<s>
Silo	B-Application
is	O
a	O
computer	O
data	O
format	O
and	O
library	B-Library
developed	O
at	O
Lawrence	O
Livermore	O
National	O
Laboratory	O
(	O
LLNL	O
)	O
for	O
storing	O
rectilinear	O
,	O
curvilinear	O
,	O
unstructured	O
,	O
or	O
point	O
meshes	B-Algorithm
in	O
2D	O
and	O
3D	O
.	O
</s>
<s>
It	O
supports	O
data	O
upon	O
those	O
meshes	B-Algorithm
,	O
including	O
scalar	O
,	O
vector	O
,	O
and	O
tensor	O
variables	O
;	O
volume	O
fraction-based	O
materials	O
;	O
and	O
mass	O
fraction-based	O
species	O
.	O
</s>
<s>
It	O
fully	O
supports	O
block	O
structured	O
adaptive	B-Algorithm
mesh	I-Algorithm
refinement	I-Algorithm
(	O
AMR	O
)	O
meshes	B-Algorithm
by	O
way	O
of	O
mesh	B-Algorithm
blocks	O
structured	O
in	O
a	O
hierarchy	O
.	O
</s>
<s>
Silo	B-Application
sits	O
on	O
top	O
of	O
other	O
low-level	O
storage	O
libraries	O
such	O
as	O
PDB	O
,	O
NetCDF	B-Application
,	O
and	O
HDF5	B-Application
.	O
</s>
<s>
Currently	O
,	O
VisIt	O
,	O
an	O
open	B-Application
source	I-Application
software	I-Application
package	O
with	O
its	O
start	O
at	O
LLNL	O
,	O
supports	O
the	O
Silo	B-Application
format	O
for	O
visualization	B-Application
and	O
analysis	O
,	O
among	O
many	O
other	O
formats	O
.	O
</s>
