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Wyświetlanie 1-3 z 3
Tytuł:
The role of die definition in the numerical simulations of two-points incremental forming processes
Autorzy:
Perzynski, Konrad
Pawlikowski, Kacper
Madej, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/29520054.pdf
Data publikacji:
2023
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
two-points incremental forming
finite element method
additive manufacturing
Opis:
The main objective of this work is to investigate the influence of the definition of dies type in the finite element simulation of the two-points incremental forming processes (TPIF). Particular attention is on determining the effect of assigning elastic properties for the 3D printed dies or considering fully rigid on the final results. During the research, three different shapes of dies were analyzed. Simulation results in the form of sheet thickness distributions and measured forces are presented for comparison purposes.
Źródło:
Computer Methods in Materials Science; 2023, 23, 1; 5-12
2720-4081
2720-3948
Pojawia się w:
Computer Methods in Materials Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of model size and boundary conditions on the representativeness of digital material representation simulations of ferritic-pearlitic sample compression
Autorzy:
Perzyński, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/29520075.pdf
Data publikacji:
2022
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
representativeness
digital material representation
finite element method
periodic boundary conditions
Opis:
The main objective of this work is to investigate the representativeness of the digital material representation (DMR) models of ferritic-pearlitic steel generated by the hybrid cellular automata (CA) / Monte Carlo (MC) algorithm. Particular attention is focused on determining the effect of the size of the digital representation model on its representativeness under deformation conditions simulated with the finite element (FE) framework. In addition, the effect of periodic and non-periodic boundary conditions on the deformation behaviour of DMR models is analysed. A dedicated buffer zone approach applied the periodic boundary conditions on non-periodic finite element models. The results of equivalent stresses and strains and their average values are used to evaluate the differences between the models’ predictions.
Źródło:
Computer Methods in Materials Science; 2022, 22, 2; 59-66
2720-4081
2720-3948
Pojawia się w:
Computer Methods in Materials Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Capturing local material heterogeneities in numerical modelling of microstructure evolution
Autorzy:
Madej, Lukasz
Sitko, Mateusz
Fular, Aleksander
Sarzyn, Rafal
Werminski, Mariusz
Perzynski, Konrad
Powiązania:
https://bibliotekanauki.pl/articles/2052206.pdf
Data publikacji:
2021
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
microstructure
cellular automata
finite element method
spring algorithm
Opis:
The work focuses on developing the complex digital shadow of the metallic material microstructure that can predict its evolution during metal forming operations. Therefore, such a digital shadow has to consider all major physical mechanisms influencing the particular investigated phenomenon. The motivation for the work is directly related to the development of modern metallic materials, often of multiphase nature. Such microstructure types lead to local heterogeneities influencing material behaviour and eventually macroscopic properties of the final product. The concept of the digital material shadow, stages of the model development, and examples of practical applications to simulation of microstructure evolution are presented within the work. Capturing local heterogeneities that have a physical origin and eliminating numerical artefacts is particularly addressed. Obtained results demonstrate the capabilities of such a digital microstructure shadow approach in the numerical design of final product properties.
Źródło:
Journal of Machine Engineering; 2021, 21, 4; 29-48
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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