Fig. 1. Damage degree of energy conservation, the relative energy flow of the second harmonic, and the relative energy flow of the third harmonic with incident wave energy flow.能量守恒的破坏程度、二次谐波的相对能流和三次谐波的相对能流随入射波能流的变化

Fig. 2. Relation between relative energy of each order of harmonics and incident wave energy.各阶谐波的相对能流随入射波能流的变化

Fig. 3. Relative energy flow of the second harmonic varies with the number of iterations under different incident wave energy flow.入射波能流不同时二阶谐波的相对能流随迭代次数的变化

Fig. 4. Relation of relative energy flow of each order of harmonics with incident wave energy flow under different viscosity. Viscosites for different curves are , , Pa/s, respectively. Arrows indicate the direction of decreasing viscosity. 黏度不同的情况下, 各阶谐波的能流随入射波能流的变化(图中曲线的黏度分别是 , 和 Pa/s, 箭头表示黏度减小的方向)

Fig. 5. Relative energy flow varies with angular frequency under different visco-sity. Viscosites for different curves are and Pa/s, respectively. Arrows indicate the direction of decreasing viscosity. 黏度不同的情况下, 各阶谐波的相对能流随角频率的变化(图中曲线的黏度分别是 和 Pa/s, 箭头表示黏度减小的方向)