On realizing specific failure initiation criteria in the phase field model

Min, Lang; Hu, Xiaofei; Yao, Weian; Bui, Tinh Quoc; Zhang, Peng

doi:10.1016/j.cma.2022.114881

Cited by 31 publications

(5 citation statements)

References 110 publications

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“…Zhang et al [64] used the interface phase field model to simulate both single material cracks and interface delamination of materials under the framework of fracture phase field theory. Composite laminates have multiple failure modes, and Min L et al [65] proposed a simple way to embed different failure criteria into the PFM. Zhang et al [66] developed a double-phase field model for complex failure in fiber-reinforced composites.…”

Section: Introductionmentioning

confidence: 99%

Strength and Failure Analysis of Fiber-Wound Composite Gas Cylinder via Numerical Simulation

Wu,

Yang,

Zhou

2024

Materials

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Based on the classical grid theory and related regulations, a structure model of a fiber-wound composite gas cylinder was designed in this paper. Based on the design results, a finite element model of a fully wound composite cylinder of an aluminum alloy inner liner with a working pressure of 35 MPa was established based on the ABAQUS software, and its stress distribution under working pressure and minimum burst pressure was analyzed. According to engineering experience, the pressure tolerance of composite cylinders can be improved by proper autofrettage pressure before working pressure, so the influence of autofrettage pressure was analyzed in this paper. The optimum autofrettage pressure was selected by setting the autofrettage gradient, and damage analysis was carried out on the cylinder with nominal working pressure of 35 MPa based on the Hashin failure criterion. The results show the initial damage sequence: matrix stretching occurs before the fiber stretching, and the damage generally starts from the spiral-wound layer. The tensile damage first appears in the transition section between the head and the barrel body, and the damage of the spiral-wound layer develops from the inner layer of the wound layer to the outer layer, while the damage of the circumferentially wound layer develops from the outer layer to the inner layer.

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Section: Introductionmentioning

confidence: 99%

Strength and Failure Analysis of Fiber-Wound Composite Gas Cylinder via Numerical Simulation

Wu,

Yang,

Zhou

2024

Materials

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“…Hu et al 22 established a new meso‐scale phase filed method to study the whole structural concrete cover cracking induced by corrosion of multiple reinforcements. Min et al 23 presented a new phase field model that different failure criteria can be embedded in a straightforward manner. In addition, the developed model has been implemented into ABAQUS through using the user‐defined element (UEL) subroutine.…”

Section: Introductionmentioning

confidence: 99%

Buckling analysis of composite plates surface bonded with graphene‐reinforced piezoelectric actuators

Jin,

Leng,

Yang

2023

Polymer Composites

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Graphene is a highly conductive and exceptional material that has shown potential for significantly improving the piezoelectric and mechanical properties of piezoelectric matrix. This paper examines the stability of composite plates surface bonded with graphene‐reinforced composite piezoelectric (GRCP) actuators. However, the significant differences in material characteristics at the interfaces will pose some challenges in analyzing the buckling behavior of piezoelectric composite plates by means of existing higher‐order shear deformation theories. To address this issue, a refined plate theory is developed for the buckling analysis of piezoelectric composite plates. The developed theory includes a new interlaminar shear stress field that precisely describes the distribution of interlaminar shear stresses, which differs from earlier higher‐order theories. It should be emphasized that the finite element formulation can be simplified by removing the second‐order derivatives of in‐plane displacement parameters from interlaminar shear stresses. In terms of the developed theory, a four‐node C0 quadrilateral plate element is introduced to examine the buckling behavior of piezoelectric composite plates. Furthermore, the modified interlaminar shear stress field is absorbed into the strain energy, significantly improving the ability to predict the critical loads of composite plates with GRCP actuators. The refined plate model is evaluated through the utilization of three‐dimensional (3D) elasticity solutions and results obtained from other associated theories. Numerical results demonstrate that the refined plate model is capable of producing favorable results, and a comprehensive examination is conducted to analyze the effects of significant parameters on the buckling behaviors of piezoelectric composite plates. This study sets a solid foundation for future research and development on the application of graphene‐reinforced composite piezoelectric actuators in composite structures.Highlights Buckling analysis of composite plates with GRCP actuators is conducted. A refined plate theory with modified interlaminar shear stresses is developed. The ability to predict critical loads can be significantly improved. The finite element formulation can be simplified based on the proposed model. Comprehensive parametric studies on buckling behavior are caried out.

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“…In [7], the effective length scale parameter l(ξ, θ) have been defined in terms of crack orientation θ and fiber orientation ξ for three cases, namely, (a) transversely isotropic, (b) orthotropic, and (c) cubic anisotropy. The stress state-induced anisotropy at the crack tip is captured using a structural tensor to give the direction to the crack [8]. As the material's weak plane is the possible fracture direction, this tensor considers the crack angle in a weak plane.…”

Section: Introductionmentioning

confidence: 99%

Modeling Anisotropic Fracture In Quasi-Brittle Materials By A Phase Field Approach

Rajagopal,

2023

Proceedings of the 11th International Conference on Fracture Mechanics of Concrete and Concrete Structures

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The main aim of the current study is to explore direction-dependent fracture initiation and propagation within an arbitrary anisotropic solid. In particular, the specific objective is to develop an anisotropic cohesive phase-field (PF) fracture model. The anisotropy in fracture due to mixedmode conditions. A power law-inspired fracture criterion is adopted and it captures the dominating mode behavior of fracture. A volumetric-deviatoric energy split has been implemented to capture the impacts of mixed modes. The performance of the model is demonstrated through numerical examples to predict anisotropic fracture in quasi brittle materials such as rock and wood under mixed mode loading conditions. The numerical results are validated by comparing with experimental results available in litreature.

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On realizing specific failure initiation criteria in the phase field model

Cited by 31 publications

References 110 publications

Strength and Failure Analysis of Fiber-Wound Composite Gas Cylinder via Numerical Simulation

Strength and Failure Analysis of Fiber-Wound Composite Gas Cylinder via Numerical Simulation

Buckling analysis of composite plates surface bonded with graphene‐reinforced piezoelectric actuators

Modeling Anisotropic Fracture In Quasi-Brittle Materials By A Phase Field Approach

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