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14. Towards strategic agenda for European nuclear education, training, and knowledge managementLeon Cizelj, Csilla Pesznyák, Jörg Starflinger, Gabriel Lazaro Pavel, Franck Wastin, Eirini Michailidou, 2024, original scientific article Abstract: The key elements of the EU-wide strategic agenda for nuclear education, training, and knowledge management are proposed in this paper. They were developed partly within the ENEN+ and ENEN# projects, to support and consolidate the efforts of the nuclear stakeholders to attract, develop, and retain new talents. The paper considers the projections of needs developed by the European Human Resources Observatory-Nuclear (EHRO-N). It builds on the existing national nuclear education strategies in the EU and beyond and more than two decades of experience with the European Nuclear Education Network (ENEN). The paper outlines and substantiates the most important actions and risks related to human resources, which need to be managed successfully for the EU to contribute to the tripling of the nuclear power generation capacity on the planet by 2050 (as announced in COP28) and to retain its leading role in the nuclear power and non-power applications. The sheer complexity of this challenge calls for high-level strategic support, coordination, and partnership between all nuclear stakeholders, especially those involved in the decision-making. The present situation calls for urgent strategic actions with long-term sustainability.
Keywords: nuclear education, training, knowledge management, strategic agenda
Published in DiRROS: 11.04.2025; Views: 6; Downloads: 4
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15. Fast Fourier transform approach to strain gradient crystal plasticity : regularization of strain localization and size effectAmirhossein Lame Jouybari, Samir El Shawish, Leon Cizelj, 2024, original scientific article Abstract: The Strain Gradient Crystal Plasticity (SGCP), based on cumulative shear strain, is developed to regularize and simulate the size effect behavior of polycrystalline aggregates, specifically in the formation of localization bands in terms of slip and kink bands, influenced by strain softening during the initial stages of plastic deformation. In this respect, the thermodynamically consistent derivation of the SGCP equations is presented, establishing their connection to the kinematics of classical crystal plasticity (CCP) framework. The governing balance equations are solved using the fixed-point algorithm of the fast Fourier transform (FFT)-homogenization method, involving explicit coupling between the classical and SGCP balance equations. To address this problem, a strong 21-voxel finite difference scheme is established. This scheme is considered to solve the higher order balance equation inherent to SGCP. Additionally, three types of interface conditions are implemented to explore the impact of grain boundaries on the transmission of localization bands. These conditions yield consistent intragranular/transgranular localization patterns in the MicroFree and MicroContinuity cases, while in the MicroHard condition all localization bands are intragranular with stress concentrations appearing at the grain boundaries. Analytical solutions corresponding to different material behaviors are developed and compared with numerical results to validate the numerical implementation of the FFT fixed-point algorithm. It is observed that both the macroscopic behavior and microscopic variables in CCP framework are highly influenced by grid resolutions (non-objective), leading to numerical instabilities arising from the material softening and subsequent formation of localization bands, both in single crystals and polycrystalline aggregates. Remarkably, the developed SGCP model provides results that are independent of grid resolutions (objective) and effectively regularizes the material behavior on local scale. Moreover, the non-local parameter of the model is capable of controlling the localization band widths. Finally, the proposed SGCP model, together with employed MicroHard condition on grain boundaries, is demonstrated to qualitatively reproduce main microstructural features of irradiated polycrystalline materials.
Keywords: strain localization A, strain gradient crystal plasticity B, polycrystalline material B, FFT-homogenization method C
Published in DiRROS: 11.04.2025; Views: 7; Downloads: 6
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16. Skriti dokumenti Ivana PucljaTomaž Ivešić, 2017, review article Abstract: V prispevku je predstavljenih pet najdenih dokumentov, ki jih je Ivan Pucelj skril med zapisnike Kmetijske družbe v Ljubljani. Dokumenti so nastali med drugo svetovno vojno in so izrazito politične narave. Na podlagi analize najdenega gradiva je mogoče sklepati, da se Pucelj po izstopu iz konzulte septembra 1941 politično ni povsem umaknil, prav tako pa je najverjetneje imel med visokimi krogi Slovenske ljudske stranke svojega zaupnika.
Keywords: arhivsko gradivo, osebne zapuščine, dokumenti, notranja politika, Jugoslovanska nacionalna stranka, Slovenska legija, druga svetovna vojna, 1943/1944
Published in DiRROS: 11.04.2025; Views: 10; Downloads: 0 |
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18. "Zasedena stanovanja"Mirjam Dujo Jurjevčič, 2017, original scientific article Abstract: Spomladi leta 1969 je bilo ustanovljeno Društvo lastnikov družinskih stanovanjskih hiš in etažnih stanovanj Socialistične republike Slovenije, katerega člani so bili lastniki »zasedenih stanovanj« (stanovanjskih hiš in etažnih stanovanj). Ta stanovanja so postala zasedena v prvih letih po vojni, ko je bilo treba pomagati pri reševanju stanovanjske stiske, ki je nastala kot posledica porušenega stanovanjskega fonda med vojno in kot posledica množičnega priseljevanja s podeželja v mesta zaradi industrializacije. Ker so bila njihova stanovanja po skoraj četrt stoletja še vedno zasedena z najemniki in jih zato niso mogli uporabljati, so skušali organizirano prek društva spremeniti Zakon o stanovanjskih razmerjih, ki jim je to pravico lastništva omejeval. Na podlagi arhivskega gradiva društva lastnikov družinskih stanovanjskih hiš in etažnih stanovanj so predstavljene težave, s katerimi so se srečevali lastniki »zasedenih stanovanj«.
Keywords: stanovanjska politika, stanovanja, lastnina, socializem, Slovenija, arhivsko gradivo, 1969/1987
Published in DiRROS: 10.04.2025; Views: 34; Downloads: 0 |
19. Med preteklostjo in sedanjostjo : o spominih na socializemJelka Piškurić, 2017, original scientific article Abstract: Prispevek obravnava uporabnost spominov na socializem v zgodovinskih raziskavah. Pri tem je izpostavljeno, kakšen je v spominih odnos med preteklostjo in sedanjostjo. Spomini oziroma ustni viri so bogato gradivo za preučevanje socializma, saj odpirajo vidike, ki jih pisno gradivo ne nudi. Hkrati pa je to gradivo nenehno podvrženo spreminjanju, pozabi ali celo potvarjanju. V procesu spominjanja se spomini na preživeta izkustva prikličejo iz preteklosti, iz sedanjosti pa izvirajo vrednote in merila, na podlagi katerih se aktualizirajo. S propadom Jugoslavije in socializma se je spremenil pomen določenih izkustev, kar je vplivalo tudi na spomine. Na njih dodatno vplivajo še družinska zgodovina, okolje, iz katerega izhajajo posamezniki, njihov socialni in ekonomski položaj, politično in nazorsko prepričanje ter različni javni diskurzi.
Keywords: socializem, vsakdanje življenje, zgodovinski spomin, Slovenija
Published in DiRROS: 10.04.2025; Views: 36; Downloads: 0 |
20. Vzroki za izseljevanje s Primorskega v Italijo po drugi svetovni vojniNeža Strajnar, 2017, original scientific article Abstract: V prispevku je pozornost namenjena vprašanju, koliko prebivalcev Primorske se je po vzpostavitvi komunističnega sistema v Jugoslaviji in določitvi nove jugoslovanske-italijanske meje odločilo oditi v tujino. Ugotovljeno je, da je del prebivalstva moral doživljati tako velike pritiske, da so se mnogi posamezniki ali celotne družine odločale za nevarno in protizakonito pot čez mejo, kjer jih je čakala negotova prihodnost. Prav tako so predstavljeni motivi za odhod tistih, ki so se odločili za zapustitev domačega kraja z dovoljenjem oblasti (t. i. optanti).
Keywords: izseljevanje, Primorska, Slovenci, Italija, komunizem, 1945/1960
Published in DiRROS: 10.04.2025; Views: 25; Downloads: 0 |
