网页The Duffing equation (or Duffing oscillator), named after Georg Duffing (1861–1944), is a non-linear second-order differential equation used to model certain damped and driven oscillators.
网页The Duffing equation describes the motion of a classical particle in a double well potential. We choose the units of length so that the minima are at x = ± 1, and the units of energy so that the depth of each well is at -1/4. The potential is given by. x2 x4. V HxL = - +. 2 4. Let's plot this: Clear@"Global`*"D. x2. PlotB-x4.
网页2021年11月30日 · In this paper, we solve the Duffing equation for given initial conditions. We introduce the concept of the discriminant for the Duffing equation and we solve it in three cases depending on sign of the discriminant. We also show the way the Duffing equation is applied in soliton theory.
网页The Duffing oscillator is one of the prototype systems of nonlinear dynamics. It first became popular for studying anharmonic oscillations and, later, chaotic nonlinear dynamics in the wake of early studies by the engineer Georg Duffing [1].