Epp - A C++ EGSnrc user code for Monte Carlo simulation of radiation transport

Congwu Cui; Jonas Lippuner; Harry R. Ingleby; David N. M. Di Valentino; Idris A. Elbakri

doi:10.1117/12.844419

23 March 2010 Epp - A C++ EGSnrc user code for Monte Carlo simulation of radiation transport

Congwu Cui, Jonas Lippuner, Harry R. Ingleby, David N. M. Di Valentino, Idris A. Elbakri

Proceedings Volume 7622, Medical Imaging 2010: Physics of Medical Imaging; 762251 (2010) https://doi.org/10.1117/12.844419
Event: SPIE Medical Imaging, 2010, San Diego, California, United States

Abstract

Easy particle propagation (Epp) is a Monte Carlo simulation EGSnrc user code that we have developed for dose calculation in a voxelized volume, and to generate images of an arbitrary geometry irradiated by a particle source. The dose calculation aspect is a reimplementation of the function of DOSXYZnrc with new features added and some restrictions removed. Epp is designed for x-ray application, but can be readily extended to trace other kinds of particles. Epp is based on the EGSnrc C++ class library (egspp) which makes modeling particle sources and simulation geometries simpler than in DOSXYZnrc and other BEAM user codes based on EGSnrc code system. With Epp geometries can be modeled analytically or voxelized geometries, such as those in DOSXYZnrc, can be used. Compared to DOSXYZnrc (slightly modified from the official version for saving phase space information of photons leaving the geometry), Epp is at least two times faster. Photon propagation to the image plane is integrated into Epp (other particles possible with minor extension to the current code) with an ideal detector defined. When only the resultant images are needed, there is no need to save the particle data. This results in significant savings of data storage space, network load, and time for file I/O. Epp was validated against DOSXYZnrc for imaging and dose calculation by comparing simulation results with the same input. Epp can be used as a Monte Carlo simulation tool for faster imaging and radiation dose applications.

Citation Download Citation

Congwu Cui, Jonas Lippuner, Harry R. Ingleby, David N. M. Di Valentino, and Idris A. Elbakri "Epp - A C++ EGSnrc user code for Monte Carlo simulation of radiation transport", Proc. SPIE 7622, Medical Imaging 2010: Physics of Medical Imaging, 762251 (23 March 2010); https://doi.org/10.1117/12.844419

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