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the ratio of shear stress to normal stress can locally far exceed the static-friction coefficient without precipitating slip£¬ÆäÖÐprecipitating slipÊÇʲôÒâ˼£¿
These results indicate the key role of nonuniformity to frictional stability and dynamics with implications for the prediction, selection, and arrest of different modes of earthquakes. £¬ÆäÖеÄarrestÔõô·­Ò룿
as a result of differential Poisson expansion frustrated at the interface.£¬ÆäÖеÄPoisson expansion frustratedÍêÈ«²»¶®°¡£¿
If we consider only fronts traversing locations far from the system¡¯s loading points or free edges, the data collapse onto a rough curve whose form indicates three distinct regimes of rupture dynamics£¬ÕâÀïµÄcollapseºÍroughÊÇʲôÒâ˼£¿
Laboratory experiments reveal three distinct modes of rupture: (i) slow ruptures, which propagate far below material wave speeds (5¨C8), (ii) ¡°sub-Rayleigh¡± ruptures (5, 6, 9¨C12) that propagate up to the Rayleigh wave speed, and (iii) ¡°supershear¡± rupture modes that surpass the shear wave speed CS (5, 10, 12).£¬ÆäÖеÄsub-rayleighºÍsupershearÔõô·­Ò룿

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xuliqing(½ð±Ò+10, ·­ÒëEPI+1): 2010-12-20 15:09:09
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as a result of differential Poisson expansion frustrated at the interface ÓÉÓÚ½çÃæ²»Í¬²´ËÉÅòÕ͵Äʧ°Ü »òÕßµØ±íÆÆÁѲúÉúµÄ²»¾ùÔȲ´ËÉÅòÕÍ
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