期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 47, 期 -, 页码 14-22出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.euromechsol.2014.02.016
关键词
Metal sandwich plate; Blast loading; Large deflection
类别
资金
- National Natural Science Foundation of China [11372235, 11102146, 11321062, 11272246]
- Fundamental Research Funds for the Central Universities
A theoretical study is conducted to predict the large deflection response of fully clamped rectangular sandwich plates subjected to blast loading. Using the energy dissipation rate balance theory and a new yield criterion including the effect of core strength, we obtained the solutions for the dynamic response of rectangular sandwich plate, in which the effect of finite deflection are incorporated and elastic effect is neglected. Also, we obtain the new so-called 'bounds' of dynamic response by using the inscribing and circumscribing squares of the exact yield locus. Further, we neglect the effect of bending moment and obtained analytical membrane mode solutions for large deflection of the sandwich plate. Finite element numerical calculations are also carried out to study the dynamic response of the sandwich plate subjected to blast loading. Comparisons of the present analytical predictions and the present numerical and the previous experimental results are given and good agreement is found. (C) 2014 Elsevier Masson SAS. All rights reserved.
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