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. 2015 May 6;12(106):20150124. doi: 10.1098/rsif.2015.0124

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© 2015 The Author(s) Published by the Royal Society. All rights reserved.

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Figure 9. — The unstable mode of the curvature-controlled model with parameter values in table 3. (a) The mode shape expressed in terms of tangent angle, . (b) The mode shape expressed in terms of displacement The real (solid line) and imaginary (dashed line) part of the mode is shown. The mode corresponds to eigenvalue σ = α + iω: α = 5.49 s⁻¹, ω/2π = 36.3 Hz (unstable). See electronic supplementary material, movie S4 for corresponding animation.

Inline graphic — The unstable mode of the curvature-controlled model with parameter values in table 3. (a) The mode shape expressed in terms of tangent angle, . (b) The mode shape expressed in terms of displacement The real (solid line) and imaginary (dashed line) part of the mode is shown. The mode corresponds to eigenvalue σ = α + iω: α = 5.49 s⁻¹, ω/2π = 36.3 Hz (unstable). See electronic supplementary material, movie S4 for corresponding animation.