Resolution Monte Carto dosage computing method
A calculation method and dose technology, applied in the field of analytical Monte Carlo dose calculation, can solve the problems of long time, time-consuming, and not fully considering the real situation of charged particle motion, etc., and achieve good calculation speed and good accuracy.
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[0037] The calculation process for realizing the present invention includes the following contents:
[0038] 1. An accurate multi-algorithm photon accelerator source inversion method is implemented through the following steps:
[0039] The first step is to obtain the single-energy depth dose curve PPD in the water model. The single-energy depth dose curve is simulated by the Monte Carlo program EGSnrc used internationally by simulating a single-direction vertically incident photon in a 10cm×10cm or larger field. The energy deposition is obtained, the energy is from 0 to 30MeV or more;
[0040] In the second step, use the three-dimensional water tank measurement to obtain the percent depth dose curve; use the automatic water tank to measure the accelerator PDD curve: adjust the angle of the accelerator head and the frame to 0 degrees, place the water tank on the level ground, and connect the center point of the water tank to the center point of the accelerator head. The line i...
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