基于微扰计算,提出一种新的蒙特卡罗临界搜索方法。该方法仅需要对初始系统进行一次临界计算,利用临界计算结果及微扰计算结果,对有效增殖因子变化曲线进行估计,并以此为基础得到临界搜索的结果。计算结果表明,该方法可有效、准确地对临界搜索问题进行计算,并有效地克服了传统方法的不足。 Based on the perturbation calculation, a new Monte Carlo critical search method is proposed. The method only needs to make a critical calculation for the initial system, and uses the critical calculation result and the perturbation calculation result to estimate the change curve of the effective proliferation factor, and based on it, the result of the critical search is obtained. The calculation results show that this method can effectively and accurately calculate the critical search problem and effectively overcome the shortcomings of the traditional methods.