功能梯度材料板中弹性波的传输系数研究Study on the Transmission Coefficient of Elastic Waves Propagating in a Plate Made of Isotropic Functionally Graded Materials
何建璋;赵金峰;
摘要(Abstract):
研究了置于流体中无限大各向同性功能梯度材料板相对于入射弹性波的传输系数.首先给出弹性波在多层介质中传播的循环刚度矩阵计算方法,然后利用该方法计算了弹性模量以幂函数形式变化、泊松比不变的功能梯度材料板相对于入射弹性波传输系数,分析了材料性能的梯度变化对传输系数与频厚积关系的影响.结果表明当频厚积较大时,材料性能的梯度变化明显影响弹性波的传输系数.
关键词(KeyWords): 功能梯度材料;循环刚度矩阵法;传输系数
基金项目(Foundation):
作者(Author): 何建璋;赵金峰;
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DOI:
参考文献(References):
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