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首页> 外文期刊>The Journal of the Textile Institute. 1, Fibre Science and Textile Technology >Buckling analysis of plain-knitted fabric under uniaxial tension in arbitrary direction
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Buckling analysis of plain-knitted fabric under uniaxial tension in arbitrary direction

机译：任意方向单向拉伸下平纹针织物的屈曲分析

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摘要

The micro-knitting structures make knitted fabric different from woven fabric. Based on its micro-mechanical model, the buckling of knitted fabric sheet subjected to uniaxial tension in arbitrary direction is investigated. The large deformation of fabric sheet in critical configuration is considered. The accurate theory on instability for finite deformation is applied to the analysis. All the stress boundary conditions of knitted fabric sheet are satisfied. The equation to determine the buckling direction angle is derived. It is shown that there are two possible buckling modes, flexural mode and barreling mode. The buckling conditions for the two modes are obtained, respectively. The illustration shows that only the flexural mode can actually occur. It is also verified that when the tension is along wale direction the buckling direction angle will be zero, and when the tension is along course direction the knitted fabric does not buckle. All these analytical results agree well with the experimental observations.
机译：微编织结构使针织物不同于机织织物。基于其微观力学模型，研究了针织物片材在任意方向上受到单轴拉伸的屈曲。考虑到临界状态下织物片的大变形。将有限变形不稳定性的精确理论应用于分析。针织物片材的所有应力边界条件均得到满足。得出确定屈曲方向角的方程式。结果表明，存在两种可能的屈曲模式，弯曲模式和桶形模式。分别获得两种模式的屈曲条件。该图显示只有弯曲模式才能实际发生。还证实了，当张力沿着纵行方向时，屈曲方向角将为零，并且当张力沿着横行方向时，针织物不会弯曲。所有这些分析结果与实验观察结果非常吻合。

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