Simulation of Pulling through a Round Hole of Woven and Knitted Yarn Systems
Keywords:materials science, textile, punching, geometrical behaviour, mathematical simulation.
The behaviour of knitted and woven cotton textile materials during pulling through a circular hole was analysed. Two
mathematical simulation models have been formed for simulation of this complicated process. The analysis of the
obtained results showed the sufficient precision of shortened epicycloids, Cassini ovals as well as Buto lemniscate
mathematical models for modeling the process of knitted material deformation at different stages of the experiment. This
notwithstanding, only the shortened epicycloids were sufficient precise for mathematical description of the geometrical
shapes of woven fabrics specimens formed at different stages of experiment. The changes in the parameters of
simulation models were also investigated.
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