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LagrangeSweep.py
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Created
Mon, Aug 26, 09:18
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2 KB
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text/x-python
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Wed, Aug 28, 09:18 (2 d)
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blob
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20180238
Attached To
R6746 RationalROMPy
LagrangeSweep.py
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from
copy
import
copy
import
numpy
as
np
from
rrompy.hfengines.fenics
import
HelmholtzSquareBubbleProblemEngine
as
HSBPE
from
rrompy.hfengines.fenics
import
HelmholtzBoxScatteringProblemEngine
as
HBSPE
from
rrompy.hsengines.fenics
import
HSEngine
as
HS
from
rrompy.reduction_methods.lagrange
import
ApproximantLagrangePade
as
Pade
from
rrompy.reduction_methods.lagrange
import
ApproximantLagrangeRB
as
RB
from
rrompy.utilities.parameter_sweeper
import
ParameterSweeper
as
Sweeper
from
rrompy.sampling
import
QuadratureSampler
as
QS
testNo
=
2
npoints
=
31
if
testNo
==
1
:
ks
=
[
4
+
.
5j
,
14
+
.
5j
]
solver
=
HSBPE
(
kappa
=
12
**
.
5
,
theta
=
np
.
pi
/
3
,
n
=
10
)
solver
.
omega
=
np
.
real
(
np
.
mean
(
ks
))
mutars
=
np
.
linspace
(
0
,
21
,
npoints
)
filenamebase
=
'../data/output/HelmholtzBubbleLagrange'
elif
testNo
==
2
:
ks
=
[
10
+
.
25j
,
14
+
.
25j
]
solver
=
HBSPE
(
R
=
5
,
kappa
=
3
,
theta
=
-
np
.
pi
*
75
/
180
,
n
=
10
)
solver
.
omega
=
np
.
real
(
np
.
mean
(
ks
))
mutars
=
np
.
linspace
(
9
,
14
,
npoints
)
filenamebase
=
'../data/output/HelmholtzBoxLagrange'
plotter
=
HS
(
solver
.
V
)
k0
=
np
.
mean
(
ks
)
shift
=
12
nsets
=
5
stride
=
3
Smax
=
stride
*
(
nsets
-
1
)
+
shift
+
2
paramsPade
=
{
'S'
:
Smax
,
'POD'
:
True
,
'sampler'
:
QS
(
ks
,
"CHEBYSHEV"
)}
paramsRB
=
copy
(
paramsPade
)
paramsSetsPade
=
[
None
]
*
nsets
paramsSetsRB
=
[
None
]
*
nsets
for
i
in
range
(
nsets
):
paramsSetsPade
[
i
]
=
{
'N'
:
stride
*
i
+
shift
+
1
,
'M'
:
stride
*
i
+
shift
,
'S'
:
stride
*
i
+
shift
+
2
}
paramsSetsRB
[
i
]
=
{
'R'
:
stride
*
i
+
shift
+
1
,
'S'
:
stride
*
i
+
shift
+
2
}
appPade
=
Pade
(
solver
,
plotter
,
mu0
=
k0
,
approxParameters
=
paramsPade
)
appRB
=
RB
(
solver
,
plotter
,
mu0
=
k0
,
approxParameters
=
paramsRB
)
sweeper
=
Sweeper
(
mutars
=
mutars
,
mostExpensive
=
'Approx'
)
sweeper
.
ROMEngine
=
appPade
sweeper
.
params
=
paramsSetsPade
filenamePade
=
sweeper
.
sweep
(
filenamebase
+
'PadeFE.dat'
,
outputs
=
'ALL'
)
sweeper
.
ROMEngine
=
appRB
sweeper
.
params
=
paramsSetsRB
filenameRB
=
sweeper
.
sweep
(
filenamebase
+
'RBFE.dat'
,
outputs
=
'ALL'
)
sweeper
.
plot
(
filenamePade
,
[
'muRe'
],
[
'HFNorm'
,
'AppNorm'
],
[
'S'
],
onePlot
=
True
)
sweeper
.
plot
(
filenameRB
,
[
'muRe'
],
[
'HFNorm'
,
'AppNorm'
],
[
'S'
],
onePlot
=
True
)
sweeper
.
plot
(
filenamePade
,
[
'muRe'
],
[
'ErrNorm'
],
[
'S'
])
sweeper
.
plot
(
filenameRB
,
[
'muRe'
],
[
'ErrNorm'
],
[
'S'
])
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