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    Wyświetlanie 1-3 z 3
    Tytuł:
    Shape identification in nonlinear boundary problems solved by pies method
    Autorzy:
    Zieniuk, E.
    Bołtuć, A.
    Szerszeń, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/387431.pdf
    Data publikacji:
    2014
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    PIES
    PIES method
    defect
    shape identification
    nonlinear equation
    metoda PIES
    defekt
    identyfikacja kształtu
    równanie nieliniowe
    Opis:
    The paper presents the strategy for identifying the shape of defects in the domain defined in the boundary value problem modelled by the nonlinear differential equation. To solve the nonlinear problem in the iterative process the PIES method and its ad-vantages were used: the efficient way of the boundary and the domain modelling and global integration. The identification was performed using the genetic algorithm, where in connection with the efficiency of PIES we identify the small number of data required to the defect’s definition. The strategy has been tested for different shapes of defects.
    Źródło:
    Acta Mechanica et Automatica; 2014, 8, 1; 16-21
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Parametric integral equations systems method in solving unsteady heat transfer problems for laser heated materials
    Autorzy:
    Sawicki, D.
    Zieniuk, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/386960.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
    Tematy:
    PIES method
    transient heat transfer
    laser heating
    FEM
    metoda PIES
    ogrzewanie laserem
    wymiana ciepła
    przenikanie ciepła
    parametryczny układ równań całkowych
    Opis:
    One of the most popular applications of high power lasers is heating of the surface layer of a material, in order to change its properties. Numerical methods allow an easy and fast way to simulate the heating process inside of the material. The most popular numerical methods FEM and BEM, used to simulate this kind of processes have one fundamental defect, which is the necessity of discretization of the boundary or the domain. An alternative to avoid the mentioned problem are parametric integral equations systems (PIES), which do not require classical discretization of the boundary and the domain while being numerically solved. PIES method was previously used with success to solve steady-state problems, as well as transient heat transfer problems. The purpose of this paper is to test the efficacy of the PIES method with time discretization in solving problem of laser heating of a material, with different pulse shape approximation functions.
    Źródło:
    Acta Mechanica et Automatica; 2015, 9, 3; 167-172
    1898-4088
    2300-5319
    Pojawia się w:
    Acta Mechanica et Automatica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Popularisation of Science and Science Journalism on Social Media in Slovakia
    Autorzy:
    Vrabec, Norbert
    Pieš, Lukáš
    Powiązania:
    https://bibliotekanauki.pl/articles/52495249.pdf
    Data publikacji:
    2023
    Wydawca:
    Univerzita sv. Cyrila a Metoda. Fakulta masmediálnej komunikácie
    Tematy:
    Instagram
    Popularisation of Science
    Pseudoscience
    Scientific Information
    Science Journalism
    Scientific Literacy
    Social Media
    Opis:
    This study focuses on the presentation and interpretation of scientific information and data by Slovak creators on the social platform Instagram. Media content presented on social media often becomes problematic, as popular science posts are more in an entertaining than scientific form. It happens that popular science content is presented inaccurately, without deeper context. In addition, scientific misinformation and misleading information appears, which can pose a danger to audience members who trust such information. Science journalism has found its place not only in traditional media, but also on social media platforms, where problematic information on scientific topics goes viral and achieves a high level of user interaction. In an unregulated or under-regulated social networking environment, it is also more difficult for users to discern the credibility and relevance of the information presented, especially when referring to existing scientific studies or authorities. However, data from these sources may be taken out of context, interpreted in a misleading way or accompanied by completely fabricated or distorted conclusions. Such false scientific content undermines confidence in objective science journalism and discredits the work of science journalists. Several digital tools are now available that can help readers distinguish real scientific information from false information. Critical thinking, media literacy and scientific literacy are key skills that can be used to detect manipulative techniques and navigate the issue of false media content. In this paper, we therefore clarify the importance of media, scientific and information literacy skills to help identify misinformation in media content related to science and research.
    Źródło:
    Media Literacy and Academic Research; 2023, 6, 1; 206-226
    2585-8726
    2585-9188
    Pojawia się w:
    Media Literacy and Academic Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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