Three Dimensional Effective Elastic Constants For Thick Laminates

This paper presents an analytical micromechanics model for predicting the three dimensional effective elastic properties of multidirectional composite laminates with ply wrinkle defects.

Three dimensional effective elastic constants for thick laminates.

Three dimensional effective elastic constants for thick laminates sun c. Two damage parameters associated with tensile and shear damage are formulated as functions of ply crack density using local stress fields that satisfy the equilibrium equations. Equivalent homogeneous anisotropic solids are used to represent thick laminates con sisting of large numbers of a repeating sublaminate. 1988jcoma 22 629s full text sources.

Three dimensional effective moduli are used in the analysis of thick laminates consisting of a large number of identical sublaminates. Three dimensional effective elastic constants for thick laminates. In contrast with finite element analysis effective elastic moduli estimated by this method are accurate. The effective elastic moduli of glass fibre wound tube with lining are calculated.

7 a global local third order hermitian displacement field with damaged interfaces and transverse extensibility. An analytical three dimensional effective elastic constant of transversely isotropic plates that include ply cracks is proposed using a continuum damage mechanics approach. The typical sublaminate is used for studying its load deformation behavior from which the effective elastic constants are derived from. A global local method is developed in which the effective modulus theory is used to model the thick laminate except for the local region where accurate stresses are desired.

The typical sublaminate is used for studying its load deformation behavior from which the effective elastic constants are derived from the constituent lamina properties. Three dimensional modelling of elastic bonding in composite laminates using layerwise differential quadrature international journal of solids and structures vol. Journal of composite materials. A representative volume element rve was chosen for analysis and the geometry of wavy plies in the wrinkled laminates was described by sinusoidal functions.