使用有限元素法分析防爆門之結構強度

邱普德

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使用有限元素法分析防爆門之結構強度

Analysis of Structural Strength for Blast Doors Using Finite Element Method

邱普德 , Masters　　Advisor：林震　　

繁體中文

防爆門； LS-DYNA ；接觸爆炸； blast door ； LS-DYNA ； contact explosion

Abstract │ Reference (33) │ Altmetrics

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The purpose of this study is to analyze the structural strength of the civil blast door with multilayer. To determine the contact explosion effect of the blast door, this study employed a software of the LS-DYNA, under 250g TNT explosive exploded, to simulate this process. This study selected appropriately the material parameters to analyze the structural strength of the blast door with multilayer. The contact explosion easily generates instant explosion pressure, so the thickness of the first layer of the blast door must be enough. However, it is important to consider the lightweight of material for civil blast doors. This study modified the frame of the blast door to achieve the above-mentioned propose. Simulation results showed that the blast door with regular hexagon frame achieved the design of the lightweight and the minimal stress. As compared with the original hollow frame of the blast door, its minimal stress and weight reduced 31.79% and 15.43%, respectively. Obviously, this study demonstrated that the blast door with regular hexagon frame has the lightweight and the minimal stress, as compared with the blast door of other types.

Reference ( 33 ) 〈TOP〉

1. Jons, N., Uran, T. and Tekin, S. A., “The Dynamic Plastic Behaviour of Rectangular Plates,” International Journal of Solid Structure, Vol. 6, pp. 1499-1512, 1970.
連結：
2. Olson, M. D., Nurick, G. N. and Fagnan, J. R., “Deformation and Rupture of Blast Loaded Square Plates-Predictions and Experiments,” Int. J. Impact Engng, Vol. 13, pp. 279-291, 1993.
連結：
3. Chapman, T. C., Rose, T. A., and Smith, P. D., “Blast Wave Simulation Using AUTODYN2D: A Parametric Study,’’ International Journal of Impact Engineering, Vol. 16. 516, pp. 777-787, 1995.
連結：
5. Nurick, G. N. and Shave, G. N., “The Deformation and Tearing Thin Square Plates Subjected to Implusive Loads-an Experimentak Study,” Int. J. Impact Engng, Vol. 18, pp. 99-116, 1996.
連結：
6. Gebbeken, N. and Ruppert, M., “On the Safety and Reliability of High Dynamic Hydrocode Simulations,” Internatioal Journal for Numerical Method in Engineering, 1999.
連結：

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