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《Chinese Journal of Geophysics》 1993-04
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THE ABSORBTION OF ARTIFICAL BOUNDARY REFLECTION IN 2-D TRANSVERSELY ISOTROPIC MEDIA WITH FDM-ELASTIC WAVEFIELDS MODELLING

ZHANG ZHONG-JIE(Geophysical institute of Geophysics, Academia Sinica, Beijing 100101)HE QIAO-DENG XU ZHONG-XIN(Changchun University of Earth Science, Changchun 130026)  
In this paper, we studied absorbing boundary conditions in the Ux, Uy and Uz component forward Modelling with FDM (Finite Difference Method), and obtained partial differential equations for Ux, Uy and Uz component to eliminate artifical boundary reflection with absorbing condition, The reletion between reflection coefficients and incidence angle reveals that the ability of absorbing condition is powerful.
【Fund】: 国家自然科学基金
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