Comments (1)
Hi Yangjudiao,
I checked the program according to your parameter, and I am pretty sure that it was caused by the e_inverse function in forward.f90
e_inv(:,:) = (0.d0, 0.d0)
eta = sqrt(1.d0/(beta*beta) - p*p)
xi = sqrt(1.d0/(alpha*alpha) - p*p)
bp = 1.d0 - 2.d0*beta*beta*p*p
If the p is too large, the 1.d0/(beta*beta) - p*p
will become a negative number.
You could check the Aki & Richards, pp. 158, Eq. (5.65), or just the hint by Akuhara Aki & Richards, pp. 161, Eq. (5.71), maybe just change all those eta and xi to complex number
real(8) :: bp
!real(8) :: eta, xi, bp
complex(8) :: eta, xi
e_inv(:,:) = (0.d0, 0.d0)
eta = sqrt(cmplx(1.d0/(beta*beta) - p*p, 0))
xi = sqrt(cmplx(1.d0/(alpha*alpha) - p*p, 0))
bp = 1.d0 - 2.d0*beta*beta*p*p
But do we really need to deal with those much larger rayp?
from rf_inv.
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