给出了求解具有周期边界条件色散方程近似解的交替分组迭代法。
The alternating group iterative method for the dispersive equation with periodic boundary condition is presented.
由于移动最小二乘法的近似函数不一定精确地通过计算点，从而使本质边界条件的施加和集中载荷的处理变得复杂。
This is a disadvantage of EFGM as it suffers from problems in the imposition of essential boundary conditions and the application of point loads.
远场边界条件由无穷远处的条件近似代替。
The boundary condition at farfield is approximated by that at infinite.
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