas R. [LEI]. Pipe rupture and inspection sensitivity analysis In: Proceedings of the 52th ESReDA Seminar, May 30-31, 2017, Lithuania. Kaunas: 2017, p. 108-116. ISBN 978-92-79-73870-8.
Žutautaitė I. [LEI], Augutis J. [LEI], Krikštolaitis R. [LEI], Dundulis G. [LEI], Valinčius M. [LEI], Rimkevičius S. [LEI]. Risk and reliability assessment of the district heating network methodology with case study In: Risk, Reliability and Safety: Innovating theory and practice – Walls, Revie & Bedford (Eds). Londonas: Taylor & Francis Group, 2017, p. 2578-2585. ISBN 978-1-138-02997-2.


Janulionis R. [LEI], Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical investigation of critical stress intensity factor In: 13th Annual international conference of young scientists on energy issues (CYSENI 2016), Kaunas, Lithuania, May 26–27, 2016. Kaunas: LEI, 2016. Kaunas: Lietuvos energetikos institutas, 2016, p. 226-233. ISSN 1822-7554.
Dundulis G. [LEI], Janulionis R. [LEI], Makarevičius V. [LEI], Grybėnas A. [LEI]. Fracture toughness numerical modelling of the martensitic chromium stell In: 25th Anniversary International Conference on Metallurgy and Materials. Conference proceedings May 25th - 27th 2016 Hotel Voronez I, Brno, Czech Republic. Ostrava: Tanger Ltd, 2016, p. 592-597. ISBN 978-80-87294-67-3.


Janulionis R. [LEI], Dundulis G. [LEI], Grybėnas A. [LEI]. Numerical simulation of high temperature fatigue test of the welded steel P91 In: 23rd Conference on Structural Mechanics in Reactor Technology Manchester (SMIRT23). United Kingdom: 2015, p. 1-8..
Dundulis G. [LEI], Janulionis R. [LEI], Grybėnas A. [LEI]. Deterministic-probabilistic structural integrity analysis of the gas transmission pipelines In: Proceedings of the 48th ESReDA Seminar, May 28-29, 2015. Wroclaw, Poland: 2015, p. 1-8..

Popular science article


Augutis J. [LEI], Babilas E. [LEI], Dundulis G. [LEI], Kaliatka A. [LEI], Kaliatka T. [LEI], Krikštolaitis R. [LEI], Martišauskas L. [LEI], Rimkevičius S. [LEI], Pabarčius R. [LEI], Povilaitis M. [LEI], Stankūnas G. [LEI], Urbonas R. [LEI], Urbonavičius E. [LEI]. Scientific inheritance of Eugenijus Ušpuras In: Kerntechnik. Munchen: Carl Hanser Verlag, 2020, Vol. 85, Iss. 2, p. 72-81. ISSN 0932-3902.


Dundulis G. [LEI]. Branduolinių elektrinių saugos padidinimas padengiant trūkumus, įvertinus aplinkos nuovargį (INCEFA-PLUS In: Energetika. (Kronika) [EBSCO, IndexCopernicus, SCOPUS]. Vilnius: Lietuvos mokslų akademija, 2015, T. 61, Nr. 3-4, p. 6-7. ISSN 0235-7208.

International projects

Horizon Europe


EUROfusion’s updated Fusion Research Roadmap aims to acquire the necessary knowledge to start constructing a demonstration fusion power plant (DEMO) five years after ITER is in full-pMore

Horizon 2020


INCEFA-PLUS delivers new experimental data and new guidelines for assessment of environmental fatigue damage to ensure safe operation of European nuclear power plants. Austenitic sMore


The goal of the project is an analysis of the applicability and technical feasibility of the IVMR strategy to high power reactors, both for existing ones (e.g. VVER 1000 type 320 unitMore

Seventh Framework Programme (FP7)


The ARCADIA project has been conceived so as to provide a twofold support to the further development of nuclear research programs in the NMS, targeting two major areas included in theMore


The objective of the NUGENIA+ project is to support the NUGENIA Association in its role to coordinate and integrate European research on safety of the Gen II and III nuclear installatMore


Since 2013, LEI participated in the Consortium, managed by the Institut de Radioprotection et de Sûreté Nucléaire (IRSN), by implementing EU Seventh Framework Programme project AdvancMore


The European Sustainable Nuclear Industrial Initiative was launched in November 2010 to anticipate the development a fleet of fast reactors with closed cycle. Three fast neutron technMore


The operational conditions envisaged for the various  GEN IV reactor concepts, under consideration in the ESNII initiative, are quite demanding and significantly  different from the sMore


Today, about 80% of all energy produced comes from the fossil fuel (oil, carbon, and natural gas). European scientists are developing environmentally friendly, safe, and renewable eneMore

Sixth Framework Programme (FP6)

01.10.2006 - 01.10.2011

European organisations have been at the forefront in developing advanced plant life management methodologies, mainly at national level. Their overall impact has been reduced by fragmeMore

Other international projects


Project participants: Aslan Avcı Döküm Sanayi ve Ticaret A.Ş., Turkey Lietuvos energetikos institutas, LithuaniaMore

Projects in Lithuania

EU Structural Funds

2014–2020 ES fondų investicijų ženklas

Akcinė bendrovė „Astra LT“ kartu su partneriu Lietuvos energetikos institutu įgyvendina projektą „Investicijos į labai didelių gabaritų talpyklų ir reaktorių su kavitaciniu maišymu More