<s>
MELCOR	B-Application
is	O
a	O
fully	O
integrated	O
,	O
engineering-level	O
computer	O
code	O
developed	O
by	O
Sandia	O
National	O
Laboratories	O
for	O
the	O
U.S.	O
Nuclear	O
Regulatory	O
Commission	O
to	O
model	O
the	O
progression	O
of	O
severe	O
accidents	O
in	O
nuclear	O
power	O
plants	O
.	O
</s>
<s>
A	O
broad	O
spectrum	O
of	O
severe	O
accident	O
phenomena	O
in	O
both	O
boiling	O
and	O
pressurized	O
water	O
reactors	O
is	O
treated	O
in	O
MELCOR	B-Application
in	O
a	O
unified	O
framework	O
.	O
</s>
<s>
MELCOR	B-Application
applications	O
include	O
estimation	O
of	O
severe	O
accident	O
source	O
terms	O
,	O
and	O
their	O
sensitivities	O
and	O
uncertainties	O
in	O
a	O
variety	O
of	O
applications	O
.	O
</s>
