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Sven Michael Pohl
teqp_fork_old
Commits
b255e5c8
Commit
b255e5c8
authored
2 years ago
by
Ian Bell
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doc/source/models/model_potentials.ipynb
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doc/source/models/model_potentials.ipynb
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b255e5c8
...
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@@ -38,7 +38,14 @@
" \\end{array}\\right. \n",
"$\n",
"\n",
"from which an EOS can be developed by correlating results from molecular simulation."
"from which an EOS can be developed by correlating results from molecular simulation. The EOS is from:\n",
"\n",
" Rodolfo Espíndola-Heredia, Fernando del Río and Anatol Malijevsky\n",
" Optimized equation of the state of the\n",
" square-well fluid of variable range based on\n",
" a fourth-order free-energy expansion\n",
" J. Chem. Phys. 130, 024509 (2009); https://doi.org/10.1063/1.3054361\n",
" "
]
},
{
...
...
%% Cell type:markdown id:940cc903 tags:
# Model Potentials
These EOS for model potentials are useful for understanding theory, and capture some (but perhaps not all) of the physics of "real" fluids.
%% Cell type:code id:f5463428 tags:
```
python
import
teqp
teqp
.
__version__
```
%% Cell type:markdown id:bf22ac3d tags:
## Square-well
The potential is defined by
$
V(r) =
\l
eft
\l
brace
\b
egin{array}{cc}
\i
nfty & r <
\s
igma
\\
-
\v
arepsilon &
\s
igma < r <
\l
ambda
\s
igma
\\
0 & r >
\l
ambda
\s
igma
\e
nd{array}
\r
ight.
$
from which an EOS can be developed by correlating results from molecular simulation.
from which an EOS can be developed by correlating results from molecular simulation. The EOS is from:
Rodolfo Espíndola-Heredia, Fernando del Río and Anatol Malijevsky
Optimized equation of the state of the
square-well fluid of variable range based on
a fourth-order free-energy expansion
J. Chem. Phys. 130, 024509 (2009); https://doi.org/10.1063/1.3054361
%% Cell type:code id:435a84a9 tags:
```
python
m
=
{
"
kind
"
:
"
SW_EspindolaHeredia2009
"
,
"
model
"
:
{
"
lambda
"
:
1.3
}
}
model
=
teqp
.
make_model
(
m
)
```
%% Cell type:markdown id:f0caf9ea tags:
## EXP-6
%% Cell type:code id:dc38b705 tags:
```
python
m
=
{
"
kind
"
:
"
EXP6_Kataoka1992
"
,
"
model
"
:
{
"
alpha
"
:
12
}
}
model
=
teqp
.
make_model
(
m
)
```
%% Cell type:markdown id:b87cbd05 tags:
## Lennard-Jones Fluid
The EOS for Lennard-Jones is that from Thol et al.
%% Cell type:code id:739e3e2b tags:
```
python
m
=
{
"
kind
"
:
"
LJ126_TholJPCRD2016
"
,
"
model
"
:
{}
}
model
=
teqp
.
make_model
(
m
)
```
%% Cell type:markdown id:fad87158 tags:
## Two-Center Lennard-Jones Fluid
%% Cell type:code id:ae5646de tags:
```
python
m
=
{
'
kind
'
:
'
2CLJF-Dipole
'
,
'
model
'
:
{
"
author
"
:
"
2CLJF_Lisal
"
,
'
L^*
'
:
0.5
,
'
(mu^*)^2
'
:
0.1
}
}
model
=
teqp
.
make_model
(
m
)
m
=
{
'
kind
'
:
'
2CLJF-Quadrupole
'
,
'
model
'
:
{
"
author
"
:
"
2CLJF_Lisal
"
,
'
L^*
'
:
0.5
,
'
(mu^*)^2
'
:
0.1
}
}
model
=
teqp
.
make_model
(
m
)
```
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