<s>
Abaqus	B-Algorithm
FEA	O
(	O
formerly	O
ABAQUS	B-Algorithm
)	O
is	O
a	O
software	O
suite	O
for	O
finite	B-Application
element	I-Application
analysis	I-Application
and	O
computer-aided	O
engineering	O
,	O
originally	O
released	O
in	O
1978	O
.	O
</s>
<s>
The	O
name	O
and	O
logo	O
of	O
this	O
software	O
are	O
based	O
on	O
the	O
abacus	B-Application
calculation	O
tool	O
.	O
</s>
<s>
The	O
Abaqus	B-Algorithm
product	O
suite	O
consists	O
of	O
five	O
core	O
software	O
products	O
:	O
</s>
<s>
Abaqus/CAE	O
,	O
or	O
"	O
Complete	O
Abaqus	B-Algorithm
Environment	O
"	O
(	O
a	O
backronym	O
with	O
a	O
root	O
in	O
Computer-Aided	O
Engineering	O
)	O
.	O
</s>
<s>
It	O
is	O
a	O
software	O
application	O
used	O
for	O
both	O
the	O
modeling	O
and	O
analysis	O
of	O
mechanical	O
components	O
and	O
assemblies	O
(	O
pre-processing	O
)	O
and	O
visualizing	O
the	O
finite	B-Application
element	I-Application
analysis	I-Application
result	O
.	O
</s>
<s>
A	O
subset	O
of	O
Abaqus/CAE	O
including	O
only	O
the	O
post-processing	O
module	O
can	O
be	O
launched	O
independently	O
in	O
the	O
Abaqus/Viewer	O
product	O
.	O
</s>
<s>
Abaqus/Standard	O
,	O
a	O
general-purpose	O
Finite-Element	O
analyzer	O
that	O
employs	O
implicit	O
integration	O
scheme	O
(	O
traditional	O
)	O
.	O
</s>
<s>
Abaqus/Explicit	O
,	O
a	O
special-purpose	O
Finite-Element	O
analyzer	O
that	O
employs	O
explicit	O
integration	O
scheme	O
to	O
solve	O
highly	O
nonlinear	O
systems	O
with	O
many	O
complex	O
contacts	O
under	O
transient	O
loads	O
.	O
</s>
<s>
Abaqus/CFD	O
,	O
a	O
Computational	O
Fluid	O
Dynamics	O
software	O
application	O
which	O
provides	O
advanced	O
computational	O
fluid	O
dynamics	O
capabilities	O
with	O
extensive	O
support	O
for	O
preprocessing	O
and	O
postprocessing	O
provided	O
in	O
Abaqus/CAE	O
-	O
discontinued	O
in	O
Abaqus	B-Algorithm
2017	O
and	O
further	O
releases	O
.	O
</s>
<s>
Abaqus/Electromagnetic	O
,	O
a	O
Computational	O
electromagnetics	O
software	O
application	O
which	O
solves	O
advanced	O
computational	O
electromagnetic	O
problems	O
.	O
</s>
<s>
The	O
Abaqus	B-Algorithm
products	O
use	O
the	O
open-source	B-Application
scripting	O
language	O
Python	B-Language
for	O
scripting	O
and	O
customization	O
.	O
</s>
<s>
Abaqus/CAE	O
uses	O
the	O
fox-toolkit	B-Language
for	O
GUI	B-Application
development	O
.	O
</s>
<s>
The	O
name	O
of	O
Abaqus	B-Algorithm
was	O
initially	O
written	O
as	O
ABAQUS	B-Algorithm
when	O
it	O
was	O
first	O
released	O
.	O
</s>
<s>
The	O
early	O
history	O
of	O
ABAQUS	B-Algorithm
is	O
very	O
tightly	O
connected	O
with	O
the	O
early	O
history	O
of	O
MARC	B-Algorithm
Analysis	I-Algorithm
Research	I-Algorithm
Corporation	I-Algorithm
.	O
</s>
<s>
Dr.	O
David	O
Hibbitt	O
,	O
Dr.	O
Bengt	O
Karlsson	O
,	O
and	O
Dr.	O
Paul	O
Sorensen	O
co-founded	O
the	O
company	O
later	O
known	O
as	O
Hibbitt	O
,	O
Karlsson	O
&	O
Sorensen	O
,	O
Inc.	O
,	O
(	O
HKS	O
)	O
in	O
Jan	O
,	O
1978	O
to	O
develop	O
and	O
market	O
ABAQUS	B-Algorithm
software	O
.	O
</s>
<s>
The	O
original	O
logo	O
of	O
ABAQUS	B-Algorithm
company	O
is	O
a	O
stylized	O
abacus	B-Application
calculator	O
,	O
and	O
its	O
beads	O
are	O
set	O
to	O
the	O
company	O
's	O
official	O
launch	O
date	O
of	O
February	O
1st	O
,	O
1978	O
(	O
2-1-1978	O
)	O
.	O
</s>
<s>
ABAQUS	B-Algorithm
version	O
1	O
was	O
created	O
for	O
a	O
specific	O
client	O
--	O
Westinghouse	O
Hanford	O
Company	O
which	O
used	O
the	O
software	O
to	O
analyze	O
nuclear	O
fuel	O
rod	O
assemblies	O
.	O
</s>
<s>
ABAQUS	B-Algorithm
version	O
3	O
was	O
released	O
in	O
June	O
1979	O
.	O
</s>
<s>
In	O
the	O
early	O
days	O
,	O
ABAQUS	B-Algorithm
was	O
designed	O
primarily	O
for	O
the	O
nonlinear	O
static	O
and	O
dynamic	O
analysis	O
of	O
structures	O
,	O
and	O
nonlinear	O
steady	O
and	O
transient	O
analysis	O
of	O
heat	O
transfer	O
or	O
conduction	O
problems	O
.	O
</s>
<s>
The	O
first	O
parallel	O
version	O
of	O
ABAQUS	B-Algorithm
,	O
version	O
5.4	O
,	O
was	O
made	O
available	O
to	O
users	O
in	O
1995	O
.	O
</s>
<s>
The	O
core	O
product	O
,	O
eventually	O
known	O
as	O
ABAQUS/Standard	O
which	O
is	O
an	O
implicit	O
finite	B-Application
element	I-Application
solver	I-Application
,	O
was	O
complemented	O
by	O
other	O
software	O
packages	O
including	O
ABAQUS/Explicit	O
,	O
a	O
dynamic	O
explicit	O
analysis	O
package	O
released	O
in	O
1992	O
,	O
and	O
ABAQUS/CAE	O
,	O
a	O
finite	B-Application
element	I-Application
pre	O
-	O
and	O
post-processing	O
package	O
released	O
in	O
1999	O
.	O
</s>
<s>
The	O
first	O
official	O
release	O
of	O
ABAQUS/Explicit	O
was	O
hand-delivered	O
to	O
M.I.T.	O
</s>
<s>
Later	O
on	O
,	O
the	O
company	O
's	O
name	O
was	O
changed	O
to	O
ABAQUS	B-Algorithm
,	O
Inc	O
.	O
in	O
late	O
2002	O
to	O
reflect	O
the	O
company	O
's	O
focus	O
on	O
this	O
product	O
line	O
.	O
</s>
<s>
After	O
that	O
,	O
ABAQUS	B-Algorithm
,	O
Inc	O
.	O
became	O
part	O
of	O
Dassault	O
Systèmes	O
Simulia	O
Corp	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
ABAQUS	B-Algorithm
was	O
delivered/released	O
in	O
Sept	O
.	O
1978	O
.	O
</s>
<s>
Version	O
3	O
of	O
ABAQUS	B-Algorithm
was	O
released	O
in	O
June	O
1979	O
.	O
</s>
<s>
The	O
first	O
official	O
release	O
of	O
ABAQUS/Explicit	O
was	O
in	O
1992	O
.	O
</s>
<s>
Version	O
0	O
of	O
ABAQUS/Viewer	O
was	O
released	O
as	O
a	O
standalone	O
product	O
in	O
1998	O
.	O
</s>
<s>
The	O
same	O
features	O
were	O
made	O
available	O
as	O
the	O
Visualization	O
module	O
of	O
ABAQUS/CAE	O
when	O
it	O
was	O
first	O
released	O
in	O
1999	O
.	O
</s>
<s>
Abaqus	B-Algorithm
version	O
Release	O
date	O
1.0	O
Sept	O
.	O
1978	O
2.0	O
1979	O
?	O
</s>
<s>
In	O
recent	O
years	O
,	O
a	O
new	O
version	O
of	O
Abaqus	B-Algorithm
has	O
been	O
released	O
near	O
the	O
end	O
of	O
every	O
year	O
.	O
</s>
<s>
Abaqus	B-Algorithm
is	O
used	O
in	O
the	O
automotive	O
,	O
aerospace	O
,	O
and	O
industrial	O
products	O
in	O
industries	O
.	O
</s>
<s>
The	O
product	O
is	O
popular	O
with	O
non-academic	O
and	O
research	O
institutions	O
in	O
engineering	O
due	O
to	O
the	O
wide	O
material	O
modeling	O
capability	O
,	O
and	O
the	O
program	O
's	O
ability	O
to	O
be	O
customized	O
,	O
for	O
example	O
,	O
users	O
can	O
define	O
their	O
own	O
material	O
models	O
so	O
that	O
new	O
materials	O
could	O
also	O
be	O
simulated	O
in	O
Abaqus	B-Algorithm
.	O
</s>
<s>
Abaqus	B-Algorithm
also	O
provides	O
a	O
good	O
collection	O
of	O
multiphysics	B-Algorithm
capabilities	O
,	O
such	O
as	O
coupled	O
acoustic-structural	O
,	O
piezoelectric	O
,	O
and	O
structural-pore	O
capabilities	O
,	O
making	O
it	O
attractive	O
for	O
production-level	O
simulations	O
where	O
multiple	O
fields	O
need	O
to	O
be	O
coupled	O
.	O
</s>
<s>
Abaqus	B-Algorithm
was	O
initially	O
designed	O
to	O
address	O
non-linear	O
physical	O
behavior	O
;	O
as	O
a	O
result	O
,	O
the	O
package	O
has	O
an	O
extensive	O
range	O
of	O
material	O
models	O
such	O
as	O
elastomeric	O
(	O
rubberlike	O
)	O
and	O
hyperelastic	O
(	O
soft	O
tissue	O
)	O
material	O
capabilities	O
.	O
</s>
<s>
Every	O
complete	O
finite-element	B-Application
analysis	I-Application
consists	O
of	O
3	O
separate	O
stages	O
:	O
</s>
<s>
Processing	O
or	O
finite	B-Application
element	I-Application
analysis	I-Application
:	O
This	O
stage	O
produces	O
an	O
output	O
visual	O
file	O
.	O
</s>
<s>
Abaqus/CAE	O
is	O
capable	O
of	O
pre-processing	O
,	O
post-processing	O
,	O
and	O
monitoring	O
the	O
processing	O
stage	O
of	O
the	O
solver	O
;	O
however	O
,	O
the	O
first	O
stage	O
can	O
also	O
be	O
done	O
by	O
other	O
compatible	O
CAD	O
software	O
,	O
or	O
even	O
a	O
text	O
editor	O
.	O
</s>
<s>
Abaqus/Standard	O
,	O
Abaqus/Explicit	O
or	O
Abaqus/CFD	O
are	O
capable	O
of	O
accomplishing	O
the	O
processing	O
stage	O
.	O
</s>
<s>
Dassault	O
Systemes	O
also	O
produces	O
Abaqus	B-Algorithm
for	O
CATIA	O
for	O
adding	O
advanced	O
processing	O
and	O
post	O
processing	O
stages	O
to	O
a	O
pre-processor	O
like	O
CATIA	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
comparison	O
between	O
the	O
solver	O
capabilities	O
of	O
Abaqus/Standard	O
and	O
Abaqus/Explicit	O
.	O
</s>
<s>
Feature	O
Common	O
ABAQUS/	O
ABAQUS/Explicit	O
only	O
Element	O
library	O
Comprehensive	O
no	O
limits	O
only	O
elements	O
appropriate	O
for	O
explicit	O
solutions	O
Material	O
models	O
Comprehensive	O
only	O
yield	O
models	O
yield	O
and	O
fracture	O
models	O
Solution	O
methods	O
Implicit	O
Integrationneeds	O
solve	O
multiple	O
coupled	O
equationUsing	O
the	O
K	O
Matrix	O
(	O
F	O
=	O
Ku	O
)	O
Stable	O
explicit	O
integrationstep	O
by	O
stepusing	O
small	O
time	O
stepssometimes	O
not	O
stable	O
Required	O
Disk	O
Space	O
repetitive	O
calculations	O
likely	O
takes	O
a	O
lot	O
of	O
space	O
no	O
repetitive	O
calculationnormal	O
Types	O
of	O
Problems	O
Linear:non-linear:Contact:usual	O
systems	O
Can	O
solveCan	O
solveCan	O
solve	O
most	O
casesOptimal	O
under	O
steady	O
loads	O
Can	O
solveOptimal	O
.	O
</s>
