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|Title:||Analytical and finite element modeling of elastic behavior of plain-weft knitted fabric reinforced composites|
Finite Element Analysis
|Citation:||Ramakrishna, S. (1998). Analytical and finite element modeling of elastic behavior of plain-weft knitted fabric reinforced composites. Key Engineering Materials 137 : 71-78. ScholarBank@NUS Repository.|
|Abstract:||This paper presents elastic moduli of plain-weft knitted fabric composites obtained from finite element analysis and analytical calculations. For micro-mechanical analyses, a unit cell, enclosing the characteristic periodic repeat pattern in the knitted fabric, is isolated and modeled. Pseudo three-dimensional finite element model is constructed using laminated shell elements. Composite elastic moduli are estimated for plane-stress and plane-strain conditions. Further, stiffness and compliance averaging methods are used to determine the upper and lower limits of composite stiffness. The models are explicitly based on the properties of fiber and matrix materials and orientation of yarns. Results obtained from the models are compared with experimental values. © 1998 Trans Tech Publications.|
|Source Title:||Key Engineering Materials|
|Appears in Collections:||Staff Publications|
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