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EFFECT OF STRUCTURAL DIMENSIONS ON STRAIN GROWTH OF CYLINDRICAL VESSELS

机译:结构尺寸对圆柱血管应变生长的影响

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摘要

Strain growth is a phenomenon observed in the elastic response of containment vessels subjected to internal blast loading. The local dynamic response of a containment vessel may become larger in a later stage than its response in the earlier stage. To further study the mechanism of strain growth, the effect of structural dimensions on strain growth of cylindrical vessels subjected to internal blast loading is thoroughly investigated in this paper. The dynamic response characteristics of eight cylindrical shells with different lengths and thicknesses are studied by finite element software LS-DYNA. It is shown that the structural dimension is a dominant influencing factor of strain growth.
机译:应变增长是在经受内部爆炸载荷的安全壳的弹性响应中观察到的现象。安全壳的局部动态响应在后期可能会比早期的响应更大。为了进一步研究应变增长的机理,本文充分研究了结构尺寸对内部爆炸载荷作用下圆柱容器应变增长的影响。利用有限元软件LS-DYNA研究了八个不同长度和厚度的圆柱壳的动力响应特性。结果表明,结构尺寸是应变增长的主要影响因素。

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