2020
DOI: 10.1016/j.compstruct.2020.112061
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Closed-form formulae for prediction of homogenized ply-properties and laminate thermo-elastic constants in symmetric laminates containing ply cracks in multiple orientations

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Cited by 14 publications
(13 citation statements)
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“…It also shows that the current results are based on very refined meshes and are thus, completely converged. A very interesting point in Figure 3 is that the ply thermal expansion coefficients remain constant while it is shown in several works (Ahmadi et al, 2020;Hajikazemi et al, 2020a;Loukil et al, 2013a) that the laminate thermal expansion coefficients can be degraded largely in the presence of damage modes. It is a natural result of the Levin's theorem (Rosen and Hashin, 1970) where he elegantly provides a means for relating composite thermal expansion coefficient to composite elastic moduli.…”
Section: Stiffness Reduction Of Damaged Laminamentioning
confidence: 93%
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“…It also shows that the current results are based on very refined meshes and are thus, completely converged. A very interesting point in Figure 3 is that the ply thermal expansion coefficients remain constant while it is shown in several works (Ahmadi et al, 2020;Hajikazemi et al, 2020a;Loukil et al, 2013a) that the laminate thermal expansion coefficients can be degraded largely in the presence of damage modes. It is a natural result of the Levin's theorem (Rosen and Hashin, 1970) where he elegantly provides a means for relating composite thermal expansion coefficient to composite elastic moduli.…”
Section: Stiffness Reduction Of Damaged Laminamentioning
confidence: 93%
“…Furthermore, a mesh convergence study was carried out before calculating the final results of the damaged RVEs to ensure the accuracy of the computed results. It should be mentioned that in order to model the ply crack and delamination (Figure 1(a) and (b)), the seam crack (Ahmadi et al, 2020;Hajikazemi et al, 2020a) option in Abaqus (Manual, 2020) is utilized. For the RVEs with both ply crack and delamination (Figure 1(c)) the seam cracks are used for the delamination damages and the ply cracks are modeled using an infinity small cut in the RVE.…”
Section: Materials Properties and Mesh Detailsmentioning
confidence: 99%
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“…One of the most common techniques is the homogenization of the composite lay-up in the FE models. The homogenization method has been developed for different scales from micro-scale (fibre/matrix level) [1,2] to macroscale (laminate-level) [3,4].…”
Section: Introductionmentioning
confidence: 99%