The partial flux expansion techniques are compared and evaluated among the nodal expansion method(NEM),the nodal Green s function method(NGFM),and the nodal Fourier expansion method (NFEM).

• 比较了节块展开法(NEM)、节块格林函数法(NGFM)和节块傅立叶展开法(NFEM)的偏中子通量展开技术,证明了NFEM的精度高于任何有限阶NEM,而与NGFM相当。