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首页> 外文期刊>Fibres & textiles in Eastern Europe >Prediction of Compression Properties of Single Jersey Weft-knitted Fabric by Finite Element Analysis Based on the Hyperfoam Material Model
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Prediction of Compression Properties of Single Jersey Weft-knitted Fabric by Finite Element Analysis Based on the Hyperfoam Material Model

机译：基于超泡沫材料模型的有限元分析预测单面针织纬编织物的压缩性能

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摘要

A 3-D finite element model based on the hyperfoam material model was developed in order to predict the compression behaviour of knitted fabrics in a large deformation state. The degree of compressibility of the fabric is determined by the extent of its volume reduction under external pressure. The compression properties of nine produced knitted fabrics at eight pressure values (2.04, 5.10, 10.19, 20.39, 50.97, 101.94, 152.90, and 203.87 kPa) were measured using a fabric thickness tester and results were compared with finite element results. The FEM results of fabric thickness changes (AT) and fabric compressibility (EMC) showed good agreement with experimental results, with an average error of 5 and 4.9 percent, respectively. However, the results of fabric linearity of the compression (LC) and work of compression (WC) showed fair agreement, with an average error of 24.5 and 24 percent, respectively.
机译：为了预测针织物在大变形状态下的压缩行为，建立了基于超泡沫材料模型的3-D有限元模型。织物的可压缩程度取决于其在外部压力下体积减少的程度。使用织物厚度测试仪测量九种生产的针织面料在八个压力值（2.04、5.10、10.19、20.39、50.97、101.94、152.90和203.87 kPa）下的压缩性能，并将结果与​​有限元结果进行比较。织物厚度变化（AT）和织物压缩性（EMC）的FEM结果与实验结果吻合良好，平均误差分别为5％和4.9％。然而，压缩（LC）和压缩功（WC）的织物线性结果显示出合理的一致性，平均误差分别为24.5和24％。

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