Chinese Physics C > 2004, Vol. 28 > Issue(6): 669-674

Mix Mesh Sizes Arithmetic Research of BNCT Dose Rate Calculations by Monte Carlo Method

Graduate School of China Academe of Engineer Physics,Beijing 100088,China2 Laboratory of Computational Physics,Institute of Applied Physics and Computational Mathematics,Beijing 100088,China

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Abstract：
Single mesh size phantoms are usually used in the calculations of BNCT dose rate by Monte Carlo method, such as 4mm, 8mm, 16mm. The result with 16mm mesh size model simulations produce unacceptable accuracies. Although the 4mm model simulation has a good precision, it costs lots of memories and computation time. The mixed mesh size model has the same precision as 4mm model, but its computation time is only 37% of that.

References

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. Rorer D et al. Current Status of neut ron capture therapy, IAEA, 20012. Briesmeist er J F ( Editor) . MCNP-A General Monte Carlo Code for N-Particle Transport Code, LA-12625-M, March, 19973. QIU You-Heng, DENG-Li, YING Yang-Jun et al . HEP NP, 2003,27( 10) : 936 - 942(in Chinese)(邱有恒,邓力,应阳君等.高能物理与核物理,2003,27(10):936—942) 4. Goorley J T et al. Medical Physics, 2002, 29: 145 -1565. ICRU44. International Commission on Radiation Units and Measurement s, Bethesda, 1992, MD6. ICRU63. International Commission on Radiation Units and Measurement s, Bethesda, 2000, MD7. Zamenhof R, Redmond E, Solares G et al. Int . J. Radiation Oncology Biol. Phys. , 1996, 35( 2) : 383- 397

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QIU You-Heng, DENG Li and YING Yang-Jun. Mix Mesh Sizes Arithmetic Research of BNCT Dose Rate Calculations by Monte Carlo Method[J]. Chinese Physics C, 2004, 28(6): 669-674.

QIU You-Heng, DENG Li and YING Yang-Jun. Mix Mesh Sizes Arithmetic Research of BNCT Dose Rate Calculations by Monte Carlo Method[J]. Chinese Physics C, 2004, 28(6): 669-674. shu

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Received: 2003-09-08
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Mix Mesh Sizes Arithmetic Research of BNCT Dose Rate Calculations by Monte Carlo Method

Corresponding author:QIU You-Heng,

Graduate School of China Academe of Engineer Physics,Beijing 100088,China2 Laboratory of Computational Physics,Institute of Applied Physics and Computational Mathematics,Beijing 100088,China

Received Date:2003-09-08
Accepted Date:1900-01-01
Available Online:2004-06-05

Abstract:Single mesh size phantoms are usually used in the calculations of BNCT dose rate by Monte Carlo method, such as 4mm, 8mm, 16mm. The result with 16mm mesh size model simulations produce unacceptable accuracies. Although the 4mm model simulation has a good precision, it costs lots of memories and computation time. The mixed mesh size model has the same precision as 4mm model, but its computation time is only 37% of that.