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TUT: use new 'arc' specification in several tutorials

Browse Source 
- in most cases this eliminates manually calculation of circumferential
  points.

TUT: improve parameterization of sphere blockMeshDict

- allow separate parameterization of radius, ratio of inner to outer,
  and the number of divisions in x/y/z and radial directions
This commit is contained in:
Mark Olesen
2020-10-05 12:48:54 +02:00
parent 1d08ed9be2
commit 121c69ef2e
21 changed files with 786 additions and 715 deletions
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156
tutorials/mesh/blockMesh/sphere7/system/blockMeshDict
View File

@ -17,103 +17,115 @@ FoamFile
scale 1;
verbose no;
// Geometric parameters
outerRadius 1;
innerRatio 0.7;
// Divisions in x/y/z and radial directions. Can be unequal.
nx 10;
ny $nx;
nz $nx;
nr 6;
geometry
{
sphere
{
type sphere;
origin (0 0 0);
radius 1;
radius $outerRadius;
}
}
// Outer box sizes
vo #eval{ sqrt($outerRadius/3) };
mvo #eval{ -$vo };
n 10;
v 0.5773502;
mv -0.5773502;
vh 0.2886751;
mvh -0.2886751;
a 0.7071067;
ma -0.7071067;
ah 0.3464101;
mah -0.3464101;
// Inner box sizes - % of overall dimension
vi #eval{ $innerRatio*$vo };
mvi #eval{ $innerRatio*$mvo };
vertices
(
($mvh $mvh $mvh)
( $vh $mvh $mvh)
( $vh $vh $mvh)
($mvh $vh $mvh)
($mvh $mvh $vh)
( $vh $mvh $vh)
( $vh $vh $vh)
($mvh $vh $vh)
// Inner block
($mvi $mvi $mvi)
( $vi $mvi $mvi)
( $vi $vi $mvi)
($mvi $vi $mvi)
($mvi $mvi $vi)
( $vi $mvi $vi)
( $vi $vi $vi)
($mvi $vi $vi)
($mv $mv $mv)
( $v $mv $mv)
( $v $v $mv)
($mv $v $mv)
($mv $mv $v)
( $v $mv $v)
( $v $v $v)
($mv $v $v)
// Outer blocks
($mvo $mvo $mvo)
( $vo $mvo $mvo)
( $vo $vo $mvo)
($mvo $vo $mvo)
($mvo $mvo $vo)
( $vo $mvo $vo)
( $vo $vo $vo)
($mvo $vo $vo)
);
blocks
(
hex ( 0 1 2 3 4 5 6 7) ($n $n $n) simpleGrading (1 1 1)
hex ( 9 8 12 13 1 0 4 5) ($n $n $n) simpleGrading (1 1 1)
hex (10 9 13 14 2 1 5 6) ($n $n $n) simpleGrading (1 1 1)
hex (11 10 14 15 3 2 6 7) ($n $n $n) simpleGrading (1 1 1)
hex ( 8 11 15 12 0 3 7 4) ($n $n $n) simpleGrading (1 1 1)
hex ( 8 9 10 11 0 1 2 3) ($n $n $n) simpleGrading (1 1 1)
hex (13 12 15 14 5 4 7 6) ($n $n $n) simpleGrading (1 1 1)
hex (0 1 2 3 4 5 6 7) ($nx $ny $nz) grading (1 1 1) // Inner block
// Outer blocks
hex ( 8 0 3 11 12 4 7 15) ($nr $ny $nz) grading (1 1 1) // x-min
hex ( 1 9 10 2 5 13 14 6) ($nr $ny $nz) grading (1 1 1) // x-max
hex ( 8 9 1 0 12 13 5 4) ($nx $nr $nz) grading (1 1 1) // y-min
hex ( 3 2 10 11 7 6 14 15) ($nx $nr $nz) grading (1 1 1) // y-max
hex ( 8 9 10 11 0 1 2 3) ($nx $ny $nr) grading (1 1 1) // z-min
hex ( 4 5 6 7 12 13 14 15) ($nx $ny $nr) grading (1 1 1) // z-max
);
edges
(
arc 8 9 (0 $ma $ma)
arc 10 11 (0 $a $ma)
arc 14 15 (0 $a $a)
arc 12 13 (0 $ma $a)
// Outer blocks
arc 8 9 origin (0 0 0)
arc 10 11 origin (0 0 0)
arc 14 15 origin (0 0 0)
arc 12 13 origin (0 0 0)
arc 8 11 ($ma 0 $ma)
arc 9 10 ($a 0 $ma)
arc 13 14 ($a 0 $a)
arc 12 15 ($ma 0 $a)
arc 8 11 origin (0 0 0)
arc 9 10 origin (0 0 0)
arc 13 14 origin (0 0 0)
arc 12 15 origin (0 0 0)
arc 8 12 ($ma $ma 0)
arc 9 13 ($a $ma 0)
arc 10 14 ($a $a 0)
arc 11 15 ($ma $a 0)
arc 8 12 origin (0 0 0)
arc 9 13 origin (0 0 0)
arc 10 14 origin (0 0 0)
arc 11 15 origin (0 0 0)
// Inner block - flattened by factor 1.1
arc 0 1 origin 1.1 (0 0 0)
arc 2 3 origin 1.1 (0 0 0)
arc 6 7 origin 1.1 (0 0 0)
arc 4 5 origin 1.1 (0 0 0)
arc 0 1 (0 $mah $mah)
arc 2 3 (0 $ah $mah)
arc 6 7 (0 $ah $ah)
arc 4 5 (0 $mah $ah)
arc 0 3 origin 1.1 (0 0 0)
arc 1 2 origin 1.1 (0 0 0)
arc 5 6 origin 1.1 (0 0 0)
arc 4 7 origin 1.1 (0 0 0)
arc 0 3 ($mah 0 $mah)
arc 1 2 ($ah 0 $mah)
arc 5 6 ($ah 0 $ah)
arc 4 7 ($mah 0 $ah)
arc 0 4 ($mah $mah 0)
arc 1 5 ($ah $mah 0)
arc 2 6 ($ah $ah 0)
arc 3 7 ($mah $ah 0)
arc 0 4 origin 1.1 (0 0 0)
arc 1 5 origin 1.1 (0 0 0)
arc 2 6 origin 1.1 (0 0 0)
arc 3 7 origin 1.1 (0 0 0)
);
faces
(
project ( 8 12 15 11) sphere
project (10 14 13 9) sphere
project ( 9 13 12 8) sphere
project (11 15 14 10) sphere
project ( 8 11 10 9) sphere
project (12 13 14 15) sphere
// Outer blocks
project ( 8 12 15 11) sphere // x-min
project ( 9 10 14 13) sphere // x-max
project ( 8 9 13 12) sphere // y-min
project (11 15 14 10) sphere // y-max
project ( 8 11 10 9) sphere // z-min
project (12 13 14 15) sphere // z-max
);
boundary
@ -123,12 +135,12 @@ boundary
type wall;
faces
(
( 8 12 15 11)
(10 14 13 9)
( 9 13 12 8)
(11 15 14 10)
( 8 11 10 9)
(12 13 14 15)
( 8 12 15 11) // x-min
( 9 10 14 13) // x-max
( 8 9 13 12) // y-min
(11 15 14 10) // y-max
( 8 11 10 9) // z-min
(12 13 14 15) // z-max
);
}
);