# History file 'm2d-born.h' computes the 2D Born aproximation # in models M1, M2, M3. # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ # Input files required chk.pl: "data/born/" "m2d-born.dat" chk.pl: "data/born/" "m2d-src.dat" chk.pl: "data/born/" "m2d-rec.dat" # Data for grdborn.for # Grid dimensions for 2D computations in model M1 N1=100 N2=1 N3=400 D1=0.1 D2=0. D3=0.025 ## Grid dimensions for 2D computations in model M2 # N1=343 N2=1 N3=800 # D1=0.043723 D2=0. D3=0.017489 # ## Grid dimensions for 2D computations in model M3 # N1=600 N2=1 N3=3200 # D1=0.033333 D2=0. D3=0.00625 # Perturbations of elastic parameters VPPER='m2d-vpp.out' VSPER='m2d-vsp.out' RHOPER='m2d-rhp.out' # Number of arrivals of the incident wavefield at each grid point NUM='m2d-numu.out' # Travel times of the incident wavefield MTT='m2d-ttu.out' # Slowness vectors of the incident wavefield MP1='m2d-p1u.out' MP2='m2d-p2u.out' MP3='m2d-p3u.out' # The second spatial derivative of the travel times with respect to the # second coordinate MTTXX='m2d-tt2u.out' # Amplitudes of the incident wavefield AUR1='m2d-aur1.out' AUI1='m2d-aui1.out' AUR2='m2d-aur2.out' AUI2='m2d-aui2.out' AUR3='m2d-aur3.out' AUI3='m2d-aui3.out' # Receiver name and the Green functions BORN='m2d-born.dat' # Other input data SRC='m2d-src.dat' REC='m2d-rec.dat' # The output RF file RF='rf-born.out' # Data common with program ss.for # Data describing the filtration of the source time function FMIN=1. FLOW=2. FHIGH=19. FMAX=20. # (cosine filter) # Time step and time interval for the Fast Fourier Transform DT=0.0025 NFFT=8192 # Computation grdborn: # Born approximation