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Larry Price
gmsh
Commits
966d107e
Commit
966d107e
authored
13 years ago
by
Christophe Geuzaine
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only force even num of points for Blossom if we actually recombine something!
parent
74aaa18e
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Changes
1
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1 changed file
Mesh/meshGEdge.cpp
+61
-79
61 additions, 79 deletions
Mesh/meshGEdge.cpp
with
61 additions
and
79 deletions
Mesh/meshGEdge.cpp
+
61
−
79
View file @
966d107e
...
@@ -27,20 +27,16 @@ typedef struct {
...
@@ -27,20 +27,16 @@ typedef struct {
}
IntPoint
;
}
IntPoint
;
static
double
smoothPrimitive
(
GEdge
*
ge
,
static
double
smoothPrimitive
(
GEdge
*
ge
,
double
alpha
,
double
alpha
,
std
::
vector
<
IntPoint
>
&
Points
)
std
::
vector
<
IntPoint
>
&
Points
)
{
{
// printf("alpha = %g\n",alpha);
int
ITER
=
0
;
int
ITER
=
0
;
while
(
1
){
while
(
1
){
int
count1
=
0
;
int
count1
=
0
;
int
count2
=
0
;
int
count2
=
0
;
// use a gauss-seidel iteration
// use a gauss-seidel iteration; iterate forward and then backward;
// iterate forward and then backward
// convergence is usually very fast
// convergence is usually very fast.
for
(
int
i
=
1
;
i
<
Points
.
size
();
i
++
){
for
(
int
i
=
1
;
i
<
Points
.
size
();
i
++
){
double
dh
=
(
Points
[
i
].
xp
/
Points
[
i
].
lc
-
Points
[
i
-
1
].
xp
/
Points
[
i
-
1
].
lc
);
double
dh
=
(
Points
[
i
].
xp
/
Points
[
i
].
lc
-
Points
[
i
-
1
].
xp
/
Points
[
i
-
1
].
lc
);
double
dt
=
Points
[
i
].
t
-
Points
[
i
-
1
].
t
;
double
dt
=
Points
[
i
].
t
-
Points
[
i
-
1
].
t
;
...
@@ -60,18 +56,14 @@ static double smoothPrimitive (GEdge *ge,
...
@@ -60,18 +56,14 @@ static double smoothPrimitive (GEdge *ge,
double
hnew
=
Points
[
i
].
xp
/
Points
[
i
].
lc
+
dt
*
(
alpha
-
1
)
*
Points
[
i
].
xp
;
double
hnew
=
Points
[
i
].
xp
/
Points
[
i
].
lc
+
dt
*
(
alpha
-
1
)
*
Points
[
i
].
xp
;
Points
[
i
-
1
].
lc
=
Points
[
i
-
1
].
xp
/
hnew
;
Points
[
i
-
1
].
lc
=
Points
[
i
-
1
].
xp
/
hnew
;
count2
++
;
count2
++
;
// dh = (Points[i-1].xp/Points[i-1].lc - Points[i].xp/Points[i].lc);
// dt = fabs(Points[i-1].t - Points[i].t);
// dhdt = dh/dt;
// printf("dhdt / Points[i-1].xp
}
}
}
}
++
ITER
;
++
ITER
;
if
(
ITER
>
2000
)
{
break
;
}
if
(
ITER
>
2000
)
break
;
if
(
!
(
count1
+
count2
))
break
;
if
(
!
(
count1
+
count2
))
break
;
}
}
// recompute the primitive
// recompute the primitive
for
(
int
i
=
1
;
i
<
Points
.
size
();
i
++
){
for
(
int
i
=
1
;
i
<
Points
.
size
();
i
++
){
IntPoint
&
pt2
=
Points
[
i
];
IntPoint
&
pt2
=
Points
[
i
];
...
@@ -100,11 +92,6 @@ static double F_Lc(GEdge *ge, double t)
...
@@ -100,11 +92,6 @@ static double F_Lc(GEdge *ge, double t)
SVector3
der
=
ge
->
firstDer
(
t
);
SVector3
der
=
ge
->
firstDer
(
t
);
const
double
d
=
norm
(
der
);
const
double
d
=
norm
(
der
);
return
d
/
lc_here
;
return
d
/
lc_here
;
// SMetric3 metric(1. / (lc_here * lc_here));
// double lSquared = dot(der, metric, der);
// return sqrt(lSquared);
}
}
static
double
F_Lc_aniso
(
GEdge
*
ge
,
double
t
)
static
double
F_Lc_aniso
(
GEdge
*
ge
,
double
t
)
...
@@ -124,17 +111,7 @@ static double F_Lc_aniso(GEdge *ge, double t)
...
@@ -124,17 +111,7 @@ static double F_Lc_aniso(GEdge *ge, double t)
lc_here
=
BGM_MeshMetric
(
ge
,
t
,
0
,
p
.
x
(),
p
.
y
(),
p
.
z
());
lc_here
=
BGM_MeshMetric
(
ge
,
t
,
0
,
p
.
x
(),
p
.
y
(),
p
.
z
());
SVector3
der
=
ge
->
firstDer
(
t
);
SVector3
der
=
ge
->
firstDer
(
t
);
double
lSquared
=
dot
(
der
,
lc_here
,
der
);
double
lSquared
=
dot
(
der
,
lc_here
,
der
);
/*
if (ge->tag() == 3){
printf("%12.5E %12.5E\n",p.x(),1./sqrt(lSquared));
}
*/
// der.normalize();
// printf("in the function %g n %g %g\n", sqrt(lSquared),der.x(),der.y());
return
sqrt
(
lSquared
);
return
sqrt
(
lSquared
);
}
}
...
@@ -389,34 +366,39 @@ void meshGEdge::operator() (GEdge *ge)
...
@@ -389,34 +366,39 @@ void meshGEdge::operator() (GEdge *ge)
N
=
ge
->
meshAttributes
.
nbPointsTransfinite
;
N
=
ge
->
meshAttributes
.
nbPointsTransfinite
;
}
}
else
{
else
{
if
(
CTX
::
instance
()
->
mesh
.
algo2d
==
ALGO_2D_BAMG
||
blf
if
(
CTX
::
instance
()
->
mesh
.
algo2d
==
ALGO_2D_BAMG
||
blf
)
/* FIXME || CTX::instance()->mesh.algo2d == ALGO_2D_FRONTAL_QUAD */
)
{
a
=
Integration
(
ge
,
t_begin
,
t_end
,
F_Lc_aniso
,
Points
,
a
=
Integration
(
ge
,
t_begin
,
t_end
,
F_Lc_aniso
,
Points
,
CTX
::
instance
()
->
mesh
.
lcIntegrationPrecision
);
CTX
::
instance
()
->
mesh
.
lcIntegrationPrecision
);
// printFandPrimitive(ge->tag()+10000, Points);
}
else
else
a
=
Integration
(
ge
,
t_begin
,
t_end
,
F_Lc
,
Points
,
a
=
Integration
(
ge
,
t_begin
,
t_end
,
F_Lc
,
Points
,
CTX
::
instance
()
->
mesh
.
lcIntegrationPrecision
);
CTX
::
instance
()
->
mesh
.
lcIntegrationPrecision
);
//
FIXME JF : MAYBE WE SHOULD NOT ALWAYS SMOOTH THE 1D MESH SIZE FIELD ??
//
we should maybe provide an option to disable the smoothing
for
(
int
i
=
0
;
i
<
Points
.
size
();
i
++
){
for
(
int
i
=
0
;
i
<
Points
.
size
();
i
++
){
IntPoint
&
pt
=
Points
[
i
];
IntPoint
&
pt
=
Points
[
i
];
SVector3
der
=
ge
->
firstDer
(
pt
.
t
);
SVector3
der
=
ge
->
firstDer
(
pt
.
t
);
pt
.
xp
=
der
.
norm
();
pt
.
xp
=
der
.
norm
();
}
}
//printFandPrimitive(ge->tag(), Points);
a
=
smoothPrimitive
(
ge
,
CTX
::
instance
()
->
mesh
.
smoothRatio
,
Points
);
a
=
smoothPrimitive
(
ge
,
/*CTX::instance()->mesh.smoothRatio*/
CTX
::
instance
()
->
mesh
.
smoothRatio
,
Points
);
// printf(" coucou %g\n",a);
//printFandPrimitive(ge->tag()+10000, Points);
N
=
std
::
max
(
ge
->
minimumMeshSegments
()
+
1
,
(
int
)(
a
+
1.
));
N
=
std
::
max
(
ge
->
minimumMeshSegments
()
+
1
,
(
int
)(
a
+
1.
));
}
}
// force odd number of points for if blossom is used for
// force odd number of points for if blossom is used for recombination
// recombination
if
(
ge
->
meshAttributes
.
Method
!=
MESH_TRANSFINITE
&&
if
(
ge
->
meshAttributes
.
Method
!=
MESH_TRANSFINITE
&&
CTX
::
instance
()
->
mesh
.
algoRecombine
==
1
&&
N
%
2
==
0
)
N
++
;
CTX
::
instance
()
->
mesh
.
algoRecombine
==
1
&&
N
%
2
==
0
){
if
(
CTX
::
instance
()
->
mesh
.
recombineAll
){
N
++
;
}
else
{
std
::
list
<
GFace
*>
faces
=
ge
->
faces
();
for
(
std
::
list
<
GFace
*>::
iterator
it
=
faces
.
begin
();
it
!=
faces
.
end
();
it
++
){
if
((
*
it
)
->
meshAttributes
.
recombine
){
N
++
;
break
;
}
}
}
}
// printFandPrimitive(ge->tag(),Points);
// printFandPrimitive(ge->tag(),Points);
...
...
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