Theoretical investigation of SH wave transmission in magneto-electro-elastic structure having imperfect interface using approximating method

Seema,; Singhal, Abhinav

doi:10.1007/s00339-024-07744-9

Appl. Phys. A

2024

DOI: 10.1007/s00339-024-07744-9

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Theoretical investigation of SH wave transmission in magneto-electro-elastic structure having imperfect interface using approximating method

Seema,

Abhinav Singhal

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2024

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Cited by 4 publications

References 67 publications

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Love wave propagation on nano-sized layered piezoelectric plate clamped on micropolar substrate

Murshid A K,

Mondal

2024

Mechanics of Advanced Materials and Structures

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Love wave propagation on nano-sized layered piezoelectric plate clamped on micropolar substrate

Murshid A K,

Mondal

2024

Mechanics of Advanced Materials and Structures

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In-process evaluation of layer defects and surface topography on material extruded parts through a novel point cloud functional analysis

Lafirenza,

Guerra,

Lavecchia

et al. 2024

Meas. Sci. Technol.

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Material Extrusion (MEX) is one of the most used Additive Manufacturing (AM) technologies, thanks to its appealing in various industrial fields. Despite its numerous advantages, process quality remains an issue when compared to other, more established technologies. In-process monitoring has become fundamental to meet the tight requirements of precision industries. In this work, a novel MEX monitoring methodology based on point-cloud functional analysis was tested and discussed. Using a blue-laser line profilometer integrated into a consumer 3D printer, the point cloud of each layer was obtained immediately after its completion and subsequently analysed. Functional analysis tools were employed to characterize the surface topography and assess the distribution of material and voids to detect defects. Common defective conditions in the form of excess or lack of deposited material, referred to as overfill and underfill, respectively, were induced by varying printing parameters and the specimen’s cross-section. After slicing the layer surface according to specified height thresholds, functional parameters, such as the Projected Percentage Area (PPA), void and material volume percentage, and void and material mean thickness were computed and analysed. Results indicated that the PPA values effectively depicted the overall surface conditions and were suitable for enabling corrective actions through the contour extraction of the defective regions. Meanwhile, the percentage volume and mean thickness of voids and material, referred to as functional parameters, provided more detailed insights into the morphology of the layer surface and the detected defects.

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Numerical solution of nonlinear partial differential equations using shifted Legendre collocation method

Abbassi,

Fathy,

Elbarkoki

et al. 2024

Bound Value Probl

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In life important applications are modeled mathematically by nonlinear partial differential equations. Primarily, the objective is to transform such equations into a system of algebraic equations to get their solutions. The Legendre collocation method is demonstrated by the differentiation operational matrix via shifted Legendre polynomials in such a transformation. The validity and effectiveness of the prospective method are manifested by illustrative examples, an error analysis, residual analysis, and comparison with others.

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Theoretical investigation of SH wave transmission in magneto-electro-elastic structure having imperfect interface using approximating method

Cited by 4 publications

References 67 publications

Love wave propagation on nano-sized layered piezoelectric plate clamped on micropolar substrate

Love wave propagation on nano-sized layered piezoelectric plate clamped on micropolar substrate

In-process evaluation of layer defects and surface topography on material extruded parts through a novel point cloud functional analysis

Numerical solution of nonlinear partial differential equations using shifted Legendre collocation method

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