<s>
High-performance	B-Operating_System
technical	I-Operating_System
computing	I-Operating_System
(	O
HPTC	B-Operating_System
)	O
is	O
the	O
application	O
of	O
high	B-Architecture
performance	I-Architecture
computing	I-Architecture
(	O
HPC	O
)	O
to	O
technical	O
,	O
as	O
opposed	O
to	O
business	O
or	O
scientific	O
,	O
problems	O
(	O
although	O
the	O
lines	O
between	O
the	O
various	O
disciplines	O
are	O
necessarily	O
vague	O
)	O
.	O
</s>
<s>
HPTC	B-Operating_System
often	O
refers	O
to	O
the	O
application	O
of	O
HPC	O
to	O
engineering	O
problems	O
and	O
includes	O
computational	O
fluid	O
dynamics	O
,	O
simulation	B-Application
,	O
modeling	O
,	O
and	O
seismic	O
tomography	O
(	O
particularly	O
in	O
the	O
petrochemical	O
industry	O
)	O
.	O
</s>
