sfmpicfftrtm (2.0-git)
index
user/jsun/Mmpicfftrtm.cc
Lowrank decomposition for 3-D isotropic wave propagation.

 
Synopsis
        sfmpicfftrtm verb=false migr=false roll=false dabc=false snap=false mute=false sill=false nb=0 cb=1.0 nbell=1 jsnap=100 jump=1 seed=time(NULL npk=20 eps=1.e-4 media=0 taper=0 thres=1 sou_t0=0. vel_w=1500. revolve_snaps=64 info=0 sht_set=0 sht_num=sht_num_total

 
Parameters
       
 
cb=1.0
abc strength
 
dabc=false
absorbing boundary
 
eps=1.e-4
tolerance/accuracy
 
info=0
verbosity of output info about revolve
 
jsnap=100
snapshot interval
 
jump=1
subsampling rate for lowrank decomposition
 
media=0
media: 0-> iso, 1-> tti
 
migr=false
adjoint(migration) flag
 
mute=false
mute first arrival (modeling or imaging)
 
nb=0
abc width
 
nbell=1
source position z
 
npk=20
maximum rank
 
revolve_snaps=64
maximum num of snapshots allowed to be saved
 
roll=false
rolling v.s. fixed-spread acquisition geometry
 
seed=time(NULL

 
sht_num=sht_num_total
shot number to process
 
sht_set=0
starting shot index
 
sill=false
source illumination for rtm
 
snap=false
output wavefield snapshots
 
sou_t0=0.
source delay
 
taper=0
tapering interval for tti
 
thres=1
tapering threshold for tti
 
vel_w=1500.
water velocity
 
verb=false
verbosity

 
Used In
       

 
TCCS
        onestep/bpttirtm