The expressions of the displacements and stress components are obtained in term of the midsurface displacement and the derivatives.
首先将板内的位移利用中面上位移及其沿梁厚方向的梯度表示出来，并获得梁内应力张量。
The expressions of the displacements and stress components are obtained in term of the midsurface displacement and the derivatives.
首先将板内的位移利用中面上位移及其沿梁厚方向的梯度表示出来，并获得梁内应力张量。
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