射线检测建模及仿真
Modeling and Simulation of Radiographic Non-destructive Testing
摘 要
针对设计或准备一个X射线检测系统较为困难的问题, 提出了利用仿真建模的方法, 进行X射线检测研究。讨论了X射线透视仿真的研究现状和算法, 对典型零件以及缺陷进行了CAD建模, 提出了孔洞、杂质的仿真方法, 对X射线检测系统进行了仿真, 生成高质量仿真图像, 用于检测系统的参数调节以及评估。对于提高工业、医疗内视设备的研发和工作效率等方面具有广阔的应用前景。
算法
仿真
Radiography modeling
Algorithms
Simulation
Abstract
Aiming at the problem of designing or preparing an X-ray testing system, the method through modeling and simulation was proposed. The current status and new horizons in the algorithmic simulation of X-ray imaging were discussed. A typical industrial product and its cavity and inclusion defects were modeled as CAD models. The radiographic simulation methods for lack-of-material and impurity were presented, and the whole radiographic testing system was simulated. High-quality radiographs were generated, which could be used as parameter adjastment and evaluation for NDT system. This work could be widely used in the process of research and development of NDT setups in industry and medicine as well as its operation efficiency improvement.
中图分类号 TG115.28
所属栏目 试验研究
基金项目
收稿日期 2008/11/18
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备注李宁(1973-), 男, 博士, 副研究员, 研究方向为建模/仿真、虚拟现实技术。
引用该论文: LI Ning,LI Na,WANG Zhan-Jun,LIU Xu-Sheng,ZHANG Song-Jun,WANG Ping. Modeling and Simulation of Radiographic Non-destructive Testing[J]. Nondestructive Testing, 2009, 31(8): 634～638
李宁,李娜,王战军,刘旭升,张松军,王平. 射线检测建模及仿真[J]. 无损检测, 2009, 31(8): 634～638
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参考文献
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【2】Bordas Stephane P A, Conley James G, Moran Brian, et al. A simulation-based design paradigm for complex cast components[J]. Engineering with Computers,2007,23: 25-37.
【3】Ravindran V R, Sreelekshmi C, Pillai VP Mahadevan. Mathematical modelling of the X-ray image of solid rocket motor for quantitative analysis[J]. Insight–Non-Destruct Test Condition Monitor,2006,48(1): 21-25.
【4】Mery D, Hahn D, Hitschfeld N. Simulation of defects in aluminium castings using CAD models of flaws and real X-ray images[J]. Insight – Non-Destruct Test Condition Monitor,2005,47(10): 618-624.
【5】Bottigli U, Brunetti A, Golosio B, et al. Voxel-based Monte Carlo simulation of X-ray imaging and spectroscopy experiments[J]. Spectrochimica Acta Part B,2004,59: 1747-1754.
【6】Li N, Kim S H, Suh J H, et al. Virtual X-ray imaging techniques in an immersive casting simulation environment[J]. Nucl Instrum Methods B,2007,262(1): 143-152.
【7】Li N, Zhao H X, Cho S H, et al. A fast algorithm for voxel-based deterministic simulation of X-ray imaging[J]. Computer Physics Communications,2008,178(7): 518-523.
【8】Bernardini A, Fanti V, Marzeddu R, et al. A simulation tool for X-ray imaging systems[C]. in: IEEE Nuclear Science Symposium Conference,2004,5: 3071-3074.
【9】黄魁东,张定华,刘晶,等.一种基于STL样本的锥束CT快速仿真方法[J]. 系统仿真学报,2007,19(11): 2578-2582.
【10】Duvauchelle P, Freud N, Kaftandjian V, et al. A computer code to simulate X-ray imaging techniques[J]. Nucl Instrum Methods B,2000,170: 245-258.
【11】Miceli A, Thierry R, Flisch A, et al. Monte Carlo simulations of a high-resolution X-ray CT system for industrial applications[J]. Nuclear Instruments and Methods in Physics Research A,2007,583: 313-323.
【12】Freud N, Letang J M, Babot D. A hybrid approach to simulate X-ray imaging techniques, combining Monte Carlo and deterministic algorithms[J]. IEEE Trans Nucl Sci,2005,52(5): 1329-1334.
【13】Freud N, Duvauchelle P, Letang JM, et al. Fast and robust ray casting algorithms for virtual X-ray imaging[J]. Nucl Instrum Methods B,2006,248: 175-180.
【14】Siddon R L. Fast calculation of the exact radiological path for a three-dimensional CT array[J]. Med Phys,1985,12(2): 252-255.
【15】Jacobs F, Sundermann E, Sutter B De, et al. A fast algorithm to calculate the exact radiological path through a pixel or voxel space[J]. Journal of Computing and Information Technology,1998,6(1): 89-94.
【16】Zhao H, Reader A J. Fast ray-tracing technique to calculate line integral paths in voxel arrays[C]. in: IEEE Nuclear Science Symposium,2003,4: 2808-2812.
【17】Laney D, Callahan S P, Max N, et al. Hardware-accelerated simulated radiography[C]. in: Proceedings of IEEE Visualization 2005, 2005: 343-350.
【18】Lorensen W E, Cline H E. Marching Cubes: A High Resolution 3D Surface Construction Algorithm[C]. in: Proceedings of SIGGRAPH 1987,1987.
【19】Kobbelt Leif P, Botsch Mario, Schwanecke Ulrich, et al. Feature Sensitive Surface Extraction from Volume Data[C]. in: Proceedings of SIGGRAPH 2001,2001.
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