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Figure 3
Imaginary part of the unstable root of the characteristic equation (26) versus . The spectrum lines overlap each other when = 0 (a) for < 1.25, = 2 (b) for < 0.9 and = 10 (c) for < 0.5. |
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Figure 3
Imaginary part of the unstable root of the characteristic equation (26) versus . The spectrum lines overlap each other when = 0 (a) for < 1.25, = 2 (b) for < 0.9 and = 10 (c) for < 0.5. |