Response analysis according to jump avoidance condition: (a1) c1 = 0.1, c3 = 0.0; (b1) c1 = 0.1, c3 = −0.1; (c)c1 = 0.1, c3 = 0.1; (a2) c1 = 0.2, c3 = 0.0; (b2) c1 = 0.2, c3 = −0.1; (c2) c1 = 0.2, c3 = 0.1.