mirror of
https://github.com/openmc-dev/openmc.git
synced 2026-07-25 04:25:29 -04:00
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
import numpy as np
|
|
|
|
import openmc
|
|
|
|
|
|
def test_zernike_radial():
|
|
coeff = np.asarray([1.3, -3.0, 9e-1, -6e-1, 0.11])
|
|
zn_rad = openmc.ZernikeRadial(coeff)
|
|
assert zn_rad.order == 8
|
|
assert zn_rad.radius == 1
|
|
|
|
coeff = np.asarray([1.3, -3.0, 9e-1, -6e-1, 0.11, 0.222])
|
|
zn_rad = openmc.ZernikeRadial(coeff, 0.392)
|
|
assert zn_rad.order == 10
|
|
assert zn_rad.radius == 0.392
|
|
norm_vec = (2 * np.arange(6) + 1) / (np.pi * 0.392 ** 2)
|
|
norm_coeff = norm_vec * coeff
|
|
|
|
rho = 0.5
|
|
# Reference solution from running the Fortran implementation
|
|
raw_zn = np.array([
|
|
1.00000000e+00, -5.00000000e-01, -1.25000000e-01,
|
|
4.37500000e-01, -2.89062500e-01, -8.98437500e-02])
|
|
|
|
ref_vals = np.sum(norm_coeff * raw_zn)
|
|
|
|
test_vals = zn_rad(rho)
|
|
|
|
assert ref_vals == test_vals
|
|
|
|
rho = [0.2, 0.5]
|
|
# Reference solution from running the Fortran implementation
|
|
raw_zn1 = np.array([
|
|
1.00000000e+00, -9.20000000e-01, 7.69600000e-01,
|
|
-5.66720000e-01, 3.35219200e-01, -1.01747000e-01])
|
|
raw_zn2 = np.array([
|
|
1.00000000e+00, -5.00000000e-01, -1.25000000e-01,
|
|
4.37500000e-01, -2.89062500e-01, -8.98437500e-02])
|
|
|
|
ref_vals = [np.sum(norm_coeff * raw_zn1), np.sum(norm_coeff * raw_zn2)]
|
|
|
|
test_vals = zn_rad(rho)
|
|
|
|
assert np.allclose(ref_vals, test_vals)
|