FINITE ELEMENT MODLEING METHOD OF COMPOSITE ROTOR BLADE WITH BALLISTIC PERFORATION

Abstract

Abstract: The military helicopter rotor blade has design requirement of sustaining some kind of ballistic damage． According to the structural properties and operating characteristics of composite blades,this article provides an even cross-section and node removed method to build finite elements model of composite blade with ballistic perforation． This modeling method builds three-dimensional model of blade typical section by even cross-section tension,then nodes around bullet holes are removed to simulate ballistic damage of the blade． The model of ballistic blade built in this article has a high degree of confidence and an acceptable solver scale,it can be used for further research of composite blade’s performance of resisting ballistic damage．

Key words: finite elements, composite, rotor blade, ballistic perforation, even cross-section and node removed method

CLC Number:

SUN Zhong-tao, WANG Hua-ming. FINITE ELEMENT MODLEING METHOD OF COMPOSITE ROTOR BLADE WITH BALLISTIC PERFORATION[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(1): 40-43.

References

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