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build-up/down filtering to mitigate discontinuities

Doses will change too fast at material/tissue interfaces when just applying an effective

depth correction. To model gradual changes at material interfaces, a correction is

introduced based on a convolution using a build-up kernel along the depth direction.

Without correction

With correction

L Korhonen (2009) m

PhD thesis

, Department of Biomedical Engineering and Computational Science, Helsinki

University of Technology

calculation techniques – heterogeneity handling in Eclipse AAA: