Y. Zhou, B. Han, Y. Liu, X. Song, T. Xie, F. Geng, P. Liu
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引用次数: 0
Abstract
An effective numerical analysis process was carried out to simulate an impact event based on the Hashin failure criterion and the Camanho degradation rule. The middle and shoulder of a cylinder were impacted by the edge of square-shaped impactors, and the remaining burst pressure was predicted. The accuracy of the numerical analysis was verified by results of two experiments that proved that the numerical analysis was reliable. The impact damage at different impact energies (20-200 J) was evaluated. According to the analysis carried out, the impact damage of gas cylinders intensified with increasing impact energy, and there existed a critical value of this energy. The damaged area of gas cylinders under the same impact energy first decreases and then increases from the inner to outer layer, and the maximum increase in the residual bursting pressure could reach 9.6%.
期刊介绍：
Mechanics of Composite Materials is a peer-reviewed international journal that encourages publication of original experimental and theoretical research on the mechanical properties of composite materials and their constituents including, but not limited to:
damage, failure, fatigue, and long-term strength;
methods of optimum design of materials and structures;
prediction of long-term properties and aging problems;
nondestructive testing;
mechanical aspects of technology;
mechanics of nanocomposites;
mechanics of biocomposites;
composites in aerospace and wind-power engineering;
composites in civil engineering and infrastructure
and other composites applications.
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