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Research data for "Acoustic wave propagation in double-porosity permeo-elastic media"

Version 1.0

Zieliński, Tomasz, 2026, "Research data for "Acoustic wave propagation in double-porosity permeo-elastic media"", https://doi.org/10.18150/C5RB2F, RepOD, V1

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Description

This dataset contains research data used to prepare the publication:

C.C. Parra, R. Venegas, T.G. Zieliński "Acoustic wave propagation in double-porosity permeo-elastic media",

Applied Mathematics and Mechanics (English Edition), 46(8), 1511-1532, 2025. DOI: 10.1007/s10483-025-3281-8


This research was supported by: (1) Chilean National Agency for Research and Development (ANID) through ANID FONDECYT Regular (Nos. 1211310 and 1250496), and ANID Anillo de Tecnologia (No.ACT240015); (2) (Polish) National Science Centre (NCN), Poland, under grant agreement 2021/41/B/ST8/04492.


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


The files contain data on the effective properties determined for the original permeable-elastic double-porosity material, namely: the effective compressibility, the effective density and the effective speed of sound in the homogenised material. These results were obtained using COMSOL Multiphysics and MATLAB environments.


Each file contains several labeled columns of data. The column labels mean:

Freq - the frequency;

Real - the real part of the effective property;

Imag - the imaginary part of the effective property;

Magnitude - the magnitue (absolute value) of the effective property;

Phase - the phase (in rad) of the effective property;

PhasePi - the normalised phase (in rad divided by pi) of the effective property.


Subject
Engineering; Physics
Keyword

wave propagation, homogenization, multiscale, metamaterial, permeo- elasticity, double-porosity material

Related Publication

C.C. Parra, R. Venegas, T.G. Zieliński
"Acoustic wave propagation in double-porosity permeo-elastic media"
Applied Mathematics and Mechanics (English Edition), Vol. 46(8), pp. 1511-1532, 2025. https://doi.org/10.1007/s10483-025-3281-8 doi: 10.1007/s10483-025-3281-8

CC0 Creative Commons Zero 1.0 CC0 Creative Commons Zero 1.0

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MAT_DB_PEM.Compressibility.txt
Plain Text - 7.9 KB - Mar 31, 2026 - 0 Downloads
MD5: 07170a6af2680dbcea934e46a5d9409d
License: CC0 Creative Commons Zero 1.0
the effective compressibility of the permeable-elastic material with double porosity
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MAT_DB_PEM.Density.txt
Plain Text - 7.9 KB - Mar 31, 2026 - 0 Downloads
MD5: cf44b2e4442d8ed05403d4efdc8ce968
License: CC0 Creative Commons Zero 1.0
the effective density of the permeable-elastic material with double porosity
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MAT_DB_PEM.SoundSpeed.txt
Plain Text - 7.9 KB - Mar 31, 2026 - 0 Downloads
MD5: 35dbe3f452790af4be46494214e2cc00
License: CC0 Creative Commons Zero 1.0
the effective speed of sound in the permeable-elastic material with double porosity
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