DPM. Parallelization of Monte Carlo Code DPM and Its Application to Precise Radiotherapy Chinese Journal of Medical Physics Vol.31. No.

Transcription

1 Sep., Chinese Journal of Medical Physics Vol.31. No.5 DPM 1,2, 2, 2, 1,2, 2, FDS (1., ; 2., ) : : ( ),, :, ( ),, ; ;, :,,,,, :, : ; ; ; DOI : doi: /j.issn x : : : X(2014) Parallelization of Monte Carlo Code DPM and Its Application to Precise Radiotherapy Abstract:Objective: Methods: Results: Conclusions: Key words: : : ; ; ) : (1990-),,, :, liqin.hu@fds.org.cn,,,

2 ( ),,, ( ),,, ),,,,,,,,, ( ),, ( ),,,, (, ),,,,,, ( ),,,,, 1 DPM ( ),,,, 1 DPM Fig.1 The Flow Chart of The Parallelization of, The Monte Carlo Code DPM, 2,, ( : ), ( : ), (,

3 : :,,,, ( ),,, ( ) : :, ( ),, ( ), ( ) ( ( ), ), ( ( )),,, 2 Fig.2 Irregular radiation field 3 PE 24 CT 1 Tab.1 The Comparations of Calculation Results And Calculation Time Between DPM Serial And Parallel Codes UW PE (min) (min) (%) Gamma (%) ,, :,, Fig.3 CT Scan of The 24th Slice of PE Model, :,,,,,,,,,, ( 4,, ),

4 (a) (b) 4 DPM Fig.4 The Dose Distribution Obtained From The Serial And Parallel Calculations in The Homogeneous Water Model (a) Percentage Depth Dose(PDD), (b) Off-axis Ratio(OAR) (a) 5 DPM Fig.5 The Dose Distribution Obtained From The Serial And Parallel Calculations in The Clinic Prostate Case (a) Percentage Septh Dose(PDD),(b) Off-axis Ratio(OAR), Using Monte Carlo M ethod in Radiotherapy [J].Chinese Journal of Medical Physics. 2010,27(3): [4] Y. Wu, G. Song, R. Cao, et al. Development of Accurate/Advanced,, Radiotherapy Treatment Planning and Quality Assurance System, (ARTS)[J]. Chinese Physics C (HEP & NP),2008, 32(Suppl. II): ,,,. ARTS [J]. : C(HEP NP),2008,32( II): [5],,,. ARTS [1],. [M]. [J].,2005, 22(6): Wu Yi Can, :,1980. Pei Lu Cheng,Zhang Xiao Ze. Monte Carlo Li Guo Li, Tao Sheng Xiang, et al.research and Development of Accurate/Advanced Radiotherapy Treatment Planning System[J].Chinese method and its application in particle transport problem [M].Beijing: Science Press, Journal of Medical Physics,2005,22(6): [2] Josep Sempau, Scott J Wilderman,Alex F Bielajew. DPM, a fast, accurate Monte Carlo code optimized for photon and electron radiothera- [6] Y. Wu, FDS Team. CAD-based interface programs for fusion neutron transport simulation[j]. Fusion Engineering and Design, 2009, 84 (7- py treatment planning dose calculations[j].phys Med Biol,2000, 45(8): 11), ,FDS. CAD Josep Sempau, Scott J Wilderman,Alex F Bielajew. [J].,2009,84(7-11), DPM, [7] Wu YC, Xie ZS, Fischer U. A discrete ordinates nodal method for [J].,2000,45(8): one -dimensional neutron transport calculation in curvilinear geometries[j]. NUCLEAR SCIENCE AND ENGINEERING, 1999, 133 (3): [3],,,. DPM ,,Fischer U. [J] ,27(3): Liu Jian Ping, Xu Shou Ping, Li Xiu Zhong, et al. Study of Dose Calculation (b) ( )

5 [12],,. [J].2005,29 (2): LUO YaZhong, TANG GuoJing, TIAN Lei. The global optimal control problem of simulated annealing algorithm[j].2005,29(2): [13] Johanes C.A. Dimopoulos et al., Dose effect relationship for local control of Cervical cancer by magnetic resonance image -guided brachytherapy [J].Radiotherapy and Oncology, 2009,93, Johanes C.A. Dimopoulos et al., Oncology Biol. Phys., 2012,82(2), Petra Georg et al., MRI [J],, 2012,82 (2), [15] Richard Potter et al., Recommendations from Gynaecological (GYN) GEC ESTRO working group (II): Concepts and terms in 3D imagebased treatment planning in cervix cancer rachytherapy 3D dose MRI volume parameters and aspects of 3D image-based anatomy, radiation physics, radiobiology, Radiotherapy and Oncology, 2006,78, 67 [J]., 2009,93, Richard Potter et al., - [14] Petra Georg et al., Dose Effect Relationship for Late Side Effects of (II): the Rectum and Urinary Bladder in Magnetic Resonance Image -, Guided Adaptive Cervix Cancer Brachytherapy [J], Int. J.Radiation [J],, 2006,78, ( ) [J].,1999,133(3): Hui, Xu Liang Feng, Xu Yuan Ying,et al. Effect of Phantom Size on Speed and Accuracy for Different MC Codes[J]. Nuclear Physics Review,2007,24(4): [8],,,. [J].,2007, 27 (3): Wu Yi Can, [14],,. [J]. Liu Ping, Hu Li Qin,et al. Research and Development of probability,2006, 29(1): Chen Chao Bin, Huang Qun Ying, Wu Yi safety analysis software system in Nuclear safety [J]. Nuclear Science Can. Application of Monte Carlo techniques in radiation treatment and Engineering,2007,27(3): planning[j]. Nuclear Techniques, 2006,29(1): [9]. [J]. [15],,. MPI,2003,9 (1): Wu Ai Dong. Quality Assurance and Dose Verification of Intensity-modulated radiation therapy [J]. Anhui Journal of Prevent Medicine,2003,9(1): [10], [J].,2009, 39(5): Li Guo Li, Zhou Jin Bin, Lin Hui, et al. A fast finite size pencil beams method based on Monte Carlo method[j].journal of University of Science and Technology of China,2009, 39(5): [11],,,. [J]., 2008, 25 (2): Lin Hui, Chen Dong Ying, Wu Dong Sheng, et al. Effect of Phantom Thickness Variation on Speed and Efficiency for Different MC Codes[J]. Nuclear Physics Review, 2008,25(2): [M]. :,2001. Du Zhi Hui, Li San Li, Chen Yu, Liu Peng. High performance computing,parallel programming technology - MPI parallel programming [M].Beijing:Ts-,. Monte Carlo inghua University press,2001. MC [12],,,. MCNP EGSnrc DPM [J].,2007, 27(5): Lin Hui, Song Gang, Zhao Pan,et al. Comparisons between Monte Carlo codes:mcnp, EGSnrc and DPM in radiotherapy dose calculation[j]. Chin J Radiol Med Prot,2007,27(5): [13],, [J].,2007, 24(4): Lin [16],. GPU [J] ,29(6): Gan Yang Gu,Huang Fei Zeng. GPU-based Parallel Monte Carlo Simulation for Radiotherapy Dose Calculation [J].Chinese Journal of Medical Physics.2012,29(6): [17] Andreu Badal, Josep Sempau. A Package of Linux scripts for the parallelization of Monte Carlo simulations [J]. Computer Physics Communications, 2006, 175: Andreu Badal, Josep Sempau. Linux [J].,2006,175: [18],. Pinnacle Gamma [J]..2011,35(6): Zhang Jian Ying, Jiang Tao. Research of Gamma pass rate of Intensity-modulated radiation therapy verification in Pinnacle planning system [J]. Chinese,. Journal of Medical Instrumentation.2011,35(6):