辐射成像系统模拟软件NUCRPD的研发与应用

发布时间：2018-07-11 15:35

  本文选题：蒙特卡罗方法 + Geant　； 参考：《强激光与粒子束》2017年12期

【摘要】：在辐射成像系统的设计研发中,经常需要计算系统的各项物理性能指标。为了提升产品研发的效率,同方威视联合清华大学,基于蒙特卡罗程序包Geant4,研发了国内首套具有自主知识产权的辐射成像系统模拟软件NucRPD(NUCTECH Radiography Performance Design Tools),其能够快速、精确地模拟系统的各项性能指标。该软件对常用的一些辐射成像系统进行了参数化建模,用户通过修改软件界面上的少量参数,就可以快速建立各类辐射成像系统的几何体、源项、物理模型和统计量,然后在服务器上以并行计算方式完成模拟计算,能在较短的时间内模拟出系统的性能指标,并给出直观的图形帮助用户深入理解模拟结果。NucRPD的模拟结果经过了大量的实验验证,其剂量场分布和物理指标等模拟结果和实验结果符合得很好。NucRPD已经应用于同方威视辐射成像系统产品的设计研发,在产品的物理指标优化和辐射防护优化中发挥了重要作用。
[Abstract]:In the design and development of radiation imaging system, we often need to calculate the physical performance indexes of the system. In order to improve the efficiency of product research and development, the same Fang Wei, Tsinghua University, based on the Monte Carlo program package Geant4, developed the first set of NucRPD (NUCTECH Radiography Per) software (NUCTECH Radiography Per) with independent intellectual property rights. Formance Design Tools), which can quickly and accurately simulate the performance indicators of the system. The software is parameterized for some commonly used radiography systems. By modifying a small number of parameters on the software interface, the user can quickly establish the geometry, source, physical model and statistics of various radiography systems. The simulation calculation can be completed by parallel computing on the server. It can simulate the performance index of the system in a short time, and give the intuitive graphics to help the users understand the simulation results.NucRPD. The simulation results of the simulation results have been verified by a large number of experiments. The simulation results of the dose field distribution and physical and physical indexes are in good agreement with the experimental results. Good.NucRPD has been applied to the design and development of the products of the same square vision radiation imaging system. It plays an important role in optimizing the physical index of the product and optimizing the radiation protection.
【作者单位】： 同方威视技术股份有限公司;清华大学工程物理系;
【分类号】：O434.19;TP391.41
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本文编号：2115700