<s>
In	O
computational	O
fluid	O
dynamics	O
,	O
TELEMAC	B-Algorithm
is	O
short	O
for	O
the	O
open	O
TELEMAC-MASCARET	O
system	O
,	O
or	O
a	O
suite	O
of	O
finite	B-Application
element	I-Application
computer	B-Application
program	I-Application
owned	O
by	O
the	O
Laboratoire	O
National	O
d'Hydraulique	O
et	O
Environnement	O
(	O
LNHE	O
)	O
,	O
part	O
of	O
the	O
R&D	O
group	O
of	O
Électricité	O
de	O
France	O
.	O
</s>
<s>
After	O
many	O
years	O
of	O
commercial	O
distribution	O
,	O
a	O
Consortium	O
(	O
the	O
TELEMAC-MASCARET	O
Consortium	O
)	O
was	O
officially	O
created	O
in	O
January	O
2010	O
to	O
organize	O
the	O
open	O
source	O
distribution	O
of	O
the	O
open	O
TELEMAC-MASCARET	O
system	O
now	O
available	O
under	O
GPLv3	O
.	O
</s>
<s>
It	O
2D	O
hydrodynamics	O
module	O
,	O
TELEMAC-2D	O
,	O
solves	O
the	O
so-called	O
shallow	O
water	O
equations	O
,	O
also	O
known	O
as	O
the	O
Saint	O
Venant	O
equations	O
.	O
</s>
<s>
TELEMAC-2D	O
solves	O
the	O
Saint-Venant	O
equations	O
using	O
the	O
finite-element	B-Application
or	O
finite-volume	B-Algorithm
method	I-Algorithm
and	O
a	O
computation	O
mesh	O
of	O
triangular	O
elements	O
.	O
</s>
<s>
TELEMAC-2D	O
can	O
take	O
into	O
account	O
the	O
following	O
phenomena	O
:	O
</s>
<s>
TELEMAC-2D	O
is	O
used	O
in	O
many	O
fields	O
of	O
application	O
.	O
</s>
<s>
TELEMAC-2D	O
can	O
also	O
be	O
used	O
for	O
a	O
number	O
of	O
special	O
applications	O
,	O
such	O
as	O
industrial	O
reservoir	O
failures	O
,	O
avalanches	O
falling	O
into	O
reservoirs	O
,	O
etc	O
.	O
</s>
<s>
It	O
3D	O
hydrodynamics	O
module	O
,	O
TELEMAC-3D	O
,	O
uses	O
the	O
same	O
horizontally	O
unstructured	O
mesh	O
as	O
TELEMAC-2D	O
but	O
solves	O
the	O
Navier-Stokes	O
equations	O
,	O
whether	O
in	O
hydrostatic	O
or	O
non-hydrostatic	O
mode	O
so	O
allowing	O
shorter	O
waves	O
than	O
those	O
in	O
a	O
shallow	O
water	O
context	O
(	O
where	O
wavelengths	O
are	O
required	O
to	O
be	O
at	O
least	O
twenty	O
times	O
the	O
water	O
depth	O
)	O
.	O
</s>
<s>
MASCARET	B-Algorithm
includes	O
1-Dimensional	O
free	O
surface	O
flow	O
modelling	O
engines	O
.	O
</s>
<s>
MASCARET	B-Algorithm
can	O
represent	O
:	O
</s>
<s>
ARTEMIS	O
solves	O
the	O
Berkhoff	O
's	O
equation	O
or	O
Mild	O
Slope	O
Equation	O
through	O
finite	B-Application
element	I-Application
formulation	O
.	O
</s>
<s>
By	O
means	O
of	O
a	O
finite-element	B-Application
type	O
method	O
,	O
it	O
solves	O
a	O
simplified	O
equation	O
for	O
the	O
spectro-angular	O
density	O
of	O
wave	O
action	O
.	O
</s>
<s>
Like	O
all	O
the	O
other	O
modules	O
of	O
the	O
open	O
TELEMAC-MASCARET	O
system	O
,	O
TOMAWAC	O
has	O
the	O
benefit	O
of	O
the	O
system	O
's	O
powerful	O
mesh	O
generation	O
and	O
results	O
display	O
functions	O
.	O
</s>
<s>
It	O
is	O
also	O
easy	O
to	O
link	O
TOMAWAC	O
and	O
the	O
hydrodynamic	O
or	O
solid	O
transport	O
modules	O
,	O
and	O
to	O
use	O
the	O
same	O
computation	O
grid	O
for	O
various	O
modules	O
(	O
TELEMAC-2D	O
,	O
SISYPHE	O
,	O
TELEMAC-3D	O
,	O
etc	O
.	O
</s>
<s>
Like	O
all	O
the	O
modules	O
of	O
the	O
open	O
TELEMAC-MASCARET	O
system	O
,	O
TOMAWAC	O
was	O
developed	O
in	O
accordance	O
with	O
the	O
quality	O
assurance	O
procedures	O
followed	O
in	O
Electricité	O
de	O
France	O
's	O
Studies	O
and	O
Research	O
Division	O
.	O
</s>
<s>
SISYPHE	O
is	O
the	O
state	O
of	O
the	O
art	O
sediment	O
transport	O
and	O
bed	O
evolution	O
module	O
of	O
the	O
TELEMAC-MASCARET	O
modelling	O
system	O
.	O
</s>
<s>
For	O
currents	O
only	O
,	O
SISYPHE	O
can	O
be	O
tightly	O
coupled	O
to	O
the	O
depth-averaged	O
shallow	O
water	O
module	O
TELEMAC-2D	O
or	O
to	O
the	O
three-dimensional	O
Reynolds-averaged	O
Navier-Stokes	O
module	O
TELEMAC-3D	O
.	O
</s>
<s>
Common	O
to	O
all	O
its	O
modules	O
,	O
finite	B-Algorithm
volume	I-Algorithm
style	O
numerical	O
techniques	O
are	O
used	O
to	O
ensure	O
that	O
both	O
water	O
and	O
tracer	O
can	O
be	O
well	O
conserved	O
in	O
the	O
presence	O
of	O
drying	O
and	O
subsequent	O
wetting	O
.	O
</s>
