Exact(2)
The concept was successfully demonstrated in different laminates with high strength and high modulus carbon and S-glass epoxy UD prepregs.
Hence, the current framework can potentially be used as a computational tool for efficiently predicting the interlaminar stresses in different laminates subjected to thermo-mechanical loading, which can assist in determining interlaminar regions susceptible to free edge delamination.
Similar(58)
These observations were interpreted by the variation in the load-bearing capacity of RGO in different laminate orientations, the dislocation annihilation at the RGO/Al interface, and a crack deflection mechanism provided by the robust RGO/Al interface that toughened the composites.
The volume ratio of both material constituents is kept constant, so that the residual stresses in the different laminates remain unchanged.
Then, the numerical model was used for calculating the spring-in angle of lots of different laminates in order to evaluate the influence of the thickness, the corner radius and the layup sequence on the laminate deformation.
To this scope, long-term ageing tests were performed on two different laminates in critical environmental conditions.
In order to compare different laminates and their effects to the fatigue behavior, we conduct three simulations and compute the mean accumulated plastic strain at the end of one cycle.
The values are compiled in Table 4. Table 4 Number of failure calculated by the accumulated plastic strain in each cycle for three different laminates Lam.
The predicted fatigue life of the simulation for different laminates is in good agreement with the experimental results.
As an application, reduction of Young's modulus and change in Poisson's ratio for different laminates are evaluated and compared with available experimental and predicted results.
In this work, a high-resolution numerical discretization based on the use of in-plane-out-of-plane separated representations within the Proper Generalized Decomposition – PGD – framework is performed in different composites laminates for determining the effect of ply-thickness on the laminate stiffness.
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