Механика очага землятресения. Спецкурс. Воронина Е.В. - 56 стр.

54

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                        ∆σ 
       . =                  ^ey djm]h\h]h jZaju\Z
                
                      
                π   µ 
         ρ > YW — jZ^bmk djm]h\h]h jZaju\Z
         N =  Y  VLQ θ , θ — m]he hl \_jlbdZeb gZ j_]bkljbjmxsmx klZgpbx
              F
ν — kdhjhklv \kiZju\Zgby c — kdhjhklv jZkijhkljZg_gby J- beb S-\heg

[ = Y  W − U   ρ .
            F
       < gZqZevghc klZ^bb jhkl bfimevkZ kf_s_gbc ijhihjpbhgZe_g d\Z^
                
        U 
jZlm   W −           Ki_dlj khhl\_lkl\mxs_c gZqZevghc klZ^bb bfimevkZ \ bk
          F
lhqgbd_ kiZ^Z_l dZd ω− .
      FhegZj hibkZe ijhp_kk aZdjulby lj_sbgu KiZ^ ki_dljZ gZ \ukh
dbo qZklhlZo aZ\bkbl hl lh]h dZdZy nZaZ ij_h[eZ^Z_l \ nhjfbjh\Zgbb jZa
ju\Z nZaZ bgbpbZpbb beb hklZgh\db
      >Zee_g jZkijhkljZgbe ZgZeba dbg_fZlbdb jZaju\h\ gZ kemqZc we
ebilbq_kdhc lj_sbgu dhlhjZy jZajZklZ_lky khojZgyy k\hx nhjfm g_ba
f_gghc JZaju\ jZkkfZljb\Z_lky dZd ijhp_kk aZ\_jr_gb_ dhlhjh]h aZf_^
ey_lky ih f_j_ lh]h dZd lj_sbgZ ijhgbdZ_l eb[h \ h[eZklb k [hevrbf
lj_gb_f eb[h \ h[eZklb k f_gvrbfb l_dlhgbq_kdbfb gZijy`_gbyfb


       E_dpby  
       DBG?F:LBD: KF?S?GBC < ;EB@G?C AHG?
      Ih gZ[ex^_gbyf \ ^Zevg_c ahg_ fu mklZgh\beb qlh kms_kl\m_l
k\yav f_`^m nhjfhc bfimevkZ J- b S-\heg b nmgdpb_c kdZqdZ kf_s_gbc gZ
jZaju\_ H^gZdh \hegu \ ^Zevg_c ahg_ ijhoh^yl [hevrhc imlv b bkiulu
\Zxl jZkk_ygb_ ih]ehs_gb_ bgl_jn_j_gpbx k fgh]hdjZlgh hljZ`_ggufb
nZaZfb b ^jm]b_ keh`gu_ \ebygby dhlhju_ g_h[oh^bfh k\_klb d fbgbfm
fm ijb bamq_gbb ijhp_kkh\ \ hqZ]_
      < b^_Ze_ ohl_ehkv [u hij_^_eblv nmgdpbx kdZqdZ kf_s_gbc X (ξ W )     

\ jZaebqguo lhqdZo ξ gZ iehkdhklb jZaju\Z Gh wlh k^_eZlv g_ m^Z_lky Lh
]^Z aZ^ZqZ klZ\blky ke_^mxsbf h[jZahf mklZgh\blv k\yav f_`^m kf_s_
gbyfb gZ fZehf jZkklhygbb hl jZaju\Z k ih^\b`dhc ih jZaju\m WlZ k\yav
g_ ijhklZy ihlhfm qlh kf_s_gby \ [eb`g_c ahg_ k_ckfh]jZffZ ij_^
klZ\eyxl kh[hc kmi_jihabpbx \heg ^Zevg_c ahgu b \heg baemqZ_fuo hl