Estimation Method of Damping Properties for Woven Fabric Composites

An estimation method of damping properties for woven fabric composite materials has been proposed. To obtain the material damping of woven fabric composites, the maximum strain energy and kinetic strain energy are calculated by finite element method based on the strain energy method. The proposed method has been applied to plain woven fabric composites plates and compared with experimental results to evaluate the validity of the method. It is recognized that the computational results have agreed well with the experimental ones. Next, the effect of the angle of fiber bundles on material damping properties of plain woven fabric composites has been investigated by proposed method. From these points of view, the proposed simulation method is very useful for the estimation of material damping properties.