肘形屏蔽体辐射衰减率的仿真研究

一个快速的数字解析法被提出来计算从放射线源到评价点的视线所穿透肘形屏蔽物体的交点，由这肘形屏蔽领域的交点可快速预测辐射屏蔽衰减率，首先，在一个新的坐标系上建立了肘形物体的数学模型，然后，用迭代法解高次方程，最后，用空间坐标变换的方法来变换交点，该文中显示了肘形物体的四个交点的计算结果。

The Simulation in Elbow about Radioactive Shield Attenuation

As a rapid calculation of Radioactive Shield Attenuation in elbow, the cross points penetrated through the elbow shielded region from source points to the detector point have been studied via numerical analysis. From the cross points through the elbow shielded region, the geometric attenuation can be rapidly determined in advance. First, the elbow mathematical model has been built in a new space coordinate. Second, an iterative method has been developed for solving the high-order equation. Finally, the cross points have been alternated by space alternate coordinate. As the results of computation, differences of the four cross points in elbow are shown in this Paper.