Audrius Šimonis

Nuclear Engineering Laboratory (14)
Senior research associate
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Book or monograph


Almas M., Aoyama Y., Ashworth P., Buday G., Šimonis A. [LEI], et al. Communication and Stakeholder Involvement in Radioactive Waste Disposal In: IAEA Nuclear Energy Series No. NW-T-1.16. Vienna: International Atomic Energy Agency, 2022, p. 1-106. ISSN 1995-7807 ISBN 978-92-0-122720-1.

Scientific article


Narkūnas E. [LEI], Šmaižys A. [LEI], Poškas P. [LEI], Šimonis A. [LEI], Naumov V., Ekaterinichev D.. Gamma Radiation Shielding Assessment Using Stochastic, Deterministic, and Experimental Methods for RBMK-1500 SNF Storage Cask In: Nuclear Technology . Philadelphia: American Nuclear Society, 2022, Vol. 208, Iss. 12, p. 1876-1889. Scopus . ISSN 0029-5450 , eISSN 1943-7471.


Poškas P. [LEI], Kilda R. [LEI], Šimonis A. [LEI], Jouhara H., Poškas R. [LEI]. Disposal of very low-level radioactive waste: Lithuanian case on the approach and long-term safety aspects In: Science of the Total Environment. Amsterdam: Elsevier, 2019, Vol. 447, p. 464-474. ISSN 0048-9697.
Poškas G. [LEI], Poškas P. [LEI], Šimonis A. [LEI]. Assessment of the Radioactive Contamination of the RBMK-1500 Reactor’s Steam Pipelines and High Pressure Rings In: Science and Technology of Nuclear Installations. London: Hindawi, 2019, p. 1-8. ISSN 1687-6075, eISSN 1687-6083.


Šimonis A. [LEI], Poškas G. [LEI], Poškas P. [LEI]. Estimation of the radiation doses during the dismantling of the equipment in Building 117/1 at the Ignalina NPP In: Annals of Nuclear Energy. Oxford, England: Elsevier, 2018, 121, p. 29-35. ISSN 0306-4549.


Šimonis A. [LEI], Poškas P. [LEI], Poškas G. [LEI], Grigaliūnienė D. [LEI]. Modeling of the radiation doses during dismantling of RBMK-1500 reactor emergency core cooling system large diameter pipes In: Annals of Nuclear Energy. Oxford: Elsevier, 2015, Vol. 85, p. 159-165. ISSN 0306-4549.
Ragaišis V. [LEI], Poškas P. [LEI], Šimonis A. [LEI]. Methodology for the scoping assessment of radioactive releases during dismantling of RBMK-1500 reactor systems with low-level contamination In: Annals of Nuclear Energy. Oxford: Elsevier, 2015, Vol. 75, p. 193-198. ISSN 0306-4549.

Conference paper


Šimonis A. [LEI], Poškas G. [LEI], Poškas P. [LEI], Klevinskas G.. Decommissioning of Radon Type Radioactive Waste Storage Facility in Lithuania In: International Conference on Radioactive Waste Management: Solutions for a Sustainable Future (IAEA), November 1-5, 2021, Vienna, Austria. Vienna: IAEA, 2021, CN-294, p. 96-96..

International projects

Horizon 2020

EURAD project logo

Following decades of RD&D in support of the safe management and disposal of radioactive waste, and building on the preparatory work of the recent EC JOPRAD project, a European JoiMore

SHARE project logo

According to the projections based on likely remaining life-times of the World’s legacy nuclear fleet, the workload and budgets to be dedicated for nuclear decommissioning is going toMore


The overall objective of the project is to develop and test the tools necessary for the assessment of the hydro-mechanical evolution of an installed bentonite barrier and its resultinMore

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 PLATENSO is to provide a proposal towards establishing the legal base for a European Entity on Socio-Economic matters linked to nuclear technology and to develop recoMore