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idefix/src/dataBlock/makeGeometry.cpp at master · idefix-code/idefix · GitHub
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//
***********************************************************************************
//
Idefix MHD astrophysical code
//
//
Source file src/dataBlock/makeGeometry.cpp
//
//
Last modified : 10/2023
//
//
Copyright(C) by :
//
- Geoffroy Lesur <geoffroy.lesur@univ-grenoble-alpes.fr> (IPAG/UGA/CNRS - 2020 - 2023)
//
- Soufiane Baghdadi <soufiane.baghdadi@univ-grenoble-alpes.fr> (IPAG/UGA/CNRS - 2020)
//
- Clément Robert <clement.robert@univ-grenoble-alpes.fr> (IPAG/UGA/CNRS - 2021)
//
and other code contributors
//
//
Licensed under CeCILL 2.1 License, see COPYING for more information
//
***********************************************************************************
#
include
"
../idefix.hpp
"
#
include
"
dataBlock.hpp
"
/*
*
* Compute the geometrical terms for the grid.
* This function computes all of the geometrical terms
* (cell volumes, faces surfaces, trigonometric functions)
*/
void
DataBlock::MakeGeometry
() {
idfx::pushRegion
(
"
DataBlock::MakeGeometry()
"
);
//
Initialize grid coarsening if needed
if
(mygrid->
haveGridCoarsening
!= GridCoarsening::disabled) {
this
->
haveGridCoarsening
= mygrid->
haveGridCoarsening
;
this
->
coarseningDirection
= mygrid->
coarseningDirection
;
for
(
int
dir =
0
; dir <
3
; dir++) {
if
(coarseningDirection[dir]) {
const
int
Xt = (dir ==
IDIR
?
JDIR
:
IDIR
);
const
int
Xb = (dir ==
KDIR
?
JDIR
:
KDIR
);
//
Allocate coarsening level arrays
coarseningLevel[dir] = IdefixArray2D<
int
>(
"
DataBlock_corseLevel
"
,
np_tot[Xb],
np_tot[Xt]);
//
Make a local reference
IdefixArray2D<
int
> coarseInit = coarseningLevel[dir];
//
Init coarsening level array to one everywhere
idefix_for
(
"
init_coarsening
"
,
0
, np_tot[Xb],
0
, np_tot[Xt],
KOKKOS_LAMBDA
(
int
j,
int
i) {
coarseInit
(j,i) =
1
;
});
}
}
}
//
Compute Volumes
IdefixArray3D<real> dV =
this
->
dV
;
IdefixArray1D<real> dx1 =
this
->
dx
[
IDIR
];
IdefixArray1D<real> dx2 =
this
->
dx
[
JDIR
];
IdefixArray1D<real> dx3 =
this
->
dx
[
KDIR
];
IdefixArray1D<real> x1 =
this
->
x
[
IDIR
];
IdefixArray1D<real> x2 =
this
->
x
[
JDIR
];
IdefixArray1D<real> x3 =
this
->
x
[
KDIR
];
IdefixArray1D<real> x1p =
this
->
xr
[
IDIR
];
IdefixArray1D<real> x2p =
this
->
xr
[
JDIR
];
IdefixArray1D<real> x3p =
this
->
xr
[
KDIR
];
IdefixArray1D<real> x1m =
this
->
xl
[
IDIR
];
IdefixArray1D<real> x2m =
this
->
xl
[
JDIR
];
IdefixArray1D<real> x3m =
this
->
xl
[
KDIR
];
IdefixArray1D<real> rt =
this
->
rt
;
IdefixArray1D<real> sinx2m =
this
->
sinx2m
;
IdefixArray1D<real> tanx2m =
this
->
tanx2m
;
IdefixArray1D<real> sinx2 =
this
->
sinx2
;
IdefixArray1D<real> tanx2 =
this
->
tanx2
;
IdefixArray1D<real> dmu =
this
->
dmu
;
idefix_for
(
"
Volumes
"
,
0
,
this
->
np_tot
[
KDIR
],
0
,
this
->
np_tot
[
JDIR
],
0
,
this
->
np_tot
[
IDIR
],
KOKKOS_LAMBDA
(
int
k,
int
j,
int
i) {
#
if
GEOMETRY == CARTESIAN
dV
(k,j,i) =
D_EXPAND
(
dx1
(i), *
dx2
(j), *
dx3
(k));
//
= dx*dy*dz
#
elif
GEOMETRY == CYLINDRICAL
real dVr =
FABS
(
x1p
(i)*
x1p
(i) -
x1m
(i)*
x1m
(i))/
2.0
;
dV
(k,j,i) =
D_EXPAND
( dVr, *
dx2
(j), *
ONE_F
);
//
= |r|*dr*dz (more accurately (x1p**2-x1m**2)/2*dphi*dz)
#
elif
GEOMETRY == POLAR
real dVr =
FABS
(
x1p
(i)*
x1p
(i) -
x1m
(i)*
x1m
(i))/
2.0
;
dV
(k,j,i) =
D_EXPAND
( dVr, *
dx2
(j), *
dx3
(k));
//
= |r|*dr*dphi*dz
#
elif
GEOMETRY == SPHERICAL
real dVr =
FABS
(
x1p
(i)*
x1p
(i)*
x1p
(i) -
x1m
(i)*
x1m
(i)*
x1m
(i))/
3.0
;
real dmu =
FABS
(
cos
(
x2m
(j)) -
cos
(
x2p
(j)));
dV
(k,j,i) =
D_EXPAND
( dVr, *dmu, *
dx3
(k));
#
endif
}
);
//
Compute Geometrical cell centers
IdefixArray1D<real> x1gc =
this
->
xgc
[
IDIR
];
IdefixArray1D<real> x2gc =
this
->
xgc
[
JDIR
];
IdefixArray1D<real> x3gc =
this
->
xgc
[
KDIR
];
//
X1 direction
idefix_for
(
"
GeometricalCentersX1
"
,
0
,np_tot[
IDIR
],
KOKKOS_LAMBDA
(
int
i) {
#
if
GEOMETRY == CARTESIAN
x1gc
(i) =
x1
(i);
#
elif
GEOMETRY == CYLINDRICAL || GEOMETRY == POLAR
x1gc
(i) =
x1
(i) +
dx1
(i)*
dx1
(i)/(
12.0
*
x1
(i));
#
elif
GEOMETRY == SPHERICAL
x1gc
(i) =
x1
(i) +
2.0
*
x1
(i)*
dx1
(i)*
dx1
(i)
/ (
12.0
*
x1
(i)*
x1
(i) +
dx1
(i)*
dx1
(i));
rt
(i) = (
x1p
(i)*
x1p
(i)*
x1p
(i) -
x1m
(i)*
x1m
(i)*
x1m
(i))
/ (
x1p
(i)*
x1p
(i)-
x1m
(i)*
x1m
(i)) /
1.5
;
#
endif
}
);
//
X2
idefix_for
(
"
GeometricalCentersX2
"
,
0
,np_tot[
JDIR
],
KOKKOS_LAMBDA
(
int
j) {
#
if
GEOMETRY != SPHERICAL
x2gc
(j) =
x2
(j);
#
else
real xL =
x2m
(j);
real xR =
x2p
(j);
x2gc
(j) = (
sin
(xR) -
sin
(xL)+ xL*
cos
(xL) - xR*
cos
(xR)) / (
cos
(xL)-
cos
(xR));
sinx2m
(j) =
sin
(xL);
tanx2m
(j) =
tan
(xL);
sinx2
(j) =
sin
(
x2
(j));
tanx2
(j) =
tan
(
x2
(j));
dmu
(j) =
FABS
(
cos
(xL)-
cos
(xR));
#
endif
}
);
//
X3
idefix_for
(
"
GeometricalCentersX3
"
,
0
,np_tot[
KDIR
],
KOKKOS_LAMBDA
(
int
k) {
x3gc
(k) =
x3
(k);
}
);
//
Compute Areas
IdefixArray3D<real> Ax1 =
this
->
A
[
IDIR
];
IdefixArray3D<real> Ax2 =
this
->
A
[
JDIR
];
IdefixArray3D<real> Ax3 =
this
->
A
[
KDIR
];
//
X1 direction
int
end =
this
->
np_tot
[
IDIR
];
idefix_for
(
"
AreaX1
"
,
0
,
this
->
np_tot
[
KDIR
],
0
,
this
->
np_tot
[
JDIR
],
0
,
this
->
np_tot
[
IDIR
]+
IOFFSET
,
KOKKOS_LAMBDA
(
int
k,
int
j,
int
i) {
#
if
GEOMETRY == CARTESIAN
Ax1
(k,j,i) =
D_EXPAND
(
1.0
, *
dx2
(j), *
dx3
(k));
//
= dy*dz
#
elif
GEOMETRY == CYLINDRICAL
if
(i == end) {
Ax1
(k,j,i) =
D_EXPAND
(
FABS
(
x1p
(i-
1
)), *
dx2
(j), *
ONE_F
);
}
else
{
Ax1
(k,j,i) =
D_EXPAND
(
FABS
(
x1m
(i)), *
dx2
(j), *
ONE_F
);
//
r*dz
}
#
elif
GEOMETRY == POLAR
if
(i == end) {
Ax1
(k,j,i) =
D_EXPAND
(
FABS
(
x1p
(i-
1
)), *
dx2
(j), *
dx3
(k));
}
else
{
Ax1
(k,j,i) =
D_EXPAND
(
FABS
(
x1m
(i)), *
dx2
(j), *
dx3
(k));
//
r*dphi*dz
}
#
elif
GEOMETRY == SPHERICAL
real dmu =
FABS
(
cos
(
x2m
(j)) -
cos
(
x2p
(j)));
if
(i == end) {
Ax1
(k,j,i) =
D_EXPAND
(
x1p
(i-
1
)*
x1p
(i-
1
), *dmu, *
dx3
(k));
}
else
{
Ax1
(k,j,i) =
D_EXPAND
(
x1m
(i)*
x1m
(i), *dmu, *
dx3
(k));
//
r^2*dmu*dphi
}
#
endif
}
);
//
X2 direction
end =
this
->
np_tot
[
JDIR
];
idefix_for
(
"
AreaX2
"
,
0
,
this
->
np_tot
[
KDIR
],
0
,
this
->
np_tot
[
JDIR
]+
JOFFSET
,
0
,
this
->
np_tot
[
IDIR
],
KOKKOS_LAMBDA
(
int
k,
int
j,
int
i) {
#
if
GEOMETRY == CARTESIAN
Ax2
(k,j,i) =
D_EXPAND
(
dx1
(i), *
ONE_F
, *
dx3
(k));
//
= dx*dz
#
elif
GEOMETRY == CYLINDRICAL
Ax2
(k,j,i) =
D_EXPAND
(
FABS
(
x1
(i)), *
dx1
(i), *
ONE_F
);
//
= r*dr
#
elif
GEOMETRY == POLAR
Ax2
(k,j,i) =
D_EXPAND
(
dx1
(i), *
ONE_F
, *
dx3
(k));
//
= dr*dz
#
elif
GEOMETRY == SPHERICAL
if
(j == end) {
Ax2
(k,j,i) =
D_EXPAND
(
x1
(i)*
dx1
(i), *
FABS
(
sin
(
x2p
(j-
1
))), *
dx3
(k));
}
else
{
Ax2
(k,j,i) =
D_EXPAND
(
x1
(i)*
dx1
(i), *
FABS
(
sin
(
x2m
(j))), *
dx3
(k));
//
= r*dr*sin(thp)*dphi
}
#
endif
}
);
//
X3 direction
end =
this
->
np_tot
[
KDIR
];
idefix_for
(
"
AreaX3
"
,
0
,
this
->
np_tot
[
KDIR
]+
KOFFSET
,
0
,
this
->
np_tot
[
JDIR
],
0
,
this
->
np_tot
[
IDIR
],
KOKKOS_LAMBDA
(
int
k,
int
j,
int
i) {
#
if
GEOMETRY == CARTESIAN
Ax3
(k,j,i) =
D_EXPAND
(
dx1
(i), *
dx2
(j), *
ONE_F
);
//
= dx*dy
#
elif
GEOMETRY == CYLINDRICAL
Ax3
(k,j,i) =
ONE_F
;
//
No 3rd direction in cylindrical coords
#
elif
GEOMETRY == POLAR
Ax3
(k,j,i) =
D_EXPAND
(
x1
(i)*
dx1
(i), *
dx2
(j), *
ONE_F
);
//
= r*dr*dphi
#
elif
GEOMETRY == SPHERICAL
Ax3
(k,j,i) =
D_EXPAND
(
x1
(i)*
dx1
(i), *
dx2
(j), *
ONE_F
);
//
= r*dr*dth
#
endif
}
);
idfx::popRegion
();
}
void
DataBlock::ExtractSubdomain
() {
idfx::pushRegion
(
"
DataBlock::ExtractSubdomain
"
);
//
Copy the relevant part of the coordinate system to the datablock
for
(
int
dir =
0
; dir <
3
; dir++) {
int
offset=gbeg[dir]-beg[dir];
IdefixArray1D<real> x_input = mygrid->
x
[dir];
IdefixArray1D<real> x_output= x[dir];
IdefixArray1D<real> xr_input = mygrid->
xr
[dir];
IdefixArray1D<real> xr_output= xr[dir];
IdefixArray1D<real> xl_input = mygrid->
xl
[dir];
IdefixArray1D<real> xl_output= xl[dir];
IdefixArray1D<real> dx_input = mygrid->
dx
[dir];
IdefixArray1D<real> dx_output= dx[dir];
idefix_for
(
"
coordinates
"
,
0
,np_tot[dir],
KOKKOS_LAMBDA
(
int
i) {
x_output
(i) =
x_input
(i+offset);
xr_output
(i) =
xr_input
(i+offset);
xl_output
(i) =
xl_input
(i+offset);
dx_output
(i) =
dx_input
(i+offset);
}
);
}
idfx::popRegion
();
}
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