The effect of basic fabric parameters, such as weave density and yarn twist, on the shear vibration of a fabric is stuided theoretically and experimentally. It is shown that the proposed theoretical damping ration, based on inter-thread friction between warp and weft threads at the theory. The damping ratio of shear vibration increases with the weave density in the fabric; however, the effect of yarn twist is larger. There exists an optimum value for both weave density and yarn twist to give the smallest value to the damping ratio, k, at which the shear vibration continues for the longest time.
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