基于ANSYS/LS-DYNA的钢板混凝土墙冲击实验的有限元分析

朱秀云; 潘蓉; 林皋; 李亮

doi:10.11883/1001-1455(2015)02-0222-07

基于ANSYS/LS-DYNA的钢板混凝土墙冲击实验的有限元分析

doi: 10.11883/1001-1455(2015)02-0222-07

朱秀云^{1, 2},
潘蓉^2, ,,
林皋¹,
李亮²

1.
大连理工大学海岸与近海国家重点实验室抗震分室，辽宁大连 116024
2.
环境保护部核与辐射安全中心厂址与土建部，北京 100082

基金项目: 国家科技重大专项项目(2011ZX06002-10)

详细信息

作者简介:
朱秀云(1985—), 女, 博士研究生, 工程师

通讯作者:
潘蓉, panrong@chinansc.cn

中图分类号: O347.3; TL371
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- 被引次数: 0
出版历程
- 收稿日期: 2013-08-29
- 修回日期: 2014-02-12
- 刊出日期: 2015-03-25

FEM analysis of impact experiments with steel plated concrete walls based on ANSYS/LS-DYNA

Zhu Xiu-yun^{1, 2},
Pan Rong^{2
, ,},
Lin Gao¹,
Li Liang²

1.
Laboratory of Earthquake, State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China
2.
Plant Site and Civil Engineering Department, Nuclear and Radiation Safety Center, Ministry of Environmental Protection of PRC, Beijing 100082, China

摘要

摘要: 运用经典的显式非线性动力分析软件ANSYS/LS-DYNA，分析了1/7.5缩尺飞机模型撞击钢板混凝土墙的冲击实验。选用两种不同的混凝土材料本构模型(Winfrith模型、CSCM模型)模拟混凝土的非线性破坏过程，将钢板混凝土墙的破坏模式以及飞机模型的残余速度等与实验结果进行了对比。结果表明，有限元分析结果与实验吻合较好，且Winfrith材料模型能够更好地模拟混凝土的大应变、高应变率的非线性性能，验证了钢板混凝土墙和飞机材料本构模型的选取以及整个分析方法的适用性和有效性。
- 固体力学 /
- 飞机撞击 /
- 有限元分析 /
- 钢板混凝土墙 /
- ANSYS/LS-DYNA
Abstract: The simulation analysis of the impact test of 1/7.5 scaled aircraft model impacting the steel plated concrete walls is carried out by using finite element code of ANSYS/LSDYNA. Two models of different material (i.e. Winfrith model and CSCM model) are used to simulate the concrete. The comparison analysis of damage profile of walls and residual velocity of aircraft engine between the simulation results and test results is presented. The results indicate that the damage modes of the impact simulations are in agreement with that of the experiment. Furthermore, Winfrith concrete model is better for simulating the nonlinear performance of concrete with big strain and high strain rate than CSCM concrete model. It is verified that not only the selection of the material constitutive models for the steel plated concrete wall and aircraft model but also the entire analysis process is appropriate and effective.
- solid mechanics /
- impact of aircraft /
- FEM analysis /
- steel plated concrete walls /
- ANSYS/LS-DYNA

HTML全文

图 1 半钢板混凝土墙(HSC80)有限元模型

Figure 1. FEM model of the HSC80 wall

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图 2 1/7.5缩尺飞机模型有限元模型

Figure 2. FEM model of the 1/7.5 scale aircraft

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图 3 引擎的速度曲线

Figure 3. Velocity curves of engine

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图 4 飞机模型和FSC60墙的破坏过程

Figure 4. Fracture process of aircraft model and FSC60 wall

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图 5 FSC60墙的数值模拟结果

Figure 5. The simulation analysis results of FSC60 wall

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图 6 FSC60墙的实验结果

Figure 6. The impact experiment results of FSC60 wall

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图 7 飞机模型和FSC80墙的破坏过程

Figure 7. Fracture process of aircraft model and FSC80 wall

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图 8 FSC80墙的数值模拟结果

Figure 8. The simulation analysis results of FSC80 wall

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图 9 FSC80墙的实验结果

Figure 9. The impact experiment results of FSC80 wall

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图 10 FSC80墙冲击实验中引擎破坏形式

Figure 10. Damage of engine model in FSC80 impact experiment

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图 11 FSC80墙背部钢板的位移曲线

Figure 11. Displacement curves of rear-face steel plate of FSC80 wall

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图 12 飞机模型和HSC80墙的破坏过程

Figure 12. Fracture process of aircraft model and HSC80 wall

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图 13 HSC80墙的数值模拟结果

Figure 13. The simulation analysis results of HSC80 wall

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图 14 HSC80墙的实验结果

Figure 14. The impact experiment results of HSC80 wall

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图 15 HSC80墙背部钢板的位移曲线

Figure 15. Displacement curves of rear-face steel plate of HSC80 wall

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表 1 数值模拟与实验结果的比较

Table 1. The comparison of numerical simulation results and experimental results

墙类型	方法	d_b/cm		v_r/(m·s^-1)		破坏类型
墙类型	方法	最大	残余	引擎	碎片	破坏类型
	实验^[12]	-	-	22	58	穿透
FSC60	Winfrith模型	-	-	28	59	穿透
	CSCM模型	-	-	36	51	穿透
	离散元法^[10]	-	-	40	65	穿透
	实验^[12]	-	-	40	53	穿透
HSC60	Winfrith模型	-	-	42	51	穿透
	CSCM模型	-	-	35	47	穿透
	实验^[12]	4.3	3.0	0	0	未穿透
FSC80	Winfrith模型	5.9	4.6	0	0	未穿透
	CSCM模型	3.2	2.5	0	0	未穿透
	离散元法^[10]	4.2	-	0	0	未穿透
	实验^[12]	7.8	7.0	0	0	未穿透
HSC80	Winfrith模型	7.4	5.2	0	0	未穿透
	CSCM模型	2.9	2.6	0	0	未穿透
	离散元法^[10]	8.6	-	0	0	未穿透

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参考文献(19)

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