Since 1963
ARTICLE
Higher order numerical homogenization in modeling of asphalt concrete
1
Cracow University of Technology, Cracow, Poland
These authors had equal contribution to this work
Submission date: 2023-10-29
Final revision date: 2024-01-08
Acceptance date: 2024-01-22
Online publication date: 2024-04-14
Publication date: 2024-04-30
Corresponding author
Marek Klimczak
Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155, Cracow, Poland
Faculty of Civil Engineering, Cracow University of Technology, Warszawska 24, 31-155, Cracow, Poland
Journal of Theoretical and Applied Mechanics 2024;62(2):351-364
KEYWORDS
TOPICS
ABSTRACT
In this paper, we present an enhanced version of the two-scale numerical homogenization
with application to asphalt concrete modeling in the elastic range. We modified the method
of effective material parameters tensor assessment for analysis based on the representative
volume element (RVE). As the method was tested on asphalt concrete, we also present two
possible approaches to geometrical modeling of its internal microstructure. Selected numerical
tests were performed to verify the proposed approach. The main novelties of this study,
i.e. higher order approximation at the macroscale and modification of boundary conditions
at the level of RVE analysis, improved the efficiency of our methodology by error reduction.
Practically, we obtained a reduction of NDOF up to 3 orders of magnitude (comparing to
full-scale and homogenized analysis) that was accompanied with the introduced error of
order of several percent (measured in L2 norm).
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| eISSN: | 2543-6309 |
| ISSN: | 1429-2955 |
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