Galerkin方法,这是一种真正的无网格方法.这种方法采用移动最小二乘函数采近似解变量,并且采用移动最小二乘近似函数的权函数作为加权残值法的权函数.文中对形成的离散动力学方程用Newmark方法求解-Galerkin method, this is a real meshless method. This method adopts moving least squares in function approximation solution variables, and adopts mov