Monopole test from .fseries geometry
===================================
File: C:\workspace\projects\SSTcore\sstcore\resources\knotplot\knot_7.3\knot_7.3.fseries
Header L: None
Harmonics: 100
Curve samples: 4000
Approx reconstructed length: 1.435778065958e+02

Geometry scales
---------------
bbox_diag: 3.066785138545e+01
rms_radius: 8.115326197084e+00
max_radius: 1.280496796672e+01

Grid / coarse-graining
----------------------
grid_n: 96
dx, dy, dz: 4.005458742649e-01, 4.005458742649e-01, 4.005458742649e-01
dV: 6.426237738428e-02
tube_radius: 8.000000000000e-02
padding_frac: 6.000000000000e-01

Canonical SST constants used
----------------------------
rho_f: 7.000000000000e-07
v_swirl: 1.093845630000e+06
r_c: 1.408970170000e-15

Pure tensor source moments
--------------------------
Q_tensor = -2.872752132309e-09
D_tensor = [ 3.16002735e-08 -2.87275213e-08  1.43637607e-09]
M_tensor =
[[73262962.93467315  5914977.16954863 -5195616.40395546]
 [ 5914977.16954863 83664854.36388433 -2368089.98319441]
 [-5195616.40395546 -2368089.98319441 66817396.08106784]]
Qtf_tensor =
[[-1318774.85853529  5914977.16954863 -5195616.40395546]
 [ 5914977.16954863  9083116.57067589 -2368089.98319441]
 [-5195616.40395546 -2368089.98319441 -7764341.7121406 ]]

Mixed source moments
--------------------
alpha = 1.000000000000e+00
beta = 1.000000000000e+00
Q_mix = 1.118726066898e+08
D_mix = [12566789.55175152 47492837.27658537 -1244288.56557191]
M_mix =
[[ 1.61891595e+09  1.11917318e+09 -4.25185331e+08]
 [ 1.11917318e+09  5.20875971e+09 -6.05426207e+08]
 [-4.25185331e+08 -6.05426207e+08  1.05677307e+09]]
Qtf_mix =
[[-1.00923362e+09  1.11917318e+09 -4.25185331e+08]
 [ 1.11917318e+09  2.58061013e+09 -6.05426207e+08]
 [-4.25185331e+08 -6.05426207e+08 -1.57137651e+09]]

Scalar organized reservoir
--------------------------
Integral rho_org dV = 1.118726066898e+08

Interpretation
--------------
Pure tensor source |Q| = 2.872752e-09
Pure tensor normalized dipole ratio = 4.850185e-01
Pure tensor normalized quadrupole ratio = 6.189930e+12

Mixed source |Q| = 1.118726e+08
Mixed source normalized dipole ratio = 1.432370e-02
Mixed source normalized quadrupole ratio = 3.523827e-02
Scalar organized reservoir ∫rho_org dV = 1.118726e+08

Pure tensor source: monopole is numerically suppressed relative to the scalar organized reservoir.
Mixed source: plausible effective monopole candidate after coarse-graining; dipole/quadrupole contamination is moderate.