<s>
FEBio(Finite Elements for Biomechanics )	O
is	O
a	O
software	B-Application
package	I-Application
for	O
finite	B-Application
element	I-Application
analysis	I-Application
and	O
was	O
specifically	O
designed	O
for	O
applications	O
in	O
biomechanics	O
and	O
bioengineering	O
.	O
</s>
<s>
FEBio	B-Algorithm
offers	O
modeling	O
scenarios	O
,	O
constitutive	O
models	O
,	O
and	O
boundary	O
conditions	O
that	O
are	O
relevant	O
to	O
numerous	O
research	O
areas	O
and	O
specializes	O
in	O
the	O
analysis	O
of	O
3D	O
multiphysics	O
models	O
that	O
can	O
undergo	O
large	O
deformations	O
.	O
</s>
<s>
FEBio	B-Algorithm
supports	O
both	O
quasi-static	O
and	O
dynamic	O
analyses	O
.	O
</s>
<s>
A	O
more	O
detailed	O
overview	O
of	O
FEBio	B-Algorithm
's	O
features	O
follows	O
below	O
.	O
</s>
<s>
The	O
source	O
code	O
for	O
FEBio	B-Algorithm
is	O
publicly	O
available	O
and	O
,	O
as	O
of	O
version	O
2.9	O
,	O
distributed	O
under	O
the	B-License
MIT	I-License
License	I-License
.	O
</s>
<s>
Older	O
versions	O
are	O
available	O
under	O
a	O
custom	O
license	O
and	O
are	O
not	O
considered	O
Open-source	B-Application
software	I-Application
because	O
they	O
are	O
only	O
free	O
for	O
non-commercial	O
use	O
.	O
</s>
<s>
FEBio	B-Algorithm
supports	O
a	O
plugin	O
framework	O
that	O
allows	O
users	O
to	O
easily	O
extend	O
and	O
customize	O
the	O
set	O
of	O
features	O
for	O
their	O
specific	O
needs	O
.	O
</s>
<s>
Using	O
this	O
plugin	O
framework	O
users	O
can	O
develop	O
new	O
constitutive	O
models	O
,	O
boundary	O
conditions	O
,	O
body	O
loads	O
,	O
nonlinear	O
constraints	O
,	O
and	O
even	O
new	O
finite	B-Application
element	I-Application
solvers	I-Application
(	O
see	O
e.g.	O
</s>
<s>
A	O
more	O
complete	O
list	O
can	O
be	O
found	O
in	O
the	O
FEBio	B-Algorithm
User	O
's	O
manuals	O
.	O
</s>
<s>
FEBio	B-Algorithm
is	O
a	O
command-line	O
application	O
that	O
only	O
implements	O
the	O
solver	O
algorithms	O
.	O
</s>
<s>
To	O
assist	O
with	O
setting	O
up	O
FEBio	B-Algorithm
models	O
and	O
analyzing	O
the	O
results	O
,	O
the	O
FEBio	B-Algorithm
Studio	O
software	O
was	O
developed	O
.	O
</s>
<s>
FEBio	B-Algorithm
Studio	O
is	O
the	O
newest	O
development	O
platform	O
for	O
creating	O
,	O
running	O
,	O
and	O
analyzing	O
FEBio	B-Algorithm
models	O
.	O
</s>
<s>
The	O
models	O
can	O
be	O
run	O
with	O
FEBio	B-Algorithm
directly	O
from	O
the	O
FEBio	B-Algorithm
Studio	O
interface	O
,	O
or	O
exported	O
to	O
the	O
xml-formatted	O
FEBio	B-Algorithm
input	O
file	O
.	O
</s>
<s>
After	O
FEBio	B-Algorithm
completes	O
,	O
the	O
results	O
can	O
be	O
loaded	O
directly	O
into	O
FEBio	B-Algorithm
Studio	O
for	O
visualization	O
and	O
analysis	O
.	O
</s>
<s>
FEBio	B-Algorithm
Studio	O
also	O
provides	O
access	O
to	O
an	O
online	O
model	O
repository	O
,	O
which	O
offers	O
example	O
models	O
,	O
models	O
used	O
in	O
the	O
FEBio	B-Algorithm
Studio	O
Webinars	O
,	O
and	O
models	O
shared	O
by	O
the	O
FEBio	B-Algorithm
community	O
.	O
</s>
<s>
Prior	O
to	O
FEBio	B-Algorithm
Studio	O
,	O
users	O
used	O
the	O
PreView	O
software	O
to	O
setup	O
FEBio	B-Algorithm
models	O
and	O
PostView	O
for	O
visualization	O
and	O
analysis	O
.	O
</s>
<s>
Since	O
FEBio	B-Algorithm
Studio	O
combines	O
these	O
two	O
software	O
packages	O
,	O
in	O
addition	O
to	O
providing	O
many	O
more	O
features	O
,	O
the	O
PreView	O
and	O
PostView	O
software	O
are	O
considered	O
obsolete	O
.	O
</s>
<s>
Users	O
that	O
still	O
use	O
these	O
software	O
packages	O
are	O
encouraged	O
to	O
switch	O
to	O
FEBio	B-Algorithm
Studio	O
.	O
</s>
<s>
Support	O
for	O
FEBio	B-Algorithm
comes	O
in	O
various	O
forms	O
.	O
</s>
<s>
Users	O
can	O
also	O
ask	O
questions	O
on	O
the	O
FEBio	B-Algorithm
User	O
forums	O
,	O
and	O
can	O
report	O
bugs	O
and	O
make	O
new	O
feature	O
requests	O
on	O
the	O
GitHub	O
page	O
.	O
</s>
