Package DATA version 5.70

Contents:
Model with a lenticular inclusion (LEN)
Preliminary Reference Earth Model (PREM)
Model with homogeneous layers (ELF1, MI)
Salt dome models (SD1 and SD2)
Model with interface slitted by a curved vertical fault (SLIT)
Western Bohemia a priori model (WB2)
Model of real geological structure (L7)
Gridded 2-D Marmousi model (MAR)
Unconformity 2-D model (U2D)
1-D model (RM)
Weakly anisotropic model (QI)
Sample synthetic 3-D model (98)
1-D anisotropic "twisted crystal" model (TC)
Simple smooth 3-D model (N2)
2-D representation of the Laguerr random medium (RAN)
2-D model with a salt body (HES)
1-D constant velocity gradient model (VGR)
SEG/EAGE Salt Model (SAL)
2-D model Pluto 1.5 (PLU)
Computation of R/T coefficients

P-wave velocity sections Model with a lenticular inclusion (LEN)
3-D model with a lenticular inclusion is a synthetic demo model for SW3D package MODEL.
VRML and GOCAD representations and snapshots of the model
Examples with history files:
Brief description of data files for packages FORMS, MODEL, CRT, NET
Related papers



Section across the model PREM, displaying the velocities Preliminary Reference Earth Model (PREM)
3-D B-spline approximation of the model PREM (Dziewonski and Anderson 1981), specified in geographical spherical coordinates.
Examples with history files:
Guide to the input data for the complete ray tracing program.
Data files for packages FORMS, MODEL, CRT



Sections coloured according to indices of complex blocks Model with homogeneous layers (ELF1, MI)
3-D model with four homogeneous layers separated by dipping plane interfaces.
VRML and GOCAD representations and snapshots of the model
Examples with history files and perl scripts:
Data files for packages FORMS, MODEL, CRT
Related papers



P-wave velocity sections Salt dome model (SD1) and dislocated salt dome model (SD2)
Sample 3-D synthetic models of a salt dome.
VRML and GOCAD representations and snapshots of the model
Examples with history files:
Data files for packages FORMS, MODEL
Related papers



Interface Model with interface slitted by a curved vertical fault (SLIT)
Image of the model
Data files for packages FORMS, MODEL
Related papers



P-wave velocity sections Western Bohemia a priori model (WB2)
3-D Western Bohemia a priori model prepared as a test model resembling the conditions of refraction seismic measurements performed in Western Bohemia.
VRML and GOCAD representations and snapshots of the model
Examples with history files:
Data files for packages FORMS, MODEL
Related papers



Interfaces coloured according to indices of surfaces Model of real geological structure (L7)
3-D model of real geological structure provided by Institut Francais du Petrole. Present version contains only two of seven structural interfaces.
VRML and GOCAD representations and snapshots of the model
Examples with history files:
Data files for packages FORMS, MODEL
Related papers



P-wave velocity section Gridded 2-D Marmousi model and INRIA bench-mark versions of the 2-D Marmousi model (MAR)
2-D Marmousi model is based on real geological structure (Versteeg & Grau 1991).
Examples with history files:
Data files for packages FORMS, MODEL, CRT
Related papers



Model Unconformity Unconformity 2-D model (U2D)
Unconformity 2-D model by Cormier and Mellen (1984).
Examples with history files:
Data files for packages FORMS, MODEL, CRT, FD
Related papers



1-D model (RM)
1-D model RM consists of a thin homogeneous low-velocity layer covering homogeneous halfspace.
Examples with history files:
Data files for packages FORMS, MODEL, CRT, RM, FD
Related papers



Weakly anisotropic model (QI)
Weakly anisotropic model QI for comparison of synthetic seismograms with package ANRAY.
Examples with history files:
Data files for packages FORMS, MODEL, CRT
Related papers



P-wave velocity sections Sample synthetic 3-D model (98)
Sample synthetic 3-D model created during the technical session of the SW3D consortium meeting in June 1998. The model is composed of three layers separated by two interfaces. A salt body in the middle layer is bounded by a spherical interface.
VRML and GOCAD representations and snapshots of the model
Examples with history files:
Data files for packages FORMS, MODEL, CRT
Related papers



Twisted crystal model 1-D anisotropic "twisted crystal" model (TC)
1-D anisotropic "simplified twisted crystal" and "oblique twisted crystal" models.
Examples with history files:
Data files: one-purpose Fortran codes, data for packages FORMS, MODEL, CRT and for the one-purpose codes
Description of files related to the finite-difference solution
Related papers



Simple smooth 3-D model (N2)
Simple smooth 3-D model to demonstrate network ray tracing in the paper by Klimes and Kvasnicka (1994).
Examples with history files:
Brief description of data files for packages MODEL, NET



2-D representation of the Laguerr random medium (RAN)
Examples with history files:
Data files for packages FORMS, NET
Related papers



P-wave velocity section 2-D model with a salt body (HES)
2-D model of real geological structure with a salt body by Scott Morton of the Amerada Hess Corporation.
Examples with history files:
Data files for packages FORMS, MODEL, CRT
Related papers



1-D constant velocity gradient model (VGR)
1-D constant velocity gradient model by Pascal Podvin (Podvin and Lecomte 1991).
Examples with history files:
Brief description of data files for packages FORMS, CRT, NET
Related papers



Interfaces coloured according to indices of surfaces SEG/EAGE Salt Model (SAL)
3-D SEG/EAGE Salt Model with features similar to those of the U.S. Gulf of Mexico salt structure (Aminzadeh et al. 1997).
VRML and GOCAD representations and snapshots of the model smoothed for ray tracing
Examples with history files:
Data files for packages FORMS, MODEL, CRT



P-wave velocity section 2-D model Pluto 1.5 (PLU)
2-D model Pluto 1.5 of real geological structure with a salt bodies created by Smaart Joint Venture.
Examples with history files:
Data files for packages FORMS, MODEL, CRT



Computation of R/T coefficients
Examples with history files:
Data files for package FORMS
Related papers


List of error messages

References