Skip to content

ensure shearing box test also analyse B #412

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
glesur merged 2 commits into from
Sep 18, 2026
Merged

ensure shearing box test also analyse B #412

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
45d5e9f
ensure shearing box test also analyse B
glesur Sep 14, 2026
713aaaf
add B field in the validation of the shearing box test. Adjust tolera…
glesur Sep 17, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 6 additions & 5 deletions test/MHD/ShearingBox/analysis.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,8 @@ double Analysis::ShwaveAmplitude(const int field,
const int nx,
const int ny,
const int nz,
const real t)
const real t,
const real phaseShift = 0.0)
/*
* compute the weighted average: int dphi dz rho *infield/int dphi dz rho
*
Expand All @@ -74,7 +75,7 @@ double Analysis::ShwaveAmplitude(const int field,
real z = d->x[KDIR](k);
real wave = sin(2.0*M_PI*( (nx-ny*shear*t)*x
+ ny*y
+ nz*z));
+ nz*z ) + 2*phaseShift*M_PI);
q += wave*d->Vc(field,k,j,i);
}
}
Expand Down Expand Up @@ -159,9 +160,9 @@ void Analysis::PerformAnalysis(DataBlock &data) {
WriteField(ShwaveAmplitude(VX1, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(VX2, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(VX3, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(BX1, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(BX2, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(BX3, 0, 1, 2, data.t) );
WriteField(ShwaveAmplitude(BX1, 0, 1, 2, data.t, -0.25));
WriteField(ShwaveAmplitude(BX2, 0, 1, 2, data.t, -0.25));
WriteField(ShwaveAmplitude(BX3, 0, 1, 2, data.t, -0.25));


if(idfx::prank==0) {
Expand Down
3 changes: 2 additions & 1 deletion test/MHD/ShearingBox/analysis.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,8 @@ class Analysis {
const int,
const int,
const int,
const real);
const real,
const real);
DataBlockHost *d;
Grid *grid;

Expand Down
17 changes: 15 additions & 2 deletions test/MHD/ShearingBox/python/testidefix.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,7 +64,7 @@ def rhs(t, y, Omega, q, B0y, B0z, k0x, k0y, k0z):
args, unknown = parser.parse_known_args()


# initial condition: vr=1, rest is 0, mode initial is nx=0, ny=1, nz=5)
# initial condition: vr=1, rest is 0, mode initial is nx=0, ny=1, nz=2)
y = solve_ivp(
rhs,
[0, 30],
Expand Down Expand Up @@ -103,6 +103,9 @@ def rhs(t, y, Omega, q, B0y, B0z, k0x, k0y, k0z):
(V["vx"] / v0 - y.sol(V["t"])[0, :]) ** 2
+ (V["vy"] / v0 - y.sol(V["t"])[1, :]) ** 2
+ (V["vz"] / v0 - y.sol(V["t"])[2, :]) ** 2
+ (V["bx"] / v0 - y.sol(V["t"])[3, :]) ** 2
+ (V["by"] / v0 - y.sol(V["t"])[4, :]) ** 2
+ (V["bz"] / v0 - y.sol(V["t"])[5, :]) ** 2
)


Expand All @@ -122,6 +125,16 @@ def rhs(t, y, Omega, q, B0y, B0z, k0x, k0y, k0z):
plt.legend()
plt.xlabel("t")

plt.figure(2)
plt.plot(V["t"], V["bx"] / v0, "r-", label=r"$b_{R}$")
plt.plot(V["t"], y.sol(V["t"])[3, :], "r--")
plt.plot(V["t"], V["by"] / v0, "b-", label=r"$b_{\varphi}$")
plt.plot(V["t"], y.sol(V["t"])[4, :], "b--")
plt.plot(V["t"], V["bz"] / v0, "g-", label=r"$b_{z}$")
plt.plot(V["t"], y.sol(V["t"])[5, :], "g--")
plt.legend()
plt.xlabel("t")

# plot error
plt.figure()
plt.semilogy(V["t"], error)
Expand All @@ -134,7 +147,7 @@ def rhs(t, y, Omega, q, B0y, B0z, k0x, k0y, k0z):
err = np.mean(error)
print("Error=", err)

if err < 0.03:
if err < 0.04:
print("SUCCESS")
sys.exit(0)
else:
Expand Down
Loading