Mixed-mode translaminar fracture of woven composites using a heterogeneous spring network

摘要: Abstract A statistical approach is taken to model the complex fracture process involved in mode-I and mixed-mode translaminar growth of a macroscopic crack representative woven composite material. two dimensional rectangular elastic spring network with nearest next-nearest neighbour interactions was used discretise typical specimen. An arrangement rigid truss elements introduced at top bottom edges displacement boundary conditions realistically. Heterogeneous properties composites were incorporated by defining four types regions composed different combinations hard soft bonds. Among parameters, ratio between modulus bonds found have minimal effect on as well response. However, mean failure threshold strains shown be critical simulating nucleation damage multiple sites around initial plane resulting large zones higher dissipation energy during that materials reported existing literature.