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Explicit Multiscale Modelling of Impact Damage on Laminated Composites – Part II: Multiscale Analyses (CROSBI ID 225987)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ivančević, Darko ; Smojver, Ivica Explicit Multiscale Modelling of Impact Damage on Laminated Composites – Part II: Multiscale Analyses // Composite structures, 145 (2016), 259-268. doi: 10.1016/j.compstruct.2016.02.049

Podaci o odgovornosti

Ivančević, Darko ; Smojver, Ivica

engleski

Explicit Multiscale Modelling of Impact Damage on Laminated Composites – Part II: Multiscale Analyses

This work describes a multiscale impact damage prediction methodology for laminated composite structures which is based on the HFGMC micromechanical model and the MMCDM damage formulation. The numerical approach is intended for application within explicit Finite Element analyses and has been employed for modelling of high-velocity impact damage in laminated composite structures. Structural-scale applications and the multiscale framework of the method are presented in this paper whereas introduction and validation of the methodology have been presented in Part I of the paper. By applying the described method, the micromechanical model calculates the local stress/strain fields within the unidirectional composite material, whereas the structural-scale computations have been performed employing Abaqus/Explicit. The Mixed Mode Continuum Damage Mechanics (MMCDM) theory has been utilised as to model the damage and failure modes of the composite material at the micromechanical level. As demonstrated in the Part I paper, the HFGMC and MMCDM model enable modelling of the microdamage nonlinearities at in-plane shear and transverse compressive loading of the composite plies. The micromechanical damage modelling approach has been employed at high-velocity soft-body impact on CFRP and GFRP composite plates in this work. Results of the multiscale damage model have been validated using available experimental data and by comparison with the numerical results obtained using the commonly used ply-level failure criteria and damage models.

multiscale modelling ; structural composites ; impact behaviour ; damage mechanics

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Podaci o izdanju

145

2016.

259-268

objavljeno

0263-8223

10.1016/j.compstruct.2016.02.049

Povezanost rada

Strojarstvo, Zrakoplovstvo, raketna i svemirska tehnika

Poveznice
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