Механика очага землятресения. Спецкурс. Воронина Е.В. - 13 стр.

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11
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                                                                                 11

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guo wdki_jbf_glZo \ h[jZapZo ]hjguo ihjh^ jZaf_ju qZklbp ihjy^dZ g_
kdhevdbo kZglbf_ljh\ LZdbf h[jZahf fZl_jbZe A_feb ^ey gZ[ex^_gbc
jZaguo fZkrlZ[h\ jZaebq_g Kj_^Z d dhlhjhc ijbmjhq_gu kbevgu_ a_f
e_ljyk_gby hlebqZ_lky hl lhc \ dhlhjhc bf_xl f_klh keZ[u_ kh[ulby
:gZeba y\e_gby ^he`_g hkms_kl\eylvky
k mq_lhf fZkrlZ[gh]h nZdlhjZ
      >\b`_gb_ kiehrghc kj_^u hibku
\Z_lky ihe_f \_dlhjZ kf_s_gbc l_gahjZ
^_nhjfZpbb b ihe_f l_gahjZ gZijy`_
gbc
      Kf_s_gb_ hij_^_ey_lky dZd baf_
g_gb_ iheh`_gby qZklbpu kj_^u \ ijh
kljZgkl\_ jbk 
      <& ij_^\Zjbl_evgh   g_gZijy`_gghc
kj_^_ \ = [ + X  ]^_ X — ih^\b`dZ ih
           &  &       &
                                               Jbk D hij_^_e_gbx ih^
                                                                               
                                               \b`db ih jZaju\m
jZaju\m
      JZaju\ kiehrghklb kj_^u oZjZd
l_jbam_lky ihfbfh ih^\b`db ih jZaju
\m ^\mfy ©[_j_]Zfbª jZaju\Z Σ+ b Σ− ,
\_dlhjhf   ghjfZeb d ih\_joghklb jZaju
\Z ν, H[eZklvx \ha[m`^_gby h]jZgb
    &

q_gghc ih\_joghklvx
                &
                        S0 b h[t_fhf V
 jbk   ?keb ξ — l_dmsZy dhhj^bgZlZ
gZ jZaju\_ lh ih^\b`dZ ih jZaju\m
ij_^klZ\ey_lky \ \b^_
       X (ξ, W ) = X + (ξ, W ) − X − (ξ, W ) ,
        & &        &    &        &    &
                                                 (3.1)

]^_ gZijZ\e_gb_ kf_s_gby hl Σ− d                          Jbk H[eZklv hqZ]Z a_fe_
                                                                               
                                                          ljyk_gby b jZaju\Z kiehrgh
                                                                                  

Σ ih ghjfZeb d jZaju\m Ih^\b`dm
   +                                                      klb kj_^u
fh`gh \ujZablv q_j_a ijbjZs_gb_                 kf_
s_gby ih ghjfZeb d jZaju\m Q (ξ ) dZd      & &


X& (ξ W ) = Q& (ξ ) ∆X& (ξ W )  Ijbq_f Q& — gZijZ\e_gb_ \kiZju\Zgby < h[s_f
     &           &        &


\b^_ ^ey lZg]_gpbZevgh]h k^\b]Z — Q& ⊥ ν& ⊥ X&  Mkeh\b_ lZg]_gpbZevgh]h
k^\b]Z g_ \k_]^Z bf__l f_klh ijb a_fe_ljyk_gbyo gh ^ey [hevrbgkl\Z
a_fe_ljyk_gbc \[ebab ih\_joghklb A_feb hgh kh[ex^Z_lky