Rigid Body Sampling and Individual Time Stepping for Rigid-Fluid Coupling of Fluid Simulation

Table 3

The setting and statistics of fluid-rigid coupling.

Item	Cubes fall into water	Water shock sculpture
Simulation domain size
Fluid particles	320 k	873 K
Boundary particles	47 K	156 K
Smoothing kernel function	Cubic splines	Cubic splines
Smoothing radius	0.05	0.1
Artificial viscosity coefficient	0.05	0.05
Surface tension coefficient	0	0
Rigid body mass	65 kg	1100 kg
Rigid body volume	0.125	18.4 ()
Fluid rest density	1000 kg⋅m^−3	1000 kg⋅m^−3
SPH computing time (1 frame)	0.9008 min	8.46 min
Surface reconstruction time (1 frame)	74.0 s	261 s
Rendering time (1 frame)	13.85 min	8.86 min