Numerical Simulations of Aircraft Model Impacting on the Steel Plate Reinforced Concrete Target

ZHAO Yaoyun

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Numerical Simulations of Aircraft Model Impacting on the Steel Plate Reinforced Concrete Target

更新时间：2025-09-25

- Numerical Simulations of Aircraft Model Impacting on the Steel Plate Reinforced Concrete Target
- Issue 3, Pages: 412-424(2020)
- 作者机构：
  
  陆军工程大学爆炸冲击防灾减灾国家重点实验室,江苏,南京,210007
- 作者简介：
- 基金信息：
- DOI：
  CLC： O347
- Published：2020
- 稿件说明：
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赵耀云,吴昊,方秦,张涛.飞机模型撞击SC靶板的数值模拟分析∗[J].防灾减灾工程学报,2020,(3):412-424

ZHAO Yaoyun. Numerical Simulations of Aircraft Model Impacting on the Steel Plate Reinforced Concrete Target[J]. 2020, (3): 412-424.
赵耀云,吴昊,方秦,张涛.飞机模型撞击SC靶板的数值模拟分析∗[J].防灾减灾工程学报,2020,(3):412-424 DOI：

ZHAO Yaoyun. Numerical Simulations of Aircraft Model Impacting on the Steel Plate Reinforced Concrete Target[J]. 2020, (3): 412-424. DOI：

摘要

相对于钢筋混凝土（RC），钢板混凝土（SC）结构由于其优异的抗冲击性能和密闭性能，越来越多地应用于核电站安全壳结构中。基于有限元程序LS?DYNA对1/7.5缩尺飞机模型撞击SC靶板实验进行数值模拟，分别采用K&C、Winfrith和CSCM三种模型描述混凝土材料，通过详细对比飞机模型撞击过程和速度衰减时程、靶板损伤和最大挠度以及引擎破坏的实验数据和数值仿真结果，验证了Winfrith模型的适用性。进一步讨论了撞击速度、钢板厚度、混凝土强度和栓钉强度对飞机模型速度时程和靶板破坏的影响。结果表明钢板厚度和栓钉强度对SC结构抗飞机撞击性能影响较大，而混凝土强度影响较小。相关结论可为飞机撞击下核安全壳的损伤破坏分析与结构设计提供一定的参考。

Abstract

Compared with the reinforced concrete (RC)

the steel plate concrete (SC) structure has better impact resistance and sealing performance; therefore

it has been widely used in nuclear power plant containments. In this paper

the numerical simulations of 1/7.5 scaled aircraft model impacting test on SC panels were performed by using the finite element program LS-DYNA. K&C

Winfrith and CSCM constitutive models were used to describe concrete material

respectively. The impact process

the velocity time history of the aircraft model

the damage and the maximum deflection of SC panels

the deformation of aircraft engine are numerically derived and compared with the test results. The superiority of Winfrith model is validated. Furthermore

the influences of impact velocity

steel plate thickness

compressive strength of concrete and yield strength of steel studs on the velocity time-history of aircraft model and SC panel damage are further discussed. The results show that the steel plate thickness and the yield strength of steel studs have significant influences on the impact resistance of SC target under the soft impact

while the concrete strength has relatively slight effect. The conclusions drawn in this study can provide useful references for damage analyses and structural design of nuclear power plant containments subjected to aircraft impacts.

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Keywords

references

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