DCWidget_Overburden_2_5D.py 文件源码

def getSensitivity(survey, A, B, M, N, model):

    if(survey == "Dipole-Dipole"):
        rx = DC.Rx.Dipole_ky(np.r_[M, 0.], np.r_[N, 0.])
        src = DC.Src.Dipole([rx], np.r_[A, 0.], np.r_[B, 0.])
    elif(survey == "Pole-Dipole"):
        rx = DC.Rx.Dipole_ky(np.r_[M, 0.], np.r_[N, 0.])
        src = DC.Src.Pole([rx], np.r_[A, 0.])
    elif(survey == "Dipole-Pole"):
        rx = DC.Rx.Pole_ky(np.r_[M, 0.])
        src = DC.Src.Dipole([rx], np.r_[A, 0.], np.r_[B, 0.])
    elif(survey == "Pole-Pole"):
        rx = DC.Rx.Pole_ky(np.r_[M, 0.])
        src = DC.Src.Pole([rx], np.r_[A, 0.])

    survey = DC.Survey_ky([src])
    problem = DC.Problem2D_CC(mesh, sigmaMap=mapping)
    problem.Solver = SolverLU
    problem.pair(survey)
    fieldObj = problem.fields(model)

    J = problem.Jtvec(model, np.array([1.]), f=fieldObj)

    return J