An analytic technique for the solutions of nonlinear oscillators with damping using the Abel Equation

Using the Chiellini condition for integrability we derive explicit solutions for a generalized system of Riccati equations $\ddot{x}+αx^{2n+1}\dot{x}+x^{4n+3}=0$ by reduction to the first-order Abel equation assuming the parameter $α\ge 2\sqrt{2(n+1)}$. The technique, which was proposed by Harko \textit{et al}, involves use of an auxiliary system of first-order differential equations sharing a common solution with the Abel equation. In the process analytical proofs of some of the conjectures made earlier on the basis of numerical investigations in \cite{SJKB} is provided.

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