The approximated solution isobtained by Moving Least Square Method (MLS).EFM requires only the definition of aset of nodes distributed over the entire analysis region without element.

• 其基本思想是将计算场域离散成若干个点,由滑动最小二乘法来拟合场函数,只需节点信息,从而摆脱了单元的限制。