Vibration and buckling characteristics of cracked natural fiber reinforced composite plates with corner point-supports

Xu, Chi; Rong, Dalun; Zhou, Zhenhuan; Deng, Zichen; Lim, C.W.

doi:10.1016/j.engstruct.2020.110614

Cited by 30 publications

(6 citation statements)

References 45 publications

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“…The buckling characteristics of cracked natural fiber-reinforced composite plates with corner pointsupports have been studied and observed that a plate is more prone to causing buckling failure with an internal crack compared to a plate with a surface crack [117]. The critical buckling loads decrease with increasing crack length and finally, hygrothermal aging influences significantly the buckling of cracked natural fiber-reinforced composite plates [117].…”

Section: Micro-bucklingmentioning

confidence: 99%

Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

Kumar

Tevatia

Dixit³

2022

Materialwissenschaft Werkst

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Natural fibers are capable substitutes to conventional synthetic fibers, primarily because of their economic and environmental advantages, as well as they find widespread applications in textile, construction, and non-load-bearing applications in the case of automotive and aircraft industries. This paper presents a comprehensive review of natural fiber-reinforced composites, focusing on their failure behavior, failure modelling techniques, and associated theories. Finite element modelling is widely applied in the damage modelling of natural fiber as well as natural fiber-based green composites. Formation of representative volume elements in conjunction with homogenization emerges to be the common and most effective multi-scale technique used for determining the effect of microstructures on the thermal and mechanical properties of the natural fiber-reinforced composite. To provide a better understanding of the insight of damage aspects of natural fiber composites an up-to-date review catering to various aspects ranging from its manufacturing techniques, failure processes and mechanisms, finite element modelling techniques, and mechanical performance is very much required. This review aims to address the above-stated issues, challenges, and details of achievements made with them.

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Section: Micro-bucklingmentioning

confidence: 99%

Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

Kumar

Tevatia

Dixit³

2022

Materialwissenschaft Werkst

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“…The effect of the material properties of natural-fiber-reinforced composite considering the influence of moisture absorption and hygrothermal aging can be expressed as [ 26 , 27 ]:

where E 1 , E 2 , G 12 , G 13 , G 23 , and ν 12 , ν 21 are the Young’s moduli, shear moduli, and Poisson’s ratio, respectively, c = cos θ , s = sin θ and θ is the layer angle, γ s and γ l are two important coefficients describing the damage evolution induced by moisture absorption and hygrothermal aging and their expressions are

and

, v f is the fiber content, η is a dimensionless constant which can be determined by fitting the experiential date, D is a material parameter which governing the speed of energy dissipation, G is the initial shear modulus of the composites, t is the aging time (in h for hours), T is a material index which can be determined by fitting the empirical data, and β s , β l , and χ s are three constants that can be obtained by three times multinomial fittings of the experimental results. These parameters are related to the experimental conditions (temperature, humidity, etc.).…”

Section: Model Of Imperfect Nfrc Cylindrical Shellsmentioning

confidence: 99%

“…Wang and Wang [ 26 ] proposed a mechanical model for NFRC under hydrothermal loading and obtained the closed-form solutions for the buckling load and natural frequency of simply supported NFRC plates. Xu et al [ 27 ] performed the free vibration and buckling analysis of a partially or internally cracked NFRC plate with corner-point supports by using the symplectic method. Zhang et al [ 28 ] investigated the buckling of NFRC cylindrical shells based on Reissner’s shell theory and the symplectic method.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Stability of Natural-Fiber-Reinforced Composite Cylindrical Shells with Initial Geometric Imperfection Considering Moisture Absorption and Hygrothermal Aging

2022

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In this paper, the nonlinear stability of a natural-fiber-reinforced composite cylindrical shell with initial geometric imperfection is investigated. The nonlinear governing equations are established by high-order shear deformation theory. The load-edge shortening curves for different imperfection amplitudes are obtained by the Galerkin method. Several numerical examples are presented to verify the accuracy of the proposed method and to investigate the influence of initial geometric imperfection, moisture absorption, and hygrothermal aging on the post-buckling behavior of natural-fiber-reinforced composite cylindrical shells.

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“…Stahl and Keer [44] used the Fredholm integral equation of the second kind to investigate the natural frequency of the plate containing a centrally located internal crack and a side crack. Recently Xu et al [49] have established an accurate and efficient solution method for free vibration and buckling of cracked NFRC rectangular thin plate using a symplectic approach and the line spring model. In their work, they concluded that both length and crack location are important factors that affect the vibration response and hygrothermal ageing of NFRC plates.…”

Section: Introductionmentioning

confidence: 99%

A Micro-Structure Dependent Buckling Analysis of Partially-Cracked Generally Orthotropic Plate under Thermal Domain

Gupta¹,

null²,

Jain³

2023

AAMM

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In this work, a non-classical analytical approach for buckling analysis of partially cracked generally orthotropic plate is proposed under the thermal domain. The derivation for the governing equation is based on the non-classical approach using Kirchhoff's thin plate theory and the modified couple stress theory. The effect of fibre orientation on critical buckling temperature is incorporated by considering the coefficients of mutual influence. Line spring model is applied with some modifications to formulate all the crack terms while the thermal effects are introduced in form of thermal in-plane moments and forces. The final governing equation is solved using Galerkin's method and the relation for critical buckling temperature as affected by fibre orientation is obtained. The variation of critical buckling temperature as affected by fibre orientation for different values of crack length, crack location and length scale parameter is presented. Also, the effect of fibre orientation on fundamental frequency under the thermal domain is analysed.

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Vibration and buckling characteristics of cracked natural fiber reinforced composite plates with corner point-supports

Cited by 30 publications

References 45 publications

Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

Nonlinear Stability of Natural-Fiber-Reinforced Composite Cylindrical Shells with Initial Geometric Imperfection Considering Moisture Absorption and Hygrothermal Aging

A Micro-Structure Dependent Buckling Analysis of Partially-Cracked Generally Orthotropic Plate under Thermal Domain

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