Work

Compression behavior and in-plane permeability of 3D textiles via FEM and CFD simulation

Year: 2025

Type: article

Abstract: Permeability measurement of easily deformable porous materials saturated with liquids represents a costly and time-consuming process, usually performed with complex experimental devices. This study proposes an alternative approach for evaluating the in-plane permeability of 3D warp-knitted spacer fabrics under compression. A 3D model was reconstructed from scanned images, and its behavior was analyzed using the finite-element method. The resulting deformed shapes of the representative cell were used in computational fluid dynamics simulation to assess the permeability across a wide compression range, approaching the densification phase. The permeability was determined from Darcy’s law at reduced flow speeds, whereas higher flow speeds were analyzed using the quadratic extension (Forchheimer) of the linear regime. Finally, simulation results at various compression ratios showed good agreement with experimental measurements, thus validating the numerical approach.

Source: Textile Research Journal

DOI: 10.1177/00405175251380800

Authors: Georgian-Cristian Lupu, Aurelian Fatu, Traian Cicone, Cătălin Enescu, Alice Marinescu

Institutions: Universitatea Națională de Știință și Tehnologie Politehnica București, Centre National de la Recherche Scientifique, Institut Pprime, Université de Poitiers

Language: English

Topic: Textile materials and evaluations

Subfield: Polymers and Plastics

Field: Materials Science

Domain: Physical Sciences

Open Access status: hybrid

Estimated APC paid: $4,150

Funder: Agence Nationale de la Recherche