??

1
1923?????????????????
???? (???????)
?????????????????????
?????3??FDM????????,?????
1. Sato, Graves, and Somerville (1999), - 0.25Hz
2. ???????? (2002), - 0.5Hz
?? ???, ????, ?????
2
3????????????
???????
204 km
Multigrid PSM/FDM Hybrid Simulation
Furumura (2002)
204 km
3D?????
SGI LX3000 Earth Simulator
???? 200m/400m 50m/100m
??S??? 500m/s 500m/s
80 km
????? 1 Hz 4 Hz
????? 24GByte 1.5TByte
204 km
???? 20 hours 2 hours
(32CPU) (5120CPU)
204 km
3
3?????????
????????
????(2002)

??????????
Ishida (1992)
??(1999)
???
??
????
??????

??????????
?????
Wald and Somerville (1995)
4
1923?????????????????
?? ?????
?? ????(???)
5
??????????????
????????(????)
??(??)
flt 1Hz
a
a
????(2001)???
50km
Velocity
a-
-a
6
??????????????????(1)
??1.???????????
????? (Vslt500m/s)??
????????
???????????
???(gt3000m)????
PS???
Receiver??
Love??????
???
????????
7
??????????????????(2)
??2.????????
(a) ?????????
?????? ????????
????? (D2.5) ?
????(von Karman?, aL/3)?
(c1) Stress Drop
(b) ???????????
(c2) Rise Time
Dynamic Simulation
(c3) Rupture Time
?? (????) Dynamic Simulation
Guatteri, Mai, Beroza and Boatwrithg
(2001)
8
(No Transcript)
9
(a) Model 1
(b) Model 2
(c) Model 3
1923?????
1703?????
??