共查询到20条相似文献,搜索用时 15 毫秒
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The fracture criticality of crustal rocks 总被引:13,自引:0,他引:13
Stuart Crampin 《Geophysical Journal International》1994,118(2):428-438
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A teleseismic shear-wave splitting study to investigate mantle flow around South America and implications for plate-driving forces 总被引:2,自引:0,他引:2
George Helffrich Douglas A. Wiens Emilio Vera Sergio Barrientos Patrick Shore Stacey Robertson Rodrigo Adaros 《Geophysical Journal International》2002,149(1):F1-F7
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Václav Vavryuk 《Geophysical Journal International》1997,130(3):786-800
An explicit analytical formula for the complete elastodynamic Green tensor for homogeneous unbounded weak transversely isotropic media is presented. The formula was derived by analytical calculations of higher-order approximations of the ray series. The ray series is finite and consists of seven non-zero terms. The formula for the Green tensor is complete and correct for the whole frequency range, thus it describes correctly the wavefield at all distances and at all directions including the shear-wave singularity direction. The Green tensor consists of P, SV and SH far-field waves and four coupling waves. Three of them couple P and SV waves, and the fourth wave couples the SV and SH waves. The P-SV coupling waves behave similarly to the near-field waves in isotropy. However, the SV-SH coupling wave, which is called 'shear-wave coupling', behaves exceptionally and it has no analogy in the Green tensor for isotropy. The formula for the elastostatic Green tensor is also derived. 相似文献
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Complex component analysis of shear-wave splitting: case studies 总被引:1,自引:0,他引:1
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Colin MacBeth 《Geophysical Journal International》1991,107(3):585-595
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A statistical evaluation of a 'stress-forecast' earthquake 总被引:5,自引:0,他引:5