Skip to content
GitLab
Menu
Projects
Groups
Snippets
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
Menu
Open sidebar
fluidparticles
MigFlow
Commits
85658aef
Commit
85658aef
authored
Jun 07, 2018
by
Jonathan Lambrechts
Browse files
mostly ok
parent
0ad3a3e8
Changes
2
Hide whitespace changes
Inline
Side-by-side
src/fluid_problem.c
View file @
85658aef
...
...
@@ -298,8 +298,8 @@ static void fluid_problem_f(FluidProblem *problem, double *f0, double *f1, doubl
double
epsilonp
=
problem
->
epsilon
;
double
epsilonq
=
problem
->
epsilon
/
10
;
f0
[
P
]
=
1
-
c
;
f1
[
P
*
D
+
0
]
=
0
;
f1
[
P
*
D
+
1
]
=
0
;
f1
[
P
*
D
+
0
]
=
epsilonp
*
dp
[
0
]
;
f1
[
P
*
D
+
1
]
=
epsilonp
*
dp
[
1
]
;
for
(
int
ifluid
=
0
;
ifluid
<
problem
->
n_fluids
;
++
ifluid
)
{
int
Q
=
ifluid
*
(
D
+
1
)
+
D
;
int
U
=
ifluid
*
(
D
+
1
);
...
...
@@ -312,7 +312,8 @@ static void fluid_problem_f(FluidProblem *problem, double *f0, double *f1, doubl
double
uold
[
D
]
=
{
solold
[
U
],
solold
[
U
+
1
]};
double
du
[
D
][
D
]
=
{{
dsol
[
U
*
D
+
0
],
dsol
[
U
*
D
+
1
]},{
dsol
[
U
*
D
+
D
+
0
],
dsol
[
U
*
D
+
D
+
1
]}};
double
oq
=
1
.
/
fmax
(
q
,
0
.
1
);
double
oq2
=
1
.
/
fmax
(
q
,
1e-5
);
double
oq
=
1
.
/
fmax
(
q
,
1e-2
);
double
divu
=
0
;
double
tau
[
D
][
D
];
double
utau
[
D
]
=
{
0
.};
...
...
@@ -326,11 +327,11 @@ static void fluid_problem_f(FluidProblem *problem, double *f0, double *f1, doubl
f0
[
Q
]
=
divu
+
(
q
-
qold
)
/
dt
;
f0
[
P
]
-=
q
;
for
(
int
i
=
0
;
i
<
D
;
++
i
)
{
f0
[
U
+
i
]
=
rho
*
((
u
[
i
]
-
uold
[
i
])
/
dt
+
u
[
i
]
*
oq
*
divu
+
utau
[
i
]
*
oq
)
-
p
*
dq
[
i
];
f0
[
U
+
i
]
=
rho
*
((
u
[
i
]
-
uold
[
i
])
/
dt
+
u
[
i
]
*
oq
2
*
divu
+
utau
[
i
]
*
oq
2
)
-
p
*
dq
[
i
];
for
(
int
j
=
0
;
j
<
D
;
++
j
)
{
f1
[(
U
+
j
)
*
D
+
i
]
=
mu
*
(
tau
[
i
][
j
]
+
tau
[
j
][
i
])
+
(
i
==
j
?
-
q
*
p
:
0
);
}
f1
[
Q
*
D
+
i
]
=
epsilonp
*
dp
[
i
]
*
fmax
(
q
,
0
.
1
)
+
epsilonq
*
dq
[
i
];
f1
[
Q
*
D
+
i
]
=
epsilonq
*
dq
[
i
];
}
}
}
...
...
testcases/poiseuille2fluids/poiseuille.py
View file @
85658aef
...
...
@@ -52,7 +52,7 @@ dt = 10 # time step
alpha
=
1e-4
# stabilization coefficient
epsilon
=
alpha
*
lcmin
**
2
/
min
(
nu0
,
nu1
)
# stabilization parametre
print
(
'epsilon'
,
epsilon
)
6
shutil
.
copy
(
"mesh.msh"
,
outputdir
+
"/mesh.msh"
)
outf
=
1
# number of iterations between output files
...
...
@@ -94,8 +94,8 @@ t = 0
#set initial_condition
x
=
fluid
.
coordinates
()
s
=
fluid
.
solution
()
alph
a
=
(
x
[:,
0
]
+
5
)
/
10
s
[:,
2
]
=
1
-
a
lpha
*
0.8
a
=
(
x
[:,
0
]
+
5
)
/
10
s
[:,
2
]
=
1
-
a
*
0.8
s
[:,
5
]
=
1
-
s
[:,
2
]
fluid
.
export_vtk
(
outputdir
,
0
,
0
)
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment