Geometrically nonlinear analysis of matrix cracking and delamination in composites with floating node method

Geometrically nonlinear analysis of matrix cracking and delamination in composites with floating node method

Zhi, Jie (National University of Singapore)
Chen, B. Y. (TU Delft Aerospace Structures & Computational Mechanics)
Tay, Tong Earn (National University of Singapore)

2018

In this paper, the recently-developed floating node method is extended for damage analysis of laminated composites with large deformations. Strong discontinuities including interfacial delamination and matrix cracks are explicitly represented by geometrically nonlinear kinematics. Interactions between these two kinds of failure patterns are enabled through enriched elements equipped with floating nodes. A cohesive zone model is utilized for the damage process zone. A general implicit procedure with user-defined elements is developed for both quasi-static and dynamic analysis. The performance of this formulation is verified with two benchmark simulations, involving buckling-induced delamination and low-velocity impact damage. The results presented show good quantitative and qualitative agreements with results from literature.

Buckling
Discrete crack model
Large deformation
Low velocity impact

http://resolver.tudelft.nl/uuid:d1aa668a-ca00-4769-9730-bfdfc05065cd

https://doi.org/10.1007/s00466-018-1591-8

2021-12-17

0178-7675

Computational Mechanics, 1-17

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Institutional Repository

journal article

© 2018 Jie Zhi, B. Y. Chen, Tong Earn Tay