TY - GEN
T1 - A new tsunami numerical simulation with boussinesq-typed equatons applied for the 1983 nihonkai-chubu earthquake tsunami
AU - Iwase, Hiroyuki
AU - Imamura, Fumihiko
N1 - Funding Information:
The author wish to express his thanks to Dr. Goto, C., Tokai univ., and Dr. Fujima, K., National Defense Academy, for their valuable advices and discussions. This study was partly supported by grand-in-aid for Science Research of the Japan Society for the promotion of Science (No.14080203 and No.15310110).
Publisher Copyright:
© 2004, World Scientific. All rights reserved.
PY - 2004
Y1 - 2004
N2 - A new numerical simulation model with Boussinesq-typed equations for tsunamis is developed to reproduce a dispersive wave observed in the 1983 Nihonkai-Chubu earthquake tsunami. The present model has advantages with the multi regions simulation with nested grid system including runup. The two-step mixed finite difference method is selected as the numerical method because of numerical stability and high-speed calculation. Since the numerical simulation with dispersion effect and without breaking overestimates the value of the run-up, wave breaking model was developed in the model through the comparison with hydraulic experiment. We applied the model to the 1983 Nihonkai-Chubu earthquake tsunami. The tsunami heights on shoreline and inundation regions on land are obtained with numerical stability and we have results more higher and widely than those by the shallow water model.
AB - A new numerical simulation model with Boussinesq-typed equations for tsunamis is developed to reproduce a dispersive wave observed in the 1983 Nihonkai-Chubu earthquake tsunami. The present model has advantages with the multi regions simulation with nested grid system including runup. The two-step mixed finite difference method is selected as the numerical method because of numerical stability and high-speed calculation. Since the numerical simulation with dispersion effect and without breaking overestimates the value of the run-up, wave breaking model was developed in the model through the comparison with hydraulic experiment. We applied the model to the 1983 Nihonkai-Chubu earthquake tsunami. The tsunami heights on shoreline and inundation regions on land are obtained with numerical stability and we have results more higher and widely than those by the shallow water model.
KW - Boussinesq-typed equations
KW - The 1983 Nihonkai-Chubu earthquake tsunami
KW - Tsunami numerical simulation
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U2 - 10.1142/9789812703040_0002
DO - 10.1142/9789812703040_0002
M3 - Conference contribution
AN - SCOPUS:85066743461
SN - 9789812703040
T3 - Asian and Pacific Coasts, 2003 - Proceedings of the 2nd International Conference
BT - Asian and Pacific Coasts, 2003 - Proceedings of the 2nd International Conference
A2 - Goda, Yoshimi
A2 - Nadaolta, Kazuo
A2 - Kiolta, Wataru
PB - [publishername] World Scientific
T2 - 2nd International Conference on Asian and Pacific Coasts, APAC (WITH CD-ROM) 2003
Y2 - 29 February 2004 through 4 March 2004
ER -