Revising the penetration behavior of concrete-like and metal-like materials against the rigid projectile impact

Mu, Zhongcheng; Zhang, Wei; Wang, Wei; Jiang, Ningjing; Wu, Xiaofeng

doi:10.1016/j.mechmat.2019.103274

Cited by 10 publications

(22 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Section: Introductionsupporting

confidence: 77%

“…A series of two-dimensional (2D) numerical simulations, considering the dynamic damage feature of concrete-like materials, were carried out to clarify the SSF effect. The present study is helpful to better understand the two-phase behavior of the deceleration history of a projectile, and it further supports the reasonability of the two-phase penetration theory [6]. In several theoretical analyses and semiempirical equations, the SSF is usually neglected or a 0.02-0.2 static friction coefficient is used directly to gain good agreement with the experimental data [4,5].…”

Section: Introductionsupporting

confidence: 75%

“…The feasibility of two-phase penetration analysis was validated by comparisons with 12 penetration experimental cases [6]. Two typical results are given in Figures 3 and 4, where…”

Section: Role Of Ssf In Two-phase Penetration Behaviormentioning

confidence: 98%

“…As stated above, it is acceptable that projectile deceleration exhibits two-phase behavior in rigid penetration for concrete-like materials, as demarcated by a critical striking velocity. The two corresponding phases were identified as the "squeeze and push" (SP) penetration phase and the Dynamic Spherical Cavity Expansion (DSCE) penetration phase [6], according to the different features.…”

Section: Role Of Ssf In Two-phase Penetration Behaviormentioning

confidence: 99%

“…However, due to the problems of complexity and the difficulty in performing measurements during the penetration process, analyses of the resisting force commonly weaken the Surface Sliding Friction (SSF) or simplify its effect [2][3][4][5]. In most cases, a Coulomb friction formula in the form of τ = µσn is accepted to describe the SSF, where τ and σn are, respectively, the stresses that are tangent and normal to the interface, and µ is the SSF coefficient, as shown in Figure 1 [6]. In several theoretical analyses and semiempirical equations, the SSF is usually neglected or a 0.02-0.2 static friction coefficient is used directly to gain good agreement with the experimental data [4,5].…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Investigations into the Role of Friction for Rigid Penetration into Concrete-Like Material Targets

Jiang

et al. 2020

Materials

Self Cite

View full text Add to dashboard Cite

Currently, it appears that there is a lack of understanding related to the role of SSF, in the two-phase behavior of the deceleration history, which is an issue discussed recently in the impact dynamics field. This paper analytically and numerically focuses on the effect of SSF on the projectile deceleration characteristic of concrete-like targets. Firstly, the penetration process according to the two-phase feature of the projectile deceleration is revised, where analytical results indicate that the SSF has a phased feature corresponding to the two-phase behavior of the deceleration history. Furthermore, a series of numerical simulations are conducted to understand the role of SSF more clearly. Simulation results show a similar conclusion to the analyses of the two-phase penetration process; at the range below a certain critical striking velocity, adding friction can reproduce the experimental data; when exceeding the critical striking velocity, the simulated results without considering friction are closest to the experimental data. Hence, it could be gained that the role exchange between the SSF and the dynamic term contributes to the two-phase penetration behavior for concrete-like materials. This indicates that the sensitivity of SSF to the penetration process is one of the factors driving the two-phase feature.

show abstract

Section: Introductionsupporting

confidence: 77%

Section: Introductionsupporting

confidence: 75%

“…The feasibility of two-phase penetration analysis was validated by comparisons with 12 penetration experimental cases [6]. Two typical results are given in Figures 3 and 4, where…”

Section: Role Of Ssf In Two-phase Penetration Behaviormentioning

confidence: 98%

Section: Role Of Ssf In Two-phase Penetration Behaviormentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigations into the Role of Friction for Rigid Penetration into Concrete-Like Material Targets

Jiang

et al. 2020

Materials

Self Cite

View full text Add to dashboard Cite

show abstract

Study on the perforation process of concrete targets against the impact by nondeforming projectiles

Wang

et al. 2022

Structural Concrete

View full text Add to dashboard Cite

The perforation of concrete‐like material targets against impact by nondeforming projectiles is always the research focus in engineering protective domain. In the present paper, a new punching plug model is proposed based on the similar features with punching shear in concrete slabs, utilizing the failure criterion of modified Mohr‐Coulomb. Semi‐empirical equations corresponding to ballistic limit, residual velocity, punching plug thickness are derived, where residual velocity is renewedly identified considering the effect of punching plug resistance. Eventually, the proposed punching plug model is validated and discussed by comparisons with perforation experiments.

show abstract

Numerical study on the resistance of rigid projectiles penetrating into semi-infinite concrete targets

et al. 2021

View full text Add to dashboard Cite

Revising the penetration behavior of concrete-like and metal-like materials against the rigid projectile impact

Cited by 10 publications

References 32 publications

Investigations into the Role of Friction for Rigid Penetration into Concrete-Like Material Targets

Investigations into the Role of Friction for Rigid Penetration into Concrete-Like Material Targets

Study on the perforation process of concrete targets against the impact by nondeforming projectiles

Numerical study on the resistance of rigid projectiles penetrating into semi-infinite concrete targets

Contact Info

Product

Resources

About