Abstract
Bottom friction is an important parameter in tsunami inundation and should be included in the numerical simulations in order to reach reliable results. This study shows that smaller friction leads to larger runup values in the simulations and the runup distance of large amplitude waves is more friction sensitive. The analyses are conducted using FLOW 3D, a three-dimensional numerical model efficient in solving free surface flows, and using three experimental benchmark problems, which are commonly used to validate numerical models in coastal engineering.
Highlights
EXPERIMENTAL BENCHMARK PROBLEM 1 Benchmark problem 1 (BMP 1) investigates the runup of solitary waves on a 1:19.85 sloping beach (Figure 1)
The description of experimental apparatus as well as the experimental data are given in the study of Synolakis (1986) in detail
The results show that bottom friction is very effective on the wave runup height and wave propagation distance on land
Summary
EXPERIMENTAL BENCHMARK PROBLEM 1 Benchmark problem 1 (BMP 1) investigates the runup of solitary waves on a 1:19.85 sloping beach (Figure 1).
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