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2. inhomogeneities

The method inherently accounts for inhomogeneities assuming

material properties are constant within each computational element

(!!! restriction on computational element size !!!)

through:

μ

t,g

, μ

s,l,g

primary fluence ray tracing

dose calculation







)(

1

)( ,

)(

1

,

)(

1 )(

r coll

g

P

p

r unc

gp

r

G

g

gen

r

rD







)(

1

)( ,

)(

1

,

1 )(

r coll

g

P

p

r unc

gp

r

G

g

water

gen

water

rD

(note that D is calculated as a post processing operation)