What question did this study set out to answer?

To develop and validate a computationally efficient approximate algorithm for two-point seismic ray tracing across laterally heterogeneous velocity models.

June 1, 1987Bulletin of the Seismological Society of America

A fast algorithm for two-point seismic ray tracing

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To develop and validate a computationally efficient approximate algorithm for two-point seismic ray tracing across laterally heterogeneous velocity models.
Iteratively perturbed an initial ray path using a geometric interpretation of ray equations and piecewise travel-time minimization until convergence.
Integrated linear interpolation to compute position-dependent velocity fields without directly solving differential ray equations.
Reconstructed accurate ray paths in full three-dimensional geometry, successfully handling severe lateral velocity variations.
Achieved travel-time calculations within typical observational error margins substantially faster than standard three-dimensional ray-tracing programs.

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Implication

Algorithm evaluation study demonstrates rapid travel-time minimization in heterogeneous velocity models, suggesting enhanced computational efficiency for three-dimensional seismic modeling.

Cite This Study

Um et al. (1987) studied this question.

synapsesocial.com/papers/69dd5af84917c2595e10111b https://doi.org/10.1785/bssa0770030972

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Implication

Algorithm evaluation study demonstrates rapid travel-time minimization in heterogeneous velocity models, suggesting enhanced computational efficiency for three-dimensional seismic modeling.

A fast algorithm for two-point seismic ray tracing

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Implication

Cite This Study

A fast algorithm for two-point seismic ray tracing

Key Points

Discussion

Implication

Cite This Study

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