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The International Journal of Advanced Manufacturing Technology
Published in: The International Journal of Advanced Manufacturing Technology 9-10/2021

29-05-2021 | ORIGINAL ARTICLE

Comparison of FEA simulations and experimental results for as-built additively manufactured dogbone specimens

Authors: Prathamesh Baikerikar, Cameron J. Turner

Published in: The International Journal of Advanced Manufacturing Technology | Issue 9-10/2021

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Abstract

Parts built using fused deposition modeling (FDM—an additive manufacturing technology) differ from their design model in terms of their microstructure and material properties. These differences lead to a certain amount of ambiguity regarding the structure, strength, and stiffness of the final FDM part. Increasing use of FDM parts as end use products necessitates accurate simulations and analyses during part design. However, analysis methods such as finite element analysis, are used for analysis of continuum models, and may not accurately represent the non-continuous non-linear FDM parts. Therefore, it is necessary to determine the accuracy and precision of FEA for FDM parts. The goal of this study is to compare FEA simulations of the as-built geometries with the experimental tests of actual FDM parts. Dogbone geometries that include different infill patterns are tested under tensile loading and later simulated using FEA. This study found that FEA results are not always an accurate or reliable means of predicting FDM part behaviors.
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Appendix
Available only for authorised users
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Metadata
Title
Comparison of FEA simulations and experimental results for as-built additively manufactured dogbone specimens
Authors
Prathamesh Baikerikar
Cameron J. Turner
Publication date
29-05-2021
Publisher
Springer London
Published in
The International Journal of Advanced Manufacturing Technology / Issue 9-10/2021
Print ISSN: 0268-3768
Electronic ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-021-07307-9

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