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Table 3 Solitary wave example

From: A Lagrangian–Eulerian procedure for the coupled solution of the Navier–Stokes and shallow water equations for landslide-generated waves

PFEM domain length

PFEM 2D

PFEM 3D

SW interface position

SW interface position

10 m

20 m

30 m

10 m

20 m

30 m

30 m

− 0.652%

− 0.984%

− 6.37%

0.228%

− 3.0%

− 7.16%

20 m

− 0.635%

− 5.97%

/

− 0.438%

− 5.62%

/

10 m

− 5.21%

/

/

− 5.24%

/

/

  1. Errors of the wave amplitude computed at gauge 3 (x=170 m) with different configurations. Reference solution: coupled solution obtained with the full PFEM domain, as shown in Fig. 8c