其中，对于位移插值函数，令其多项式基比孔隙水压力的高一阶，而径向基阶数二者相同。
This method uses one-rank higher polynomial interpolation for displacement than that for pore water pressure, but the rank of radial basis for them is the same.
在此基础上，结合拉格朗日插值函数推导出了考虑施工顺序及遮栏效应的群桩挤土位移场的解析解。
Based on the analytical expressions of singe pile and Lagrange interpolating function, the closed-form analytical expressions of displacement fields of soil around jacked group piles were derived.
给出了无限边界元法的位移和面力插值函数，这些插值函数中含有衰减函数。
Displacement and traction interpolation functions, containing attenuation functions, are given by using this method.
本方法采用线性函数作为横截面翘曲位移的插值函数，适用于任意横截面形状和任意边界条件的薄壁杆件。
A linear function is used to express the warping displacements along the cross section of the thin-walled member.
本方法采用线性函数作为横截面翘曲位移的插值函数，适用于任意横截面形状和任意边界条件的薄壁杆件。
A linear function is used to express the warping displacements along the cross section of the thin-walled member.
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