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Research data for "Improving sound absorption through the filament stringing effect in 3D printed acoustic materials"

Version 1.0

Zieliński, Tomasz, 2026, "Research data for "Improving sound absorption through the filament stringing effect in 3D printed acoustic materials"", https://doi.org/10.18150/NTIY4U, RepOD, V1

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Description

This dataset contains research data used to prepare the publication:

Tomasz G. Zieliński, Marco D'Agostini, Andrew Gleadall, Rodolfo Venegas, Paolo Colombo, Giorgia Franchin, "Improving sound absorption through the filament stringing effect in 3D printed acoustic materials", Applied Acoustics, 240 (2025), 110892 (19 pages). DOI: 10.1016/j.apacoust.2025.110892


This research was supported by the National Science Centre (NCN), Poland, under grant agreement 2021/41/B/ST8/04492.


All data are provided in columns in ASCII (.txt) files.


Files with names starting with "Calc-" contain the results of numerical predictions of sound absorption for acoustic metamaterials with microgeometry based on the Peano-Gosper and a layer thickness of 40.5mm. Each of these files contains three labeled columns of data. The column labels mean:

"Freq" - the frequency;

"Empty Slits" - the values of sound absorption determined for the acoustic metamaterial with empty slits;

"Fibrous Filler" - the values of sound absorption determined for the acoustic metamaterial with slits filled with a fibrous filler.

These results were obtained using COMSOL Multiphysics and MATLAB environments.


The file "Experiment-YellowABS-GosperSampleWithFibres" contains the sound absorption coefficient measured for Gosper-curve-based metematerial samples 3D printed in the FDM technology. There are five labeled columns of data and the labels mean:

"Freq" - the frequency;

"SF30" - the values of sound absorption determined for the metamaterial samples with STRAIGHT pattern and 30 strings (fibres) per 3D printing layer;

"TF30" - the values of sound absorption determined for the metamaterial samples with TWISTED pattern and 30 strings (fibres) per printed layer;

"SF60" - the values of sound absorption determined for the metamaterial samples with STRAIGHT pattern and 60 strings (fibres) per printed layer;

"TF60" - the values of sound absorption determined for the metamaterial samples with TWISTED pattern and 60 strings (fibres) per printed layer.

These results were obtained using a Bruel&Kjaer impedance tube measurement kit.

Subject
Engineering; Physics
Keyword

Prototyping acoustic composites, Exploiting 3D printing imperfections, Fully controlled G-code, Filament stringing, Fibrous fillers, Sound absorption

Related Publication

T.G. Zieliński, M. D'Agostini, A. Gleadall, R. Venegas, P. Colombo, G. Franchin,
"Improving sound absorption through the filament stringing effect in 3D printed acoustic materials", Applied Acoustics 240 (2025) 110892. https://doi.org/10.1016/j.apacoust.2025.110892 doi: 10.1016/j.apacoust.2025.110892

CC0 Creative Commons Zero 1.0 CC0 Creative Commons Zero 1.0

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1 to 5 of 5 Files
Calc-YellowABS-Gosper+StraightStrings30.txt
Plain Text - 25.9 KB - Mar 31, 2026 - 1 Download
MD5: 5239bbd6dae365cf62a55a7b011dcb50
License: CC0 Creative Commons Zero 1.0
Sound absorption calculated for the acoustic metamaterial based on the straight Gopser-curve pattern, thickness 40.5mm, fibrous filler has 30 strings (fibres) per printed layer
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Calc-YellowABS-Gosper+StraightStrings60.txt
Plain Text - 25.9 KB - Mar 31, 2026 - 0 Downloads
MD5: 69d1bce53627f8247872c838b3cbe530
License: CC0 Creative Commons Zero 1.0
Sound absorption calculated for the acoustic metamaterial based on the straight Gopser-curve pattern, thickness 40.5mm, fibrous filler has 60 strings (fibres) per printed layer
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Calc-YellowABS-Gosper+TwistedStrings30.txt
Plain Text - 25.9 KB - Mar 31, 2026 - 0 Downloads
MD5: 9b6fd0a29341672ea787697b980f9db7
License: CC0 Creative Commons Zero 1.0
Sound absorption calculated for the acoustic metamaterial based on the twisted Gopser-curve pattern, thickness 40.5mm, fibrous filler has 30 strings (fibres) per printed layer
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Calc-YellowABS-Gosper+TwistedStrings60.txt
Plain Text - 25.9 KB - Mar 31, 2026 - 0 Downloads
MD5: 337db026c3c10c9ad55cf4348064bbf1
License: CC0 Creative Commons Zero 1.0
Sound absorption calculated for the acoustic metamaterial based on the twisted Gopser-curve pattern, thickness 40.5mm, fibrous filler has 60 strings (fibres) per printed layer
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Download
Experiment-YellowABS-GosperSampleWithFibres.txt
Plain Text - 68.1 KB - Mar 31, 2026 - 0 Downloads
MD5: 9787993e79b22e0895c8da55978cd179
License: CC0 Creative Commons Zero 1.0
Sound absorption measured for the 3D printed acoustic metamaterial samples based on the Gosper-curve pattern
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