Table 2 Dam break with an elastic obstacle: analysis conditions for the fluid computation based on the EMPS method

Time step width

\(2.5 \times 10^{-6} [\textrm{s}]\)

Number of particles

20, 000 and 80, 000

Particle spacing

\(1.46 \times 10^{-3}\) and \(7.30 \times 10^{-4}\) \([\textrm{m}]\)

Effective radius

\(3.1 l^0 [\textrm{m}]\)

Density

\(1.0 \times 10^3 [\mathrm {kg/m^3}]\)

Kinetic viscosity

\(1.0 \times 10^{-6} [\mathrm {m^2/s}]\)

Gravitational acceleration

\(10.0 [\mathrm {m/s^2}]\)

Sound speed coefficient

\( 17.1 [\textrm{m}/\textrm{s}]\)

Repulsive coefficient in the ERP model

\(1.0 \times 10^{7} [\textrm{N}/\textrm{m}^3]\)