A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing
In this paper, a numerical method is proposed to simulate the mechanical behavior of a new polymeric pre-structured material manufactured by fused filament fabrication (FFF), where the filaments are oriented along the principal stress directions. The model implements optimized filament orientations,...
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| Format: | Article |
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MDPI AG
2021-05-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/11/11/5075 |
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| author | Marouene Zouaoui Julien Gardan Pascal Lafon Ali Makke Carl Labergere Naman Recho |
| author_facet | Marouene Zouaoui Julien Gardan Pascal Lafon Ali Makke Carl Labergere Naman Recho |
| author_sort | Marouene Zouaoui |
| collection | DOAJ |
| description | In this paper, a numerical method is proposed to simulate the mechanical behavior of a new polymeric pre-structured material manufactured by fused filament fabrication (FFF), where the filaments are oriented along the principal stress directions. The model implements optimized filament orientations, obtained from the G code by assigning materials references in mesh elements. The Gauss points are later configured with the physical behavior while considering a homogeneous solid structure. The objective of this study is to identify the elastoplastic behavior. Therefore, tensile tests were conducted with different filament orientations. The results show that using appropriate material constants is efficient in describing the built anisotropy and incorporating the air gap volume fraction. The suggested method is proved very efficient in implementing multiplex G code orientations. The elastic behavior of the pre-structured material is quasi-isotropic. However, the anisotropy was observed at the yield point and the ultimate stress. Using the Hill criterion coupled with an experimental tabular law of the plastic flow turns out to be suitable for predicting the response of various specimens. |
| first_indexed | 2024-03-10T10:52:17Z |
| format | Article |
| id | doaj.art-03bf673a663648ee902403bfb9ca028c |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T10:52:17Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-03bf673a663648ee902403bfb9ca028c2023-11-21T22:07:46ZengMDPI AGApplied Sciences2076-34172021-05-011111507510.3390/app11115075A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D PrintingMarouene Zouaoui0Julien Gardan1Pascal Lafon2Ali Makke3Carl Labergere4Naman Recho5ERMESS, EPF-Engineering School, 2 Rue Fernand Sastre, 10430 Rosières-prés-Troyes, FranceERMESS, EPF-Engineering School, 2 Rue Fernand Sastre, 10430 Rosières-prés-Troyes, FranceInstitut Charles Delaunay, LASMIS, UTT, UMR CNRS 6281, 12 Rue Marie Curie, 10010 Troyes, FranceERMESS, EPF-Engineering School, 2 Rue Fernand Sastre, 10430 Rosières-prés-Troyes, FranceInstitut Charles Delaunay, LASMIS, UTT, UMR CNRS 6281, 12 Rue Marie Curie, 10010 Troyes, FranceERMESS, EPF-Engineering School, 2 Rue Fernand Sastre, 10430 Rosières-prés-Troyes, FranceIn this paper, a numerical method is proposed to simulate the mechanical behavior of a new polymeric pre-structured material manufactured by fused filament fabrication (FFF), where the filaments are oriented along the principal stress directions. The model implements optimized filament orientations, obtained from the G code by assigning materials references in mesh elements. The Gauss points are later configured with the physical behavior while considering a homogeneous solid structure. The objective of this study is to identify the elastoplastic behavior. Therefore, tensile tests were conducted with different filament orientations. The results show that using appropriate material constants is efficient in describing the built anisotropy and incorporating the air gap volume fraction. The suggested method is proved very efficient in implementing multiplex G code orientations. The elastic behavior of the pre-structured material is quasi-isotropic. However, the anisotropy was observed at the yield point and the ultimate stress. Using the Hill criterion coupled with an experimental tabular law of the plastic flow turns out to be suitable for predicting the response of various specimens.https://www.mdpi.com/2076-3417/11/11/5075pre-structured materialadditive manufacturingfinite element modelingmechanical behaviorfracture mechanicsAcrylonitrile Butadiene Styrene |
| spellingShingle | Marouene Zouaoui Julien Gardan Pascal Lafon Ali Makke Carl Labergere Naman Recho A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing Applied Sciences pre-structured material additive manufacturing finite element modeling mechanical behavior fracture mechanics Acrylonitrile Butadiene Styrene |
| title | A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing |
| title_full | A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing |
| title_fullStr | A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing |
| title_full_unstemmed | A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing |
| title_short | A Finite Element Method to Predict the Mechanical Behavior of a Pre-Structured Material Manufactured by Fused Filament Fabrication in 3D Printing |
| title_sort | finite element method to predict the mechanical behavior of a pre structured material manufactured by fused filament fabrication in 3d printing |
| topic | pre-structured material additive manufacturing finite element modeling mechanical behavior fracture mechanics Acrylonitrile Butadiene Styrene |
| url | https://www.mdpi.com/2076-3417/11/11/5075 |
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