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- W2367962024 abstract "The ray tracing method is a sort of approximate calculation method for wave field which has characteristics of rapid and efficient calculation,direct and clear ray path.Based on the principle of ray tracing in microseimic forward,lots of research on ray tracing between two points have been done in this paper.Aiming at horizontal layered uniform motion model,curved layered uniform motion model and complex geological model,the corresponding ray tracing algorithms,such as the dichotomy,the improved dichotomy and micro-variable mesh algorithm,are scientifically designed to improve the computational efficiency and application scope greatly on the premise of original trial ray method.The error range and computational efficiency for each algorithm in this paper has been compared and verified.A proper algorithm is selected for different geological model in order to achieve fast calculation speed and high accuracy simultaneously.,and then forward simulation are carried out for multi-wave field three-component records. The notion of ultra-thin layer has been introduced into this paper during modeling and the refraction wave is taken into consideration for simulation on the premise of existing simulation for direct wave,transmission wave and reflection wave.The multi-wave field information by forward simulation is richer than before. The results of models and application examples in this paper show that the improved dichotomy can achieve ray tracing for curved interface with high accuracy compared with the dichotomy.In the curved layered model,the improved dichotomy possesses higher calculation speed than the micro-variable mesh algorithm and could be applied in inversion." @default.
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- W2367962024 date "2012-01-01" @default.
- W2367962024 modified "2023-09-23" @default.
- W2367962024 title "The Multi-wave Field Forward Simulation of Micro-seismic Based on Ray Tracing" @default.
- W2367962024 hasPublicationYear "2012" @default.
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