Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 18, issue 9
Articles | Volume 18, issue 9
https://doi.org/10.5194/nhess-18-2489-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-18-2489-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 9
Research article
 | 
18 Sep 2018
Research article |  | 18 Sep 2018

A comparison of a two-dimensional depth-averaged flow model and a three-dimensional RANS model for predicting tsunami inundation and fluid forces

Xinsheng Qin, Michael Motley, Randall LeVeque, Frank Gonzalez, and Kaspar Mueller

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Short summary
This article presents the comparison of two numerical models that model tsunami inundation that incorporates the built environment of coastal communities. It was found that the 2-D model did not accurately capture the important details of the flow near initial impact due to the transiency and large vertical variation of the flow. The 3-D model was able to capture transient characteristic of the flow, but at a much higher computational cost.
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