Optimal Sensor Placement in Composite Circular Cylindrical Shells for Structural Health Monitoring

Ručevskis, Sandris; Kovaļovs, Andrejs; Chate, Andris

doi:10.1088/1742-6596/2423/1/012021

Cited by 6 publications

(5 citation statements)

References 26 publications

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“…2b). Before starting numerical calculations, the study of FE mesh convergence was carried out [24]. The physical and mechanical properties of plywood in the FE model were as follows: modulus of elasticity E = 17 GPa, Poisson's ratio ν = 0.3 and density ρ = 810 kg/m 3 .…”

Section: Methodsmentioning

confidence: 99%

The effect of manufacture process on material properties of laminated composite cylinders using non-destructive technique

Kovalovs,

Chate,

Kulakov

et al. 2024

MATEC Web Conf.

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This paper presents a comparative investigation of the effect of hand lay-up to manufacture of composite structure on the elastic constants of composite cylindrical shells. Non-destructive technique for detection of elastic constants in laminated composite cylinders were applied. This technique based on numerical-experimental method that included experimental testing and numerical modelling. Experimental testing includes determination of natural frequencies in composite cylinders fixed at the ends. Composite construction fixed by upper end on the special test bench to realize clamped-free boundary conditions. 48 piezo sensors were glued on the outer surface of composite shells to measure strains during testing. Data received during experiments were converted in modal parameters using ARTEMIS software. By minimizing the error functional between the numerical and experimental data of the natural frequencies, the properties of laminated composite materials were obtained. It can be seen that elastic constants of the five composite shells have insignificant differences in values and be successfully applied for numerical calculation in further.

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Section: Methodsmentioning

confidence: 99%

The effect of manufacture process on material properties of laminated composite cylinders using non-destructive technique

Kovalovs,

Chate,

Kulakov

et al. 2024

MATEC Web Conf.

Self Cite

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“…Before numerical calculations, the mesh convergence analysis was carried out to obtain results with acceptable accuracy. The mesh convergence study was carried out for the element sizes of 5 × 5, 10 × 10, 15 × 15, and 20 × 20 mm on a composite cylinder shell, without rigid plywood flanges [ 38 ]. Free–free boundary conditions were used for the calculation of the first 22 natural frequencies in the composite cylinder.…”

Section: Methodsmentioning

confidence: 99%

Static Loads Influence on Modal Properties of the Composite Cylindrical Shells with Integrated Sensor Network

Mironov¹,

Kovaļovs

Chate

et al. 2023

Sensors

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This paper presents the results of experimental and numerical studies of the dynamic parameters of composite cylindrical shells loaded under axial tension. Five composite structures were manufactured and loaded up to 4817 N. The static load test was carried out by hanging the load to the lower part of a cylinder. The natural frequencies and mode shapes were measured during testing using a network of 48 piezoelectric sensors that measure the strains of composite shells. The primary modal estimates were calculated with ARTeMIS Modal 7 software using test data. The methods of modal passport, including modal enhancement, were used to improve the accuracy of the primary estimates and reduce the influence of random factors. To estimate the effect of a static load on the modal properties of a composite structure, a numerical calculation and a comparative analysis of experimental and numerical data was carried out. The results of the numerical study confirmed that natural frequency increases with increasing tensile load. The data obtained from experimental results were not fully consistent with the results of numerical analysis, but showed a consistent pattern, repeating for all samples.

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“…The size of the finite element of the FEM model was chosen by means of a series of calculations and evaluation of the convergence of the solution. According to the results of convergence, the size of the finite element is 10×10 mm [25].…”

Section: Laminated Composite Cylindersmentioning

confidence: 99%

The modal analysis of laminated composite cylinders under axial tension loading in ANSYS

Kovalovs,

Chate,

Kulakov

2024

MATEC Web Conf.

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Natural frequencies and vibration modes of laminated composite cylinders were calculated under axial tension loading by the finite element method using ANSYS Mechanical software package. Two types of axial tensile load were modelled: a suspended weight and a static axial load in the zone of weight attachment into the cylinder. The features of the modal analysis of a prestressed system depending on the type of applied tensile load were analyzed. The numerical results obtained were compared and the possible reasons for their discrepancy were explained.

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Optimal Sensor Placement in Composite Circular Cylindrical Shells for Structural Health Monitoring

Cited by 6 publications

References 26 publications

The effect of manufacture process on material properties of laminated composite cylinders using non-destructive technique

The effect of manufacture process on material properties of laminated composite cylinders using non-destructive technique

Static Loads Influence on Modal Properties of the Composite Cylindrical Shells with Integrated Sensor Network

The modal analysis of laminated composite cylinders under axial tension loading in ANSYS

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