Table 2 Stability analysis results of different friction coefficient gradients
μ′ | Real part | Imaginary part |
|---|---|---|
− 0.01 | 0.0000 | ±1.6562i |
0.2144 | ±1.0688i | |
0.0001 | ±0.9246i | |
0.0210 | ±0.7424i | |
0.0329 | ±0.3220i | |
0.0041 | ±0.0983i | |
0.0678 | ±0.0319i | |
0.0038 | ±0.0046i | |
0.0000 | ±0.0000i | |
− 0.005 | 0.0002 | ±0.4772i |
0.0025 | ±0.3864i | |
0.4665 | ±0.32391i | |
0.0747 | ±0.5961i | |
0.3405 | ±0.7428i | |
0.1464 | ±0.1666i | |
0.0047 | ±0.0950i | |
0.1662 | ±0.9247i | |
0.0018 | ±0.0000i | |
0 | 0.0000 | ±1.3572i |
0.0000 | ±1.8790i | |
0.0000 | ±1.4684i | |
0.0000 | ±0.9248i | |
0.0000 | ±0.7433i | |
0.0000 | ±0.4408i | |
0.0000 | ±0.1948i | |
0.0000 | ±0 | |
0.0000 | ±0 | |
0.005 | -0.0012 | ±0.0000i |
-0.0025 | ±0.1971i | |
-0.0001 | ±0.1608i | |
-0.0210 | ±0.1055i | |
-0.0329 | ±0.0742i | |
-0.1464 | ±0.0387i | |
-0.4465 | ±0.0319i | |
0.0000 | ±0.0046i | |
0.0000 | ±0.0000i |