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EX2DDIR / EX2DELEL / EX2DVAEL

Exact 2D Response For VACUUM/ELASTIC Interface, Directional Source (Lamb's Problem), ACOUSTIC/ELASTIC or ELASTIC/ELASTIC Interface, Compressional Source, and VACUUM/ELASTIC Interface, Compressional Source (Garvin's Problem)

Project Description

Authors: Per Berg, Flemming If

This software consists of three sub-packages:

  • EX2DDIR: THIS FORTRAN PROGRAM CALCULATES THE EXACT SEISMIC 2D RESPONSE FROM A VERTICAL DIRECTIONAL POINT SOURCE IN AN ELASTIC HALFSPACE WITH A FREE SURFACE. ALL GREEN'S FUNCTIONS ARE CALCULATED ANALYTICALLY BY CAGNIARD-DE HOOP TECHNIQUE. CONVOLUTIONS WITH A GIVEN SOURCE TIME HISTORY ARE PERFORMED NUMERICALLY. 
  • EX2DELEL: THIS FORTRAN PROGRAM CALCULATES THE EXACT SEISMIC 2D RESPONSE IN AN ELASTIC HALFSPACE WITH A COMPRESSIONAL POINT SOURCE AND AN INTERFACE TO AN ELASTIC HALFSPACE. ALL GREEN'S FUNCTIONS ARE CALCULATED ANALYTICALLY BY CAGNIARD-DE HOOP TECHNIQUE. CONVOLUTIONS WITH A GIVEN SOURCE TIME HISTORY ARE PERFORMED NUMERICALLY.
  • EX2DVAEL: THIS FORTRAN PROGRAM CALCULATES THE EXACT SEISMIC 2D RESPONSE FROM A
    COMPRESSIONAL POINT SOURCE IN AN ELASTIC HALFSPACE WITH A FREE SURFACE. ALL GREEN'S FUNCTIONS ARE CALCULATED ANALYTICALLY BY CAGNIARD-DE HOOP TECHNIQUE. CONVOLUTIONS WITH A GIVEN SOURCE TIME HISTORY ARE PERFORMED NUMERICALLY.

 References:

  • de Hoop, A.T., 1960. A modification of Cagniard's method for solving seismic pulse problems, Appl. Sci. Res., B8, 349-356.
  • Berg, P., If, F., Nielsen, P. and Skovgaard, O., 1994. Analytical reference solutions, in Modeling the earth for oil exploration, ed. Helbig, K., Pergamon Press, 421-427.
Reference with example:
  • Komatitsch, D. and Vilotte, J.P., 1998. The Spectral Element Method: En Efficient Tool to Simulate the Seismic Response of 2D and 3D Geological Structures, Bull. Seis. Soc. Am., Vol. 88, No.2, 368-392.

Current Release
EX2DDIR / EX2DELEL / EX2DVAEL 1.0

Released Jan 01, 1994

Download file Get EX2DDIR / EX2DELEL / EX2DVAEL
bergif.tgz

All Releases

Version Released Description Status
1.0 Jan 01, 1994 More about this release… final