Numerical and experimental vibration analysis of different types of adhesively bonded joints

Yaman, Mustafa; Şansveren, Mehmet Fatih

doi:10.1016/j.istruc.2021.07.071

Cited by 13 publications

(3 citation statements)

References 25 publications

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“…, and [𝔛 2 ] and [𝔛 3 ] are defined in [30]. The following equation is obtained by representing the {𝜖} and {𝜏} in the final stage as nodal degrees of freedom.…”

Section: Vector Of Transverse Shear Strain 𝜏 = [𝜏 𝑥𝑧 𝜏 𝑦𝑧 ]mentioning

confidence: 99%

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Improving the Dynamic Performance of the Crank-Rocker Mechanism Using Composite Links

El-Elamy

2023

ERJ. Engineering Research Journal

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In practice, the transmission angle is a crucial factor for reducing the required driving power and improving the dynamic performance of the mechanisms and machines. The vibration of elastic links is unavoidable in mechanisms running at high speeds. Thus, optimum link lengths decrease driving power since they ensure optimal transmission angles. In addition, joints made of hybrid and nonhybrid composites are lightweight and require less driving torque. Additionally, composite links can be used in place of metal links to alleviate wear and corrosion issues. Through the use of composite links, the dynamic performance of the mechanism and the machine will be improved as a result of the higher damping factor, stiffness, and flexural modulus values of the composite materials. Accordingly, this research considers the effect of transmission angle, four case types of linkages proportions, and stacking sequences on the natural frequencies and instability thresholds of the mechanisms. Therefore, the finite element method (FEM) was used to efficiently compute the Eigen-nature for the mechanisms with composite links. The experimental tests are also conducted using the frequency response function method (FRF). Based on the results, the CR mechanism performs best at 90° of the transmission angle, as the average natural frequency of this angle decreases by 11.19 % and 26.17 % compared to the maximum and minimum transmission angles. Overall, the measuring and theoretical fundamental response frequencies of mechanisms are in good agreement.

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“…, and [𝔛 2 ] and [𝔛 3 ] are defined in [30]. The following equation is obtained by representing the {𝜖} and {𝜏} in the final stage as nodal degrees of freedom.…”

Section: Vector Of Transverse Shear Strain 𝜏 = [𝜏 𝑥𝑧 𝜏 𝑦𝑧 ]mentioning

confidence: 99%

“…By solving Eq. (49) using MATLAB software, we can obtain the eigenvalue and eigenvector [30]. Glass fibers and carbon fibers were used in the fabrication of the prototype of the composite linkage, along with polyester as the matrix for the composite along with catalyst as the reinforcing element.…”

Section: Figure 4-finite Element Model Of Four Barmentioning

confidence: 99%

Improving the Dynamic Performance of the Crank-Rocker Mechanism Using Composite Links

El-Elamy

2023

ERJ. Engineering Research Journal

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“…The stiffness of adhesive joints has been studied for static loads, dynamic loads, and impact. Yaman et al [8] studied the effect of adhesive thickness, overlap length, number of layers, and orientation of adhesive fibers on the natural frequency and damping of twoand three-part adhesive joints. They compared the FEM results with the experimental analysis data.…”

Section: Introductionmentioning

confidence: 99%

Topological Optimization of Interconnection of Multilayer Composite Structures

et al. 2023

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This study focuses on the topological optimization of adhesive overlap joints for structures subjected to longitudinal mechanical loads. The aim is to reduce peak stresses at the joint interface of the elements. Peak stresses in such joints can lead to failure of both the joint and the structure itself. A new approach based on Rational Approximation of Material Properties (RAMP) and the Finite Element Method (FEM) has been proposed to minimize peak stresses in multi-layer composite joints. Using this approach, the Mises peak stresses of the optimal structural joint have been significantly reduced by up to 50% under mechanical loading in the longitudinal direction. The paper includes numerical examples of different types of structural element connections.

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Effects of Combined Delamination and Crack Damage on Natural Frequency and Strain Energy Release Rate in Adhesively Bonded Joints Under Thermal Condition: FEA and Experimental Validation

Akkasali,

Biswas

2024

J. Vib. Eng. Technol.

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Numerical and experimental vibration analysis of different types of adhesively bonded joints

Cited by 13 publications

References 25 publications

Improving the Dynamic Performance of the Crank-Rocker Mechanism Using Composite Links

Improving the Dynamic Performance of the Crank-Rocker Mechanism Using Composite Links

Topological Optimization of Interconnection of Multilayer Composite Structures

Effects of Combined Delamination and Crack Damage on Natural Frequency and Strain Energy Release Rate in Adhesively Bonded Joints Under Thermal Condition: FEA and Experimental Validation

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