Механика очага землятресения. Спецкурс. Воронина Е.В. - 20 стр.

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18
()
()
=
=
≤τ ≠ξ. (4.9)
t
()
−τ
()( )
()
ξτ = τξ = τξ
ξ p
n-
0
10
- S-
18

                           * ( [ W ) = 
                               &


                           ∂* ( [  W )
                                 &
                                           ijb W ≤ τ [ ≠ ξ .                               (4.9)
                                        =
                               ∂W
     =jZgbqgu_ mkeh\by aZ\bkyl g_ hl t Z hl jZaghklb (W − τ)  Ijb wlhf
nmgdpby =jbgZ
                 * ( [ W  ξ τ ) = * ( [ W − τ ξ  ) = * ( [ −τ ξ −  U )
\ujZ`Z_l khhlghr_gb_ \aZbfghklb ^ey bklhqgbdZ b ijb_fgbdZ Hgh k\b
^_l_evkl\m_l h lhf qlh nmgdpby =jbgZ g_ baf_gblky _keb bklhqgbd b          

ijb_fgbd ihf_gylv f_klZfb            

      ?keb ; — Zfieblm^Z kbeu \ lhqd_ ξ k gZijZ\e_gb_f p b ijhba
             


\hevguf baf_g_gb_f \h \j_f_gb lh k\_jldZ ; ∗ *QS ij_^klZ\ey_l kh[hc
                                                                


n-x dhfihg_glm kf_s_gbc h[mkeh\e_ggmx i_j_f_gghc lhq_qghc kbehc
; 0 jbk 
      IjZdlbq_kdh_ \uqbke_gb_ nmgdpbb =jbgZ ^bgZfbq_kdhc l_hjbb mi
jm]hklb \klj_qZ_l [hevrb_ ljm^ghklb H^gZdh bf_ggh hgZ iha\hey_l
ij_^klZ\blv kf_s_gb_ \ g_dhlhjhc lhqd_ ijhkljZgkl\Z \ \b^_ kmffu kbe
^_ckl\mxsbo \gmljb g_dhlhjh]h h[t_fZ




                                                                    Jbk 10 KjZ\g_gb_ nhjfu dh
                                                                    e_[Zgbc \ ^Zevg_c Z b [eb`
                                                                    g_c [ ahgZo ^ey kemqZy nmgd
                                                                    pbb =jbgZ \ \b^_ _^bgbqghc
                                                                    nmgdpbb O_\bkZc^Z < [eb`
                                                                    g_c ahg_ f_`^m fhf_glZfb
                                                                    \klmie_gby J- b S-\heg kf_s_
                                                                    gb_ jZkl_l ih iZjZ[he_ Z kdh
                                                                    jhklv qZklbp l_jibl jZaju\ \
                                                                    fhf_glu \klmie_gby \heg