![]() We are also very grateful for the valuable comments given by the anonymous reviewers.Ĭopyright 2021 Elsevier B.V., All rights reserved.Ībstract = "Many products incorporate into their design fibrous material with particular levels of permeability as a way to control the retention and flow of liquid. The authors would like to thank Claudia Redenbach and Katja Schladitz of the Technical University of Kaiserslautern and the Fraunhofer Institute for Industrial Mathematics for their hospitality and informative discussions during a research visit to Kaiserslautern. This work was financially supported by Vinnova (project number 2018?00424) as part of the CoSiMa project, as well as by the Swedish Research Council (VR 2018-03986) and by the Swedish Foundation for Strategic Research (SSF AM13-0066). We are also very grateful for the valuable comments given by the anonymous reviewers. ![]() This work was financially supported by Vinnova (project number 2018–00424) as part of the CoSiMa project, as well as by the Swedish Research Council (VR 2018-03986) and by the Swedish Foundation for Strategic Research (SSF AM13-0066). We use several spatial measures to show the consistency between the real and virtual structures, and demonstrate with lattice Boltzmann simulations that our virtual structure has good agreement with respect to the permeability of the physical material. The segmented fibers are used to estimate the parameters of a 3D stochastic model for generating softcore virtual fiber structures. 3D image data sets of a sample fibrous material are obtained using X-ray microtomography and the individual fibers isolated. We consider a parametric virtual fiber model as a replacement for the real material to facilitate studying the relationship between structure and properties in a cheaper and more convenient manner. ![]() The production and experimental testing of these materials can be expensive and time consuming, particularly if it needs to be optimised to a desired level of absorbency. Many products incorporate into their design fibrous material with particular levels of permeability as a way to control the retention and flow of liquid.
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