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laser S-ENAT
and O
electron B-CONPRI
beam E-CONPRI
powder O
bed B-MANP
fusion E-MANP
process O
at O
the O
mesoscale S-CONPRI
with O
an O
in-house O
developed O
advanced O
multiphysical O
numerical O
tool S-MACEQ
. O
The O
hydrodynamics O
and O
thermal B-PRO
conductivity E-PRO
core S-MACEQ
of O
the O
tool S-MACEQ
is O
based O
on O
the O
lattice S-CONPRI
Boltzmann O
method O
. O
The O
numerical O
tool S-MACEQ
takes O
into O
account O
the O
random O
distributions S-CONPRI
of O
powder B-MATE
particles E-MATE
by O
size O
in O
a O
layer S-PARA
and O
the O
propagation O
of O
the O
laser S-ENAT
( O
electron B-CONPRI
beam E-CONPRI
) O
with O
a O
full O
ray O
tracing O
( O
Monte O
Carlo O
) O
model S-CONPRI
that O
includes O
multiple O
reflections O
, O
phase S-CONPRI
transitions O
, O
thermal B-PRO
conductivity E-PRO
, O
and O
detailed O
liquid O
dynamics O
of O
the O
molten B-MATE
metal E-MATE
, O
influenced O
by O