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dc.contributor.authorLi, Weidongen_US
dc.contributor.authorNguyen-Thanh, Nhonen_US
dc.contributor.authorDu, Hejunen_US
dc.contributor.authorZhou, Kunen_US
dc.identifier.citationLi, W., Nguyen-Thanh, N., Du, H. & Zhou, K. (2023). Adaptive phase-field modeling of dynamic brittle fracture in composite materials. Composite Structures, 306, 116589-.
dc.description.abstractAn adaptive phase-field modeling approach is developed for the dynamic brittle fracture of composite materials subjected to impact loading. This approach is capable of capturing the dynamic fracture patterns in composite materials including matrix cracking, delamination between adjacent plies, and interaction between the two failure modes via the exploitation of interface and crack phase fields. The driving force for the crack evolution is derived by introducing the contributions of the longitudinal and transverse damage considering the tension–compression asymmetry. Moreover, an anisotropic crack surface density function is introduced by considering the material anisotropy induced by fibers. The computational efficiency of the dynamic fracture modeling is improved via the adaptive mesh refinement strategy within the framework of the isogeometric-meshfree approach. The Newmark implicit integration scheme is used for the temporal discretization of the phase-field governing equations. Finally, simulations of both mode-I and mixed-mode fracture, such as the dynamic branching and the three-point bending tests, are implemented for homogeneous materials and composites, which demonstrates the reliability of the developed approach.en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.relation.ispartofComposite Structuresen_US
dc.rights© 2022 Elsevier Ltd. All rights reserved.en_US
dc.subjectEngineering::Mechanical engineeringen_US
dc.titleAdaptive phase-field modeling of dynamic brittle fracture in composite materialsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.subject.keywordsDynamic Brittle Fractureen_US
dc.subject.keywordsPhase-Field Modelingen_US
dc.description.acknowledgementThe authors would like to acknowledge the financial support from Nanyang Technological University.en_US
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