TY - CONF A1 - Bellon, Carsten A1 - Zhukovskiy, M. A1 - Markov, M. A1 - Podolyako, S. A1 - Uskov, R. A1 - Jaenisch, Gerd-RĂ¼diger T1 - Supercomputing the cascade processes of radiation transport N2 - Modeling of the photon-electron cascade progress in multicomponent objects of complex geometrical structure by use of hybrid supercomputers is considered. An approach to computing the cascade processes is developed. The approach has three key properties allowing the effective use of heterogeneous structure of computers for solving the tasks of radiation transport in complex multi-scale geometries. Firstly, two different discreet geometrical description of an object being under radiation is used: triangulated model for photon transport and voxel model for electron transport. Secondly, small parameter of the problem is explicitly taking into account for modeling surface effects (for instance, electron emission). Thirdly, the effective calculation decomposition between CPU and GPU is developed for significant increasing the speed of calculations of processes in question. Modeling of experiment on researching the bremsstrahlung generated by electron beam in Ta target is carried out. Comparison of computing and experimental results shows satisfactory consent. T2 - 19th World Conference on Nondestructive Testing CY - Munich, Germany DA - 13.06.2016 KW - Super somputing KW - Photon-electron transport KW - Monte Carlo methods KW - Modelling PY - 2016 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:b43-365932 SN - 978-3-940283-78-8 VL - 158 SP - 1 EP - 6 PB - DGZfP CY - Berlin, Germany AN - OPUS4-36593 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -