Diversified viscosity coefficients are considered, i.e., 𝜈=0.1,0.01,0.001ν=0.1,0.01,0.001, and smaller 𝜈ν leads to a more smoothly changing curve. During the computation, the time step size and ME size are set as Δ𝑡=10−4Δt=10−4 and ℎ=1/200h=1/200, respectively....