以受横向简谐激励机械载荷和热载荷共同作用的、金属基陶瓷功能梯度材料圆柱曲板为研究对象,利用有限元软ANSYS对两边固支两边自由的功能梯度材料柱面曲板进行建模,并对其在热环境下进行模态分析.这里采用了比较适合薄板的SHELL99单元模型,给出不同几何和物理参数条件下FGM圆柱面曲板前8阶振动模态图,得到固其有频率,并且对前8阶模态做模态进行分析,结果发现圆柱曲板的模态振型主要有横向和扭转振动,其中前两阶模态以横向振动为主.分析结果为进一步的理论研究、对结构设计和参数优化提供了有效的依据.
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