A Hamiltonian approach to asymptotic seismic reflection and diffraction modelling

A. Hanyga; A. B Druzhinin; A. D. Dzhafarov; L. Frøyland

doi:10.1046/j.1365-2478.2001.00253.x

A Hamiltonian approach to asymptotic seismic reflection and diffraction modelling

A. Hanyga, A. B Druzhinin, A. D. Dzhafarov, L. Frøyland

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A model-independent Hamiltonian formulation of paraxial and diffracted ray-tracing equations is presented. It is applied to asymptotic Green's function computations. The medium can have an arbitrary number of interfaces, possibly intersecting at diffracting edges and vertices. Continuously varying model parameters and anisotropy are allowed. The algorithm for elastic waves, involving accuracy control and amplitude computation, is implemented in a platform-independent object-orientated C++ package. Numerical tests and modelling examples are presented.

Original language	English
Pages (from-to)	213-227
Number of pages	15
Journal	Geophysical Prospecting
Volume	49
Issue number	2
DOIs	https://doi.org/10.1046/j.1365-2478.2001.00253.x
Publication status	Published - Mar 2001

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10.1046/j.1365-2478.2001.00253.x

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AB - A model-independent Hamiltonian formulation of paraxial and diffracted ray-tracing equations is presented. It is applied to asymptotic Green's function computations. The medium can have an arbitrary number of interfaces, possibly intersecting at diffracting edges and vertices. Continuously varying model parameters and anisotropy are allowed. The algorithm for elastic waves, involving accuracy control and amplitude computation, is implemented in a platform-independent object-orientated C++ package. Numerical tests and modelling examples are presented.

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EP - 227

JO - Geophysical Prospecting

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A Hamiltonian approach to asymptotic seismic reflection and diffraction modelling

Abstract

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