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Numerical Simulation on the Penetration of Reinforced Concrete Targets

Author: WangJianGang
Tutor: HuangZuoYong；LiangShenGen；LiGuoLan
School: National University of Defense Science and Technology
Course: Aerospace engineering
Keywords: RC penetration LS-DYNA simulation
CLC: TU375
Type: Master's thesis
Year: 2011
Downloads: 37
Quote: 0
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Abstract


With the rapid development of finite element technology, using computer simulation has become an important tool, which has been applicated to research penetration of RC targets more and more widely. The main work of this paper is started around the problem of RC targets penetration simulation, based on extensive references and application of sophisticated finite element software LS-DYNA program.The main works are as follows:1. Summarizing the problem of RC penetration, analyzing and discussing method, research history at domestic and abroad and current research situation of RC penetration, the works above laid the foundation for the follow-up.2. Researching dynamic damage and failure modes of RC targets and common dynamic constitutive models of concrete in numerical analysis, analyzing scope and shortcomings of several main dynamic constitutive models, choosing HJC as the numerical dynamic constitutive model, and identifying the corresponding dynamic constitutive mode parameters for the study of this paper.3. Establishing the detail finite element model of projectile and target, comparing and analyzing the impact by the different finite element models of RC on the numerical results, and identifying the finite element model of RC and algorithm for this project.4. Starting the numerical analysis around the impact on the penetration behavior of RC when the ballistic parameters which includes angle of attack, angle of trajectory inclination, speed, and attack point was changed, summarizing the relevant laws, and analyzing the impact by front and rear cabin on penetration behavior of missile, these are of great reference value for the missile design.5. The verification tests were carried out for some numerical simulation conditions, and some relevant conclusions was drawn.Finally, summarizing the full text studies, and discussing the works which need to be further researched in the future.

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CLC: > Industrial Technology > Building Science > Building structure > Concrete structure,reinforced concrete structure > Reinforced concrete structures
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