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. 2021 Jun 15;11:11370. doi: 10.1038/s41598-021-90090-0

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Visual conceptions (left) and implementation examples (right) of representative network models. (a) The Pore Network Model separates the pore space into spherical pores with radius R_P and cylindrical throats with radius R_T. (b) Pore Network Model representation using color-coded diameters. (c) The capillary network model separates the pore space into a sequence of short cylinders with gradually changing radii {R_n}. (d) Capillary Network Model representation using color-coded diameters. The white scale bar represents 100 µm. Visual conceptions (a,c) created using Blender v2.92.0 software.