Propagation of Love-type wave in functionally graded pre-stressed magneto-visco-elastic fiber-reinforced composite structure

Singh, Pooja; Chattopadhyay, Amares; Singh, Abhishek Kumar

doi:10.1080/17455030.2019.1635291

Cited by 9 publications

(4 citation statements)

References 28 publications

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“…where A and B represent the amplitudes of the P wave and SV waves, respectively, σ is the wavenumber vector, and r is the unit vector in the direction of wave propagation. Substituting Equation (24) into Equation (23) further simplifies this equation.…”

Section: Dispersive Equationmentioning

confidence: 99%

“…In 1996, Roychoudhuri et al [21] considered the modulation effect of external magnetic fields and studied the propagation of elastic waves in electromagnetic and thermal elastic half-spaces. In 1990, Chattopadhyay et al [22,23] investigated the reflection and transmission of magnetoelastic transverse waves in self-enhancing media. Since the late 20th century, the mechanics of electromagnetic elastic solids have been studied more widely and extensively.…”

Section: Introductionmentioning

confidence: 99%

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Reflection of Elastic Waves in Dipolar Gradient Half-Space under the Control of External Magnetic Field

Pei,

Wu,

Wang

et al. 2023

Applied Sciences

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This paper investigated the reflection of plane waves at the interface of dipolar gradient elastic solids under the control of an external magnetic field. This study focused on the increasing influence of the microstructural effect as the incident wavelength approaches the characteristic length of the microstructure or at higher frequencies. Initially, the dispersion equation for the propagation of elastic waves was derived from the dipole strain gradient theory and Maxwell’s electromagnetic theory. Subsequently, the amplitude ratios of various reflected waves to incident P-waves and incident SV-waves were calculated based on the interface conditions. Finally, the numerical results were used to discuss the impact of the external magnetic field and microstructural characteristic length on the propagation of the reflected wave. It was observed that the microstructural effect generated new wave modes and introduced dispersion characteristics into the elastic waves. Conversely, the external magnetic field primarily influences the amplitude of the elastic wave propagation via the Lorentz force without creating new wave modes or affecting the dispersion properties of the elastic wave in the dipolar gradient elastic solid.

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Section: Dispersive Equationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Reflection of Elastic Waves in Dipolar Gradient Half-Space under the Control of External Magnetic Field

Pei,

Wu,

Wang

et al. 2023

Applied Sciences

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show abstract

“…Regarding the design against dynamic loadings and the nondestructive characterization using ultrasonic waves, it is important to understand the wave propagation behavior in fiber-reinforced composites. Therefore, numerous efforts have been devoted [18][19][20][21][22][23][24][25][26][27][28]. Different types of elastic waves were discussed, such as shear and longitudinal waves [18,19,21], Lamb waves [20,26,28], Love waves [23], non-axisymmetric waves [13], etc; various types of composites with unidirectional fibers [18,19], randomly oriented fibers [20], cylindrical fibers [21], nanoinclusions [25], were investigated.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, numerous efforts have been devoted [18][19][20][21][22][23][24][25][26][27][28]. Different types of elastic waves were discussed, such as shear and longitudinal waves [18,19,21], Lamb waves [20,26,28], Love waves [23], non-axisymmetric waves [13], etc; various types of composites with unidirectional fibers [18,19], randomly oriented fibers [20], cylindrical fibers [21], nanoinclusions [25], were investigated. The effects of discontinuities and damages on the wave-converting propagation were also discussed [24,27].…”

Section: Introductionmentioning

confidence: 99%

Fiber-reinforced composite metamaterials for mode conversion of elastic waves

Yang¹,

Chai²,

Li³

2021

J. Phys. D: Appl. Phys.

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Metamaterials are a class of man-made composites that can realize extraordinary wave phenomena and can be designed through exploiting anisotropy of elastic media. Anisotropy, as is known, is also an inherent characteristic of classical composites. Therefore, there is a great potential that the anisotropy of classical composites can be utilized to achieve extraordinary manipulation of elastic waves. To this end, we propose a concept of fiber-reinforced composite metamaterials, which attains extraordinary wave properties with rationally designed ply angles. Specifically, we consider the phenomenon of transmodal Fabry-Perot interference. This phenomenon, which can transfer wave energy between longitudinal and transverse modes solely and maximally, requires that the interferometer should attain unique anisotropy. Based on the transmodal interference theory and the classical lamination theory, the composite metamaterials are designed and validated numerically and experimentally. We note that the base material properties of each layer can significantly affect the metamaterial design, and an anisotropy index is introduced to investigate the effects. Our work broadens the applications of classical composites and offers a new way to design metamaterials.

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Lamb waves propagating in functionally graded 1-D quasi-crystal couple stress nanoplates

Wang

Zhang

et al. 2022

Acta Mech

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Propagation of Love-type wave in functionally graded pre-stressed magneto-visco-elastic fiber-reinforced composite structure

Cited by 9 publications

References 28 publications

Reflection of Elastic Waves in Dipolar Gradient Half-Space under the Control of External Magnetic Field

Reflection of Elastic Waves in Dipolar Gradient Half-Space under the Control of External Magnetic Field

Fiber-reinforced composite metamaterials for mode conversion of elastic waves

Lamb waves propagating in functionally graded 1-D quasi-crystal couple stress nanoplates

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