This paper compared several mechanical models with transverse shear deformation and put forward a kind of layer model assuming that shear stresses vary parabolically through the plate thickness.

比较了考虑横向剪切变形的几种力学模型，提出了一种新的假定剪应力沿板厚呈抛物线分布的分层模型。

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A kind of finite segment element model for analysis of shear lag effect in plate and truss composite girder is proposed. The model avoids certain deficiencies in conventional calculations.

提出一种板桁结合梁剪滞效应分析的有限段单元模型，避免了常规计算方法中的某些不足。

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This paper set out from the high order shear deformation theory at first, and utilize the spline finite point method to set up a new dynamic model of piezoelectric intellectual plate.

本文首先从高阶剪切变形理论出发，利用样条有限点法，建立了压电智能层合板新的动力模型；

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