Gintautas Dundulis

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


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.
Abramovic I., Pavone A., Moseev D., Lopes Cardozo N. J., Salewski M., and W7-X Team, Alzbutas R. [LEI], Dundulis G. [LEI], Kaliatka T. [LEI], Karalevičius R. [LEI], Povilaitis M. [LEI], Rimkevičius S. [LEI], Urbonavičius E. [LEI]. Forward modeling of collective Thomson scattering for Wendelstein 7-X plasmas: Electrostatic approximation In: Review of Scientific Instruments. AIP, 2019, Vol. 90, No. 2, p. 1-12. ISSN 0034-6748.


Pisano F., Cannas B., Jakubiwski M. W., Niemann H., Sitjes A. P., Wurden G. A., Alzbutas R. [LEI], Dundulis G. [LEI], Kaliatka T. [LEI], Karalevičius R. [LEI], Povilaitis M. [LEI], Rimkevičius S. [LEI], Urbonavičius E. [LEI]. Towards a new image processing system at Wendelstein 7-X: From spatial calibration to characterization of thermal events In: Review of Scientific Instruments. Melville: AIP Publishing, 2018, Vol. 89, 123503, p. 1-10. ISSN 0034-6748, eISSN 1089-7623.
Dinklage A., Beidler C. D., Helander P., Fuchert G., Maaßberg H., Rahbarnia K., Sunn Pedersen T., Turkin Y., Wolf R. C., Alonso A., Andreeva T., Blackwell B., Bozhenkov S., Buttenschön B., Czarnecka A., Effenberg F., Feng Y., Geiger J., Hirsch M., Höfel U., Jakubowski M., Klinger T., Knauer J., Kocsis G., Krämer-Flecken A., Kubkowska M., Langerberg A., Laqua H. P., Marushchenko N., Mollén A., Neuner U., Niemann H., Pasch E., Pablant N., Rudischhauser L., Smith H. M., Schmitz O., Stange T., Szepesi T., Weir G., Windisch T., Wurden G. A., Zhang D., and the W7-X Team, (.., Alzbutas R. [LEI], Dundulis G. [LEI], Kaliatka T. [LEI], Karalevičius R. [LEI], Povilaitis M. [LEI], Rimkevičius S. [LEI], Urbonavičius E. [LEI], ...). Magnetic configuration effects on the Wendelstein 7-X stellarator In: Nature physics. London, England: 2018, Vol. 14, p. 855-860. ISSN 1745-2473.
Janulionis R. [LEI], Dundulis G. [LEI], Kriūkienė R. [LEI], Grybėnas A. [LEI]. Numerical prediction of mechanical properties of zirconium alloy with hydrides using finite element method In: Energetika. Vilnius: Lietuvos mokslų akademija, 2018, T. 64, Nr. 1, p. 43-51. ISSN 0235-7208, eISSN 1822-8836.


Wolf R. C., Ali A., Alonso A., Baldzuhn J., Beidler C., Beurkens M., Biedermann C., Bosch H. C., Bozhenkov S., ...), Alzbutas R. [LEI], Dundulis G. [LEI], Kaliatka T. [LEI], Karalevičius R. [LEI], Povilaitis M. [LEI], Rimkevičius S. [LEI], Urbonavičius E. [LEI]. Major results from the first plasma campaign of the Wendelstein 7-X stellarator In: Nuclear Fusion. Briston: IOP Publishing, 2017, Vol. 57, No. 10, 102020, p. 1-13. ISSN 0029-5515, eISSN 1741-4326.

Conference paper


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 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 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



The successful deployment of advanced WCR technologies includes the development of design certification probabilistic safety assessment (PSA) studies that among other aspects must alsMore

Other international projects


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