含压电致动器的四结点矩形复合材料夹层板单元  

A FOUR-NODE RECTANGULAR ELEMENT FOR COMPOSITE SANDWICH PLATES WITH PIEZOELECTRIC ACTUATORS

作　　者：吴晖[1] 

机构地区：[1]兰州交通大学土木工程学院,甘肃兰州730070

出　　处：《工程力学》2004年第4期156-161,共6页Engineering Mechanics

摘　　要：依据Hoff型夹层板理论以及纤维增强型复合材料和压电致动器的本构关系,首次建立了每个结点具有7个位移自由度的含压电致动器的四结点矩形复合材料夹层板单元。数值算例表明,方法具有良好的计算精度。Based on the theory of the Hoff type sandwich plates, the finite element formulation of sandwich plates with piezoelectric actuators is established. The constitutive relationships of fiber-reinforced composite materials and piezoelectric actuators are employed in the formulation. A four-node rectangular sandwich plate element with seven degrees of freedom at each node has been established for the first time. Numerical example indicates that the element is effective and the result has high accuracy.

关 键 词：固体力学 数值方法 有限元 压电致动器 复合材料夹层板 四结点矩形单元 

分 类 号：O342[理学—固体力学]