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Latin American Journal of Solids and Structures

versão On-line ISSN 1679-7825

Resumo

ZARE, Amin  e  JANGHORBAN, Maziar. Shock factor investigation in a 3-D finite element model under shock loading. Lat. Am. j. solids struct. [online]. 2013, vol.10, n.5, pp.941-952. ISSN 1679-7825.  http://dx.doi.org/10.1590/S1679-78252013000500005.

In this paper, a scaled 3D ship under shock loading is modeled and analyzed by finite element method. By using of shock factor, there is no need to have different tests or even numerical simulation. Shock factor is an important parameter which clarifies shock severity. It was found that although the new shock factor introduced by Yao et al. (2009), when constant, predict the response better than older shock factor, but for varying values of shock factors, the older would predict better. It is also found that costly and time-consuming experiments can be avoided by proper finite element modeling, yet the errors can remain within an acceptable range. The results of the present work can be used as benchmarks for future works.

Palavras-chave : underwater shock loading; shock factor; 3D finite element modeling.

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