TUT: use new 'arc' specification in several tutorials

- 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

View File

@ -17,68 +17,81 @@ FoamFile
scale 1;
verbose no;
// Geometric parameters
outerRadius 1;
innerRatio 0.5;
// 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;
}
innerSphere
{
type sphere;
origin (0 0 0);
radius 0.5;
radius #eval{ $innerRatio * $outerRadius };
}
}
n 10;
// Rough approximation of corner points
v 0.5773502;
mv -0.5773502;
vh 0.2886751;
mvh -0.2886751;
// Outer box sizes (approximate)
vo #eval{ sqrt($outerRadius/3) };
mvo #eval{ -$vo };
// Inner box sizes - % of overall dimension
vi #eval{ $innerRatio*$vo };
mvi #eval{ $innerRatio*$mvo };
vertices
(
// Inner block points
project ($mvh $mvh $mvh) (innerSphere)
project ( $vh $mvh $mvh) (innerSphere)
project ( $vh $vh $mvh) (innerSphere)
project ($mvh $vh $mvh) (innerSphere)
project ($mvh $mvh $vh) (innerSphere)
project ( $vh $mvh $vh) (innerSphere)
project ( $vh $vh $vh) (innerSphere)
project ($mvh $vh $vh) (innerSphere)
project ($mvi $mvi $mvi) (innerSphere)
project ( $vi $mvi $mvi) (innerSphere)
project ( $vi $vi $mvi) (innerSphere)
project ($mvi $vi $mvi) (innerSphere)
project ($mvi $mvi $vi) (innerSphere)
project ( $vi $mvi $vi) (innerSphere)
project ( $vi $vi $vi) (innerSphere)
project ($mvi $vi $vi) (innerSphere)
// Outer block points
project ($mv $mv $mv) (sphere)
project ( $v $mv $mv) (sphere)
project ( $v $v $mv) (sphere)
project ($mv $v $mv) (sphere)
project ($mv $mv $v) (sphere)
project ( $v $mv $v) (sphere)
project ( $v $v $v) (sphere)
project ($mv $v $v) (sphere)
project ($mvo $mvo $mvo) (sphere)
project ( $vo $mvo $mvo) (sphere)
project ( $vo $vo $mvo) (sphere)
project ($mvo $vo $mvo) (sphere)
project ($mvo $mvo $vo) (sphere)
project ( $vo $mvo $vo) (sphere)
project ( $vo $vo $vo) (sphere)
project ($mvo $vo $vo) (sphere)
);
blocks
(
hex ( 0 1 2 3 4 5 6 7) ($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
(
// Outer edges
// Outer blocks
project 8 9 (sphere)
project 10 11 (sphere)
project 14 15 (sphere)
@ -94,32 +107,32 @@ edges
project 10 14 (sphere)
project 11 15 (sphere)
// Inner block
project 0 1 (innerSphere)
project 2 3 (innerSphere)
project 6 7 (innerSphere)
project 4 5 (innerSphere)
// Inner edges
project 0 1 (innerSphere)
project 2 3 (innerSphere)
project 6 7 (innerSphere)
project 4 5 (innerSphere)
project 0 3 (innerSphere)
project 1 2 (innerSphere)
project 5 6 (innerSphere)
project 4 7 (innerSphere)
project 0 3 (innerSphere)
project 1 2 (innerSphere)
project 5 6 (innerSphere)
project 4 7 (innerSphere)
project 0 4 (innerSphere)
project 1 5 (innerSphere)
project 2 6 (innerSphere)
project 3 7 (innerSphere)
project 0 4 (innerSphere)
project 1 5 (innerSphere)
project 2 6 (innerSphere)
project 3 7 (innerSphere)
);
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
@ -129,12 +142,12 @@ 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
);
}
);