REPORT 6
September 1997

Contents

• Consortium World Wide Web server
• Members of consortium "Seismic waves in complex 3-D structures"
• Acknowledgements
• The research program on seismic waves in complex 3-D structures HTML, PS

Seismic models and inversion techniques:

• L. Klimes: Accuracy and resolution of the travel-time tomography GIF150, PS
• L. Klimes: Correlation functions of random media GIF150, PS
• L. Klimes: Resolution of prestack seismic migration GIF150, PS

Ray methods:

• P. Bulant: Recent development of the shooting algorithm GIF150, PS
• P. Bulant: 3-D two-point ray tracing in pictures GIF150, PS
• P. Bulant: Calculation of multivalued ray-theory travel times at nodes of 3-D grids GIF150, PS
• J. Brokesova & V. Cerveny: Reference reflection/transmission coefficients in dissipative media
• V. Cerveny: Initial ray-theory amplitudes at smooth initial surfaces and lines. Acoustic and elastic Kirchhoff integrals
• L. Klimes: Calculation of the third and higher travel-time derivatives in isotropic and anisotropic media GIF150, PS

Ray methods in anisotropic media:

• L. Klimes: Phase shift of the Green function due to caustics in anisotropic media GIF150, PS
• I. Psencik: Fermat's principle in inhomogeneous anisotropic media PS
• I. Psencik: Package ANRAY, version 4.01 PS

Weak anisotropy:

• I. Psencik & D. Gajewski: Polarization, phase velocity and NMO velocity of qP waves in arbitrary weakly anisotropic media PS
• V. Vavrycuk & I. Psencik: PP wave reflection coefficients in weakly anisotropic elastic media
• I. Psencik & V. Vavrycuk: Weak contrast PP wave displacement R/T coefficients in weakly anisotropic elastic media
• I. Psencik: Green functions for inhomogeneous weakly anisotropic media PS

Finite differences:

• J. Zahradnik & V. Bucha: Masking effects of subsurface layers on shallow reflecting horizons
• I. Oprsal & J. Zahradnik: Robust finite-difference modelling of complex structures
• I. Oprsal & J. Zahradnik: Elastic finite-difference scheme on irregular grids
• M. Pakzad, & J. Zahradnik: First tests of the hybrid combination between the ray and finite-difference methods PDF300
• J. Brokesova, V. Bucha & J. Zahradnik: Ray and finite difference wave field simulations for shallow structures

CD-ROM:

• L. Klimes (ed.): SW3D-CD-1

SW3D