Control nonlinearities 1 Dynamic absorber Dynamic vibration absorber 1 Equations of motion 1 Genetic algorithm 1 Genetic algorithms 1 Geophysics 1 Governing equations 1 Kinetic energy 1 Kinetics 1 Lagrange equation 1 Lagrange multipliers 1 Lagranges equations 1 Multiple scales method 1 Multiple scales methods 1 Non-linear vibrations 1 Nonlinear dynamic absorber 1 Nonlinear equations 1 Nonlinear vibration 1 Parameter estimation 1 Parameter optimization 1 Potential energy 1 Vibration amplitude 1 Vibration systems 1 Vibrations (mechanical) 1