[CIG-SEISMO] exact solution

[Petr Petrov]

Hi ,
I am Peter Petrov , work for LBL and elaborate codes for seismic wave
propagation in Frequency domain.
My student in Berkeley used SW4 and it appears some questions with point
pressure  source solution. I attempt compare analytical exact solution with
numerical from SW4 but there is difference in amplitude.
The exact solution
u=1/(4Pi(lambda+2*mu))*(g/R^2+dg/dt/(RVp))
but sw4 gives another coefficient. What exact solution did  you use in
examples with point source or you defined forces with additional
coefficient?
Thank you
Peter
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