Shock and Vibration / 2016 / Article / Fig 4

Research Article

Analysis of Nonviscous Oscillators Based on the Damping Model Perturbation

Figure 4

Case . Relative error of the integrand function (a). Eigenvalues versus parameter (b and c). Continuous line for exact values and dotted one for Improved Solutions: square tick for Linear (ILS) and bullet for Quadratic (IQS).