التفاصيل البيبلوغرافية
| العنوان: |
Analysis of FGM Cylindrical Shell under Impact Loading of Explosion. |
| المؤلفون: |
Azarafza, Reza, Pirali, Pooya, Javadi, Ali |
| المصدر: |
International Journal of Advanced Design & Manufacturing Technology; Jun2023, Vol. 16 Issue 2, p65-76, 12p |
| مصطلحات موضوعية: |
CYLINDRICAL shells, BLAST effect, IMPACT loads, FUNCTIONALLY gradient materials, ANALYTICAL solutions, TRANSMISSION of sound |
| مستخلص: |
Due to the increasing application of Functionally Graded Materials (FGM) shells, it seems necessary to investigate their behaviour under different loads. Therefore, in this paper, the dynamic response of functionally graded materials cylindrical shells under explosive load has been investigated with analytical and simulation methods. LSDYNA software is used in the simulation method. In analytical solution, vibration of composite circular cylindrical shells is investigated based on the first-order deformation shell theory. The boundary conditions are assumed to be fully simply supported. The dynamic response of composite shells is studied under blast loading. The modal technique is used to develop the analytical solution of composite shell. The solution for the shell under the giving loading condition can be found using the convolution integral. Material properties are assumed to be graded in the thickness direction according to Reddy function. A FGM cylindrical shell is made up of a mixture of ceramic and metal. Results show that the effect of explosion is such that it has the greatest effect on the inner layer and with increasing thickness to the outside of the shell this effect decreases and when the maximum deflection occurs, the dynamic velocity is zero. Also, it was observed that with increasing length, the radial deflection increases due to increasing the distance from the support to the center of the shell. [ABSTRACT FROM AUTHOR] |
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