Files
simpeg/simpegEM/Analytics/TDEM.py
T
2014-10-08 14:10:27 -07:00

13 lines
328 B
Python

import numpy as np
from scipy.constants import mu_0, pi
from scipy.special import erf
def hzAnalyticDipoleT(r, t, sigma):
theta = np.sqrt((sigma*mu_0)/(4*t))
tr = theta*r
etr = erf(tr)
t1 = (9/(2*tr**2) - 1)*etr
t2 = (1/np.sqrt(pi))*(9/tr + 4*tr)*np.exp(-tr**2)
hz = (t1 - t2)/(4*pi*r**3)
return hz