Post on 17-Jul-2020
5332 2015 Research Report of Tsunami Engineering Vol.32 2015 53 60
Vo Cong HOANG
2001 3 11
Tanaka et al.1 , Udo et al.2
Hoang 3
Hoang 4
2011
1
45km 229.1km2
Tanaka et al.5
2.5km
Tanaka et al.6
1
54 32 2015
2
Tanaka et al.5
3
Tanaka et al.6
4
1
y t x
3
2
55
Barrer7 Crank8
Larson et al.9 Larson et al.10
4
Larson et al.9
2
Y0
erfc B
24
L
3
2 3
4
5
6
7
8
9
10
4 5
Ls=L B
2 3
Case 1B=1040m Ls=1310m 5 Case 2
B=120m Ls=1480m 62 3
5
6
6km
1K
11
H Cg
B s
n
DC DB
Hoang 3
320m2/day 340m2/day
K 11 K=0.0311 11 K
=280m2/day
56 32 2015
Hoang 3
7 2 3 Case 1
t=515
3 t=1755
2
2 t Y1=Y0
3
12
212
7x=0m x=L/2
8x=0m 3
t=2000Y1 2t=10 104
x=L/2 3t=2000 Y1
2 t=10 104
Y0
6 Case 2
5 Case 1
7 Case 1
57
8 Case 1
a x=0
b x=L/2
Case 29 10
Ls B 9
10
9 Case 2
58 32 2015
10 Case 2
35
3 5
x=0 t=12 99%
Te
Ls 4
13
5
14
a x=0
b x=L/2
15
16
14 11
T*e L*s
11
59
2 3
12 13x=0m
Y0
2Dean12
13
312
13 Case 2
1 Tanaka, H., Tinh, N. X., Umeda, M., Hirao, R., Pradjoko, E., Mano, A. and Udo, K.: Coastal and estuarine morphology changes induced by the 2011 Great East Japan earthquake tsunami, Coastal Engineering Jour-
nal, Vol.54 (1), 2012. 2 Udo, K., Sugawara, D., Tanaka, H., Imai, K.
and Mano, A.: Impact of the 2011 Tohoku Earthquake and Tsunami on beach morphology along the northern Sendai Coast, Coast-
al Engineering Journal, Vol.54 (1), 2012. 3 Vo Cong Hoang :
sink
B2 Vol. B2 70, pp. I_506 I_510, 2014.
4 Vo Cong HoangNguyen Trung Viet:
B2Vol.B2 70, pp.I_521 I_525, 2014.
5 Tanaka, H., Adityawan, M. B. and Mano, A.: Morphological changes at the Nanakita River mouth after the Great East Japan Tsunami of 2011, Coastal Engineering, Vol.86,
12 Case 1
60 32 2015
pp.14 26, 2014.6 Tanaka, H., Adityawan, M. B., Udo, K. and
Mano, A.: Breaching and tsunami water drainage at old river mouth locations during the 2011 Tsunami, Proceedings of 34th International Conference on Coastal Engineering, 2014.
7 Barrer, R. M.: Diffusion in and through Sol-
ids, Cambridge University Press, 1941.8 Crank, J.: The Mathematics of Diffusion,
Clarendon Press, 1975.9 Larson, M., Hanson, H. and Kraus, N. C.:
Analytical solutions of the one line model of shoreline change, Technical Report CERC-
87-15, U.S. Army Engineer Waterways Ex-
periment Station, 1987.
10 Larson, M., Hanson, H. and Kraus, N. C.: Analytical solutions of one line model for shoreline change near coastal structures, J.
Waterway, Port, Coastal, Ocean Engineer-
ing, Vol.123, No.4, pp.180 191, 1997.11 Muhammad Hasanudin
: 21
pp.55 59, 1996.12 Dean, R.: Beach Nourishment Theory and
Practice , World Scienti c, 420p, 2003.13
178p2005