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Статті в журналах з теми "Target penetration"

Автор: Grafiati

Опубліковано: 3 червня 2025

Оновлено: 31 липня 2025

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1

Harikrishnan, S., V. Venkateswara Rao, and Ajay Misra. "A Numerical Study of Penetration in Concrete Targets by Eroding Projectiles of Different Materials." Defence Science Journal 71, no. 5 (2021): 612–18. http://dx.doi.org/10.14429/dsj.71.16942.

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Анотація:

Numerical simulations have been performed to examine the effect of three different eroding rod materials on the penetration in concrete targets. Same kinetic energy is delivered to concrete target using cylindrical rods of Aluminium, Iron, and Copper of identical size. Impact velocities have been varied to keep the kinetic energy the same. Penetration characteristics like centerline interface velocity, penetrator deceleration, plastic strain in the target, and energy partitioning during penetration have been studied for the three different penetrator materials. In all three cases, penetration

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2

Qin, Dong-ze, and Pei-hang Li. "Dynamic Characteristics of the Rotating Penetrating Missile for Attacking Warship Vertically." Journal of Engineering 2021 (July 19, 2021): 1–9. http://dx.doi.org/10.1155/2021/9953866.

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Анотація:

The paper aimed to analyze the dynamic response of a new type penetrating missile in rotary attacking warship. The dynamic response characteristics of the penetrator become more complex when attacking the ship target due to the special materials of the deck such as stiffeners. Therefore, different from attacking other targets, the article reveals the design rules of precession penetration ammunition and fuze. A physical model of the missile target is established to study the numerical simulation of the penetration process of rotating projectile into a stiffened target based on finite element a

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3

Wu, Qun Biao, Pei Hui Shen, and Rong Zhong Liu. "Simulation Analysis of Penetration Performance of Tungsten Alloy and Tungsten Carbide Rod Penetrator." Applied Mechanics and Materials 182-183 (June 2012): 283–87. http://dx.doi.org/10.4028/www.scientific.net/amm.182-183.283.

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Анотація:

In penetration mechanics, the material parameters of the rod penetrator are very important factors which influence the effect of penetration. The effect of each parameter changes with the impact velocity. Simulation analysis of two models filled with tungsten alloy and tungsten carbide separately penetrating semi-infinite armor steel target at medium to high velocities has been made to quantitatively analyze the key roles that the density and hardness play. Simulation results indicate that a dividing line of velocity exists between the penetrations of two materials. Above the line, tungsten al

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4

Liang He, Liang, Jian Ping Yin, and Jian Ya Yi. "Numerical simulation of reactive composite jet penetrating concrete target." Journal of Physics: Conference Series 2612, no. 1 (2023): 012012. http://dx.doi.org/10.1088/1742-6596/2612/1/012012.

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Abstract In order to allow more reactive material to enter the penetration hole when the initiation delay time of reactive material arrives, a double-layered liner structure with inner and outer liners of unequal height is designed. The outer liner is polytetrafluoroethylene/aluminum (PTFE/AL) reactive material, and the inner liner is metal material. The AUTODYN software were used to study the effects of height ratio α of the inner and outer liners and inner liner material on the reactive composite jet forming and penetrating C35 concrete target. The results show that when α varies, the compos

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5

Liu, Li Shuang. "High Overload Penetration Test and Analysis of the Multi-Layer Steel Target." Advanced Materials Research 295-297 (July 2011): 1178–82. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1178.

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Анотація:

High-g accelerometer and storage test system is designed for the measurement of multi-layer steel targets penetration. The penetration test of the double layer steel target is performed, and the verload acceleration is obtained when the projectile penetrates the steel target. According to the overload data, the effective overload accelerations are concluded. The effective overload accelerations gained when projectile penetrates the double steel targes are 81078g and 152061g respectively. Also from the calculation, it can be concluded that the test errors are all less than 10%, which can meet t

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6

Dong, Yu Cai, Rong Zhong Liu, Jie Liu, and Long Xiang Xia. "Simulation Research on Head Structure and Rod Components." Applied Mechanics and Materials 415 (September 2013): 418–22. http://dx.doi.org/10.4028/www.scientific.net/amm.415.418.

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Анотація:

In order to further optimize the structure of tube-rod extended penetrator, the author did numerical simulation to the penetration process of five different head structures and rod assembly of tube-rod extended penetrator to finite RHA603 target with LS-DYNA at a certain speed. Be drawn from the results of the numerical simulation, the penetration effect of truncated cone head structure is the best, because its top angle is small, the wave on the top is weak, the overpressure is small, and it is faster to open a pit on the target. 3mm aluminum sleeve rod attachment structure is the best. In th

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7

Chen, Peng, Wenbin Li, Yiming Li, Weihang Li, Zhiwei Guo, and Guixiang Yin. "Investigation into Damage Characteristics and Ballistic Performance of In-Contact Multi-Layer Steel Targets Subjected to High-Velocity Impact by Explosively Formed Projectiles." Symmetry 16, no. 12 (2024): 1665. https://doi.org/10.3390/sym16121665.

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Анотація:

Given the significantly large deformation and high strain exhibited by explosively formed projectiles (EFP) in penetration, their penetration performance into multi-layer targets differs from that of ordinary bullets or rigid projectiles. Therefore, it is necessary to investigate the ballistic performance and the damage mechanism of target deformation when an EFP penetrates a multi-layer target. This study conducted high-velocity impact tests of EFPs on four types of multi-layer steel targets, analyzing the damage morphology and deformation characteristics of multi-layer steel targets subjecte

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8

Goncharuk, V. A., B. O. Galanov, M. O. Iefimov, I. V. Goncharova, and V. Yu Tsivilitsin. "Determination of the critical penetration rate of targets from aluminum and magnesium alloys." Uspihi materialoznavstva 2024, no. 8-9 (2024): 52–59. https://doi.org/10.15407/materials2024.08-09.005.

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Анотація:

The motion of a non-deformable kinetic projectile of cylindrical shape in a continuous homogeneous semi-infinite medium is considered based on the well-known Alekseevsky-Tate model. As a result of solving the differential equation of motion of the impactor, the dependence of its speed on the penetration depth was obtained. The boundary conditions are: before penetrating the target, the speed of the impactor is equal to the critical penetration speed, and after penetrating the thickness of the target, the speed of the impactor is equal to zero. A simple formula for calculating the critical velo

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9

Lei, J. Y., J. H. Dou, and Y. D. Jing. "A modified formula to predict the penetration depth for jet penetrating spaced target plates." Journal of Physics: Conference Series 2478, no. 12 (2023): 122032. http://dx.doi.org/10.1088/1742-6596/2478/12/122032.

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Анотація:

Abstract In order to predict the penetration depth for jet penetrating spaced target plates, a modified formula with exponential form is proposed in this work based on the existing method. The processes of jet penetrating homogeneous target plate and spaced target plates are observed by simulation, and the penetration depth of different layers is obtained. The relationship between the number of layers and the penetration depth is described by the proposed formula, in which the parameters are determined by the simulation results. The penetration depth for jet penetrating spaced target plates ca

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10

Liu, Zihan, Xianfeng Zhang, Chuang Liu, Yuxuan Deng, Xianwei Hou, and Yizhou Fang. "Size effect analysis of projectile penetrating semi-infinite concrete target." Journal of Physics: Conference Series 2891, no. 5 (2024): 052030. https://doi.org/10.1088/1742-6596/2891/5/052030.

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Анотація:

Abstract Accurately assessing the damage effects of deep-penetrating weapons is of great significance for promoting the development of large-caliber kinetic energy penetrator warheads and the design of engineering protection. To accurately predict the penetration depth of projectiles into semi-infinite concrete targets, this paper derives through rigorous dimensional analysis and similarity theory that the maximum coarse aggregate size not scaling with the scale ratio and the strain rate effect are among the factors preventing small-scale projectile penetration tests on concrete targets from b

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11

Yan, Xiao Peng, Nian Mei Zhang, Wei Min Liang, Yong Gang Zhao, and Gui Tong Yang. "Mechanical Behaviours of Open-Cell and Closed-Cell Aluminium Foams against Spherical-Nosed Projectile Penetration." Applied Mechanics and Materials 29-32 (August 2010): 321–25. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.321.

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In this paper, the mechanical behaviours of open-cell and closed-cell aluminium foams against spherical-nosed projectile penetration are studied theoretically. An analytical model based on dynamic cavity expansion theory and previous experiment data is presented. The analytical equations are derived for the penetration resistance and the final penetration depth during the whole penetrating process. The effects of the mass density of target material, the geometry and initial velocity of the projectiles on the final penetration depth are investigated in detail. It is shown that the final penetra

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12

Guo, Xin‐qi, Tong Zhou, Yu‐peng Shi, and Zhao Chen. "Numerical simulation study of tungsten alloy segmented rod penetration into steel target." Journal of Physics: Conference Series 2891, no. 9 (2024): 092004. https://doi.org/10.1088/1742-6596/2891/9/092004.

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Abstract Long rod projectile has strong penetration capability due to its high specific kinetic energy, however there exists a limit value to improve its penetration depth by increasing the aspect ratio. A higher penetration efficiency can be obtained by equal-mass segmented rod under certain conditions. Numerical simulation study of tungsten alloy segmented rod penetrating semi-infinite steel target with the speed of 1000m/s-3000m/s was carried out. Penetration process of segmented rods were analysed and compared with the equal-mass long rods. The penetration capability of segmented rods with

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13

Wang, Yizhen, Jianping Yin, Xuepeng Zhang, and Jianya Yi. "Study on Penetration Mechanism of Shaped-Charge Jet under Dynamic Conditions." Materials 15, no. 20 (2022): 7329. http://dx.doi.org/10.3390/ma15207329.

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Анотація:

Aiming at the dynamic penetration process of a shaped-charge jet, we proposed a mathematical model for the penetration of a jet under dynamical conditions based on the theory of virtual origin and the Bernoulli equation taking into account the jet and target intensities. The dynamic penetration process of the jet was divided according to the penetration channel of the jet into the static target. The dynamic penetration model of the jet based on the unperturbed section and perturbed section was established. The penetration depth variation in the shaped-charge jet vertically penetrating target p

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14

Wu, Yingxiang, Xigui Tao, Yan Liu, Qingming Zhang, and Yijiang Xue. "Analysis on Deflection of Projectile Penetrating into Composite Concrete Targets." Materials 15, no. 22 (2022): 7871. http://dx.doi.org/10.3390/ma15227871.

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Анотація:

From an offensive point of view, increasing the impact velocity of the projectile is an effective way to enlarge its penetration depth. However, as the projectile penetrates the target, there often exists an angle of attack, the resultant force on the projectile is in a different direction from that of projectile velocity, which causes the deflection of the projectile, and thus the strike effect is greatly weakened. From the other perspective, the deflection of the projectile can contribute to proactive protection of key targets from damage caused by a deeper penetration which has been an impo

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15

Hao, Ouyang, and Xiaowei Chen. "Modeling on mass loss and nose blunting of high-speed penetrator into concrete target." International Journal of Protective Structures 10, no. 1 (2018): 3–25. http://dx.doi.org/10.1177/2041419618784749.

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Анотація:

Mass loss and nose blunting of the projectile are often observed in high-speed penetration into concrete target. A new theoretical model is established to present the process of mass abrasion of projectile during penetration and to predict the mass loss and nose shape of the residual projectile after penetration. In order to better describe the effect of aggregate on the mass abrasion of penetrator, both the aggregate volume fraction and its shear strength are introduced into the present model. In the present model, the caliber-radius-head value of projectile nose is a key parameter and the ma

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16

Xiaojing, Zhang, Yao Wenjin, Li Wenbin, Zhu Xintao, and Huang Hongxin. "Influence of Rock Layer Thickness on the Penetration Resistance of a Composite Target." Journal of Physics: Conference Series 2478, no. 7 (2023): 072004. http://dx.doi.org/10.1088/1742-6596/2478/7/072004.

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Abstract To describe the influence of rock thickness on the penetration resistance of rock-concrete composite targets, a three-dimensional model was simulated using the nonlinear dynamic simulation software LS-DYNA. The penetration of four composite targets with rock-concrete thicknesses of 10-20, 20-20 cm, 30-20 and 40-20 cm by a projectile at a target angle of 75 degrees is investigated in this study. A damage cloud diagram of the target plate is obtained, and the curves of penetration speed and overload in the X and Y directions of the projectile with time are analysed. During penetration,

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17

Ren, X. T., H. Y. Zhang, and Q. B. Yu. "Research on the Penetration Performance of Zirconium Liner." Journal of Physics: Conference Series 2891, no. 15 (2024): 152027. https://doi.org/10.1088/1742-6596/2891/15/152027.

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Abstract As the core part of the shaped charge warhead, the selection of the material of the liner has an important influence on the formation and penetration ability of the shaped charge jet. In this paper, metal zirconium is used as the material of the liner. The Autodyn-2D numerical simulation platform is used to simulate the jet formation and penetration ability of the zirconium liner under the shaped charge structure. By comparing the penetration depth and opening diameter of the same target with the conventional liner material, the penetration ability of different material liners is anal

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18

Yi, Jianya, Ruijie Hao, Xuezhi Tang, Siman Guan, Zhijun Wang, and Jianping Yin. "Study on the Effect of PTFE/Cu Composite Material Preparation Process on Penetration Performance." Polymers 15, no. 17 (2023): 3504. http://dx.doi.org/10.3390/polym15173504.

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Анотація:

The jet formed by the traditional metal liner has a slender shape. The diameter of the jet head is consistent with that of the tail, and the ductility is good. When it is used to penetrate the target, it has a good damage effect. The low-density jet formed by the PTFE/Cu liner, according to the different preparation processes and densities, has different degrees of radial expansion. This phenomenon may lead to the expansion of the jet head during the penetration process, resulting in a damage effect, which is different from the previous jet on the target. In this paper, the numerical simulatio

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19

Wang, Juan, Junhai Zhao, Yuan Zhou, and Shanshan Sun. "Boundary Effect and Dynamic Response Study for the Penetration of Rigid Projectiles into Thick, Finite-Radius, Metallic Targets." Shock and Vibration 2020 (November 11, 2020): 1–16. http://dx.doi.org/10.1155/2020/8832925.

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Анотація:

This study uses the unified strength theory to analyse the elastoplastic stage and plastic stage of a linear strain-hardening target material while considering the effects of the intermediate principal stress and the free lateral boundaries of the target. In this investigation, analytical solutions of the radial stress in the cavity wall are obtained, and a unified penetration model of the target material is built. On this basis, penetration resistance formulas and penetration depth formulas for rigid projectiles with various nose shapes penetrating into thick, finite-radius, metallic targets

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20

Ye, Xiao Jun, Zhong Hua Du, Chuan Hui Hu, Cheng Jun Song, and Xiao Sheng. "Simulation Studies on the Influence of Impact Velocity on the PELE Penetrated and Broken Reinforced Concrete." Advanced Materials Research 690-693 (May 2013): 3108–11. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.3108.

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Анотація:

In order to study the effect of the impact velocity for the penetrator with enhanced lateral effect (PELE) penetrating reinforced concrete (RC) targets, penetration of PELE filled nylon against RC target using the different velocity is simulated by LS-DYNA finite element method software. Simulation shows that the impact velocity have definite effect on broken RC. On condition of PELE having penetrated target, with farther increase of impact velocity, the area of PELE broken RC on the direction of decrease firstly and augmentation thereafter, the residual velocity after penetrating target is le

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21

Bao, Yong Gang, Nian Mei Zhang, and Gui Tong Yang. "Perforation of Cone-Nose Projectile to Bi-Layered Aluminum Alloy Foam Target." Applied Mechanics and Materials 52-54 (March 2011): 436–41. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.436.

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A theoretical study is presented herein on the perforation of the cone-nosed projectiles against bi-layered laminated composite aluminum alloy foam target. Bi-layered targets were arranged according to the mass density and thickness of foam material. The dynamic cavity expansion theory is applied to formulate analytical model. The perforating process can be divided into 8 stages. The analytical equations during every stage are derived to evaluate the final penetration depth and penetration resistance during the whole perforating process. Penetrating depths, velocity limits and residual velocit

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22

Choi, Min Kuk, Jihoon Han, Sangjin Park, and Woo Jin An. "Efficient Method to Evaluate Critical Ricochet Angle of Projectile Penetrating into a Concrete Target." Mathematical Problems in Engineering 2018 (October 21, 2018): 1–12. http://dx.doi.org/10.1155/2018/3696473.

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Анотація:

In this study, we propose an efficient computation method to estimate the critical ricochet angle (CRA) for oblique penetration into concrete targets which is based on the spherical cavity-expansion theory. During penetrating event, the resistance force on the projectile nose is approximated by semi-empirical function from the spherical cavity-expansion theory and projectile motion of oblique penetration is predicted to verify the proposed numerical method with the aid of finite differential approach. In order to enhance the accuracy of projectile motion, the empirical constants of the semi-em

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23

Zou, Minming, Min Guo, and Xianghai Ye. "Penetrating Power of High-Density Tungsten Fiber/Zr-Based Metallic Glass Matrix Composite." Advances in Materials Science and Engineering 2022 (March 4, 2022): 1–8. http://dx.doi.org/10.1155/2022/8087525.

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Анотація:

Tungsten-fiber/Zr-based metallic glass (Zr41.25Ti13.75Cu12.5Ni10Be22.5) matrix composite (hereinafter referred to as WF/Zr-MG composite) is considered a potential new generation of projectile material, while the density of WF/Zr-MG composite is usually around 16.5 g/cm3 and it is difficult to exceed 17.0 g/cm3. To understand the penetration performance of the composite material, a penetration test was performed on high-density WF/Zr-MG composite with a density of 17.1 g/cm3. The penetration depth, the diameter of the crater, morphology, and microstructure have been studied in a residual high-d

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24

Li, Yu Lei, Jin Jun Tang, Xiao Yu Jin, Qun Wang, and Zheng Ren. "Numerical Simulation of Multi-Angle Incidence Aluminum Composite Targets with 7.62mm Piercing Armor." Applied Mechanics and Materials 602-605 (August 2014): 562–65. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.562.

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Анотація:

To calculate the multi-angle penetration, this paper established a 3D finite element model of aluminum alloy plates and 7.62mm armor-piercing by using LS-DYNA software and the Johnson-Cook material model. The process of bullet penetrating 20mm thickness target with different angles of incidence was carried out. The impact of combinations on composite targets resistance projectile penetrating ability was analyzed. Simulation results show that,ballistic of composite targets can be between two aluminum target plate, clearly different combinations of composite targets for resistance to different a

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25

Zhang, Yi, Xiangru Zhang, Wenda Zhao, and Feng Hu. "Similarity Law Study of Shaped Charges Penetrating a Concrete Target." Buildings 12, no. 12 (2022): 2268. http://dx.doi.org/10.3390/buildings12122268.

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Анотація:

In order to study the similarity law of penetration of concrete targets by shaped charges, penetration tests of concrete targets with different sizes of shaped-charge jets were carried out, and the prototype and the model projectiles met the similarity law with a simulation ratio of 1:1.5. LS-DYNA finite element software was used to simulate the tests, and the accuracy of the ALE algorithm, fluid–solid coupling algorithm, material model, equation of state, and corresponding material parameters was verified. Numerical simulations were further conducted for the different types of shaped-charge j

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26

Miao, Qin Shu, Xiao Ming Wang, and Yu Zheng. "Effects of Mesh Size and Target Dimension on Numerical Simulation of Shaped Charge Liner Penetration into Target." Applied Mechanics and Materials 52-54 (March 2011): 162–67. http://dx.doi.org/10.4028/www.scientific.net/amm.52-54.162.

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Анотація:

In order to solve two problems when simulating the phenomenon of Shaped Charge Liner penetrating into target, an example was simulated to study the influence of mesh size and target dimension on the penetration results using AUTODYN-2D. The relationship between the Shaped Charge Liner parameters and the critical dimension of the target was gained．The effects of mesh sizes on the penetration depth, aperture，and calculation time were studied. After analyzing the simulation results，a proper range of mesh size was obtained. The simulation results agree well with the test results. The research coul

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27

Shi, Huifa, Shaojie Ma, Feiyin Li, Jian Wei, and Tong Tang. "The Influence of Attack Angle on Projectile Trajectory and Fuze in Oblique Penetration." Journal of Physics: Conference Series 2029, no. 1 (2021): 012023. http://dx.doi.org/10.1088/1742-6596/2029/1/012023.

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Анотація:

Abstract Oblique deep penetration is a common form of projectile penetration into the target. In view of the fact that most of the research work is focused on the trajectory of vertical penetration, the trajectory and law of oblique penetration are discussed in this paper. This paper studies the impact of different initial angles of attack on projectile trajectory and fuze impact in oblique penetration by simulating projectile penetrating target with LS DYNA software. The results show that with the increase of attack angle, the deflection of trajectory is more obvious, the penetration depth is

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28

Chen, Peng, Jiaojiao Tang, Xingyun Sun, and Baohui Yuan. "Study the Influence of Fragment Shape on Penetration Failure Process of Thin Target Plate." Journal of Physics: Conference Series 2478, no. 7 (2023): 072078. http://dx.doi.org/10.1088/1742-6596/2478/7/072078.

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Abstract In order to study the influence of fragment shape on the process of penetrating the target plate, the spherical and cubic structural steel fragments of the same mass which penetrating aluminum target plate has been studied by theoretical and numerical simulation calculations. The theoretical calculation shows that the ballistic limit velocity of the fragments of the cube structure is higher than that of the spherical structure when the fragments of the same mass penetrate the target plate of the same thickness. Numerical simulations have obtained the penetration process and failure ru

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29

Ma, Haoran, Hang Sun, and Changsheng Li. "Penetration Overload Prediction Method Based on a Deep Neural Network with Multiple Inputs." Applied Sciences 13, no. 4 (2023): 2351. http://dx.doi.org/10.3390/app13042351.

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Анотація:

In the process of high-speed penetration, penetrating ammunition is prone to problems such as penetration overload signal vibration and mixings and projectile attitude deflection. It is easy to misjudge if a fuze relies only on the overload data from the ground or the utilized program, and the actual penetration overload measured under actual launch conditions cannot be taken as the dynamic judgement basis. Therefore, a real-time penetration overload prediction method based on a deep neural network is proposed, which can predict overload values according to the projectile parameter settings, t

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30

Heimdahl, O. E. R., and J. C. Schulz. "A Note on the Obtainment of Instantaneous Penetration Information From Final Penetration Data." Journal of Applied Mechanics 53, no. 1 (1986): 226. http://dx.doi.org/10.1115/1.3171719.

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Анотація:

A simple, practical technique is described for generating instantaneous penetration depth versus velocity information for a given projectile-target combination from experimentally obtained final penetration depth versus impact velocity data. The technique applies to penetrations where the resistive pressure is a function of velocity only.

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31

Wang, Zai Cheng, Chun Lan Jiang, and Ming Li. "Study of Shaped Charge Jet Penetration into Concrete Target." Advanced Materials Research 282-283 (July 2011): 650–53. http://dx.doi.org/10.4028/www.scientific.net/amr.282-283.650.

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Анотація:

Based on the application of tandem weapon used to destroy concrete target this paper presents the results of simulation and experiment that investigate the penetration performance of shaped charge to runway. Jet formation and penetrating into multi-layer target was calculated by hydro code LS-DYNA3D. Jet tip velocity and jet length, also the penetration performance are studied. The damage performance of shaped charge is validated by experiment. The analysis demonstrates the shaped charge can create a big borehole for subsequent projectile to follow in.

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32

Forrestal, M. J., and S. J. Hanchak. "Penetration Limit Velocity for Ogive-Nose Projectiles and Limestone Targets." Journal of Applied Mechanics 69, no. 6 (2002): 853–54. http://dx.doi.org/10.1115/1.1480820.

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Анотація:

We conducted depth-of-penetration experiments with ogive-nose steel projectiles and limestone targets to determine the penetration limit velocity. The penetration limit velocity is defined as the minimum striking velocity required to embed the projectile in the target. For striking velocities smaller than the penetration limit velocity, the projectile rebounds from the target.

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Guo, Taiping, Yuxin Sun, Jia Luo, Dongzhi Zhao, Wei Zheng, and Yongxiang Liu. "Numerical calculation and analysis of anti-penetration of ultra-high strength bullet shielding layer." Journal of Physics: Conference Series 2891, no. 4 (2024): 042023. https://doi.org/10.1088/1742-6596/2891/4/042023.

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Abstract This research deals with the numerical investigation of ballistic protection proided by a combination of steel and reinforced concrete. Firstly, the parameters of the material model were calibrated based on the experimental data, and numerical simulations were carried out with existing experiments to verify the rationality of the material model and numerical simulation methods. Subsequently, the numerical simulation of the penetration of a typical ground-penetrating projectile into the G50/RC composite target at a velocity of 350m/s was carried out to analyze the stress wave transmiss

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Yan, Huan, Hongwei He, Qianyu Hu, and Dan Huang. "The Equivalence Method of Overload Characteristics of Detonation Control System based on High-speed Deep Penetration of Composite-medium Thick Target." Journal of Physics: Conference Series 2891, no. 5 (2024): 052005. https://doi.org/10.1088/1742-6596/2891/5/052005.

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Анотація:

Abstract In response to the improvement of the penetration ability for kinetic energy projectiles, the projective structures have been continuously increasing in thickness and developing in the direction of composite-medium materials, resulting in increasing complexity in testing the overload characteristics of the detonation control system. Addressing this difficulty, this paper analyses the range test data of the high-speed deep penetration of the composite-medium thick target. It is found that the overload characteristics has the long pulse width and multiple overload peaks, which is quite

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Ye, Xiang Hai, Hong Gang Shi, Min Ming Zou, et al. "Influence of Temperature Rise in Penetration of W_f/Zr-Based Amorphous Matrix Composite Projectile on Target Material." Applied Mechanics and Materials 496-500 (January 2014): 210–15. http://dx.doi.org/10.4028/www.scientific.net/amm.496-500.210.

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Wf/Zr-based amorphous matrix composite is supposed as a potential penetrator material of armor-piercing projectile because it has both advanced piercing performance and environmentally friendly property, and it becomes the hot spot of science study and engineering application. To get a deeper understand of the penetration mechanism and the influence of temperature rise on structure of target, target which is penetrated by penetrator made of Wf/Zr-based amorphous matrix composite is studied by SEM and micro-hardness tester. Oxidation of back of target is severe, and Martensite transformation ha

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Song, Mei Li, Xiao Ming Wang, and Wen Bin Li. "Study on the Dimensionless Model of High-Speed Penetration Efficiency." Applied Mechanics and Materials 789-790 (September 2015): 362–67. http://dx.doi.org/10.4028/www.scientific.net/amm.789-790.362.

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Penetration efficiency reflects high speed projectile penetration ability with the impact velocity (>800m/s) variation. To further study the penetration efficiency engineering model, the physical and mechanical parameters that affect the penetration efficiency of high-speed projectiles penetrating into concrete target are analyzed, penetration efficiency dimensionless quantities are determined, such as projectile’s length to diameter ratio, projectile and target strength ratio, etc. The dimensionless equation of penetration efficiency is got by using the homogeneous principles of the laws o

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37

Yang, Huawei, Ji-wei Luo, Jie Zhang, and Pei-wen Zhang. "Numerical Study on the Entrance Effect of Penetration into Concrete Targets." Mathematical Problems in Engineering 2021 (December 9, 2021): 1–13. http://dx.doi.org/10.1155/2021/9921273.

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Investigation on penetration into concrete targets is of great importance as concrete is widely used as the fundamental construction material. To achieve a more accurate prediction of penetration depths of concrete targets, a further study was conducted to explore the entrance effect by using AUTODYN hydrocode in this study. The numerical results on both deceleration-time history and depth of penetration of projectiles are in good agreement with experimental data, which demonstrate the feasibility of the numerical model in these conditions. A new target model was established with a predrilled

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38

Chen, Jun, and Xiao Jun Ye. "Numerical Simulation of the Kinetic Energy Projectile Oblique Penetration into the Concrete." Advanced Materials Research 989-994 (July 2014): 982–85. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.982.

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Анотація:

ANSYS-LS/DYNA 3D finite element software projectile penetrating concrete target three-dimensional numerical simulation , has been the target characteristics and destroy ballistic missile trajectory , velocity and acceleration and analyze penetration and the time between relationship , compared with the test results , the phenomenon is consistent with the simulation results. The results show that : the destruction process finite element software can better demonstrate concrete tests revealed the phenomenon can not be observed , estimated penetration depth and direction of the oblique penetratio

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Wang, Yajun, Weibing Li, Guili Zhu, and Wenbin Li. "Oblique Penetration of a Circular Pipe Target by a Prefabricated Fragment." International Journal of Structural Stability and Dynamics 19, no. 10 (2019): 1950119. http://dx.doi.org/10.1142/s0219455419501190.

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Анотація:

For the oblique penetration of a circular pipe target by a prefabricated fragment, the finite element software LS-DYNA was used to build a computational model for the circular pipe considering the penetration by a cylindrical fragment from different directions. The failure characteristics of the pipe were acquired and the critical penetration velocity was calculated. The relationship between the initial velocity and critical angle of ricochet was found. The experiment was then conducted to verify the results obtained, indicating that the simulation results are in good agreement with the experi

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Huang, Guang Yan, Shun Shan Feng, Guang Wu, and Shun Ping Li. "Performance of Different Projectile Nose Shapes in Normal Penetrating Armor Targets." Advanced Materials Research 308-310 (August 2011): 1420–25. http://dx.doi.org/10.4028/www.scientific.net/amr.308-310.1420.

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Based on the cavity expansion theory, an analysis model of normal penetration of slender nose projectile into armor targets was established, and the variation relation curve of penetration depth and initial velocity when initial velocity is below ballistic limit was obtained. By carrying out ballistic impact test using 85mm smoothbore gun, various projectile nose shapes and armor target thickness and their effect on damage were considered. The research results have indicated that the damage of target is mainly ductile reaming and the shape of crater is almost the same as the projectile nose em

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Zhang, Hongrui, and Shaohua Niu. "Analysis the Influence of Projectile Penetration Velocity and Length - Diameter Ratio on Fuze Overload Signal Adhesion." Journal of Physics: Conference Series 2478, no. 7 (2023): 072035. http://dx.doi.org/10.1088/1742-6596/2478/7/072035.

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Abstract The overload signal of fuze is prone to be adhesion while projectile penetrating multi-layer target with high speed. This problem would cause failure of judgment the layers. The ahhesion phenomenon is related to many factors, such as the penetration speed, parameters of the projectile, the characteris of target and so on. In this paper, the influence of penetration speed and projectile length-diameter ratio on the overlaod signal adhesion is analyzed by numerical simulation. Firstly, the reliability of the material model and its material parameters are verified by simulating the penet

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42

Wu, Xuezhi, Huihui Zou, Gan Li, Yihao Cheng, and Chunming Song. "High-Speed Penetration Test and Numerical Simulation of Ceramic-Reactive Powder Concrete Composite Target." Shock and Vibration 2022 (June 22, 2022): 1–14. http://dx.doi.org/10.1155/2022/5257252.

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To study the protective performance of ceramic materials against the high-speed penetration of projectiles, seven ceramic-reactive powder concrete (C-RPC) composite targets were designed. Using a 100/30 mm two-stage light-gas gun, penetration tests were performed at 1.4–2.0 km/s. The results showed that the penetration depth of the C-RPC target body first increased and then decreased as the target speed increased, and the corresponding reverse penetration speed was between 1743.2 m/s and 1803.9 m/s. LS-DYNA software was used to perform a wide-speed numerical simulation study of a projectile’s

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43

Buchely, Mario, and Alejandro Marañon. "Spherical Cavity Expansion Approach for the Study of Rigid-Penetrator’s Impact Problems." Applied Mechanics 1, no. 1 (2020): 20–46. http://dx.doi.org/10.3390/applmech1010003.

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In recent years, Spherical Cavity Expansion (SCE) theory has been extensively utilized to model dynamic deformation processes related to indentation and penetration problems in many fields. In this review, the SCE theory is introduced by explaining the different mathematical features of this theory, its solution, and a potential application to model the penetration of a rigid penetrator into a deformable target. First, a chronologically literature review of the most common models used to study this kind of penetration problems is introduced, focusing on the SCE theory. Then, the engineering mo

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44

Forrestal, M. J., L. M. Lee, and B. D. Jenrette. "Laboratory-Scale Penetration Experiments Into Geological Targets to Impact Velocities of 2.1 km/s." Journal of Applied Mechanics 53, no. 2 (1986): 317–20. http://dx.doi.org/10.1115/1.3171758.

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We obtained forces on 3.0 and 6.0 CRH, ogival-nosed projectiles penetrating a simulated geological target. A gas gun and a powder gun accelerated foundry core targets (a simulated soft sandstone) to steady velocities between 0.6–2.1 km/s, and the targets subsequently impacted 20.6 mm diameter penetrators. Rigid-body motions of the penetrators were obtained with laser interferometry and piezoelectric accelerometers. At a penetration velocity of about 1.5 km/s, the 6.0 CRH nose shape exhibited severe, permanent deformation; whereas, the 3.0 CRH nose shape remained undeformed for penetration velo

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45

Zhang, Jiahao, Hongwei Zhao, Sheng Zhou, and Qingbo Yu. "Numerical modeling and verification of reactive projectile impacting plate." Journal of Physics: Conference Series 2478, no. 3 (2023): 032103. http://dx.doi.org/10.1088/1742-6596/2478/3/032103.

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Abstract The penetration of reactive projectile into target is an extremely complex thermomechanical coupling process, and most of the researches reveal this coupling mechanism by means of experiments. In this paper, based on the finite element simulation software ANSYS/LS-DYNA, using IGNITION_ANG_GROWTH state equation and Null constitutive model, the process of reactive projectile penetrating target is numerically modeled, and the numerical simulation model is verified by ballistic impact test. The test results are in good agreement with the simulation results. Further, according to this nume

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Sun, Weiwei, Ze Shi, BingCheng Chen, and Jun Feng. "Numerical Study on RC Multilayer Perforation with Application to GA-BP Neural Network Investigation." Civil Engineering Journal 6, no. 4 (2020): 806–19. http://dx.doi.org/10.28991/cej-2020-03091509.

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The finite element model of projectile penetrating multi-layered reinforced concrete target was established via LS-DYNA solver. The penetration model was validated with the test data in terms of residual velocity and deflection angle. Parametric analyses were carried out through the verified penetration model. Seven influential factors for penetration conditions, including the initial velocity of projectile, initial angle of attack of projectile, initial dip angle of projectile, the first layer thickness of concrete target, the residual layer thickness of concrete target, target distance and t

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Zhang, Xin Xin, Hai Jun Wu, Feng Lei Huang, Ai Guo Pi, and Xiu Fang Ma. "An Investigation on the Grooved-Tapered Projectile Penetrating into the Concrete Targets." Applied Mechanics and Materials 566 (June 2014): 359–64. http://dx.doi.org/10.4028/www.scientific.net/amm.566.359.

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Анотація:

Based on the dynamic spherical cavity expansion (SCE) theory of the concrete materials and the analysis of the experimental data, both the model of the petaling penetration with low speed and the model of the round hole penetration with high speed are constructed to describe the penetration of the grooved-tapered projectile in this paper. The penetration depth and the mass abrasion are calculated using the models, so are the change of the velocity and the acceleration of the projectile with the time in the stage of the low speed penetration. The results show for the grooved-tapered projectile

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48

Anderson, Charles E., James D. Walker, and George E. Hauver. "Target resistance for long-rod penetration into semi-infinite targets." Nuclear Engineering and Design 138, no. 1 (1992): 93–104. http://dx.doi.org/10.1016/0029-5493(92)90281-y.

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49

Sha, Feng Huan, Nian Mei Zhang, Xiao Peng Yan, and Gui Tong Yang. "Penetration of Cone-Nose Projectile to the Laminated Composite Aluminum Alloy Foam Target." Advanced Materials Research 97-101 (March 2010): 913–17. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.913.

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A theoretical study is presented herein on the penetration of the laminated composite aluminum alloy foam target struck normally by conical-nosed projectiles. Two layers were arranged according to the density of the respective foam; configuration 1 consisted of 10mm/semi-infinite continuous foams and configuration 2 consisted of 20mm/ semi-infinite continuous foams. The dynamic cavity expansion theory is applied to formulate analytical model. The penetrating process can be divided into 6 stages. The resistance equations during every stage are derived. Penetrating depth of projectile are analyz

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Vorobiev, Oleg, Eric Herbold, Souheil Ezzedine, and Tarabay Antoun. "A continuum model for concrete informed by mesoscale studies." International Journal of Damage Mechanics 27, no. 10 (2017): 1451–81. http://dx.doi.org/10.1177/1056789517730884.

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The paper describes a novel computational approach to refine continuum models for penetration calculations which involves two stages. At the first stage, a trial continuum model is used to model penetration into a concrete target. Model parameters are chosen to match experimental data on penetration depth. Deformation histories are recorded at few locations in the target around the penetrator. In the second stage, these histories are applied to the boundaries of a representative volume comparable to the element size in large scale penetration simulation. Discrete-continuum approach is used to

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