oscillateur amorti

2005 / [Notes and Discussions] Another look at a damped physical pendulum / John C. Simbach ; Joseph Priest / American Journal of Physics 73 (2005) p. 1079 [doi]
2015 / Geometric reasoning about damped and forced harmonic motion in the complex plane / Hunter G. Close / American Journal of Physics 83 (2015) p. 794 [doi]