The calculated results from code TPHEX-C and Monto Carlo method are all in good agreement.The TPHEX-C code can be used for the hexagonal geometry assembly for LWR.

• 根据提出的模型，编制了TPHEX-C程序，并对六角形组件进行了计算，结果与蒙特卡罗方法计算的结果符合良好。