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Elasto-viscoplastic material modelling using the multiaxial Prandtl operator approach
ID
Nagode, Marko
(
Author
),
ID
Klemenc, Jernej
(
Author
),
ID
Oman, Simon
(
Author
),
ID
Šeruga, Domen
(
Author
)
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MD5: 41C63BDD48D55F56D3D65347DD507111
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https://www.sciencedirect.com/science/article/pii/S002074032300855X
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Abstract
The closed-form solution for Prandtl model implemented into the finite element method is presented which enables elasto-viscoplastic simulations of engineering materials. A nonlinear temperature-dependent damper is combined in series with the temperature-dependent spring-slider model for the description of the material stress–strain behaviour. The simulation capabilities allow a separate study of influence due to plastic or viscous properties of the material. Several load cases are studied, including constant temperature relaxation and variable thermomechanical loads. The simulation results are then compared to the Abaqus-implemented material model for elasto-viscoplastic simulations. The models provide similar solutions for simpler load cases whereas higher discrepancies can be observed for more complex load histories since the positions of the nonlinear damper in the models differ.
Language:
English
Keywords:
Prandtl operators
,
finite element method
,
thermomechanical loading
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2024
Number of pages:
16 str.
Numbering:
Vol. 267, [article no.] 108953
PID:
20.500.12556/RUL-154263-b4dc9364-fddf-021d-2303-3fd26ca8270b
UDC:
539.3
ISSN on article:
1879-2162
DOI:
10.1016/j.ijmecsci.2023.108953
COBISS.SI-ID:
183728643
Publication date in RUL:
05.02.2024
Views:
299
Downloads:
21
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Record is a part of a journal
Title:
International journal of mechanical sciences
Publisher:
Elsevier
ISSN:
1879-2162
COBISS.SI-ID:
23008517
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Secondary language
Language:
Slovenian
Keywords:
Prandtlovi operatorji
,
metoda končnih elementov
,
termomehansko obremenjevanje
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0182
Name:
Razvojna vrednotenja
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