REPORT 7
November 1998

Contents

• Introduction HTML
• Members of consortium "Seismic waves in complex 3-D structures"
• Research programme on seismic waves in complex 3-D structures HTML, PS

Ray methods:

• P. Bulant & L. Klimes: Interpolation of ray-theory travel times within ray cells GIF150, PS
• P. Bulant & L. Klimes: Computations in the model composed during the 1998 consortium meeting GIF150, PS

Reflection-transmission coefficients:

• J. Brokesova & V. Cerveny: Inhomogeneous plane waves in dissipative, isotropic and anisotropic media. Reflection/transmission coefficients PS
• C.J. Thomson: Notes on waves in layered media to accompany program Rmatrix GIF150, PS
• C.J. Thomson: Notes on Rmatrix, a program to find the seismic plane-wave response of a stack of anisotropic layers HTML, PS
• L. Klimes: Comparison of ray-matrix and finite-difference methods in a simple 1-D model GIF150, PS

Weak anisotropy:

• V. Cerveny: Quasi-shear coupling in inhomogeneous weakly anisotropic media. Quasi-isotropic propagator matrices
• P. Bulant & L. Klimes: Coupling ray theory in weakly anisotropic media GIF150, PS
• I. Psencik: Quasi-shear waves in the zero-order approximation of the quasi-isotropic approach. Preliminary results PS
• I. Psencik, J.L. Martins & V. Vavrycuk: Weak contrast PP reflection/transmission coefficients for weakly anisotropic media with an arbitrary background PS
• V. Vavrycuk: Weak-contrast R/T coefficients in weakly anisotropic media: P-wave incidence PS
• I. Psencik & X. Zheng: Determination of weak anisotropy parameters from the qP wave particle motion measurements PS
• V. Vavrycuk: Properties of S waves near a kiss singularity: comparison of exact and ray solutions PS

Wavefield extrapolation:

• C.J. Thomson: The "gap" between seismic ray theory and "full" wavefield extrapolation (PS), (PDF)

Finite differences:

• I. Oprsal & J. Zahradnik: Stable finite-difference modelling of sedimentary basins
• J. Brokesova, J. Zahradnik & P. Paraskevopoulos: Ray and finite-difference modelling of CDP seismic sections for shallow lignite deposits PS(GZIPped)

CD-ROM:

• L. Klimes: Packages FORMS version 5.20, MODEL version 5.20, CRT version 5.20, NET version 3.10, FD version 5.20 and RMATRIX HTML, PS
• I. Psencik: Package ANRAY, version 4.10 HTML, PS
• L. Klimes (ed.): SW3D-CD-2

SW3D