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Compression is a design limiting for composites as its much lower strength than tension. And it is still a challenge to predict the damage process for open-hole composite laminate under compression precisely Therefore, we proposed a progressive finite element model to demonstrate the failure behavior of open-hole laminates under compressive loading(OHC) for high-modulus and high-strength fiber reinforced...
Kink band is a typical phenomenon in longitudinal compression of composites. Numerical simulations considering fiber misalignment and plastic matrix with ductile damage have been built to study the formation of kink band. The matrix was simulated by using the extended Drucker-Prager constitutive model. Then random fiber strength distribution and stiffness reduction were considered to simulate the...
Torsional buckling and failure of carbon fiber/epoxy resin composite thin-walled tubes (CTWTs) were tested and analyzed, and the effects of torsional buckling on the material failure and failure loads were simulated by finite element method. In order to enhance the torsional bearing capacity of CTWTs, the buckling/failure of the tubes filled with polymer foam were further simulated by ABAQUS. Numerous...
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