# Механика очага землятресения. Спецкурс. Воронина Е.В. - 15 стр.

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• ## Физика земли

13
-
-
-
-
-
-
:
()
1
2
ε= +
,1,2,3
=
. (3.2)
-
() () ()
0
,,,
ε= +ε.
-
() () ()
σ=σ+τ
, (3.3)
()
,τ
()
ν
:
() ()()
ν
,
ε
.
13 31
.
+−
                                                                                                         13

kf_s_gby \ h[eZklb hqZ]Z k
]em[bghc m[u\Zxl wdkihg_g-
pbZevgh ih^ iehkdhklvx jZa
ju\Z b ebg_cgh — gZ^ g_c
L_gahj ^_nhjfZpbb kj_-
^u kh^_jbl khklZ\eyxsmx
hibku\Zxsmx gZqZevgmx ^_-
nhjfZpbx ^h a_fe_ljyk_gby
b ^_nhjfZpbx ijbh[j_l_g
gmx kj_^hc \ ijhp_kk_ \kiZ-
ju\Zgby \ hqZ]h\hc ahg_ a_f-
e_ljyk_gby L_gahj ^_nhjfZ-
pbb k\yaZgghc k ih^\bdhc \
hqZ]_ ijbgylh kqblZlv fZeuf
H[uqgh _]h ij_^klZ\eyxl \
\b^_ l_gahjZ Dhrb:
εLM =
1
2
(XLM + X ML   )    , =1,2,3 . (3.2)
L M

Iheguc l_gahj ^_nhj-
fZpbb
&               0 &                &                     Jbk  <_jlbdZevgZy khklZ\eyxsZy kf_s_
εLM ( [ , W ) = HLM    ( [ , W ) + εLM ( [ , W ) .             gbc gZ jZaju\_ X13+ ≠ X31 − . Ijb a_fe_ljy
k_gbb kdZq_d kf_s_gbc ihjh^Z_l k_ckfbq_
GZijy_gby gZ jZaju-                                        kdb_ \hegu
\_ \ujZZxlky l_gahjhf
IbheZ–Dbjo]hnnZ

σLM ( [  W ) = σLM       ( [ ) + τLM ( [  W ),
&                  &           &
(3.3)

]^_ τLM ( [&, W ) — l_gahj \gmlj_ggbo gZijy_gbc
L_gahj IbheZ–Dbjo]hnnZ hij_^_e_g lh]^Z dh]^Z kms_kl\mxl \g_r     
gb_ ih hlghr_gbx d jZaju\m kbeu ^_ckl\mxsb_ \ gZijZ\e_gbb ν M ( [ ):
&

)L ( [ W ) = σLM + τLM ( [ W )ν M ( [ ) ,
&                        &           &

Z lZd_ — ^_nhjfZpbb εLM .
`