期刊
TEXTILE RESEARCH JOURNAL
卷 73, 期 12, 页码 1091-1099出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/004051750307301211
关键词
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This paper reports the development of a new particle model,to simulate fabric mechanical behavior. A particle model of square meshes, which is close, to the orthotropic structure of a woven fabric, is used to represent the fabric. In addition to the separation, bending, and shearing springs, a twist spring is introduced into the particle model to simulate the tension/compression, bending, shearing, and twisting behavior of the fabric. The forces and torques acting on the springs are derived according to fundamental elasticity mechanical laws. Experiments of the heart-loop test involving Various fabric behaviors are conducted to validate the model. Comparisons between heart loops generated by the model and corresponding actual experimental results verify that the model is able to simulate fabric mechanical behavior with satisfactory accuracy. The anisotropy of woven fabric is shown by different heart loops formed by specimens in different directions, and is illustrated by the distributions of various inner stresses.
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