<s>
Hermes2D	O
(	O
Higher-order	O
modular	O
finite	B-Application
element	I-Application
system	O
)	O
is	O
a	O
C++	O
/Python	O
library	O
of	O
algorithms	O
for	O
rapid	O
development	O
of	O
adaptive	O
hp-FEM	B-Algorithm
solvers	O
.	O
</s>
<s>
hp-FEM	B-Algorithm
is	O
a	O
modern	O
version	O
of	O
the	O
finite	B-Application
element	I-Application
method	I-Application
(	O
FEM	O
)	O
that	O
is	O
capable	O
of	O
extremely	O
fast	O
,	O
exponential	O
convergence	O
.	O
</s>
<s>
The	O
Hermes	O
library	O
can	O
be	O
used	O
for	O
a	O
large	O
variety	O
of	O
PDE	O
problems	O
ranging	O
from	O
linear	O
elliptic	O
equations	O
to	O
time-dependent	O
nonlinear	O
multi-physics	O
PDE	O
systems	O
arising	O
in	O
elasticity	O
,	O
structural	O
mechanics	O
,	O
fluid	O
mechanics	O
,	O
acoustics	O
,	O
electromagnetics	O
,	O
and	O
other	O
fields	O
of	O
computational	B-General_Concept
engineering	I-General_Concept
and	O
science	O
.	O
</s>
<s>
Hermes	O
implementation	O
of	O
adaptive	O
hp-FEM	B-Algorithm
for	O
improved	O
convergence	O
and	O
accuracy	O
in	O
non-linear	O
systems	O
is	O
featured	O
in	O
the	O
software	O
.	O
</s>
<s>
Hermes	O
is	O
based	O
on	O
space	O
-	O
and	O
space-time	O
adaptive	O
multi-mesh	O
hp-FEM	B-Algorithm
algorithms	O
working	O
with	O
highly	O
irregular	O
meshes	B-Algorithm
.	O
</s>
<s>
The	O
mesh	B-Architecture
generation	I-Architecture
is	O
designed	O
using	O
arbitrary-level	O
hanging	O
nodes	O
.	O
</s>
<s>
The	O
Documentation	O
for	O
the	O
Hermes	O
libraries	O
is	O
an	O
extensive	O
set	O
of	O
instructions	O
,	O
information	O
and	O
tutorials	O
related	O
to	O
the	O
use	O
of	O
Hermes	O
and	O
the	O
Finite	B-Application
Element	I-Application
Method	I-Application
.	O
</s>
<s>
Hermes	O
includes	O
instructions	O
for	O
the	O
installation	O
of	O
collaborating	O
Third	O
Party	O
Libraries	O
(	O
TPLs	O
)	O
as	O
well	O
as	O
an	O
introduction	O
to	O
the	O
mathematics	O
behind	O
the	O
hp-FEM	B-Algorithm
method	O
and	O
detailed	O
instructions	O
on	O
the	O
use	O
and	O
modification	O
of	O
the	O
code	O
.	O
</s>
<s>
Any	O
user	O
who	O
wished	O
to	O
add	O
to	O
the	O
capabilities	O
of	O
Hermes	O
can	O
find	O
instructions	O
on	O
how	O
to	O
submit	O
their	O
work	O
directly	O
to	O
the	O
authors	O
via	O
GitHub	B-Application
.	O
</s>
<s>
The	O
documentation	O
includes	O
tutorials	O
for	O
the	O
download	O
and	O
compilation	O
of	O
Hermes	O
on	O
multiple	O
operating	O
systems	O
,	O
as	O
well	O
as	O
example	O
problems	O
and	O
tests	O
for	O
each	O
software	B-Application
package	I-Application
.	O
</s>
