研究压电材料的铺层方式对碳纤维增强复合材料层合板振动特性的影响,以具有压电效应的典型陶瓷基材料和碳纤维增强复合材料层合板为研究对象,建立压电-碳纤维增强复合材料层合板的有限元模型。基于模态分析的方法得出压电材料对层合板固有频率的影响,采用谐响应分析方法研究层合板的振动响应特性。结果表明,压电材料的三种铺设方式均能提高各阶次的固有频率,且对高阶的频率变化影响更为显著。同时,三种铺设方式都能减小层合板的振幅,达到振动抑制的效果。
In order toresearch the influence of the lay-up method of piezoelectric materials on the vibration characteristics of the carbon fiber reinforced composite laminate,a finite element model of the piezoelectric-carbon fiber reinforced composite laminate was established using a typical ceramic-based material with piezoelectric effect and a carbon fiber reinforced composite laminate as the research object.The effect of the piezoelectric material on the natural frequency of the laminate was derived based on the modal analysis method,and the vibration response characteristics of the laminate were studied by the harmonic response method.The results showed that,all three lay-up methods of piezoelectric materials enabled to increase the natural frequency of each order,and the effect on the frequency change of higher order was more significant.At the same time,all three lay-up methods could reduce the amplitude of the laminate and achieved the effect of vibration control.
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基金资助
国家自然科学基金(12002219,11702178);辽宁省教育厅一般项目(LQ2020015)
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