Experimental and numerical analysis of PMMA impact fracture

Kazarinov, N. A.; Bratov, Vladimir; Морозов, Н. Ф.; Petrov, Yu. V.; Balandin, V. V.; Iqbal, M.A.; Gupta, N.K.

doi:10.1016/j.ijimpeng.2020.103597

Cited by 18 publications

(12 citation statements)

References 29 publications

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“…When the projectile reachs the light-screens in the six light-screen model, the photoelectric sensor of each light-screens generate an output signal, and the time between these output signals is the time series in formula (2) The results in Fig. 5 show that the abscissa measurement error basically increases with the increase of coordinates, which is related to the tilt direction of light-screen G 2 and G 5 .…”

Section: The Time Extraction Errormentioning

confidence: 99%

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Error Analysis of Integrated Six-Light-Screen Array Measurement Model

Chen

Duan

2021

J. Phys.: Conf. Ser.

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The light-screen array measurement method is very suitable for measuring the coordinates of rapid-fire weapons, and the measurement error is determined by the measurement model. In this paper, the separated light-screen array is improved to an integrated light-screen array, which reduces the parameters and optimizes the measurement model. Three kinds of factors affecting the coordinate measurement error of the projectile under the integrated measurement model are analysed, and the influence of the factors on the distribution of coordinate measurement errors is simulated and analysed in the selected 1m×1m target area. Then the error distribution of the separated measurement model and the integrated measurement model is simulated and analysed under the same conditions based on the design values and current technology level. The result shows that compared with the separated measurement model under the same simulation conditions, the comprehensive coordinate measurement error is optimized by about 2.1mm within 1m×1m target area. The research can provide reference for the design and optimization of light-screen array and other similar photoelectric measurement systems, and provide new ideas for improving the coordinate measurement precision of therapid-fire weapons.

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Section: The Time Extraction Errormentioning

confidence: 99%

“…With the development of barrel weapons, rapid-fire weapons have been widely used [1][2][3]. In order to evaluate the performance of such weapons, it is necessary to realize the coordinate measurement of continuous projectiles with high firing rate.…”

Section: Introductionmentioning

confidence: 99%

Error Analysis of Integrated Six-Light-Screen Array Measurement Model

Chen

Duan

2021

J. Phys.: Conf. Ser.

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“…To measure the above key firepower parameters, there is currently a mainstream instrument called photoelectric test system with intersecting detection areas (also called multi-light screen measurement system). Compared with other approaches, such as high-speed photography [4], photoelectricity [5], acoustic [6], radar [7], double-CCD intersection [8,9] this instrument has many advantages of high detection sensitivity, high measurement accuracy, larger velocity measurement range, low maintenance cost, easy operation, and high reliability [10]. According to the metrological legislation in each country, the measurement accuracy of each instrument should be calibrated before use.…”

Section: Introductionmentioning

confidence: 99%

Calibration method for the measurement accuracy of a photoelectric test system with intersecting detection areas using array optical signal

Chen,

Shen,

yang

et al. 2024

Speckle 2023: VIII International Conference on Speckle Metrology

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The article proposes a calibration method based on array optical signal to effectively improve the measurement accuracy of a photoelectric testing system with intersecting detection areas. According to the measurement principle of the system, the proposed calibration theory is systematically described. The aim is to map the given results in the form of vector into the time sequence. Subsequently, we develop a calibration platform whose core components are an arbitrary waveform generator and a tunable laser, and thus it can generate a set of six optical signals with an exact sequential relationship. After receiving the optical signals, some measurement results with errors are obtained by the system. Many calibration operations is performed to obtain the systematic errors, which are the statistical average of the deviation between the given results and those with errors. The results show that the comprehensive performance of the proposed calibration method is superior to that of the traditional method. In addition, the proposed calibration method relative to the traditional ones has some advantages, such as high efficiency, safety and low cost.

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“…With regards to the impacting problem, many researchers have focused on it in history. Kazarinov [14] conducted experimental research on the velocity of PMMA thin plates under high-speed steel projectile penetration using LS-DYNA. Wu [15] conducted experimental studies on the quasi-static and medium-strain-rate uniaxial tensile mechanical properties of PMMA using the MTS810 testing machine and the self-developed medium-strain-rate material-testing machine.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of PMMA Impact Based on the J–C Constitutive and Damage Models under Hydrostatic Pressure Loading

Liu

2023

Applied Sciences

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Polymethyl methacrylate (PMMA) polymer is widely used in various fields today. In order to reveal the structural impact performance of PMMA materials in underwater engineering thoroughly, this paper firstly proposed a simplified plate model for a spherical shell hull under concentrative impact loading. Then, to simulate the hyper-elastic material properties of PMMA in the impact process, the Johnson–Cook constitutive model and damage failure model were adopted. And the least squares method was used to confirm accurately the J–C constitutive and damage failure model parameters of PMMA through material test data. Moreover, the dynamic process of the steel bullet impacting the PMMA plate structure was analyzed by the finite element software ABAQUS. The calculation results show that the numerical simulation results in this paper have a good convergence, and the residual velocities at different initial velocities and thicknesses of plates are in good agreement with the experimental test data. Therefore, the feasibility and accuracy of the impact analysis of PMMA structures based on J–C constitutive and damage failure models in this paper are verified accordingly. Finally, based on the presented finite element model, the structure response and the variation of residual velocity of the bullet with the PMMA plate thickness was analyzed in depth; that is, the results show that the residual velocity of the bullet has a certain linear relationship with the thickness, even in an underwater environment, and even in an underwater environment will increase both with a thicker structure or a higher pressure.

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Experimental and numerical analysis of PMMA impact fracture

Cited by 18 publications

References 29 publications

Error Analysis of Integrated Six-Light-Screen Array Measurement Model

Error Analysis of Integrated Six-Light-Screen Array Measurement Model

Calibration method for the measurement accuracy of a photoelectric test system with intersecting detection areas using array optical signal

Numerical Simulation of PMMA Impact Based on the J–C Constitutive and Damage Models under Hydrostatic Pressure Loading

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