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首页> 外文期刊>Journal of intelligent material systems and structures >Active shape and vibration control of functionally graded thin plate using functionally graded piezoelectric material
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Active shape and vibration control of functionally graded thin plate using functionally graded piezoelectric material

机译:功能梯度压电材料对功能梯度薄板的主动形状​​和振动控制

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摘要

This article deals with the geometric nonlinear static and dynamic analyses of thin functionally graded structure sandwiched between functionally graded piezoelectric materials. The properties of functionally graded material are graded in thickness direction according to power law distribution, and the variation in electric potential is assumed to be quadratic across the thickness of functionally graded piezoelectric material layers. The functionally graded material structure is modeled using finite element modeling considering complete Green-Lagrangian strains. The finite element formulation is derived using Hamilton's principle based on first-order shear deformation theory. The ensued nonlinear algebraic equations are then solved using the modified Newton-Raphson method. Shape and vibration control of functionally graded plate is presented using functionally graded piezoelectric material. Fuzzy logic controller is used to control the vibrations. The numerical results predict that functionally graded piezoelectric material can control the shape and vibration of functionally graded plate.
机译:本文涉及夹在功能梯度压电材料之间的薄功能梯度结构的几何非线性静态和动态分析。功能梯度材料的特性根据幂律分布在厚度方向上分级,并且假定电势的变化在功能梯度压电材料层的整个厚度上是二次方的。考虑到完整的格林-拉格朗日应变,使用有限元建模对功能分级的材料结构进行建模。基于一阶剪切变形理论,使用汉密尔顿原理导出了有限元公式。然后使用改进的Newton-Raphson方法求解随后的非线性代数方程。功能梯度板的形状和振动控制提出了使用功能梯度压电材料。模糊逻辑控制器用于控制振动。数值结果表明,功能梯度压电材料可以控制功能梯度板的形状和振动。

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