Digital Library of Zielona Góra contains 9 272 digital objects
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Title: Identification of local elastic parameters in heterogeneous materials using a parallelized femu method
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Abstract:
In this work, we explore the possibilities of the widespread Finite Element Model Updating method (FEMU) in order to identify the local elastic mechanical properties in heterogeneous materials. The objective function is defined as a quadratic error of the discrepancy between measured fields and simulated ones. ; We compare two different formulations of the function, one based on the displacement fields and one based on the strain fields. We use a genetic algorithm in order to minimize these functions. We prove that the strain functional associated with the genetic algorithm is the best combination. We then improve the implementation of the method by parallelizing the algorithm in order to reduce the computation cost. We validate the approach with simulated cases in 2D.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
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Pages:
Source:
IJAME, volume 24, number 4 (2019)
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License:
License CC BY-NC-ND 4.0:
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Biblioteka Uniwersytetu Zielonogórskiego
Object collections:
- Repository > Faculties > Faculty of Mechanical Engineering
- Repository > Types of work > Articles
- Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME)
- Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME) > International Journal of Applied Mechanics and Engineering (IJAME) (2019)
Last modified:
Jul 6, 2023
In our library since:
Mar 6, 2023
Number of object content hits:
175
All available object's versions:
https://zbc.uz.zgora.pl/repozytorium/publication/78594
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| Edition name | Date |
|---|---|
| Identification of local elastic parameters in heterogeneous materials using a parallelized femu method | Jul 6, 2023 |
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