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Adding fieldline tracing to the magnetosphere_3d_small test #1307

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Adding fieldline tracing to the magnetosphere_3d_small test #1307

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055e0c4
Added fieldtracing stuff to magnetosphere_3d_small test
lassejsc Jun 23, 2026
98c8330
Added the fieldtracing variables to be tested in testpackage
lassejsc Jun 23, 2026
35b3816
Undid the change that was only locally used
lassejsc Jun 23, 2026
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4 changes: 2 additions & 2 deletions testpackage/test_definitions_small.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -235,8 +235,8 @@ variable_components[${index}]="0 0 1 2 0 1 2 0 1 2 0 1 2 0 1 2"
test_name[${index}]="Magnetosphere_3D_small"
comparison_vlsv[${index}]="bulk.0000001.vlsv bulk.0000002.vlsv"
comparison_phiprof[${index}]="phiprof_0.txt"
variable_names[${index}]="proton/vg_rho proton/vg_v proton/vg_v proton/vg_v fg_b fg_b fg_b fg_e fg_e fg_e"
variable_components[${index}]="0 0 1 2 0 1 2 0 1 2"
variable_names[${index}]="proton/vg_rho proton/vg_v proton/vg_v proton/vg_v fg_b fg_b fg_b fg_e fg_e fg_e vg_connection vg_connection_coordinates_fw vg_connection_coordinates_fw vg_connection_coordinates_fw vg_connection_coordinates_bw vg_connection_coordinates_bw vg_connection_coordinates_bw"
variable_components[${index}]="0 0 1 2 0 1 2 0 1 2 0 0 1 2 0 1 2"
((index+=1))

# 24 Ionosphere 3D (not a very physical or successful test at the moment but verifies some things about IG grid and outputs all datareducers)
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15 changes: 15 additions & 0 deletions testpackage/tests/Magnetosphere_3D_small/Magnetosphere_3D_small.cfg
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Expand Up @@ -75,6 +75,10 @@ output = vg_rank
output = vg_f_saved
diagnostic = populations_vg_blocks

output = vg_connection
output = vg_fluxrope


[boundaries]
periodic_x = no
periodic_y = no
Expand Down Expand Up @@ -141,3 +145,14 @@ taperInnerRadius = 70e6

[bailout]
velocity_space_wall_block_margin = 0

[fieldtracing]
fieldLineTracer = ADPT_Euler
fluxrope_max_curvature_radii_to_trace = 12
fluxrope_max_curvature_radii_extent = 10
tracer_max_allowed_error = 1e5
tracer_max_attempts = 100
fullbox_max_incomplete_cells = 0.0005
fluxrope_max_incomplete_cells = 0
tracer_min_dx = 1e5

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