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https://github.com/wassname/simpeg.git
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GudniRos
46 lines
1.2 KiB
Python
46 lines
1.2 KiB
Python
import unittest
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from SimPEG import *
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from SimPEG import NSEM
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TOL = 1e-6
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def appResNorm(sigmaHalf):
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nFreq = 26
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m1d = Mesh.TensorMesh([[(100,5,1.5),(100.,10),(100,5,1.5)]], x0=['C'])
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sigma = np.zeros(m1d.nC) + sigmaHalf
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sigma[m1d.gridCC[:]>200] = 1e-8
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# Calculate the analytic fields
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freqs = np.logspace(4,-4,nFreq)
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Z = []
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for freq in freqs:
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Ed, Eu, Hd, Hu = NSEM.Utils.getEHfields(m1d,sigma,freq,np.array([200]))
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Z.append((Ed + Eu)/(Hd + Hu))
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Zarr = np.concatenate(Z)
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app_r, app_p = NSEM.Utils.appResPhs(freqs,Zarr)
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return np.linalg.norm(np.abs(app_r - np.ones(nFreq)/sigmaHalf)) / np.log10(sigmaHalf)
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class TestAnalytics(unittest.TestCase):
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def setUp(self):
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pass
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def test_appRes2en1(self):self.assertLess(appResNorm(2e-1), TOL)
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def test_appRes2en2(self):self.assertLess(appResNorm(2e-2), TOL)
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def test_appRes2en3(self):self.assertLess(appResNorm(2e-3), TOL)
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def test_appRes2en4(self):self.assertLess(appResNorm(2e-4), TOL)
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def test_appRes2en5(self):self.assertLess(appResNorm(2e-5), TOL)
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def test_appRes2en6(self):self.assertLess(appResNorm(2e-6), TOL)
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if __name__ == '__main__':
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unittest.main()
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