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|Title:||Computational simulation of fabric armour subjected to ballistic impacts|
|Authors:||Tan, V.B.C. |
|Source:||Tan, V.B.C., Ching, T.W. (2006-11). Computational simulation of fabric armour subjected to ballistic impacts. International Journal of Impact Engineering 32 (11) : 1737-1751. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijimpeng.2005.05.006|
|Abstract:||In computational simulations of ballistic impacts on woven polymeric fabric armour, specialized fabric models are normally used. Attempts have also been made to use commercial finite element packages for such purposes. However, such attempts normally result in either overly simplified models or prohibitively detailed finite element discretization of the fabric to capture the unique properties of woven fabric. This paper presents an FE model of woven fabric that reflects the orthotropic properties of the fabric, the viscoelastic nature of the yarns, the crimping of the yarns, the sliding contact between yarns and yarn breakage using an assembly of viscoelastic bar elements. Excellent agreement between simulation and ballistic test data is obtained in terms of the deformation of the fabric during impact, residual velocity of the projectile and the energy absorbed by the fabric. This is achieved despite the modest number of degrees of freedom employed by the model. © 2005 Elsevier Ltd. All rights reserved.|
|Source Title:||International Journal of Impact Engineering|
|Appears in Collections:||Staff Publications|
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