Structures Simulation of Curved Sensor based on PVDF for Fetal Heart Rate Monitoring

Nassit, Mariame; Berbia, Hassan

doi:10.1109/aiccsa.2018.8612800

Cited by 2 publications

(2 citation statements)

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“…Many publications have focused on modeling lightweight structures [1][2][3]. in spherical shells are used in civil engineering and a variety of engineering applications such as submarine hulls, aircraft, smart devices, and health monitoring systems [4][5][6][7]. It is well known that the spherical shells can be used in complex environmental conditions and can be exposed to a variety of dynamic excitations inducing excessive vibrations [8].…”

Section: Introductionmentioning

confidence: 99%

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A New Analytical Method for Spherical Thin Shells’ Axisymmetric Vibrations

Nassit

Harif

Berbia

et al. 2020

Mathematical Problems in Engineering

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In order to improve the spherical thin shells’ vibrations analysis, we introduce a new analytical method. In this method, we take into consideration the terms of the inertial couples in the stress couples’ differential equations of motion. These inertial couples are omitted in the theories provided by Naghdi–Kalnins and Kunieda. The results show that the current method can solve the axisymmetric vibrations’ equations of elastic thin spherical shells. In this paper, we focus on verifying the current method, particularly for free vibrations with free edge and clamped edge boundary conditions. To check the validity and accuracy of the current analytical method, the natural frequencies determined by this method are compared with those available in the literature and those obtained by a finite element calculation.

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Section: Introductionmentioning

confidence: 99%

“…Hence, a survey of the literature depicts the existence of many studies on free vibrations analysis [10][11][12][13][14]. Besides, the research for curved shells, especially for cylindrical and spherical shells, have attracted much attention recently [7,[15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%