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URN etd-0810113-181911
Author Yi-Fan Chen
Author's Email Address No Public.
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Department IAMPUT
Year 2012
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Tsunami Runup Height of Various Initial Waveforms
Using Analytical Green’s Function
Date of Defense 2013-07-24
Page Count 81
Keyword
  • analytical Green’s function
  • runup
  • numerical models
  • tsunami
  • Abstract According to the CWY approach derived by Carrier et al. (2003) based on 1-D fully nonlinear shallow water equations over a uniform constant slope, it can have all possible waveforms for the conditions of various initial waveforms, then determine the highest runup height. The arbitrary water elevation is called analytical Green’s function (AGF) by CWY. It can be developed a fast forecast system for the tsunami elevation beside the inshore coasts of Taiwan based on the analytical Green’s function.
    The different amplitude ratios (A1/A2) can generate the arbitrary waveforms, it is shown that the PG wave (A1/A2 =0) and the M1 wave (A1/A2 =1.2) has the highest runup height and the farest inundation distance comparing with other possible waveforms as A2 is negative. Additionally, the continuous PG wave result is coincident with the single PG wave. Then change the parameter k that mean period of the two waveforms, it is shown that the M1 wave (k1=33, k2=1.69, k1 /k2=19.5266) has the higher runup height then the PG wave. It may be resulted from the overlap of the runup of the two wave. The temporal interval t01 and t02 are fixed at the before mentioned, Then to shortened the temporal interval x01 and x02 , as it equal to 1, has the worsest result. To verify the CWY approach, simulations on Cornell Multigrid Coupled Tsunami (COMCOT) model is also executed and the results agrees well with the CWY results.
    Advisory Committee
  • Chung-Pan Lee - chair
  • Yang-Yih Chen - co-chair
  • Guan-Yu Chen - advisor
  • Files
  • etd-0810113-181911.pdf
  • Indicate in-campus at 1 year and off-campus access at 1 year.
    Date of Submission 2013-09-10

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